Objective To compare clinical efficacy of three cervical preparations for surgical evacuation in first trimester missed abortion. Methods Two hundred and ten women with early missed abortion were equally randomized...Objective To compare clinical efficacy of three cervical preparations for surgical evacuation in first trimester missed abortion. Methods Two hundred and ten women with early missed abortion were equally randomized into three groups. Three cervical preparations, Dilapan-dilator method （group A, n= 70）, mifepristone method （group B, n= 70）, and misoprostol method （group C, n= 70）, were used 24 h before curettage for terminating missed abortion, respectively. Clinical outcomes and complications for these three methods were compared. Results No differences were found in rates of successful treatment among the three groups （P〉O.05）. The incidence of fitting number 8 Hegar dilator was slightly high in group A, but it was not different compared with that in group B or group C （P〉0.05）. Bleeding in previous 24 h in group C was significantly greater than that in group A or group B （P〈0.01）. The cases of blood loss （〉50 ml） during evacuation in group B were more than those in group A （P〉0.05）. Women in group B had less abdominal pain than those in group A or group C （P〈0.01）. Side effects in group C were more than those in group A on nausea （P〈0.01）, vomiting （P〈0.05）, and diarrhea （P〈0.01）. Group B had the highest acceptability among the three groups （P〈0.05）. Conclusion Three methods have the similar clinical efficacies in cervical ripening for surgical treatment of early missed abortion. Based on individual characteristics, different approach would be chosen to avoid some adverse events and improve the clinical application of Dilapan-dilator.展开更多
Objective To evaluate possible clinical effects of adiponectin, resistin, 1L-6, and TNF-a in obese and non-obese patients with polycystic ovary syndrome （PCOS）. Methods Seventy selected PCOS patients were recruited ...Objective To evaluate possible clinical effects of adiponectin, resistin, 1L-6, and TNF-a in obese and non-obese patients with polycystic ovary syndrome （PCOS）. Methods Seventy selected PCOS patients were recruited for this study, and were divided into two groups based on their body mass index （BM1）： 35 obese （BM1 25 kg/m2, group A）, 35 non-obese （BMI〈25 kg/me, group B）. In addition, 35 healthy non-obese women （BMI〈25 kg/m2） were enrolled as the control （group C）. Serum levels of FSH, LH, T, glucose, insulin, adiponectin, resistin, 1L-6, TNF-a. were detected, and compared the differences of them among three groups. Results Blood glucose levels among three groups had no difference （P〉0.05）. Blood insulin level was significantly greater in group A than in group B or group C （P〈0.05）, and a significant difference existed between group B and group C （P〈0. 05）. The ratio of glucose/insulin was significantly higher in group A than in group B or group C （P〈0.05）, and the ratio in group B was significantly higher than that in group C （P〈0.05）. Adiponectin level was significantly lower and resistin level was significantly higher in group A than in group B or group C （P〈0.05）. IL-6 level in group C was significantly lower than that in group A or group B （P〈0.05）, and significant difference was found between group A and group B （P〈0.05）. TNF-a level was a slight high in group B, whereas there was no statistical difference among three groups （P〉0.05）. Conclusion Disturbances of some metabolic and inflammatory adipokines could involve the pathogenesis of PCOS in both obese and non-obese women. Low-grade chronic inflammation might have negative effects on the development of PCOS in non- obese women.展开更多
Objective To investigate the expression of survivin gene among human normal endometrium,atypical hyperplasia of endometrium,and endometrial carcinoma.Methods Tissue samples of human normal endometrium during prolifera...Objective To investigate the expression of survivin gene among human normal endometrium,atypical hyperplasia of endometrium,and endometrial carcinoma.Methods Tissue samples of human normal endometrium during proliferative phase （NE,n=20）,atypical hyperplasia of endometrium （AHE,n=11）,and endometrial carcinoma （EC,n=9） were collected.Besides,Paraffin embedded sections of NE （n=20）,AHE （n=20）,and EC （n=20） were used.The expression of survivin gene was determined by immunohistochemistry and the real-time reverse transcription polymerase chain reaction.Results Survivin immunostaining appeared in the cytoplasm of endometrial epithelial cells.Both survivin staining and mRNA had higher levels in AHE or EC than those in NE （P〈0.01）.No difference was found on survivin staining and mRNA between AHE and EC （P〉0.05）.Conclusion High expression of survivin gene in human endometrium is associated with the risk of atypical hyperplasia progressing to endometrial carcinoma.The high level of survivin expression is useful as a predictive indicator for endometrial carcinoma.展开更多
Objective To investigate the role of circulating antisperm antibody （ASA） in the pathogenesis of endometriosis-associated infertility. Methods Serum samples were collected from 75 infertile women with minimal or mil...Objective To investigate the role of circulating antisperm antibody （ASA） in the pathogenesis of endometriosis-associated infertility. Methods Serum samples were collected from 75 infertile women with minimal or mild endometriosis. Indirect immunobead test reporting on the percentage of motile sperm with adherent immunobeads was used to detect the circulating ASA levels. Results No infertile cases enrolled in the present study developed significant ASA level in the serum samples. That is to say, no one could achieve the diagnosis of ASAmediated infertility according to the World Health Organization criteria （50% or more of the motile sperm with immunobead binding）. There were only 5 cases （6.7%） who had 20%-40% of the motile sperm that were found to have adherent particles of ASA- IgG. All the cases were found to be completely absent of ASA-IgA. Conclusion Endometriosis seems to have little impact on the production of circulating ASA. Clearly, ASA is not the key factor implicated in the pathogenesis of endometriosis-associated infertility. The presence of a low titer of ASA in a small proportion of the infertile women with endometriosis may exist by chance and, at least in part, explain the impaired fecundity in those patients.展开更多
