alexa Comparative analysis of the genetic structure and chromosomal mapping of the murine Gadd45g CR6 gene.
Diabetes & Endocrinology

Diabetes & Endocrinology

Endocrinology & Metabolic Syndrome

Author(s): Balliet AG, Hollander MC, Fornace AJ Jr, Hoffman B, Liebermann DA

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Abstract Gadd45g/CR6, Gadd45b/MyD118, and Gadd45a/Gadd45 are members of a gene family that displays distinct patterns of gene expression in response to stimuli that induce differentiation, growth arrest, and/or apoptosis. All three of these highly conserved proteins interact with a number of critical cell cycle and cell survival regulatory proteins such as PCNA, p21(WAF1/CIP1), CDK1 (cdc2-p34), and MTK1/MEKK4, and have been reported to influence the activity of the p38 and JNK kinases. Species-blot analysis showed that Gadd45g is an evolutionarily conserved gene and sequence analysis showed that Gadd45g has a gene structure conserved with that of other members of its gene family. A comparison of the putative transcription factor binding sites found in the sequences of the gene family members suggests, that like Gadd45b, NF-kappaB and STATs may be responsible for the differences in regulation of expression observed between Gadd45g and Gadd45a. Analysis of the Gadd45b/MyD118 promoter shows that there are three different enhanceosome-like regions that may allow cell-type specific responses to TGF-beta1 by the Gadd45b/MyD118 promoter. Fluorescent in situ hybridization (FISH) confirmed the localization of the Gadd45g gene to mouse chromosome band 13A5-B, which has been reported to contain a quantitative trait locus that regulates body weight in mice. This suggests that alleles of the Gadd45g gene may function in the regulation of body weight, in addition to its currently recognized roles in differentiation and stress responses. This article was published in DNA Cell Biol and referenced in Endocrinology & Metabolic Syndrome

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