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IGFBP4
Available structures
PDB	Ortholog search: PDBe RCSB
List of PDB id codes
	1WQJ, 2DSP, 2DSQ, 2DSR
Identifiers
Aliases	IGFBP4, BP-4, HT29-IGFBP, IBP4, IGFBP-4, insulin like growth factor binding protein 4
External IDs	OMIM: 146733; MGI: 96439; HomoloGene: 1192; GeneCards: IGFBP4; OMA:IGFBP4 - orthologs
Gene location (Human)
Chr.	Chromosome 17 (human)
End	40,457,725 bp
Gene location (Mouse)
Chr.	Chromosome 11 (mouse)
End	98,945,218 bp
RNA expression pattern
	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
	More reference expression data
Gene ontology
Molecular function	insulin-like growth factor I binding; insulin-like growth factor II binding; signaling receptor binding; insulin-like growth factor binding; growth factor binding; protein binding;
Cellular component	extracellular region; extracellular space; endoplasmic reticulum lumen;
Biological process	skeletal system development; regulation of growth; DNA metabolic process; regulation of insulin-like growth factor receptor signaling pathway; regulation of glucose metabolic process; cell population proliferation; inflammatory response; positive regulation of insulin-like growth factor receptor signaling pathway; type B pancreatic cell proliferation; negative regulation of canonical Wnt signaling pathway; regulation of cell growth; signal transduction; positive regulation of MAPK cascade; post-translational protein modification;
	Sources:Amigo / QuickGO
Orthologs
	3487
	16010
	ENSG00000141753
	ENSMUSG00000017493
	P22692
	P47879
	NM_001552
	NM_010517
	NP_001543
	NP_034647
	Wikidata
View/Edit Human	View/Edit Mouse

Insulin-like growth factor-binding protein 4 is a protein that in humans is encoded by the IGFBP4 gene.^[5]^[6]^[7]

Function

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

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

IGFBP4 has been shown to interact with Insulin-like growth factor 1 and 2.^[10]^[11]

References

^ ^a ^b ^c GRCh38: Ensembl release 89: ENSG00000141753 – Ensembl, May 2017
^ ^a ^b ^c GRCm38: Ensembl release 89: ENSMUSG00000017493 – Ensembl, May 2017
^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^ 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.
^ 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.
^ 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.
^ "Entrez Gene: IGFBP4 insulin-like growth factor binding protein 4".
^ 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.
^ 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.
^ 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.