Objective To evaluate levels of the circulating antisperm antibody （ASA） in infertile women with polycystic ovary syndrome （PCOS）.Methods Forty-six infertile women with PCOS were enrolled into this study. The seru...Objective To evaluate levels of the circulating antisperm antibody （ASA） in infertile women with polycystic ovary syndrome （PCOS）.Methods Forty-six infertile women with PCOS were enrolled into this study. The serum was screened by the indirect immunobead test for ASA type IgG and IgA according to the WHO laboratory manual.Results Of the 46 patients assessed for ASA-IgG, 3 cases had immunobead binding which were 20%, 27% and 35%, respectively, and the sub-positive rate was 6.5%. No case had the clinical positive level according to the WHO criteria （50% or more of the motile sperm with immunobead binding）. ASA-IgA was not detected in all cases. Conclusion The circulating ASA is not associated with the pathogenesis of infertile women with PCOS.展开更多
Objective To compare clinical efficacy for two cervical preparations for early secondtrimester pregnancy termination at 12-17 weeks gestation. Methods Seventy healthy women aged 18-41 years requesting legal terminatio...Objective To compare clinical efficacy for two cervical preparations for early secondtrimester pregnancy termination at 12-17 weeks gestation. Methods Seventy healthy women aged 18-41 years requesting legal termination of pregnancy at 12-17 weeks of gestation were equally randomized into two groups. Two cervical preparations, the Dilapan-STM combined with mifepristone and misoprostol （DMM） method, and the mifepristone combined with misoprostol （MM） method, were used to end early second-trimester pregnancy for group DMM and group MM, respectively. Clinical outcomes and complications for these two methods were compared. Results No differences were found on rates of successful abortion within 48 h and blood loss after abortion at 2 h between the two groups （P〉0.05）. DMM group had significant shorter induction-to-abortion interval and hospital stay compared with group MM （P〈0.01）. In both DMM and MM groups, side effects including nausea/vomiting, diarrhea, chills and rigors, and fever occurred, and incidences of these side effects were no difference （P〉0.05）. Conclusion DMM method would have similar clinical efficacies with MM method for early second-trimester pregnancy termination. Besides,DMM method has shorter induction-to-abortion interval and hospital stay, which benefits its clinical application.展开更多
Objective To investigate whether hemospermia is involved in the production of antisperm antibodies （ASA）. Methods A total of 40 males with hemospermia were enrolled in this study. These males were divided into 3 gro...Objective To investigate whether hemospermia is involved in the production of antisperm antibodies （ASA）. Methods A total of 40 males with hemospermia were enrolled in this study. These males were divided into 3 groups according to their fertile status： 18 cases were patients who visited the infertility clinic （group A）, 8 had fertility （group B）, and 14 did not know their fertile status （group C）. Semen samples were collected and ASA levels were detected by the direct immunobead test （D-IBT）. Leukocytes in semen were assessed by the peroxi- dase assay. Results None of these males with hemospermia were found to display significant levels of ASA in the 3 groups. The number of cases who had increased levels of leukocytes in the semen samples of groups A, B and C were 15 （83.3%）, 6 （75.0%） and 12 （85.7%）, respectively. Conclusion Hemospermia is not associated with the production of ASA. It is worth noting that the leukocyte levels are increased in semen of males with hemospermia.展开更多
Objective To evaluate levels of the circulating antisperm antibody （ASA） in women with secondary infertility. Methods Eighty-three women defined as secondary infertility were enrolled into this study. Based on their...Objective To evaluate levels of the circulating antisperm antibody （ASA） in women with secondary infertility. Methods Eighty-three women defined as secondary infertility were enrolled into this study. Based on their outcomes of previous pregnancy, these women were divided into two groups： group HC （having at least one child, n=45）, group NC （no child but one to three abortions, n=35）. The serum was screened by the indirect immunobead test for ASA type IgG and IgA according to the WHO laboratory manual. Results Of the 83 patients assessed for ASA-IgG, 14 had immunobead binding rate ranged from 15% to 43%, and the sub-positive rate was 16.9%. Five cases showed ASA-IgA sub-positive, and had binding rate between 10% and 20%. No case had the clinical positive level according to the WHO criteria. No differences were found on ASA-IgG and ASA-IgA between HC and NC groups （P〉0.05）. Conclusion The circulating ASA may be a possible cause to decrease fertility in women with secondary infertility.展开更多
