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ｃＡＭＰ反应序列结合蛋白（ｃＡＭＰ－ｒｅｓｐｏｎｓｉｖｅｅｌｅｍｅｎｔｂｉｎｄｉｎｇｐｒｏｔｅｉｎ，ＣＲＥＢ）经磷酸化激活后，可参与ｃＡＭＰ诱导的多种靶基因的转录调控。新近研究表明，ＣＲＥＢ的转录调节作用可能是通过ＣＲＥＢ结合蛋白（ＣＲＥＢ－ｂｉｎｄｉｎｇｐｒｏｔｅｉｎ，ＣＢＰ）实现的。在神经系统中，ＣＲＥＢ可能介导神经递质诱导的基因表达，并能通过放大神经营养因子的信号，参与神经细胞增殖、分化、存活等生物效应。
After phosphorylation of cAMP-responsive element binding protein (CREB), it is involved in the transcriptional regulation of various target genes induced by cAMP. Recent studies have shown that CREB transcriptional regulation may be through the CREB binding protein (CREB-bindingprotein, CBP) to achieve. In the nervous system, CREB may mediate neurotransmitter-induced gene expression and may participate in the biological effects of proliferation, differentiation and survival of nerve cells by amplifying signals of neurotrophic factors.