Rajaram S, Baylink DJ, Mohan S (1998). "Insulin-like growth factor-binding proteins in serum and other biological fluids: regulation and functions". Endocr. Rev. 18 (6): 801–31. doi:10.1210/edrv.18.6.0321. PMID 9408744.
Zhou R, Diehl D, Hoeflich A, Lahm H, Wolf E (2003). "IGF-binding protein-4: biochemical characteristics and functional consequences". J. Endocrinol. 178 (2): 177–93. doi:10.1677/joe.0.1780177. PMID 12904166.
Durai R, Davies M, Yang W, Yang SY, Seifalian A, Goldspink G, Winslet M (2006). "Biology of insulin-like growth factor binding protein-4 and its role in cancer (review)". Int. J. Oncol. 28 (6): 1317–25. doi:10.3892/ijo.28.6.1317. PMID 16685432.
Giudice LC, Dsupin BA, Irwin JC, Eckert RL (1992). "Identification of insulin-like growth factor binding proteins in human oviduct". Fertil. Steril. 57 (2): 294–301. doi:10.1016/S0015-0282(16)54833-X. PMID 1370941.
Bajalica S, Allander SV, Ehrenborg E, Brøndum-Nielsen K, Luthman H, Larsson C (1992). "Localization of the human insulin-like growth-factor-binding protein 4 gene to chromosomal region 17q12-21.1". Hum. Genet. 89 (2): 234–6. doi:10.1007/BF00217129. PMID 1375185. S2CID 22341448.
Kiefer MC, Schmid C, Waldvogel M, Schläpfer I, Futo E, Masiarz FR, Green K, Barr PJ, Zapf J (1992). "Characterization of recombinant human insulin-like growth factor binding proteins 4, 5, and 6 produced in yeast". J. Biol. Chem. 267 (18): 12692–9. doi:10.1016/S0021-9258(18)42332-0. PMID 1377672.
Zhou J, Bondy C (1992). "Insulin-like growth factor-II and its binding proteins in placental development". Endocrinology. 131 (3): 1230–40. doi:10.1210/en.131.3.1230. PMID 1380437.
Kiefer MC, Masiarz FR, Bauer DM, Zapf J (1991). "Identification and molecular cloning of two new 30-kDa insulin-like growth factor binding proteins isolated from adult human serum". J. Biol. Chem. 266 (14): 9043–9. doi:10.1016/S0021-9258(18)31549-7. PMID 1709161.
Culouscou JM, Shoyab M (1991). "Purification of a colon cancer cell growth inhibitor and its identification as an insulin-like growth factor binding protein". Cancer Res. 51 (11): 2813–9. PMID 1709585.
Tonin P, Ehrenborg E, Lenoir G, Feunteun J, Lynch H, Morgan K, Zazzi H, Vivier A, Pollak M, Huynh H (1994). "The human insulin-like growth factor-binding protein 4 gene maps to chromosome region 17q12-q21.1 and is close to the gene for hereditary breast-ovarian cancer". Genomics. 18 (2): 414–7. doi:10.1006/geno.1993.1487. PMID 7507078.
Ilvesmäki V, Blum WF, Voutilainen R (1994). "Insulin-like growth factor binding proteins in the human adrenal gland". Mol. Cell. Endocrinol. 97 (1–2): 71–9. doi:10.1016/0303-7207(93)90212-3. PMID 7511544. S2CID 22503525.
Zhou J, Bondy C (1993). "Anatomy of the human ovarian insulin-like growth factor system". Biol. Reprod. 48 (3): 467–82. doi:10.1095/biolreprod48.3.467. PMID 7680905.
Conover CA, Clarkson JT, Bale LK (1993). "Phorbol ester tumor promoters regulate insulin-like growth factor-binding protein-4 proteolysis". Endocrinology. 133 (3): 1347–51. doi:10.1210/endo.133.3.7689953. PMID 7689953.
Fridell RA, Harding LS, Bogerd HP, Cullen BR (1995). "Identification of a novel human zinc finger protein that specifically interacts with the activation domain of lentiviral Tat proteins". Virology. 209 (2): 347–57. doi:10.1006/viro.1995.1266. PMID 7778269.
Batch JA, Mercuri FA, Werther GA (1996). "Identification and localization of insulin-like growth factor-binding protein (IGFBP) messenger RNAs in human hair follicle dermal papilla". J. Invest. Dermatol. 106 (3): 471–5. doi:10.1111/1523-1747.ep12343649. PMID 8648179.
Bonaldo MF, Lennon G, Soares MB (1997). "Normalization and subtraction: two approaches to facilitate gene discovery". Genome Res. 6 (9): 791–806. doi:10.1101/gr.6.9.791. PMID 8889548.
Han VK, Matsell DG, Delhanty PJ, Hill DJ, Shimasaki S, Nygard K (1996). "IGF-binding protein mRNAs in the human fetus: tissue and cellular distribution of developmental expression". Horm. Res. 45 (3–5): 160–6. doi:10.1159/000184780. PMID 8964576.
Di Battista JA, Doré S, Morin N, He Y, Pelletier JP, Martel-Pelletier J (1997). "Prostaglandin E2 stimulates insulin-like growth factor binding protein-4 expression and synthesis in cultured human articular chondrocytes: possible mediation by Ca(++)-calmodulin regulated processes". J. Cell. Biochem. 65 (3): 408–19. doi:10.1002/(SICI)1097-4644(19970601)65:3<408::AID-JCB10>3.0.CO;2-B. PMID 9138096. S2CID 9142234.