Objective To analyse quantitative changes of testicular peritubular cells in aging mice, and meanwhile investigate age-related changes in both Sertoli cells and germ cells with stereology. Methods Thirty male Kunming ...Objective To analyse quantitative changes of testicular peritubular cells in aging mice, and meanwhile investigate age-related changes in both Sertoli cells and germ cells with stereology. Methods Thirty male Kunming mice were enrolled in this study. The aged mice （n=15） were 18 months old. The young mice （n=15） were 6 months old, as the control. Haematoxylin and eosin staining was used to observe histological changes. Pathological evaluation rules of assignment scores were made to evaluate. Stereology techniques were applied to quantitatively analyse histological structure of the testicular tissues. Results Compared with young group, pathologic assignment scores of aging group were significantly higher （P〈0.05）. Diameter of seminiferous tubules in aging mice was atrophied significantly （P〈0.05）. Germ cell numerical density and Sertoli cell volume density of aging group were reduced significantly compared with young group （P〈0.05）. No significant differences were found in peritubular cell parameters compared with young group （P〉0.05）. Conclusion The pathological assignment scores suggest a succession of changes on the testis with age. The stereological numbers demonstrate damaged Sertoli cells and decreased germ cells, which is indicative of spermatogenic disturbance. However, no significant quantity changes of peritubular cells is observed in aging mice.展开更多
Objective To evaluate effects of rosiglitazone （RSG） on the expression of adiponectin in mature adipocytes at high levels of both testosterone （T） and insulin in vitro culture. Methods Mouse 3T3-L1 preadipocytes w...Objective To evaluate effects of rosiglitazone （RSG） on the expression of adiponectin in mature adipocytes at high levels of both testosterone （T） and insulin in vitro culture. Methods Mouse 3T3-L1 preadipocytes were induced to be mature adipocytes and used in this study. According to RSG concentrations, the cells added with T （10^-5 mol/L） and insulin （10^-4 mol/L） were divided into 4 groups： free-RSG group （0 mol/L RSG, FR-TI）, low-dose group （10^-9 mol/L RSG, LR-TI）, middle-dose group （lO-7mol/L RSG, MR-T1） and high-dose group （10^-6 mol/L RSG, HR-TI）. Besides, the cells added with RSG without T and insulin were also divided into 4 groups： FR, LR, MR, and HR. These 8 groups were incubated for 42 h. Cell viability was determined by MTT assay. Expression of adiponectin was detected by Western blotting. Results The maximum viability in FR-TI group was observed at point of 42 h. The growth of the adipocytes was significantly inhibited in MR-TI group compared with FR-TI （P〈0.01）. The level of adiponectin in MR-TI group was higher than that in LR- TI group （P〈0.01）. However, with RSG increasing; HR-TI group showed the lowest level of adiponectin among three treatment groups （P〈0.01）. In addition, adiponectin expression in MR-TI group was significantly higher than that in MR group （P〈0.01）. Conclusion RSG could increase the expression of adiponectin in 3T3-L1 adipocytes under high levels of both T and insulin, but it acts in a narrow concentration range.展开更多
Objective To investigate expression and localization of Calbindin-d28k (CaBP-d28k) in human ovary. Methods The expression of the CaBP-d28k protein and gene in 23 human ovarian samples was measured by immunohistochemis...Objective To investigate expression and localization of Calbindin-d28k (CaBP-d28k) in human ovary. Methods The expression of the CaBP-d28k protein and gene in 23 human ovarian samples was measured by immunohistochemistry and reverse transcription polymerase chain reaction (RTPCR) methods. Results Positive expression of the CaBP-d28k protein and mRNA was observed in human ovary. The ovarian expression of the CaBP-d28k protein appeared in the cytoplasm of oocytes, granulose cells, theca cells, and two types of cells of corpus luteum. From primordial follicle, primary follicle to secondary follicle, increased CaBP- d28k levels were showed (P〈0. 05), and the CaBP-d28k expression in secondary follicle had the highest level. Conclusion Human ovarian tissue locally expresses CaBP-d28k, and its expression level increases with follicular development.展开更多
Objective To investigate the association between β3 integrin-fibronectin signaling and salpingitis. Methods Thirteen chronically inflamed tubal samples were included in the case group, while 29 normal fallopian tube ...Objective To investigate the association between β3 integrin-fibronectin signaling and salpingitis. Methods Thirteen chronically inflamed tubal samples were included in the case group, while 29 normal fallopian tube samples were set as the controls. Immunohistochemistry was used to determine the distribution patterns and expressions of β3 integrin and fibronectin in the fallopian tube samples. Results β3 integrin was presented in the ciliated cells within the whole length of the normal fallopian tube, but no staining was detected in the tubal epithelium of salpingitis. A similar distribution pattern offibronectin was revealed between the cases and the controls, with exclusive staining in the tubal mucosal matrix and the basement membranes of the tubal epithelium and mucosal vessels, whereas no staining was detected in the tubal epithelial cells. Fibronectin in the samples of salpingitis showed a remarkably stronger-staining than that of the normal controls （P〈0.01）. Conclusion Salpingitis could reduce β3 integrin expression and raise fibronectin expression in the fallopian tube epithelium, concomitantly changed concentrations of β3 integrin and fibronectin seem to have impacts on the onset of salpingitis.展开更多
