Developmental gene expression patterns in the brain and liver of Xenopus tropicalis during metamorphosis climax
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چکیده
منابع مشابه
the effect of e-64 on the developmental competence of sheep cocs during in vitro maturation
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Developmental expression patterns of Tbx1, Tbx2, Tbx5, and Tbx20 in Xenopus tropicalis.
T-box genes have diverse functions during embryogenesis and are implicated in several human congenital disorders. Here, we report the identification, sequence analysis, and developmental expression patterns of four members of the T-box gene family in the diploid frog Xenopus tropicalis. These four genes-Tbx1, Tbx2, Tbx5, and Tbx20-have been shown to influence cardiac development in a variety of...
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Corticosteroids, the primary circulating vertebrate stress hormones, are known to potentiate the actions of thyroid hormone in amphibian metamorphosis. Environmental modulation of the production of stress hormones may be one way that tadpoles respond to variation in their larval habitat, and thus control the timing of metamorphosis. Thyroid hormone and corticosteroids act through structurally s...
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Several hypotheses have been proposed to explain the increase and sustained expression of pituitary thyrotropin (TSH) in the presence of elevated plasma thyroid hormone (TH) concentrations at metamorphic climax in amphibians. It has been proposed that the negative feedback of TH on TSH is inoperative until metamorphic climax, and that it is established at this time by the upregulation of pituit...
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A characteristic feature of the obligatory control of amphibian metamorphosis by thyroid hormones is the early acquisition of response of tadpole tissues to these hormones well before the latter are secreted, with 'exponentially' increasing hormonal sensitivity upon the onset of metamorphosis. We have therefore analyzed the expression of the two thyroid hormone receptor genes (TR alpha and beta...
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ژورنال
عنوان ژورنال: Genes to Cells
سال: 2018
ISSN: 1356-9597,1365-2443
DOI: 10.1111/gtc.12647