1Tsoutsou PG, Koukourakis MI. Radiation pneumonitis and fibrosis: mechanisms underlying its pathogenesis and im- plications for future research [J]. Int J Radiat Oncol Biol Phys, 2006, 66(5): 1281-1293.
2Roberts CM, Foulcher E, Zaunders JJ, et al. Radiation pneumonitis: a possible lymphocyte-mediated hyper-sensi- tivity reaction[J]. Ann Intern Med, 1993, 118(9):696-700.
3Rtibe CE, Wilfert F, Palm J, et al. Irradiation induced a biphasic expression of pro-inflammatory cytokines in the lung[J]. Strahlenther Onkol, 2004, 180(7): 442-448.
4Luzina IG, Todd NW, Iacono AT, et al. Roles of T lym- phocytes in pulmonary fibrosis[J]. J Leukoc Biol, 2008, 83 (2): 237-244.
5Atamas SP, White B. Cytokine regulation of pulmonary fi- brosis in scleroderma [J]. Cytokine Growth Factor Rev, 2003, 14(6):537-550.
6Bettelli E, Korn T, Kuchroo VK. Th17: the third member of the effector T cell trilogy[J]. Curr Opin Immunol, 2007, 19(6):652-657.
7Pene J, Chevalier S, Preisser L, et al. Chronically inflamed human tissues are infi-ltrated by highly differentiated Th17 lymphocytes[J]. J Immunol, 2008, 180(11): 7423-7430,.
8Ivanov II, McKenzie BS, Zhou L, et al. The orphan nucle- ar receptor RORgammat directs the differentiation program of proinflammatory IL-17^+ T helper cells [J]. Cell, 2006, 126(6): 1121-1133.
9Korn T, Bettelli E, GaoW, et al. IL-21 initiates an alter- native pathway to induce proinflammatory T(H) 17 cells[J]. Nature, 2007, 448(7152): 484-487.
10Park H, Li Z, Yang XO, et al. A distinct lineage of CD4 T cells regulates tissue inflammation by producing inter- leukin 17[J]. Nat Immunol, 2005, 6(11): 1133-1141.