REG3A

REG3A
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
Aliases REG3A, HIP, HIP/PAP, INGAP, PAP, PAP-H, PAP1, PBCGF, REG-III, REG3, regenerating family member 3 alpha
External IDs MGI: 97478 HomoloGene: 130506 GeneCards: REG3A
RNA expression pattern
More reference expression data
Orthologs
Species Human Mouse
Entrez

5068

18489

Ensembl

ENSG00000172016

ENSMUSG00000071356

UniProt

Q06141

P35230

RefSeq (mRNA)

NM_138938
NM_002580
NM_138937

NM_011036

RefSeq (protein)

NP_002571.1
NP_620354.1
NP_620355.1

NP_035166.1

Location (UCSC) Chr 2: 79.16 – 79.16 Mb Chr 6: 78.37 – 78.37 Mb
PubMed search [1] [2]
Wikidata
View/Edit HumanView/Edit Mouse

Regenerating islet-derived protein 3 alpha (or Regenerating islet-derived protein III-alpha) formerly known as HIP/PAP (Hepatocarcinoma-Intestine-Pancreas/Pancreatitis-Associated Protein) is a protein that in humans is encoded by the REG3A gene.[3][4]

This gene encodes a pancreatic secretory protein that may be involved in cell proliferation or differentiation. It has similarity to the C-type lectin superfamily. The enhanced expression of this gene is observed during pancreatic inflammation and liver carcinogenesis. Multiple alternatively spliced transcript variants encoding the same protein have been described for this gene but the full length nature of some transcripts is not yet known.[4]

Reg3A (UniProt Q0614 1) is a bactericidal C-type lectin that is constitutively produced in the intestine that has antibacterial properties against Gram-positive bacteria. Bacterial killing is mediated by binding to surface-exposed carbohydrate moieties of bacterial peptidoglycan.[5][6]

References

  1. "Human PubMed Reference:".
  2. "Mouse PubMed Reference:".
  3. Dusetti NJ, Frigerio JM, Fox MF, Swallow DM, Dagorn JC, Iovanna JL (Jun 1994). "Molecular cloning, genomic organization, and chromosomal localization of the human pancreatitis-associated protein (PAP) gene". Genomics. 19 (1): 108–14. doi:10.1006/geno.1994.1019. PMID 8188210.
  4. 1 2 "Entrez Gene: REG3A regenerating islet-derived 3 alpha".
  5. Cash, Heather L.; Whitham, Cecilia V.; Behrendt, Cassie L.; Hooper, Lora V. (2006-08-25). "Symbiotic bacteria direct expression of an intestinal bactericidal lectin". Science (New York, N.Y.). 313 (5790): 1126–1130. doi:10.1126/science.1127119. ISSN 1095-9203. PMC 2716667Freely accessible. PMID 16931762.
  6. Vaishnava, Shipra; Yamamoto, Miwako; Severson, Kari M.; Ruhn, Kelly A.; Yu, Xiaofei; Koren, Omry; Ley, Ruth; Wakeland, Edward K.; Hooper, Lora V. (2011-10-14). "The antibacterial lectin RegIIIγ promotes the spatial segregation of microbiota and host in the intestine". Science (New York, N.Y.). 334 (6053): 255–258. doi:10.1126/science.1209791. ISSN 0036-8075. PMC 3321924Freely accessible. PMID 21998396.

Further reading


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