Английская Википедия:Glycogen synthase kinase-3 beta
Шаблон:Short description Шаблон:Infobox gene Glycogen synthase kinase-3 beta, (GSK-3 beta), is an enzyme that in humans is encoded by the GSK3B gene.[1][2] In mice, the enzyme is encoded by the Gsk3b gene.[3] Abnormal regulation and expression of GSK-3 beta is associated with an increased susceptibility towards bipolar disorder.[4]
Function
Glycogen synthase kinase-3 (GSK-3) is a proline-directed serine-threonine kinase that was initially identified as a phosphorylating and an inactivating agent of glycogen synthase. Two isoforms, alpha (GSK3A) and beta, show a high degree of amino acid homology.[1] GSK3B is involved in energy metabolism, neuronal cell development, and body pattern formation.[5][6] It might be a new therapeutic target for ischemic stroke.
Disease relevance
Homozygous disruption of the Gsk3b locus in mice results in embryonic lethality during mid-gestation.[3] This lethality phenotype could be rescued by inhibition of tumor necrosis factor.[3]
Two SNPs at this gene, rs334558 (-50T/C) and rs3755557 (-1727A/T), are associated with efficacy of lithium treatment in bipolar disorder.[7]
Signaling pathways
Pharmacological inhibition of ERK1/2 restores GSK-3 beta activity and protein synthesis levels in a model of tuberous sclerosis.[8]
Interactions
GSK3B has been shown to interact with:
- AKAP11,[10]
- AXIN1,[11][12]
- AXIN2,[13][14]
- AR,[15]
- CTNNB1,[16][17]
- DNM1L,[18]
- MACF1[19]
- MUC1,[20][21]
- SMAD3[22]
- NOTCH1,[23]
- NOTCH2,[24]
- P53,[25]
- PRKAR2A,[10]
- SGK3,[26] and
- TSC2.[11][27]
See also
References
Further reading
- Шаблон:Cite journal
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External links
- PDBe-KB provides an overview of all the structure information available in the PDB for Human Glycogen synthase kinase-3 beta (GSK3B)
Шаблон:PDB Gallery Шаблон:Serine/threonine-specific protein kinases Шаблон:Enzymes Шаблон:Portal bar
- ↑ 1,0 1,1 Шаблон:Cite journal
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