Glypican 1

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GPC1
4acr.png
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesGPC1, glypican, Glypican 1
External IDsOMIM: 600395 MGI: 1194891 HomoloGene: 20477 GeneCards: GPC1
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_002081

NM_016696

RefSeq (protein)

NP_002072

NP_057905

Location (UCSC)Chr 2: 240.44 – 240.47 MbChr 1: 92.83 – 92.86 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Glypican-1 (GPC1) is a protein that in humans is encoded by the GPC1 gene.[5][6] GPC1 is encoded by human GPC1 gene located at 2q37.3.[7] GPC1 contains 558 amino acids with three predicted heparan sulfate chains.[7]

Function[]

Cell surface heparan sulfate proteoglycans are composed of a membrane-associated protein core substituted with three heparan sulfate chains.[7] Members of the glypican-related integral membrane proteoglycan family (GRIPS) contain a core protein anchored to the cytoplasmic membrane via a glycosyl phosphatidylinositol linkage. These proteins may play a role in the control of cell division and growth regulation.[6]

Interactions[]

Glypican 1 has been shown to interact with SLIT2.[8]

Clinical significance[]

This protein is involved in the misfolding of normal prion proteins in the cell membrane to the infectious prion form.[9]

In 2015 it was reported that the presence of this protein in exosomes in patients' blood is able to detect early pancreatic cancer with absolute specificity and sensitivity.[10] However this conclusion is disputed.[11] and in more recent overviews of potential markers for pancreatic cancer, Glypican 1 is not mentioned.[12][13]

GPC1 has been evaluated as a potential target for cancer therapy,[7] including antibody-drug conjugates,[14] CAR-T cell therapy,[15][16][17] radiotherapy[18] and bispecific T cell engager[19] in preclinical studies.  

See also[]

References[]

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000063660 - Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000034220 - Ensembl, 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. ^ Vermeesch JR, Mertens G, David G, Marynen P (January 1995). "Assignment of the human glypican gene (GPC1) to 2q35-q37 by fluorescence in situ hybridization". Genomics. 25 (1): 327–9. doi:10.1016/0888-7543(95)80152-C. PMID 7774946.
  6. ^ a b "Entrez Gene: GPC1 glypican 1".
  7. ^ a b c d Pan J, Ho M (September 2021). "The Role of Glypican-1 in Regulating Multiple Cellular Signaling Pathways". American Journal of Physiology. Cell Physiology. doi:10.1152/ajpcell.00290.2021. PMID 34550795.
  8. ^ Ronca F, Andersen JS, Paech V, Margolis RU (August 2001). "Characterization of Slit protein interactions with glypican-1". The Journal of Biological Chemistry. 276 (31): 29141–7. doi:10.1074/jbc.M100240200. PMID 11375980.
  9. ^ Taylor DR, Whitehouse IJ, Hooper NM (November 2009). "Glypican-1 mediates both prion protein lipid raft association and disease isoform formation". PLoS Pathogens. 5 (11): e1000666. doi:10.1371/journal.ppat.1000666. PMC 2773931. PMID 19936054.
  10. ^ Melo SA, Luecke LB, Kahlert C, Fernandez AF, Gammon ST, Kaye J, et al. (July 2015). "Glypican-1 identifies cancer exosomes and detects early pancreatic cancer". Nature. 523 (7559): 177–82. Bibcode:2015Natur.523..177M. doi:10.1038/nature14581. PMC 4825698. PMID 26106858.
  11. ^ Discussions at www.pubpeer.com; https://pubpeer.com/publications/70714D8ACB8F13164A2752B4335F38#fb119888
  12. ^ Balasenthil S, Huang Y, Liu S, Marsh T, Chen J, Stass SA, et al. (August 2017). "A Plasma Biomarker Panel to Identify Surgically Resectable Early-Stage Pancreatic Cancer". Journal of the National Cancer Institute. 109 (8). doi:10.1093/jnci/djw341. PMC 6059209. PMID 28376184.
  13. ^ Chang JC, Kundranda M (March 2017). "Novel Diagnostic and Predictive Biomarkers in Pancreatic Adenocarcinoma". International Journal of Molecular Sciences. 18 (3): 667. doi:10.3390/ijms18030667. PMC 5372679. PMID 28335509.
  14. ^ Matsuzaki S, Serada S, Hiramatsu K, Nojima S, Matsuzaki S, Ueda Y, et al. (March 2018). "Anti-glypican-1 antibody-drug conjugate exhibits potent preclinical antitumor activity against glypican-1 positive uterine cervical cancer". International Journal of Cancer. 142 (5): 1056–1066. doi:10.1002/ijc.31124. PMID 29055044.
  15. ^ Li N, Li D, Ren H, Torres M, Ho M (2019-07-01). "Abstract 2309: Chimeric antigen receptor T-cell therapy targeting glypican-1 in pancreatic cancer". Immunology. American Association for Cancer Research. doi:10.1158/1538-7445.am2019-2309.
  16. ^ Kato D, Yaguchi T, Iwata T, Katoh Y, Morii K, Tsubota K, et al. (March 2020). "GPC1 specific CAR-T cells eradicate established solid tumor without adverse effects and synergize with anti-PD-1 Ab". eLife. 9. doi:10.7554/eLife.49392. PMC 7108862. PMID 32228854.
  17. ^ Honjo T, Settleman J, eds. (2019-09-05). "Decision letter: GPC1 specific CAR-T cells eradicate established solid tumor without adverse effects and synergize with anti-PD-1 Ab". doi:10.7554/elife.49392.sa1. {{cite journal}}: Cite journal requires |journal= (help)
  18. ^ Yeh MC, Tse BW, Fletcher NL, Houston ZH, Lund M, Volpert M, et al. (May 2020). "Targeted beta therapy of prostate cancer with 177Lu-labelled Miltuximab® antibody against glypican-1 (GPC-1)". EJNMMI Research. 10 (1): 46. doi:10.1186/s13550-020-00637-x. PMC 7206480. PMID 32382920.
  19. ^ Lund ME, Howard CB, Thurecht KJ, Campbell DH, Mahler SM, Walsh BJ (December 2020). "A bispecific T cell engager targeting Glypican-1 redirects T cell cytolytic activity to kill prostate cancer cells". BMC Cancer. 20 (1): 1214. doi:10.1186/s12885-020-07562-1. PMC 7727117. PMID 33302918.

Further reading[]

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