查询词典 stem cells

OBJECTIVE: To construct human immortalized precartilaginous stem cells using human precartilaginous stem cells induced by SV40LTAg gene.

目的：以SV40Tag转染的人前软骨干细胞构建永生化人前软骨干细胞株。

OBJECTIVE: To study the intrahepatic transplantation of embryonic stem cells-derived hepatic stem cells in therapeutic liver repopulation models, and to investigate the liver tissue replacement, growth and differentiation in vivo, and neoplastic formation.

目的：应用治疗性肝再生模型进行胚胎干细胞源性肝干细胞肝内移植，观察其在肝组织替代、体内的生长分化及成瘤性情况。

Objective:To study the biological features of mouse spermatogonial stem cells,in order to indentify spermatogonial stem cells and to realize the features in vitro.

目的：探讨培养状态下精原干细胞的生物学特征，为体外鉴定精原干细胞及认识精原干细胞在体内的生物学行为打下实验基础。

Objectives:To establish the culture system of spermatogonial stem cells in vitro;To study the mechanism of proto-oncogene c-src on the proliferation of rat spermatogonial stem cells.

目的：探索及完善精原干细胞的分离、鉴定和体外培养技术；研究原癌基因c-src在体外培养的大鼠精原干细胞中的表达及其与精原干细胞增殖相关的信号通路。

Objectives: To establish the culture system of spermatogonial stem cells in vitro; To study the effect of proto-oncogene c-src and the expression of caspase-3 gene on spermatogonial stem cells.

目的：探索及完善精原干细胞的分离、鉴定和体外培养技术；研究原癌基因c-src对体外培养的精原干细胞存活及与凋亡密切相关的caspase-3表达的影响。

BACKGROUND: Vitamin A has important effects on growth of spermatogonial stem cells. At present, we have not found an inductive substance of promoting growth and differentiation of spermatogonial stem cells during in vitro culture.

摘要背景：维生素A在体内对精原干细胞生长具有重要作用，目前还没有发现在体外培养过程中能够很好促进精原干细胞生长与分化的诱导物质。

Human bone marrow mesenchymal stem cells grow well in the three-dimensional environment of partially demineralized bone matrix, which is a good method for culture of human bone marrow mesenchymal stem cells in vitro.

hBMSCs在部分脱钙骨支架的三维立体环境中生长良好，是一种较好的体外培养方法。

Human bone marrow mesenchymal stem cells grow well in the threedimensional environment of partially demineralized bone matrix, which is a good method for culture of human bone marrow mesenchymal stem cells in vitro.

hBMSCs在部分脱钙骨支架的三维立体环境中生长良好，是一种较好的体外培养方法。

The crucial reason of health and aging is the amount of stem cells decrease or inactivate, increase the amount, raise the ability of Self-Renewal and Differentiation, activate the hibernated stem cells in the body are certain effective methods.

既然有关健康和衰老的重要原因是干细胞数量减少或活性降低，设法增加其数量，提高干细胞的自我更新和分化能力，活化体内休眠的干细胞必然是有效方法。

This investigation was to establish a simplified culture system to isolate and passage brain tumor stem cells from human medulloblastoma, observe their proliferation and differentiation, and determine the expression of normal neural stem cell antigens, CD133 and Nestin, in BTSCs. METHODS: Eleven specimens of medulloblastoma were acutely dissociated and triturated into single cells without trypsin digestion.

本研究旨在利用简化的无血清培养基和悬浮培养方法，从人髓母细胞瘤中分离培养脑肿瘤干细胞，观察其在体外的增殖、分化，鉴定其特异性标志物CD133和Nestin的表达，验证肿瘤组织切片中CD133阳性细胞的存在，为脑肿瘤干细胞的进一步研究打下基础。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。