Hundreds of combinations of different types of antigens are possible , meaning that hundreds of thousands of es cell lines might be needed to establish a bank of cells with immune matches for most potential patients 不同的抗原类型可能有数百种的组合方式，也意味著这可能需要建立一个含有数十万种胚胎干细胞株的细胞库，以比对出与患者免疫相容性最高的干细胞。
The mice showed ageing - associated decrease in oocyte pool , as indicated by significantly decreased number of gv oocytes from ovaries , mii oocytes from oviducts and follicles in ovary sections in the aged mice 昆明白小鼠呈现与衰老相关的卵母细胞库减少，表现在由老龄小鼠收集到的gv期卵母细胞和m期卵母细胞数明显减少及卵巢组织切片中显示的卵泡数明显减少。
Josephine quintavalle , a spokesperson for the prolife alliance , said she felt suspicious about the establishment of the stem cell bank , despite the fact many scientists see it as a way of reducing the number of embryos they would need to use 保卫生命联盟的发言人约瑟芬昆塔瓦莱说，她对胚胎干细胞库的建立表示怀疑，尽管许多科学家认为这是一种必要的减少胚胎使用数量的途径。
Josephine quintavalle , a spokesperson for the prolife alliance , said she felt suspicious about the establishment of the stem cell bank , despite the fact many scientists see it as a way of reducing the number of embryos they would need to use 保卫生命联盟的发言人约瑟芬?昆塔瓦莱说，她对胚胎干细胞库的建立表示怀疑，尽管许多科学家认为这是一种必要的、减少胚胎使用数量的途径。
Our latest - 190 liquid nitrogen vapor storage freezers provide the highest level of sample security . supporting biomedical applications such as assisted reproduction , oncology research , immunology , gene therapy and banking of tissue , bone marrow , stem cells and cord blood 我们最新的- 190干式液氮储存冷冻箱为样本提供最安全的保障，支持各种生物医学应用，如人工繁殖，肿瘤学研究，免疫学，基因治疗，细胞库，骨髓，干细胞，脐带血等。
For the cryogenic preservation of fish , in this paper we made the primary culture of the kidney of allotetroploid crucian carp and primary studies were carried out on cryopreservation culture offish embryo cells derived from misgurnus auguillicaudatus or grass carp , the results of the experiments are as follows : the primary cell culture of the kidney tissue derived from allotetroploid crucian carp was carried out using tissue adherent culture , the primary observations of the growth conditions and morphology of the primary culture and subculture cells which originally come from the kidney tissue were also made 本文主要从鱼类种质保存的目的出发，一方面以四倍体鲫鲤鱼为材料，对四倍体鲫鲤鱼肾脏组织进行初步培养，为建立相应细胞库及下一步培养冻存的鱼类胚胎细胞奠定基础；另一方面，以鱼类组织细胞培养技术为基础，泥鳅胚胎细胞为材料，对鱼类胚胎细胞冻存培养方法进行初步研究，并应用该技术方法对草鱼早期胚胎细胞进行冻存培养实验。报告如下：本文用组织贴壁法对四倍体鲫鲤鱼肾组织进行原代、传代培养。
These observations appear , in theory , to suggest that life - threatening cancer progression could be indefinitely avoided by the roughly decadal reseeding of all our stem cell pools with autologous ones that had been engineered ex vivo to lack the genes for telomerase or alt , but to have long telomeres 在理论上，这些观察显然提示了，威胁生命的癌症进展可以被无限期地避免，办法是大约10年就用自身干细胞来种植一次我们的全部干细胞库这些自身干细胞已在体外经过加工，使其缺乏端粒酶基因或alt基因、但有很长的端粒。
The quality of feeder layer is affected by a lot of factors , such as animal breed , culture medium , passages in vitro and experiment condition , etc . as to the production of feeder layer , there are a few reports about morphological and histologic change when of embryonic body fibroblast when culturing in vitro and cryopreservation , so kunming mouse were chosen as experimental animals and morphological and histologic changes were studied in course of its embryonic body culturing . we expect to offer theoretical foundation to our laboratory for setting up feeder layer storehouse . at the same time , the feasibility of myocardium tissue culturing with fibroblast layer altogether was studied so that established foundation for studied the biological characteristic of heart outside body 小鼠胚体成纤维细胞的培养是制备饲养层的重要途径，其制备、传代及冷冻保存均有不同的研究报道，饲养层的质量受许多因素的影响，如动物的品种、培养液、所传代数及实验条件等，关于饲养层制备过程中的胚体细胞培养、传代、冷冻后的细胞形态、组织学等方面的研究报道很少，故本实验以昆明小白鼠为实验动物，研究其胚体培养过程中细胞的形态学、组织学等方面的变化，以期为本实验室建立饲养层细胞库提供理论依据，同时探讨心肌细胞和成纤维细胞层共培养的可行性，以期为心脏生物学特性的体外研究奠定基础。
