原细胞

通常有以下几种组织学构成：精原细胞瘤、胚胎癌、畸胎瘤、绒毛膜癌

They often have several histologic components : seminoma , embryonal carcinoma , teratoma , choriocarcinoma .

~（60）Co腹部移动条照射治疗17例睾丸精原细胞瘤淋巴结转移

Whole abdominal moving strip technique for retroperitoneal lymph node metastases of seminoma of the testes

人类睾丸精原细胞瘤组织中P（53）基因突变和Rb基因蛋白产物表达的缺失

Loss of Rb gene protein expression and P_ ( 53 ) gene mutation in human testicular seminoma

~（134）Cs在小鼠睾丸的滞留过程及其诱发精原细胞染色体畸变

Effect of chromosome aberrations in spermatogonia induced by 134 CS retention in germ cells

结果提示P53基因的突变和人类睾丸精原细胞瘤的发生有关。

The present study suggests that mutation of P53 gene is involved in the development of human testicular seminoma .

目的：探索以精原细胞作为载体建立带乙肝病毒X基因的树鼩转基因动物模型的可行性。

Objective : To investigate the possibility of using the spermatogonial cells as a vector to establish trans-gene animal model of tree shrew with HBV X gene .

小鼠B16黑色素瘤克隆原细胞的体外软琼脂分析法

In vitro Assay for Mouse B16 Melanoma Clonogenic Cells in Soft Agar

而LIF对山羊精原细胞增殖并无显著影响，但在干细胞克隆形态的维持上起到较好的作用。

LIF was not significant improve SSCs proliferation , but for good shape colonies maintenance .

然而从未分化的精原细胞分化为A1型精原细胞是一个非常很关键的时期。

Obviously , it is a very important period when germ cells differentiate from A0 to A1 .

原位杂交显示，GFRα1主要表达于未分化的精原细胞。

GFR α 1 mRNA was mainly expressed by undifferentiated spermatogonia .

生后第7d精原细胞开始分化增生时伴有较多凋亡；

In the 7th dpp there was much apoptosis in the spermatogonia when they began to differentiate .

结论MMP-2、MMP-9、TIMP-1在人睾丸精原细胞瘤的浸润转移过程中起重要作用，有可能成为估计预后的指标之一。

Conclusion MMP-2 , MMP-9 and TIMP-1 play an important role in the infiltrative metastasis of seminoma and may act as one of the factors to evaluate prognosis .

C-3509（A）和（B）浓度分别低至1.0和0.1μu／ml时，精原细胞法测定为阳性。

Measured by spermatogonial assay , it is positive for C-3509 ( A ) and ( B ) at the concentration of 10 and 1.0 ug / ml respectively .

结论应用联合酶消化法、Percoll不连续密度梯度离心和差异粘附等方法可以有效地对人精原细胞进行分离和纯化。

Conclusion Human fetal spermatogonia can be isolated and purified by sequential two-step enzymatic digestion and Percoll discontinue density gradient centrifugation .

stathmin的筛选及其对小鼠睾丸精原细胞的作用研究

Effect of stathmin on spermatogonia proliferation in mice testes : its screening and primary research

6,7周龄小鼠睾丸中p38MAPK表达较丰富，免疫反应阳性细胞为精原细胞和初级精母细胞，免疫阳性反应物均主要位于细胞核内。

The immunolocalization of p38 MAPK was in spermatogonium and primary spermatocyte with positive substance in nucleus .

Mer的表达主要存在于原始的精原细胞和Leydig细胞中，而在Sertoli细胞中表达较弱。

By contraries , immunostaining of Mer was detected mainly in primitive spermatogonia and Leydig cells , while a relative weak signal was found in Sertoli cells .

黄颡鱼除A1型精原细胞外的各期生殖细胞都存在拟染色体，并且随着细胞的不断发育拟染色体逐渐变小分散，最后在精子内完全消失。

Each germ cell had chromatoid body except for the spermatogonium of Al type , and the chromatoid body became small and dispersed with the cell developing constantly , disappearing completely in the sperm .

结论ACN能诱导蝾螈睾丸精原细胞DNA损伤，并且经肝微粒体酶活化后损伤能力明显增强。

Conclusions The results show that ACN and its metabolites could induce damage on DNA in testicular spermatogonia . The toxicity of its metabolites might be higher than ACN itself after ACN is metabolized by microsomal enzyme .

结论在PEH组织中丧失分化和表皮结构形成能力的表皮基底细胞呈脱壳样与原细胞浆膜结构分离，是基底细胞去分化的典型形态特征。

Conclusion The loss of the ability of differentiation and epithelial formation and the harvest of the capability of brooding from former plasmalemma ' nutshell ' of original epithelial cells might be the typically morphological characteristics of the dedifferentiated basal cells in PEH .

采用连续切片技术，研究了15～45期（孵化50h～19d）鸡早期胚胎发育过程中精原细胞与睾丸发生发育的关系。

Chicken embryos from stage 15 to stage 45 were studied by means of serial section and light microscopy in order to learn the relationship between the spermatogonium and the testicular development in the early chicken embryo .

睾丸精原细胞瘤42例放射治疗的远期疗效

Long-term Result of Radiotherapy in 42 Cases of Testicular Seminoma

整合素α6亚基在不同年龄段小鼠睾丸精原细胞表达观察

Expression of integrin - α _ 6 in mouse testicular spermatogonial cells

108例睾丸精原细胞瘤术后放疗分析

Analysis of 108 Cases with Testicular Seminoma Receiving Postoperative Radiotherapy

精原细胞瘤也可表达异位β&HCG。

Ectopic β - HCG might be expressed in seminoma .

透射电镜标本中观察到的精原细胞和精母细胞均具有正常超微结构；

Spermatogonia and spermatocytes with normal ultrastructure were observed .

几种药物对人白血病克隆原细胞的抑制作用

Inhibition of Human Leukemia Clonogenic Cells by Several Drugs

精原细胞不断增殖与生长。

The spermatogonia multiplication and its growth . Except .

38例隐睾精原细胞瘤临床分析

Clinical Analysis of 38 Cases with Testicond Seminoma

卵巢前端卵原细胞双行排列；

Oocytes arranged in a double row in the anterior part of the ovary ;