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IGFBP4

From Wikipedia, the free encyclopedia
Protein-coding gene in the species Homo sapiens
IGFBP4
Available structures
PDBOrtholog search:PDBeRCSB
List of PDB id codes

1WQJ,2DSP,2DSQ,2DSR

Identifiers
AliasesIGFBP4, BP-4, HT29-IGFBP, IBP4, IGFBP-4, insulin like growth factor binding protein 4
External IDsOMIM:146733;MGI:96439;HomoloGene:1192;GeneCards:IGFBP4;OMA:IGFBP4 - orthologs
Gene location (Human)
Chromosome 17 (human)
Chr.Chromosome 17 (human)[1]
Chromosome 17 (human)
Genomic location for IGFBP4
Genomic location for IGFBP4
Band17q21.2Start40,443,450bp[1]
End40,457,725bp[1]
Gene location (Mouse)
Chromosome 11 (mouse)
Chr.Chromosome 11 (mouse)[2]
Chromosome 11 (mouse)
Genomic location for IGFBP4
Genomic location for IGFBP4
Band11|11 DStart98,932,070bp[2]
End98,945,218bp[2]
RNA expression pattern
Bgee
HumanMouse (ortholog)
Top expressed in
  • stromal cell of endometrium

  • decidua

  • right ovary

  • left ovary

  • left uterine tube

  • right lobe of liver

  • right lobe of thyroid gland

  • canal of the cervix

  • body of uterus

  • smooth muscle tissue
Top expressed in
  • external carotid artery

  • internal carotid artery

  • Gonadal ridge

  • calvaria

  • aortic valve

  • ascending aorta

  • vestibular sensory epithelium

  • molar

  • atrium

  • tunica adventitia of aorta
More reference expression data
BioGPS
More reference expression data
Gene ontology
Molecular function
Cellular component
Biological process
Sources:Amigo /QuickGO
Orthologs
SpeciesHumanMouse
Entrez

3487

16010

Ensembl

ENSG00000141753

ENSMUSG00000017493

UniProt

P22692

P47879

RefSeq (mRNA)

NM_001552

NM_010517

RefSeq (protein)

NP_001543

NP_034647

Location (UCSC)Chr 17: 40.44 – 40.46 MbChr 11: 98.93 – 98.95 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Insulin-like growth factor-binding protein 4 is aprotein that in humans is encoded by theIGFBP4gene.[5][6][7]

Function

[edit]

This gene is a member of the insulin-like growth factor binding protein (IGFBP) family and encodes a protein with an IGFBP domain and a thyroglobulin type-I domain. The protein binds both insulin-like growth factors (IGFs) I and II and circulates in the plasma in both glycosylated and non-glycosylated forms. Binding of this protein prolongs the half-life of the IGFs and alters their interaction with cell surface receptors.[8]IGFBP-4 is a unique protein and it consistently inhibits several cancer cells in vivo and in vitro. Its inhibitory action has been shown in vivo in prostate and colon. It is secreted by all colon cancer cells.

Clinical significance

[edit]

The protein itself does not prevent the formation of cancer.[9] However it may reduce the growth of cancer and act as an apoptotic factor.

Interactions

[edit]

IGFBP4 has been shown tointeract withInsulin-like growth factor 1 and2.[10][11]

References

[edit]
  1. ^abcGRCh38: Ensembl release 89: ENSG00000141753Ensembl, May 2017
  2. ^abcGRCm38: Ensembl release 89: ENSMUSG00000017493Ensembl, 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.
  5. ^LaTour D, Mohan S, Linkhart TA, Baylink DJ, Strong DD (May 1991). "Inhibitory insulin-like growth factor-binding protein: cloning, complete sequence, and physiological regulation".Mol Endocrinol.4 (12):1806–14.doi:10.1210/mend-4-12-1806.PMID 1707125.S2CID 26393652.
  6. ^Shimasaki S, Uchiyama F, Shimonaka M, Ling N (Mar 1991)."Molecular cloning of the cDNAs encoding a novel insulin-like growth factor-binding protein from rat and human".Mol Endocrinol.4 (10):1451–8.doi:10.1210/mend-4-10-1451.PMID 1704481.
  7. ^Zazzi H, Nikoshkov A, Hall K, Luthman H (1998). "Structure and transcription regulation of the human insulin-like growth factor binding protein 4 gene (IGFBP4)".Genomics.49 (3):401–10.doi:10.1006/geno.1998.5283.PMID 9615225.
  8. ^"Entrez Gene: IGFBP4 insulin-like growth factor binding protein 4".
  9. ^Durai R, Yang SY, Seifalian AM, Goldspink G, Winslet MC (2007)."Role of insulin-like growth factor binding protein-4 in prevention of colon cancer".World J Surg Oncol.5: 128.doi:10.1186/1477-7819-5-128.PMC 2203999.PMID 17988381.
  10. ^Bach LA, Hsieh S, Sakano K, Fujiwara H, Perdue JF, Rechler MM (May 1993)."Binding of mutants of human insulin-like growth factor II to insulin-like growth factor binding proteins 1-6".J. Biol. Chem.268 (13):9246–54.doi:10.1016/S0021-9258(18)98342-0.PMID 7683646.
  11. ^Qin X, Strong DD, Baylink DJ, Mohan S (Sep 1998)."Structure-function analysis of the human insulin-like growth factor binding protein-4".J. Biol. Chem.273 (36):23509–16.doi:10.1074/jbc.273.36.23509.PMID 9722589.

Further reading

[edit]
PDB gallery
  • 1wqj: Structural Basis for the Regulation of Insulin-Like Growth Factors (IGFs) by IGF Binding Proteins (IGFBPs)
    1wqj: Structural Basis for the Regulation of Insulin-Like Growth Factors (IGFs) by IGF Binding Proteins (IGFBPs)
  • 2dsp: Structural Basis for the Inhibition of Insulin-like Growth Factors by IGF Binding Proteins
    2dsp: Structural Basis for the Inhibition of Insulin-like Growth Factors by IGF Binding Proteins
  • 2dsq: Structural Basis for the Inhibition of Insulin-like Growth Factors by IGF Binding Proteins
    2dsq: Structural Basis for the Inhibition of Insulin-like Growth Factors by IGF Binding Proteins
  • 2dsr: Structural Basis for the Inhibition of Insulin-like Growth Factors by IGF Binding Proteins
    2dsr: Structural Basis for the Inhibition of Insulin-like Growth Factors by IGF Binding Proteins
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