Objective To evaluate the effects of different sera on the growth of human granulosa cells （GCs） cultured in vitro. Methods GCs were obtained from women who underwent follicular aspirates during in vitro fertilizati...Objective To evaluate the effects of different sera on the growth of human granulosa cells （GCs） cultured in vitro. Methods GCs were obtained from women who underwent follicular aspirates during in vitro fertilization （IVF） program. Five groups were divided according to media supple- mented with different types of sera. Group A, 10% heat-inactivated fetal bovine serum （FBS）; group B, 10% heat-inactivated newborn bovine serum; group C, 10% non heat-inactivated FBS; group D, 10% human serum; group E, bovine serum albumin. Morphological characteristics and viability of GCs measured by trypan blue exclusion assay were evaluated after 24 h of incubation.Results GCs cultured in group A and group B showed multiform morphology compared with other groups. GCs cultured in group D and group E were present with cytoplasmic atrophy and less pseudopodium. Moreover, group A and group B showed a similar level in the viability of GCs （P〉0.05）, which displayed no difference between group D and group E as well （P〉0.05）. Group C had a lower level of viability than group A （P〈0.05） but a higher level than group D （P〈0.01）. Conclusion Heat-inactivated sera can improve the growth of GCs. Different types of sera would have different effects on the growth of GCs cultured in vitro. The pre-culture with different types of sera should be performed to get better efficacy.展开更多
Aberrant sperm protamination is linked to sperm dysmorphology and nuclear chromatin condensation.Yet,its effects on sperm cytoplasmic maturation remain largely unexplored.The relationships of protamines,sperm morpholo...Aberrant sperm protamination is linked to sperm dysmorphology and nuclear chromatin condensation.Yet,its effects on sperm cytoplasmic maturation remain largely unexplored.The relationships of protamines,sperm morphology,DNA damage,and cytoplasmic remodeling were illustrated in this study to provide fresh perspectives on the mechanisms of male infertility.A total of 205 infertile males were allocated into 5 groups according to the percentage of spermatozoa exhibiting abnormal morphology within their samples.Sperm concentration,motility,abnormal sperm morphology,cytoplasmic droplets(CDs),and excess residual cytoplasm(ERC)were analyzed according to the World Health Organization manual(2010).Sperm nuclear vacuoles(NVs)were determined by propidium iodide(PI)staining.Sperm protamine expressions(P1 and P2)were detected by western blot.DNA damage was measured by acridine orange test(AOT)to calculate the proportion of sperm with single-strand DNA breaks(SSBs).Our data showed that sperm concentration and motility in infertile males significantly decreased with the severity of abnormal sperm morphology(both P<0.01).P1 level,P1/P2 ratio,and SSB rate increased with the severity of sperm dysmorphology,whilst the P2 level decreased(all P<O.01).NVs,CDs,and ERC were more common in males with sperm dysmorphology and positively correlated with the SSB rate(all P<O.01).The relationships between the SSB rate and the P1/P2 ratio were also significant(P<0.01).Aberrant protamination may cause sperm dysmorphology and compromise male fertility by impairing sperm's nucleus and cytoplasm maturation,with the P1/P2 ratio potentially serving as a valuable indicator of sperm quality and male fertility.展开更多
Objective To determine the role of the circulating antisperm antibody （ASA） in the pathogenesis of missed abortion at the first-trimester pregnancy. Methods Sixty-two patients with a history of missed abortion at th...Objective To determine the role of the circulating antisperm antibody （ASA） in the pathogenesis of missed abortion at the first-trimester pregnancy. Methods Sixty-two patients with a history of missed abortion at the first-trimester pregnancy were enrolled into this study. Indirect immunobead test （IBT） was used to measure the circulating ASA levels. Fifty healthy women with the first-trimester pregnancy set as the control. Results No case had the positive level of ASA according to the World Health Organization criteria （50% or more of the motile sperm with immunobead binding）. Only 1 case in patient group and 1 case in the control had 10%-20% of the motile spermatozoa with ASA-IgG bead binding. In both patient and control groups, ASA-IgA was found to be completely negative binding. Conclusion The circulating ASA is not associated with the pathogenesis of missed abortions at the first-trimester pregnancy.展开更多
Objective To evaluate the level of antisperm antibody （ASA） in infertile women with chronic salpingtis. Methods Forty-eight infertile women with chronic salpingtis were enrolled into this study. Serum samples were s...Objective To evaluate the level of antisperm antibody （ASA） in infertile women with chronic salpingtis. Methods Forty-eight infertile women with chronic salpingtis were enrolled into this study. Serum samples were screened by the direct immunobead test for ASA type IgG and IgA according to the WHO laboratory manual. About 50% or more of the motile sperm attaching to one or more immunobeads were regarded as clinical positivity according to the WHO criteria. About 20% 50% motile sperm that had adherent particles were deemed to be sub-positive. Results Of the 48 patients with chronic salpingtis assessed for ASA-IgG, 4 had immunobead bindings ranged from 50% to 60%, and the positive rate was 8.3%. In addition, 5 cases had 20%-40% of immunobead bindings, and the sub-positive rate was 10.4%. For ASA-IgA detecting, 2 cases with ASA-IgG positivity also had ASA-IgA immunobead bindings, and the positive rates were 22%, and 28%, respectively. Conclusion The incidence of ASA could be found in infertile women with chronic salpingtis, which suggests that an increased risk for the production of ASA would exist in the inflammatory status o f fallopian tube.展开更多
