Expression of TGFβ3 RNA during chick embryogenesis: a possible important role in cardiovascular development

Expression of TGFβ3 RNA during chick embryogenesis: a possible important role in cardiovascular development
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鸡胚胎发生过程中 TGFβ3 RNA 的表达:在心血管发育中可能发挥重要作用

DOI:
10.1007/s004419900073
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发表时间:
1999
影响因子:
3.6
通讯作者:
Hiroaki Nakamura
Hiroaki Nakamura
中科院分区:
生物学3区
文献类型:
--
作者:
T. Yamagishi;Y. Nakajima;Hiroaki Nakamura

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抽象。采用原位杂交技术研究了转化生长因子β3(TGF-β3)RNA在鸡胚发育6 ~ 33期(Hamburger和汉密尔顿分级)的时空表达规律。在心脏发生过程中,TGFβ3 mRNA首先在8期的前心肌中表达,随后在内膜垫组织和心室肌中表达,直至胚胎发育结束。在大动脉形成过程中,TGFβ3的mRNA在平滑肌祖细胞中被发现,但在内皮细胞中没有。此外,TGFβ3 mRNA在各种中胚层来源的组织中可检测到,如脊索、肌节、胸膜、腹膜、肢体中的间充质细胞和发育中的骨。这些结果表明,TGFβ3在鸡胚心血管系统和其他中胚层衍生物的发育中起重要作用。
Abstract. We examined the temporal and spatial expression pattern of transforming growth factor (TGF)-β3 RNA during chick embryogenesis from stage 6 to stage 33 (Hamburger and Hamilton scale) by using in situ hybridization. During cardiogenesis, TGFβ3 mRNA was first expressed in the premyocardium at stage 8 and thereafter it was localized in endocardial cushion tissue and the ventricular myocardium until the end of embryogenesis. During the formation of the major arteries, mRNA for TGFβ3 was found in smooth muscle progenitor cells, but not in endothelium. In addition, TGFβ3 mRNA was detectable in various mesoderm-derived tissues, such as the notochord, myotome, pleura, peritoneum, mesenchymal cells in the limb, and developing bone. These results suggest that TGFβ3 plays an important role in the development of the cardiovascular system and of other mesodermal derivatives during chicken embryogenesis.
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发表时间: 1998
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影响因子: 4.6
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