Biology:Repulsive guidance molecule B

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Short description: Protein-coding gene in the species Homo sapiens


A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example

Repulsive guidance molecule B (RGMb), also known as DRAGON (DRG11-responsive axonal guidance and outgrowth of neurite), is a bone morphogenetic protein (BMP) co-receptor of the repulsive guidance molecule family.[1] In humans this protein is encoded by the RGMB gene.[2]

Function

RGMB is a glycosylphosphatidylinositol (GPI)-anchored member of the repulsive guidance molecule family (see also RGMA and RGMC) and contributes to the patterning of the developing nervous system.[3][4]

There is a potential association between RGMs and cancer bone metastasis, as RGMs coordinate bone morphogenetic protein (BMP) signaling. RGMB may act as a negative regulator in vitro in breast cancer and prostate cancer through BMP signalling.[5][6] Furthermore, aberrant expression of RGMs was indicated in breast cancer. The perturbed expression was associated with disease progression and poor prognosis.[7]

References

  1. Corradini, Elena; Babitt, Jodie L.; Lin, Herbert Y. (October 2009). "The RGM/DRAGON family of BMP co-receptors". Cytokine & Growth Factor Reviews 20 (5–6): 389–398. doi:10.1016/j.cytogfr.2009.10.008. PMID 19897400. 
  2. "Entrez Gene: RGM domain family". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=285704. 
  3. "DRAGON, a bone morphogenetic protein co-receptor". J. Biol. Chem. 280 (14): 14122–9. April 2005. doi:10.1074/jbc.M410034200. PMID 15671031. 
  4. "Molecular biology, genetics and biochemistry of the repulsive guidance molecule family". Biochem. J. 422 (3): 393–403. September 2009. doi:10.1042/BJ20090978. PMID 19698085. 
  5. "Repulsive guidance molecule B (RGMB) plays negative roles in breast cancer by coordinating BMP signaling". J Cell Biochem 113 (7): 2523–31. March 2012. doi:10.1002/jcb.24128. PMID 22415859. 
  6. "Repulsive guidance molecules, novel bone morphogenetic protein co-receptors, are key regulators of the growth and aggressiveness of prostate cancer cells". Int. J. Oncol. 40 (2): 544–50. February 2012. doi:10.3892/ijo.2011.1251. PMID 22076499. 
  7. "Potential prognostic value of repulsive guidance molecules in breast cancer". Anticancer Res. 31 (5): 1703–11. May 2011. PMID 21617229. 

Further reading

This article incorporates text from the United States National Library of Medicine, which is in the public domain.