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Gene Review

Pde3b  -  phosphodiesterase 3B, cGMP-inhibited

Mus musculus

Synonyms: 9830102A01Rik, AI847709, CGI-PDE B, CGIPDE1, Cyclic GMP-inhibited phosphodiesterase B, ...
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High impact information on Pde3b

  • Importance of cAMP-response element-binding protein in regulation of expression of the murine cyclic nucleotide phosphodiesterase 3B (Pde3b) gene in differentiating 3T3-L1 preadipocytes [1].
  • Real time PCR and immunoblotting indicated that in 3T3-L1 preadipocytes, IBMX-stimulated induction of Pde3b mRNA and protein was markedly inhibited by dominant-negative CREB proteins [1].
  • Incubation of 3T3-L1 preadipocytes with isobutylmethylxanthine (IBMX), dexamethasone, and insulin, alone or in combination, demonstrated that IBMX, which increased cAMP-response element-binding protein (CREB) phosphorylation, was the predominant regulator of Pde3b expression [1].
  • These results indicate that CRE in distal and proximal promoter regions and activation of CREB proteins play a crucial role in transcriptional regulation of Pde3b expression during preadipocyte differentiation [1].
  • Psma1 was mapped to mouse chromosome 7 using the interspecific backcross DNA panels from The Jackson Laboratory. Additional mapping studies showed that the mouse genes Psma1 and Pde3b are closely linked, residing between cM 53 and 53.3 in a region syntenic to human chromosome 11p15 [2].

Biological context of Pde3b

  • The mouse Psma1 gene coding for the alpha-type C2 proteasome subunit: structural and functional analysis, mapping, and colocalization with Pde3b on mouse chromosome 7 [2].


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