Sperm cryopreservation is an effective fertility preservation method for cancer patients before anticancer treatments. However, thereare little data on fertility preservation in large cohorts of patients with cancer i...Sperm cryopreservation is an effective fertility preservation method for cancer patients before anticancer treatments. However, thereare little data on fertility preservation in large cohorts of patients with cancer in southern China. This retrospective cross-sectionalstudy aimed to assess the fertility preservation status of 1034 newly diagnosed male patients with cancer in the Human SpermBank of Guangdong Province in southern China (Guangzhou, China). Of these, 302 patients had reproductive system tumors,mostly testicular cancers (99.0%), and 732 had other tumors, including lymphoma (33.1%), gastrointestinal cancer (16.3%),nasopharyngeal carcinoma (15.7%), leukemia (7.7%), sarcoma (3.6%), and others (23.6%). Patients with reproductive systemtumors had lower sperm concentration and prefreezing and post-thawing progressive motility than those with non-reproductive systemtumors (all P < 0.001). Differences in sperm concentration, progressive motility, and normal morphology rate were observed betweenpatients with and without anticancer surgery before sperm cryopreservation (all P < 0.05). As of April 30, 2022, 63 patients usedtheir cryopreserved sperm for assisted reproductive technology treatments and 39 pregnancies were achieved. This study providesvaluable data on the fertility preservation status in newly diagnosed cancer patients in southern China, demonstrating that patientswith reproductive system tumors had poor sperm quality for their pretreatment fertility preservation.展开更多
基金supported by Science and Technology Planning Project of Guangdong Province,China (No. 2010B031600250)
文摘Objective To compare clinical efficacy of three cervical preparations for surgical evacuation in first trimester missed abortion. Methods Two hundred and ten women with early missed abortion were equally randomized into three groups. Three cervical preparations, Dilapan-dilator method （group A, n= 70）, mifepristone method （group B, n= 70）, and misoprostol method （group C, n= 70）, were used 24 h before curettage for terminating missed abortion, respectively. Clinical outcomes and complications for these three methods were compared. Results No differences were found in rates of successful treatment among the three groups （P〉O.05）. The incidence of fitting number 8 Hegar dilator was slightly high in group A, but it was not different compared with that in group B or group C （P〉0.05）. Bleeding in previous 24 h in group C was significantly greater than that in group A or group B （P〈0.01）. The cases of blood loss （〉50 ml） during evacuation in group B were more than those in group A （P〉0.05）. Women in group B had less abdominal pain than those in group A or group C （P〈0.01）. Side effects in group C were more than those in group A on nausea （P〈0.01）, vomiting （P〈0.05）, and diarrhea （P〈0.01）. Group B had the highest acceptability among the three groups （P〈0.05）. Conclusion Three methods have the similar clinical efficacies in cervical ripening for surgical treatment of early missed abortion. Based on individual characteristics, different approach would be chosen to avoid some adverse events and improve the clinical application of Dilapan-dilator.
基金supported by the Fundamental Research Funds for the Central Universities,China(No.21612445)
文摘Objective To evaluate possible clinical effects of adiponectin, resistin, 1L-6, and TNF-a in obese and non-obese patients with polycystic ovary syndrome （PCOS）. Methods Seventy selected PCOS patients were recruited for this study, and were divided into two groups based on their body mass index （BM1）： 35 obese （BM1 25 kg/m2, group A）, 35 non-obese （BMI〈25 kg/me, group B）. In addition, 35 healthy non-obese women （BMI〈25 kg/m2） were enrolled as the control （group C）. Serum levels of FSH, LH, T, glucose, insulin, adiponectin, resistin, 1L-6, TNF-a. were detected, and compared the differences of them among three groups. Results Blood glucose levels among three groups had no difference （P〉0.05）. Blood insulin level was significantly greater in group A than in group B or group C （P〈0.05）, and a significant difference existed between group B and group C （P〈0. 05）. The ratio of glucose/insulin was significantly higher in group A than in group B or group C （P〈0.05）, and the ratio in group B was significantly higher than that in group C （P〈0.05）. Adiponectin level was significantly lower and resistin level was significantly higher in group A than in group B or group C （P〈0.05）. IL-6 level in group C was significantly lower than that in group A or group B （P〈0.05）, and significant difference was found between group A and group B （P〈0.05）. TNF-a level was a slight high in group B, whereas there was no statistical difference among three groups （P〉0.05）. Conclusion Disturbances of some metabolic and inflammatory adipokines could involve the pathogenesis of PCOS in both obese and non-obese women. Low-grade chronic inflammation might have negative effects on the development of PCOS in non- obese women.
文摘Objective To investigate the expression of survivin gene among human normal endometrium,atypical hyperplasia of endometrium,and endometrial carcinoma.Methods Tissue samples of human normal endometrium during proliferative phase （NE,n=20）,atypical hyperplasia of endometrium （AHE,n=11）,and endometrial carcinoma （EC,n=9） were collected.Besides,Paraffin embedded sections of NE （n=20）,AHE （n=20）,and EC （n=20） were used.The expression of survivin gene was determined by immunohistochemistry and the real-time reverse transcription polymerase chain reaction.Results Survivin immunostaining appeared in the cytoplasm of endometrial epithelial cells.Both survivin staining and mRNA had higher levels in AHE or EC than those in NE （P〈0.01）.No difference was found on survivin staining and mRNA between AHE and EC （P〉0.05）.Conclusion High expression of survivin gene in human endometrium is associated with the risk of atypical hyperplasia progressing to endometrial carcinoma.The high level of survivin expression is useful as a predictive indicator for endometrial carcinoma.
