查询词典 stem cells

The typical pathological characteristics of SPTs may result from gradual degenerative changes induced anoxemia in some SPT's areas. The heterogeneity of SPTs on different antibody markers showed that the SPTs may be originated from pancreatic embryonic stem cells, and result from immature differentiation of the pluripotential stem cells during pancreatic genesis.

SPT典型病理特征是由于肿瘤组织不同区域相对缺血、缺氧所造成的退行性变的结果，SPT表达多种组织来源的抗原，反映其可能来源于胰腺干细胞及与其发育密切相关的胚胎神经嵴的神经前体细胞，且在发育过程中发生分化不成熟的结果。

In order to test this hypothesis, we isolated and developed stable self-renewable cell lines of mesenchymal stem cells from human fetal articular cartilage and identified the cell phenotype by FACS and we found that their phenotypic markers were identical to those of mesenchymal stem cells from bone marrow.

我们从胚胎的关节软骨中获得成纤维样细胞，在体外进行培养和扩增，并用流式分析的方法对其表面标志进行鉴定，发现其表面标志与文献报道的骨髓来源的间充质干细胞的表面标志相同。

There are two hypotheses to explain the origin of liver cancer stem cells: the dedifferentiation of mature hepatocytes and the maturation arrest of liver stem cells.

通过实验，研究人员对于肝癌干细胞的来源提出了两个假说：成熟肝细胞的去分化与肝干细胞的"成熟受阻"。

It turned out that hematopoietic stem cells be immortalized by constitutive Notch1 and Delta has the function as the mitogenic regulators of hematopoietic stem cells.

研究人员将活化形式Notch受体导入造血干细胞，使其获得了细胞因子依赖性的"永生"；另外，Notch的配体Delta、Jagged具有类有丝分裂因子作用，可保持造血干细胞的自我更新能力，促进其体外增殖。

According to the editorialist, the idea for studies such as this one exploring the possibility that tumor growth is driven by pluripotent cells considered cancer stem cells comes from work in the hematologic cancers, where stem-cell research is well established.

根据编辑评论，本研究的想法之一为肿瘤生长的可能性是受多潜能干细胞驱动，认为癌症干细胞是来自血液方面癌症，这方面的干细胞研究已经有一定成果；Massague医师指出，在肿瘤出现这一类的干细胞是十分有趣的，特别是这些肿瘤存在少数结果却是最阻抗治疗的。

It is one of hot spots that cerebrovascular disease has been treated by stem cells explantation,and the investigative emphasis is the traditional Chinese medicine's effect on stem cells transplanted into vivo.

干细胞移植治疗脑血管病是目前研究的热点之一，中药对移植于体内的干细胞的影响是我们研究的重点。

Objective To investigate the differentiation of bone marrow-derived mesenchymal stem cells into neurons and transplantation of the stem cells to repair rat hemisection spinal cord injury.

目的 初步探讨骨髓间充质干细胞诱导为神经细胞，及其移植对大鼠脊髓半横断损伤神经功能恢复和运动的影响。

The neural stem cells can be isolated from human embryonic cerebral tissue . The ratio of cell clone formation from smaller gestational age is higher than that from elder gestational age .The differentiation of neural stem cells from hindbrain is easier than that from forebrain.

从人胚脑组织的前、后脑中分离出神经干细胞；较小胚龄的脑组织原代培养时细胞克隆的形成比例较高；后脑组织分离的南京医科大学硕士学位论文神经干细胞比前脑组织来源的更容易分化。

To isolate forebrain and hindbrain of human fetuses about 9 weeks and 12 weeks from spontaneous abortion. Neural stem cells were cultured in special culture medium and were compared with growth characterization.The differentiation from these neural stem cells was investigated in both a fetal bovine serum-containing and a non-supplemented,serum-free basal medium.

材料与方法：利用神经干细胞的条件培养基，对从9周和12周胚龄的自然流产胎儿分离的前脑、后脑进行神经干细胞培养，比较其生长特性，并分别观察在无生长因子的基础培养基以及含有胎牛血清的培养基中神经干细胞的分化情况。

Corneal stem cells disease: concepts, categorization, and treatment by auto-and homotransplantation of limbal stem cells.

体外培养的兔和人角膜缘干细胞在培养的初期(传第1、2代)与体内角膜干细胞具有相似的生物学特征，即增殖能力高、具有干细胞固有的分化特征。

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。