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Bone morphogenetic proteins, members of the TGFβ(transforming growth factor-β) superfamily, play important roles in gastrulation and neurulation during embryonic period.

骨骼型态发生蛋白质(bone morphogenetic proteins， BMPs)是转型生长因子β族(transforming growth factor-β，TGF-β)的一员，其在胚胎时期的原肠胚形成及经轴胚形成过程中扮演重要角色。

Furthermore, couples of molecules, including Scl, Flk1 and Runx1, are involved in formation and subsequent differentiation of the hemangioblast or hemogenic endothelium during embryonic hematopoiesis.

造血和血管内皮相关分子的表达和调控作用的研究，不仅体现了造血和内皮在发育中的密切关系，同时也加深了对造血发育调控的认识。

The shortage of this way was that feeder cells could be passaged together with hESCConclusion HAFi could replace MEF as feeder layer to support the long-term culture oftwo Chinese human embryonic stem cell lines. This could remove the cells of animal originand heterogenetic pollution in the culture system. It also reduced the culture of primarycells and solved the instability caused by different batches of primary cells.

结论HAFi细胞可以用做两株中国人胚胎干细胞培养的饲养层，取代MEF后解决了动物源性细胞混杂和异源污染问题，省却了饲养层原代细胞的培养步骤同时解决了由不同批次饲养层差异带来的培养体系的不稳定。

Objective To observe the development of mouse kidney in vitro at embryonic day 12、14、16 and postnatal day 1, and compare with the development of homeochronous kidney in vivo.

目的 观察胚龄12、14、16、以及生后1天的肾组织体外培养的发育情况，与同期在体发育进行比较，探讨肾组织体外培养的胚龄选择。

Bioinformatics Analysis of Silkworm Development-Related Genes According to sequence homology, homologous genes for 86 genes participating in embryonic development genetic hierarchy of Drosaphila were searched in silkworm genome, including 43 maternal genes, 12 gap genes, 9 pair rule genes, 13 segment polarity genes and 9 homeotic genes. Results show that all but 6 maternal genes have the homologues in silkworm genome and some of them have high similarity.

家蚕发育相关基因的生物信息学分析基于序列的相似性，在家蚕基因组数据中检索参与果蝇胚胎发育调控级联的86个重要基因的同源基因，结果表明，除6个母性基因在家蚕中没有找出同源基因外，其余基因在家蚕中均存在同源基因，并且其中一部分具有相当高的相似性。

During embryonic development, Hox proteins can interact with different cofactors and regulate downstream gene expression in a tissue specific manner.

在胚胎发育过程中，Hox蛋白实现时间特异性及组织特异性基因表达调控功能的机制之一是与不同的辅助因子相结合。

Protein moleculars interacted with Plk1 were screened with yeast two hybridation system, Plk1 cDNA was amplified from total RNA of murine embryonic stem cells by RT-PCR.

我们选择了实验室现有的小鼠胚胎干细胞cDNA文库作为基础，首先利用RT-PCR方法获得了小鼠Plk1基因。

Since same symptome have common clinical manifestation and pathomechanism, then they have common material foundation, but this material probably concerned with gene or genome. The essence in kidney which come from essential substance for reproduction of the parents, is the hyle of embryonic development, it identity with DNA in modern medicine.

中医&证&是疾病发生过程中不同阶段病因病机的高度概括，既然同一证有共同的临床表现和病理机制，那么其肯定有共同的物质基础，而这种物质基础很有可能反应在基因或基因组水平上。

Parasitic wasps in the two post-embryonic development, the young bee body protein content is increasing day by day, parasitized the same time, David Bee Ichneumonidae protein accumulation to be significantly higher than gifuensis David Bee, and the growth rate of the former significantly larger than the latter.

在两种寄生蜂胚后发育的过程中，幼蜂体内蛋白含量均是逐日增加的，寄生后相同的时间内姬蜂幼蜂蛋白积累要明显高于茧蜂幼蜂，且前者的增长速率也明显大于后者。

Because lines of stem cells created in this way have only one parent, they are immunologically simpler than normal embryonic cells—in other words they have a smaller variety of the proteins that trigger rejection.

因为这种方式产生的干细胞系列只有一个起源，它的免疫原性就弱于正常的胚胎细胞---换言之他们有更少触发抵抗的蛋白质多样性。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。