文摘Objective To investigate the role of circulating antisperm antibody （ASA） in the pathogenesis of endometriosis-associated infertility. Methods Serum samples were collected from 75 infertile women with minimal or mild endometriosis. Indirect immunobead test reporting on the percentage of motile sperm with adherent immunobeads was used to detect the circulating ASA levels. Results No infertile cases enrolled in the present study developed significant ASA level in the serum samples. That is to say, no one could achieve the diagnosis of ASAmediated infertility according to the World Health Organization criteria （50% or more of the motile sperm with immunobead binding）. There were only 5 cases （6.7%） who had 20%-40% of the motile sperm that were found to have adherent particles of ASA- IgG. All the cases were found to be completely absent of ASA-IgA. Conclusion Endometriosis seems to have little impact on the production of circulating ASA. Clearly, ASA is not the key factor implicated in the pathogenesis of endometriosis-associated infertility. The presence of a low titer of ASA in a small proportion of the infertile women with endometriosis may exist by chance and, at least in part, explain the impaired fecundity in those patients.
文摘Objective To evaluate levels of the circulating antisperm antibody （ASA） in infertile women with polycystic ovary syndrome （PCOS）.Methods Forty-six infertile women with PCOS were enrolled into this study. The serum was screened by the indirect immunobead test for ASA type IgG and IgA according to the WHO laboratory manual.Results Of the 46 patients assessed for ASA-IgG, 3 cases had immunobead binding which were 20%, 27% and 35%, respectively, and the sub-positive rate was 6.5%. No case had the clinical positive level according to the WHO criteria （50% or more of the motile sperm with immunobead binding）. ASA-IgA was not detected in all cases. Conclusion The circulating ASA is not associated with the pathogenesis of infertile women with PCOS.
基金supported by Science and Technology Planning Project of Guangdong Province, China (No. 2010B031600250)Scientific and Technical Personnel Serving Company in Guangdong Action Items, China (No. 2009GJE00008)
文摘Objective To compare clinical efficacy for two cervical preparations for early secondtrimester pregnancy termination at 12-17 weeks gestation. Methods Seventy healthy women aged 18-41 years requesting legal termination of pregnancy at 12-17 weeks of gestation were equally randomized into two groups. Two cervical preparations, the Dilapan-STM combined with mifepristone and misoprostol （DMM） method, and the mifepristone combined with misoprostol （MM） method, were used to end early second-trimester pregnancy for group DMM and group MM, respectively. Clinical outcomes and complications for these two methods were compared. Results No differences were found on rates of successful abortion within 48 h and blood loss after abortion at 2 h between the two groups （P〉0.05）. DMM group had significant shorter induction-to-abortion interval and hospital stay compared with group MM （P〈0.01）. In both DMM and MM groups, side effects including nausea/vomiting, diarrhea, chills and rigors, and fever occurred, and incidences of these side effects were no difference （P〉0.05）. Conclusion DMM method would have similar clinical efficacies with MM method for early second-trimester pregnancy termination. Besides,DMM method has shorter induction-to-abortion interval and hospital stay, which benefits its clinical application.
文摘Objective To investigate whether hemospermia is involved in the production of antisperm antibodies （ASA）. Methods A total of 40 males with hemospermia were enrolled in this study. These males were divided into 3 groups according to their fertile status： 18 cases were patients who visited the infertility clinic （group A）, 8 had fertility （group B）, and 14 did not know their fertile status （group C）. Semen samples were collected and ASA levels were detected by the direct immunobead test （D-IBT）. Leukocytes in semen were assessed by the peroxi- dase assay. Results None of these males with hemospermia were found to display significant levels of ASA in the 3 groups. The number of cases who had increased levels of leukocytes in the semen samples of groups A, B and C were 15 （83.3%）, 6 （75.0%） and 12 （85.7%）, respectively. Conclusion Hemospermia is not associated with the production of ASA. It is worth noting that the leukocyte levels are increased in semen of males with hemospermia.
文摘Objective To evaluate levels of the circulating antisperm antibody （ASA） in women with secondary infertility. Methods Eighty-three women defined as secondary infertility were enrolled into this study. Based on their outcomes of previous pregnancy, these women were divided into two groups： group HC （having at least one child, n=45）, group NC （no child but one to three abortions, n=35）. The serum was screened by the indirect immunobead test for ASA type IgG and IgA according to the WHO laboratory manual. Results Of the 83 patients assessed for ASA-IgG, 14 had immunobead binding rate ranged from 15% to 43%, and the sub-positive rate was 16.9%. Five cases showed ASA-IgA sub-positive, and had binding rate between 10% and 20%. No case had the clinical positive level according to the WHO criteria. No differences were found on ASA-IgG and ASA-IgA between HC and NC groups （P〉0.05）. Conclusion The circulating ASA may be a possible cause to decrease fertility in women with secondary infertility.
