MicroRNA expression during chick embryo development
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چکیده
منابع مشابه
Early and dynamic expression of cSfrp1 during chick embryo development
Secreted frizzled related proteins (SFRPs) are a new class of signalling molecules that appear to antagonise the activity of the Wnt proteins. Here we report the dynamic expression pattern of cSfrp1, a new member of this family, at early stages of chick embryo development. cSfrp1 transcripts are first detected at pre-streak stages throughout the chick blastula but, during early primitive streak...
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CD44, the major cell-surface receptor for hyaluronate, is expressed on many cell types to mediate different functions including cell activation, homing and adhesion. The early pattern of CD44 expression was determined in the avian embryo by using a specific monoclonal antibody in whole-mount and tissue sections. CD44 was first expressed on cephalic neural fold cells and later on by subpopulatio...
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Fibroblast growth factor 4 (Fgf4) has been implicated as a regulator of mesoderm formation, posteriorisation, neural induction and neural patterning. Much of the evidence for this derives from studies in which exogenous FGF4 is applied to avian embryos. We have therefore examined expression of endogenous Fgf4 mRNA in the developing chick embryo at stages when these processes are occurring. Expr...
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Eight d (8d) and 16d (16d) chick embryo fibroblasts (CEF) exhibited marked differences in their adhesive capacity on plastic support, but not on fibronectin substratum. This suggests differences in fibronectin (FN) expression and/or FN receptor expression. Both 8d and 16d CEF expressed an identical number of membrane receptors for FN with similar affinity. In contrast, the newly synthesized FN ...
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The chemical changes occurring during embryonic development have been studied by several workers (l-3). In the hen’s egg there is very little nucleic acid present, whereas a considerable synthesis of both desoxypentose nucleic acid (DNA) and ribose nucleic acid (RNA) occurs in the embryo (4-6). Recently, methods for the determination of purines and pyrimidines in small amounts of tissue have be...
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ژورنال
عنوان ژورنال: Developmental Dynamics
سال: 2006
ISSN: 1058-8388,1097-0177
DOI: 10.1002/dvdy.20956