精子发生

动物精子发生及成熟过程中凝集素受体的分布与变化

Distribution and changes of agglutinin receptors during animal spermatogenesis and maturation

精子发生是一个雄性动物终身产生大量精子的复杂过程，它包括增殖，分化以及生殖细胞的形成。

Spermatogenesis is a complex process , including proliferation , differentiation and the formation of germ cells to produce a large number of sperm all male animal life long .

mRNA差异显示法筛选小鼠精子发生相关基因

Cloning of spermatogenesis related genes by means of mRNA differential display

一个新的人类精子发生相关蛋白激酶cDNA的克隆

Cloning and Characterization of a New Human Spermatogenesis-related Protein Kinase cDNA

如何降低此发生率一直是人们关注的问题。抑制素B是精子发生的血清标记物，和精子的生成状态密切相关。

So people pay close attention to how to reduce the incidence . Inhibin B is a serum markers of spermatogenesis .

目的：用cDNA微阵列技术克隆和筛选成年期与胚胎期睾丸差异表达基因，以进行睾丸发育及精子发生的调控研究。

Objective : To identify gene differential expression in embryo and adult testes by cDNA microarray techniques .

XY-二价体与重排染色体联合，干扰或影响X染色体的正常功能，从而干扰精子发生。

The association of XY-bivalent and the rearranged autosomes interfere with or affect , by their contact , X chromosome normal functions .

大鼠睾丸生精小管上皮精子发生周期的PAS法判定

Evaluation of Seminiferous Epithelium Stage in Rat Testis by PAS Staining

维生素E还能防止精子发生冷休克，提高冻精解冻后的精子活力，从而提高受精率。

In addition , vitamin E also can prevent the cold shock of sperm , and increase sperm motility after thawing to improve sperm fertilization .

X射线对弥猴（Macacamulatta）精子发生的效应

The effects of X-irradiation on the spermatogenesis of the monkey , macaca mulatta

兔精子发生过程中Cyclinb1基因表达和蛋白定位的发育阶段依赖性

Developmental stage-dependence of cyclin B1 protein localization and gene expression in rabbit spermatogenesis

SC粉碎化、侧生组分膨化、配对紊乱导致精子发生失败。

SC fragmentation , lateral elements ( LEs ) swelling and pairing disorder result in spermatogenic failure .

MyosinVa在中华绒螯蟹精子发生过程中的空间分布与表达

Myosin Va in Chinese Mitten Crab , Eriocheir Sinensis , and Variational Distribution during Spermatogenesis

睾丸Sertoli细胞在精子发生中的作用及辐射损伤

The role of Sertoli cells in the testes spermatogenesis and its damage in the radiation

结论：T可促进支持细胞tPA的分泌，T可能是通过调节支持细胞tPa的分泌间接参与精子发生，tPA可能是T调节精子发生的一个中间环节。

Conclusions It can be concluded that testosterone controled the spermatogenesis by regulating the secretion of tPA .

目的研究精子发生相关基因的结构与功能，构建中国人正常睾丸组织定向克隆表达cDNA文库。

Objective To construct directional expressing cDNA library from normal testes in Chinese males for further studying the structure and functions of spermatogenesis related genes .

转化生长因子-β（transforminggrowthfactor-β，TGF-β）超家族是一类重要的睾丸功能局部调节因子，TGF-β及其受体在精子发生、发育的过程中起重要调节作用。

Transforming growth factor beta ( TGF - β) superfamily and their receptors are expressed in the testis , and are believed to play important paracrine and autocrine roles during testicular development and spermatogenesis .

目的：以生精细胞凋亡作为指标探讨超生理剂量十一酸睾酮（TU）抑制精子发生的机制。

Objectives : To study the mechanism of spermatogenicsuppressive effect of supraphysiological doses of testosterone undecanoate ( TU ) .

本文首次报道了17α-甲基睾酮（17α-methyltestosterone，17αMT）可激发文昌鱼精子发生。

The paper reports for the first time that 17 α - methyltestosterone ( 17 α MT ) may promote spermatogenesis of amphioxus .

实验结果表明，GDNF可能直接参与了出生后仔猪睾丸发育调节，并在调节精子发生中起着重要作用。

These results showed that GDNF played a direct role in the regulation of testicular development and spermatogenesis .

EGF参与精子发生，其作用点主要在减数分裂过程；可影响性分化，在雄激素诱导下使胚胎向雄性方向发育。

EGF may be involved in spermatogenesis by stimulating the meiotic phase , and play a role in male sexual differentiation induced by androgen .

小鼠精原干细胞的富集、移植与培养及GDNF在精子发生中作用机制

Enrichment , Transplantation and Culture of Mouse Spermatogonial Stem Cells and Mechanisms Underlying the Effect of GDNF on Spermatogenesis

精子发生过程中组蛋白H4乙酰化修饰

The acetylation of histone H4 during spermatogenesis

支持细胞为生精细胞提供结构支架和营养，支持细胞分泌的细胞因子（如IL-1α和IL-6）可能涉及精子发生的局部调控。

Sertoli cells provide structural support and nutrition for germ cells . IL-1 α and IL-6 secreted by Sertoli cells were probably involved in the local control of spermatogenesis .

应用焦锑酸钾原位沉淀法对金黄地鼠精子发生及附睾成熟过程中Ca2＋的分布变化规律进行了系统的研究。

Calcium was localized by in situ precipitation method with potassium antimonate to examine the distribution changes of Ca2 + during spermatogenesis and epididymal maturation in golden hamster .

二：利用改进的DDRT-PCR方法克隆小鼠精子发生早期相关基因的EST。我们以小鼠的原始A型精原细胞及B型精原细胞为研究对象，以荧光差异显示方法筛选差异表达基因。

Cloning of ESTs of spermatogenesis-related genes from the early stages of spermatogenic cells of mice using a modified DDRT-PCR method .

精子发生障碍患者Y染色体AZF区微缺失的筛查及意义

Screening for microdeletions of AZF region of Y chromosome in patients with spermatogenetic malfunction and its significance

抑制素B水平反映了整个睾丸组织的功能，是输精管道的直接产物，成年男性血清中维持可检测的抑制素B水平需要生精细胞的存在，因此抑制素B被认为是男性精子发生的血清标志物。

The inhibin B is a direct product of the seminiferous tubules , reflecting the total testicular tissue . The measurable inhibin B production in adult requires the presence of germ cells . Inhibin B is regarded as a serum marker of spermatogenesis .

推测uPA是通过ERK1/2信号通路在精子发生过程中发挥重要作用的。

We presumed that it was through ERK1 / 2 signal pathway that did uPA play the important role during spermatogenesis . 3 .

而uPA由支持细胞分泌，并通过蛋白水解作用在精子发生过程中参与生精细胞转位和精子排放的调节。

UPA is secreted by Sertoli cells and plays the important roles in regulating germ cells translocation and spermiation during spermatogenesis by proteolysis .