别。这提示用腹腔注射法给NOD小鼠应用该剂量的猪脑GAD 不会使小鼠自身的体液免疫反应加重而诱发DM。 总之,本研究表明猪脑GAD有预防NOD小鼠1型DM、保护β细胞超微结构的作用,其机制可能 与调节T细胞亚群有关。由于猪脑GAD来源广、价格低,有望用作预防人类自身免疫性糖尿病 的抗原。
作者单位:朱禧星(上海医科大学附属华 山医院内分泌科 200040)
钟慈声(上海医科大学电镜室 )
参 考 文 献
1,Ramiya VK, Lan MS, Wasserfall CH, et al. Immu nization therapies in the prevention of diabetes. J Autoimmun, 1997,10:287-292.
2,Petersen JS, Karlsen AE, Markholst H, et al. Neonatal tolerization wit h glutamic acid decarboxylase but not with serum albumin delays the onset of dia betes in NOD mice. Diabetes, 1994,44:1478-1484.
3,Pleau JM, Fernandez-Saravia F, Esli
ng A, et al. Preve ntion of autoimm une diabetes in nonobese diabetic mice by treatment wi
th recombinant glutamic ac id decarboxylase (GAD65). Clin Immunol Immunopathol, 1997,6:90-95. 4,杨竹林, 周智广, 伍汉文, 等. GAD预防NOD鼠胰 岛炎的机理研究. 中华内分泌代谢杂志, 1998,14:315-317.
5,Sai P, Rivereau AS, Granier C, et al. Immuniz ation of nonobes e diabetic (NOD) mice with glutamic acid decarbosylase-derived peptide 524~543 reduces cyclophosphamide accelerated diabetes. Clin Exp Immunol, 1996,105:330- 337.
6,Tian J, Atkinson MA, Clare-Salzler M, et al. Nasal ad ministration of glutamate decarboxylase (GAD65) peptides induces Th2 responses and prevents muri ne insulin-dependent diabetes. J Exp Med, 1996,183:1561-1567.
7,刘芳, 朱秋毓, 俞茂华, 等. 猪脑GAD的提取和 纯化. 上海医科大学学报, 1997,24:465-467.
8,Liblau RS, Singer SM, McDevitt HO. Th1 and Th 2 CD+4 T ce lls in the pathogenesis of organ-specific autoimmune diseases. Immunol today, 1 995,16:34-38.
9,Rothe H, Faust A, Schade V, et al. Cyclophosphamide tr eatment of female nonobese diabetic mice causes enhanced expression of inducible nitric,oxide,synthase,and,IFN-γ, but not interleukin-4. Diabetologia, 1 994,37:1154-1158.
10,Atkinson MA, Maclaren NK. Mechanisms of disease: the pathoge nesis of insulin-dependent diabetes mellitus. N Engl J Med, 1994,33:1428-1436.
11,Bingle
上一页 [1] [2] [3] [4] [5] [6] 下一页