文摘Objective To analyse quantitative changes of testicular peritubular cells in aging mice, and meanwhile investigate age-related changes in both Sertoli cells and germ cells with stereology. Methods Thirty male Kunming mice were enrolled in this study. The aged mice （n=15） were 18 months old. The young mice （n=15） were 6 months old, as the control. Haematoxylin and eosin staining was used to observe histological changes. Pathological evaluation rules of assignment scores were made to evaluate. Stereology techniques were applied to quantitatively analyse histological structure of the testicular tissues. Results Compared with young group, pathologic assignment scores of aging group were significantly higher （P〈0.05）. Diameter of seminiferous tubules in aging mice was atrophied significantly （P〈0.05）. Germ cell numerical density and Sertoli cell volume density of aging group were reduced significantly compared with young group （P〈0.05）. No significant differences were found in peritubular cell parameters compared with young group （P〉0.05）. Conclusion The pathological assignment scores suggest a succession of changes on the testis with age. The stereological numbers demonstrate damaged Sertoli cells and decreased germ cells, which is indicative of spermatogenic disturbance. However, no significant quantity changes of peritubular cells is observed in aging mice.
基金supported by Science and Technology Planning Project of Guangdong Province,China(No.2012B031800400)
文摘Objective To evaluate effects of rosiglitazone （RSG） on the expression of adiponectin in mature adipocytes at high levels of both testosterone （T） and insulin in vitro culture. Methods Mouse 3T3-L1 preadipocytes were induced to be mature adipocytes and used in this study. According to RSG concentrations, the cells added with T （10^-5 mol/L） and insulin （10^-4 mol/L） were divided into 4 groups： free-RSG group （0 mol/L RSG, FR-TI）, low-dose group （10^-9 mol/L RSG, LR-TI）, middle-dose group （lO-7mol/L RSG, MR-T1） and high-dose group （10^-6 mol/L RSG, HR-TI）. Besides, the cells added with RSG without T and insulin were also divided into 4 groups： FR, LR, MR, and HR. These 8 groups were incubated for 42 h. Cell viability was determined by MTT assay. Expression of adiponectin was detected by Western blotting. Results The maximum viability in FR-TI group was observed at point of 42 h. The growth of the adipocytes was significantly inhibited in MR-TI group compared with FR-TI （P〈0.01）. The level of adiponectin in MR-TI group was higher than that in LR- TI group （P〈0.01）. However, with RSG increasing; HR-TI group showed the lowest level of adiponectin among three treatment groups （P〈0.01）. In addition, adiponectin expression in MR-TI group was significantly higher than that in MR group （P〈0.01）. Conclusion RSG could increase the expression of adiponectin in 3T3-L1 adipocytes under high levels of both T and insulin, but it acts in a narrow concentration range.
文摘Objective To investigate expression and localization of Calbindin-d28k (CaBP-d28k) in human ovary. Methods The expression of the CaBP-d28k protein and gene in 23 human ovarian samples was measured by immunohistochemistry and reverse transcription polymerase chain reaction (RTPCR) methods. Results Positive expression of the CaBP-d28k protein and mRNA was observed in human ovary. The ovarian expression of the CaBP-d28k protein appeared in the cytoplasm of oocytes, granulose cells, theca cells, and two types of cells of corpus luteum. From primordial follicle, primary follicle to secondary follicle, increased CaBP- d28k levels were showed (P〈0. 05), and the CaBP-d28k expression in secondary follicle had the highest level. Conclusion Human ovarian tissue locally expresses CaBP-d28k, and its expression level increases with follicular development.
文摘Objective To investigate the association between β3 integrin-fibronectin signaling and salpingitis. Methods Thirteen chronically inflamed tubal samples were included in the case group, while 29 normal fallopian tube samples were set as the controls. Immunohistochemistry was used to determine the distribution patterns and expressions of β3 integrin and fibronectin in the fallopian tube samples. Results β3 integrin was presented in the ciliated cells within the whole length of the normal fallopian tube, but no staining was detected in the tubal epithelium of salpingitis. A similar distribution pattern offibronectin was revealed between the cases and the controls, with exclusive staining in the tubal mucosal matrix and the basement membranes of the tubal epithelium and mucosal vessels, whereas no staining was detected in the tubal epithelial cells. Fibronectin in the samples of salpingitis showed a remarkably stronger-staining than that of the normal controls （P〈0.01）. Conclusion Salpingitis could reduce β3 integrin expression and raise fibronectin expression in the fallopian tube epithelium, concomitantly changed concentrations of β3 integrin and fibronectin seem to have impacts on the onset of salpingitis.
文摘Objective To evaluate the effects of different sera on the growth of human granulosa cells （GCs） cultured in vitro. Methods GCs were obtained from women who underwent follicular aspirates during in vitro fertilization （IVF） program. Five groups were divided according to media supple- mented with different types of sera. Group A, 10% heat-inactivated fetal bovine serum （FBS）; group B, 10% heat-inactivated newborn bovine serum; group C, 10% non heat-inactivated FBS; group D, 10% human serum; group E, bovine serum albumin. Morphological characteristics and viability of GCs measured by trypan blue exclusion assay were evaluated after 24 h of incubation.Results GCs cultured in group A and group B showed multiform morphology compared with other groups. GCs cultured in group D and group E were present with cytoplasmic atrophy and less pseudopodium. Moreover, group A and group B showed a similar level in the viability of GCs （P〉0.05）, which displayed no difference between group D and group E as well （P〉0.05）. Group C had a lower level of viability than group A （P〈0.05） but a higher level than group D （P〈0.01）. Conclusion Heat-inactivated sera can improve the growth of GCs. Different types of sera would have different effects on the growth of GCs cultured in vitro. The pre-culture with different types of sera should be performed to get better efficacy.
