Glycogen synthase kinase-3 beta

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GSK3B
)
GSK3B
Gene ontology
Molecular function
Cellular component
Biological process
Sources:Amigo / QuickGO
Ensembl
UniProt
RefSeq (mRNA)

NM_001146156
NM_002093
NM_001354596

NM_019827
NM_001347232

RefSeq (protein)

NP_001139628
NP_002084
NP_001341525

NP_001334161
NP_062801

Location (UCSC)Chr 3: 119.82 – 120.09 MbChr 16: 37.91 – 38.07 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Glycogen synthase kinase-3 beta, (GSK-3 beta), is an enzyme that in humans is encoded by the GSK3B gene.[5][6] In mice, the enzyme is encoded by the Gsk3b gene.[7] Abnormal regulation and expression of GSK-3 beta is associated with an increased susceptibility towards bipolar disorder.[8]

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.[5] GSK3B is involved in energy metabolism, neuronal cell development, and body pattern formation.[9][10] 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.[7] This lethality phenotype could be rescued by inhibition of tumor necrosis factor.[7]

Two SNPs at this gene, rs334558 (-50T/C) and rs3755557 (-1727A/T), are associated with efficacy of lithium treatment in bipolar disorder.[11]

Signaling pathways

Pharmacological inhibition of ERK1/2 restores GSK-3 beta activity and protein synthesis levels in a model of tuberous sclerosis.[12]

Interactions

GSK3B has been shown to

interact
with:

Overview of signal transduction pathways involved in apoptosis.

See also

  • Glycogen synthase kinase 3

References

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000082701Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000022812Ensembl, May 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
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    PMID 7980435
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  10. ^ "Entrez Gene: GSK3B glycogen synthase kinase 3 beta".
  11. PMID 24992082
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  13. ^ EMBL-EBI. "EMBL European Bioinformatics Institute". www.ebi.ac.uk. Retrieved 2017-04-26. {{cite web}}: Check |url= value (help)
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    PMID 12147701
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Further reading

External links

  • PDBe-KB provides an overview of all the structure information available in the PDB for Human Glycogen synthase kinase-3 beta (GSK3B)
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