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生精细胞的凋亡研究进展 被引量:2

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摘要 凋亡(apoptosis)是由澳大利亚病理学家Johnkerr于1972年提出的,指细胞由基因控制的主动死亡过程。形态上表现为核固缩、染色质浓集、细胞膜皱折、胞体变小,细胞成断片后,最后成为被膜包绕的凋亡小体而被邻近的细胞吞噬与降解。组织学表现为单个细胞缺失,周围没有炎症反应。生物化学表现为活化Ca^(2+)依赖的核酸内切酶,在核小体连接处将染色质DNA降解成单或寡核苷酸小体,其大小均为长度180~200bp的倍数。凋亡可以是一种生理现象,也可以是病理现象。它与因缺血、缺氧而引起的病理性细胞坏死明显不同,后者细胞器和细胞膜出现肿胀、溶解、破裂,细胞内含物释放到细胞间隙可引起炎症反应。
出处 《医学综述》 2000年第7期291-292,共2页 Medical Recapitulate
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参考文献10

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同被引文献12

  • 1Allan DJ, Harmon BV, Roberts SA. Spermatogoial apoptosis has the irorphologically recognizable phases and shows nocircadian thytha during normal spermatogenesis in the rat. Cell Prolif, 1992,25 (2) :241-250.
  • 2Keer JF, Wyllie AH, Currie AR. Apoptosis, abasicbiological phenomenon with wide ranging implication intissue kinetics. Br J Cancer, 1972,26(4) ,239-257.
  • 3Billig H,Furutal,Rivier C, et al. Apoptosis in test is germ cells: developmental changes in gonadoptrop independence and localization to selective tubule stages. Endocrinology, 1995,136( 1 ) :5.
  • 4Flickinger C J, Herr JC, Howards SS, et al. The influence of vasovasostomy on testicular alterations after vasectomy in Lew is rats. Anat Rec,1987.217( 1 ) :137.
  • 5Geierhass B, Herrmann M. Morphologica land hormonal changes following vasectomy in rats,suggesting a functional role for Leydigcell associated macrophages. Honn Metab Res, 1991,23 ( 2 ) : 373.
  • 6Flickinger CJ ,Herr JC, Baran ML, et al. Testicular development and the formation of spermatic granulom as of the epididymis after obstruction of the vasdeferens in immature rats. Jurol, 1995,154(4) : 1539-1544.
  • 7Fauser BC, Galway AB, Hsueh AJW. Inhibitory actions of interleukin-1 beta on steroidogenesis in primary cultrues of neonatal rat testicular cells. Acta Endocrinol( Copenh), 1989,120( 2 ) :401.
  • 8沈凯,杨宇如,唐孝达,黄明孔,李虹,沈宏,雷松,魏于全,张红英.输精管结扎对大鼠睾丸生精细胞凋亡的影响[J].华西医科大学学报,1998,29(4):402-406. 被引量:10
  • 9沈凯,杨宇如,李虹,沈宏,张红英,魏于全,唐孝达,黄明孔.输精管结扎对大鼠睾丸生精细胞Bcl-2、Bax蛋白表达影响的研究[J].生殖与避孕,1999,19(1):11-16. 被引量:22
  • 10商学军,黄宇烽,徐建平,万长春.解脲支原体感染与生精细胞凋亡[J].男科学报,1999,5(1):21-23. 被引量:24

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