文摘Aberrant sperm protamination is linked to sperm dysmorphology and nuclear chromatin condensation.Yet,its effects on sperm cytoplasmic maturation remain largely unexplored.The relationships of protamines,sperm morphology,DNA damage,and cytoplasmic remodeling were illustrated in this study to provide fresh perspectives on the mechanisms of male infertility.A total of 205 infertile males were allocated into 5 groups according to the percentage of spermatozoa exhibiting abnormal morphology within their samples.Sperm concentration,motility,abnormal sperm morphology,cytoplasmic droplets(CDs),and excess residual cytoplasm(ERC)were analyzed according to the World Health Organization manual(2010).Sperm nuclear vacuoles(NVs)were determined by propidium iodide(PI)staining.Sperm protamine expressions(P1 and P2)were detected by western blot.DNA damage was measured by acridine orange test(AOT)to calculate the proportion of sperm with single-strand DNA breaks(SSBs).Our data showed that sperm concentration and motility in infertile males significantly decreased with the severity of abnormal sperm morphology(both P<0.01).P1 level,P1/P2 ratio,and SSB rate increased with the severity of sperm dysmorphology,whilst the P2 level decreased(all P<O.01).NVs,CDs,and ERC were more common in males with sperm dysmorphology and positively correlated with the SSB rate(all P<O.01).The relationships between the SSB rate and the P1/P2 ratio were also significant(P<0.01).Aberrant protamination may cause sperm dysmorphology and compromise male fertility by impairing sperm's nucleus and cytoplasm maturation,with the P1/P2 ratio potentially serving as a valuable indicator of sperm quality and male fertility.
文摘Objective To determine the role of the circulating antisperm antibody （ASA） in the pathogenesis of missed abortion at the first-trimester pregnancy. Methods Sixty-two patients with a history of missed abortion at the first-trimester pregnancy were enrolled into this study. Indirect immunobead test （IBT） was used to measure the circulating ASA levels. Fifty healthy women with the first-trimester pregnancy set as the control. Results No case had the positive level of ASA according to the World Health Organization criteria （50% or more of the motile sperm with immunobead binding）. Only 1 case in patient group and 1 case in the control had 10%-20% of the motile spermatozoa with ASA-IgG bead binding. In both patient and control groups, ASA-IgA was found to be completely negative binding. Conclusion The circulating ASA is not associated with the pathogenesis of missed abortions at the first-trimester pregnancy.
文摘Objective To evaluate the level of antisperm antibody （ASA） in infertile women with chronic salpingtis. Methods Forty-eight infertile women with chronic salpingtis were enrolled into this study. Serum samples were screened by the direct immunobead test for ASA type IgG and IgA according to the WHO laboratory manual. About 50% or more of the motile sperm attaching to one or more immunobeads were regarded as clinical positivity according to the WHO criteria. About 20% 50% motile sperm that had adherent particles were deemed to be sub-positive. Results Of the 48 patients with chronic salpingtis assessed for ASA-IgG, 4 had immunobead bindings ranged from 50% to 60%, and the positive rate was 8.3%. In addition, 5 cases had 20%-40% of immunobead bindings, and the sub-positive rate was 10.4%. For ASA-IgA detecting, 2 cases with ASA-IgG positivity also had ASA-IgA immunobead bindings, and the positive rates were 22%, and 28%, respectively. Conclusion The incidence of ASA could be found in infertile women with chronic salpingtis, which suggests that an increased risk for the production of ASA would exist in the inflammatory status o f fallopian tube.
基金supported by Guangzhou Municipal Science and Technology Bureau(grant/award No.202002030480)NHC Key Laboratory of Male Reproduction and Genetics,Family Planning Research Institute of Guangdong Province(grant/award No.KF201905)Natural Science Foundation of Guangdong Province(grant/award No.2021A1515011544 and 2022A1515011705).
文摘Sperm cryopreservation is an effective fertility preservation method for cancer patients before anticancer treatments. However, thereare little data on fertility preservation in large cohorts of patients with cancer in southern China. This retrospective cross-sectionalstudy aimed to assess the fertility preservation status of 1034 newly diagnosed male patients with cancer in the Human SpermBank of Guangdong Province in southern China (Guangzhou, China). Of these, 302 patients had reproductive system tumors,mostly testicular cancers (99.0%), and 732 had other tumors, including lymphoma (33.1%), gastrointestinal cancer (16.3%),nasopharyngeal carcinoma (15.7%), leukemia (7.7%), sarcoma (3.6%), and others (23.6%). Patients with reproductive systemtumors had lower sperm concentration and prefreezing and post-thawing progressive motility than those with non-reproductive systemtumors (all P < 0.001). Differences in sperm concentration, progressive motility, and normal morphology rate were observed betweenpatients with and without anticancer surgery before sperm cryopreservation (all P < 0.05). As of April 30, 2022, 63 patients usedtheir cryopreserved sperm for assisted reproductive technology treatments and 39 pregnancies were achieved. This study providesvaluable data on the fertility preservation status in newly diagnosed cancer patients in southern China, demonstrating that patientswith reproductive system tumors had poor sperm quality for their pretreatment fertility preservation.
