The receptor binds to complement component C3a, although there is limited evidence that this receptor also binds C4a in lesser mammals this has yet to be proven true in humans.[3] C3a receptor modulates immunity,[4] arthritis, diet-induced obesity[5] and cancers[6]
↑Roglic A, Prossnitz ER, Cavanagh SL, Pan Z, Zou A, Ye RD (February 1996). "cDNA cloning of a novel G protein-coupled receptor with a large extracellular loop structure". Biochimica et Biophysica Acta. 1305 (1–2): 39–43. doi:10.1016/0167-4781(95)00209-x. PMID8605247.
↑Reid RC, Yau MK, Singh R, Hamidon JK, Reed AN, Chu P, Suen JY, Stoermer MJ, Blakeney JS, Lim J, Faber JM, Fairlie DP (2013). "Downsizing a human inflammatory protein to a small molecule with equal potency and functionality". Nature Communications. 4: 2802. doi:10.1038/ncomms3802. PMID24257095.
↑Reid RC, Yau MK, Singh R, Lim J, Fairlie DP (August 2014). "Stereoelectronic effects dictate molecular conformation and biological function of heterocyclic amides". Journal of the American Chemical Society. 136 (34): 11914–7. doi:10.1021/ja506518t. PMID25102224.
Further reading
Sim RB, Laich A (October 2000). "Serine proteases of the complement system". Biochemical Society Transactions. 28 (5): 545–50. doi:10.1042/bst0280545. PMID11044372.
Maruyama K, Sugano S (January 1994). "Oligo-capping: a simple method to replace the cap structure of eukaryotic mRNAs with oligoribonucleotides". Gene. 138 (1–2): 171–4. doi:10.1016/0378-1119(94)90802-8. PMID8125298.
Roglic A, Prossnitz ER, Cavanagh SL, Pan Z, Zou A, Ye RD (February 1996). "cDNA cloning of a novel G protein-coupled receptor with a large extracellular loop structure". Biochimica et Biophysica Acta. 1305 (1–2): 39–43. doi:10.1016/0167-4781(95)00209-x. PMID8605247.
Ames RS, Li Y, Sarau HM, Nuthulaganti P, Foley JJ, Ellis C, Zeng Z, Su K, Jurewicz AJ, Hertzberg RP, Bergsma DJ, Kumar C (August 1996). "Molecular cloning and characterization of the human anaphylatoxin C3a receptor". The Journal of Biological Chemistry. 271 (34): 20231–4. doi:10.1074/jbc.271.34.20231. PMID8702752.
Crass T, Raffetseder U, Martin U, Grove M, Klos A, Köhl J, Bautsch W (August 1996). "Expression cloning of the human C3a anaphylatoxin receptor (C3aR) from differentiated U-937 cells". European Journal of Immunology. 26 (8): 1944–50. doi:10.1002/eji.1830260840. PMID8765043.
Ames RS, Nuthulaganti P, Kumar C (October 1996). "In Xenopus oocytes the human C3a and C5a receptors elicit a promiscuous response to the anaphylatoxins". FEBS Letters. 395 (2–3): 157–9. doi:10.1016/0014-5793(96)01018-6. PMID8898085.
Suzuki Y, Yoshitomo-Nakagawa K, Maruyama K, Suyama A, Sugano S (October 1997). "Construction and characterization of a full length-enriched and a 5'-end-enriched cDNA library". Gene. 200 (1–2): 149–56. doi:10.1016/S0378-1119(97)00411-3. PMID9373149.
Hollmann TJ, Haviland DL, Kildsgaard J, Watts K, Wetsel RA (February 1998). "Cloning, expression, sequence determination, and chromosome localization of the mouse complement C3a anaphylatoxin receptor gene". Molecular Immunology. 35 (3): 137–48. doi:10.1016/S0161-5890(98)00021-2. PMID9694514.
Lienenklaus S, Ames RS, Tornetta MA, Sarau HM, Foley JJ, Crass T, Sohns B, Raffetseder U, Grove M, Hölzer A, Klos A, Köhl J, Bautsch W (September 1998). "Human anaphylatoxin C4a is a potent agonist of the guinea pig but not the human C3a receptor". Journal of Immunology. 161 (5): 2089–93. PMID9725198.
Settmacher B, Bock D, Saad H, Gärtner S, Rheinheimer C, Köhl J, Bautsch W, Klos A (June 1999). "Modulation of C3a activity: internalization of the human C3a receptor and its inhibition by C5a". Journal of Immunology. 162 (12): 7409–16. PMID10358194.
Feild JA, Foley JJ, Testa TT, Nuthulaganti P, Ellis C, Sarau HM, Ames RS (October 1999). "Cloning and characterization of a rabbit ortholog of human Galpha16 and mouse G(alpha)15". FEBS Letters. 460 (1): 53–6. doi:10.1016/S0014-5793(99)01317-4. PMID10571060.
Petering H, Köhl J, Weyergraf A, Dulkys Y, Kimmig D, Smolarski R, Kapp A, Elsner J (April 2000). "Characterization of synthetic C3a analog peptides on human eosinophils in comparison to the native complement component C3a". Journal of Immunology. 164 (7): 3783–9. doi:10.4049/jimmunol.164.7.3783. PMID10725738.
Drouin SM, Kildsgaard J, Haviland J, Zabner J, Jia HP, McCray PB, Tack BF, Wetsel RA (February 2001). "Expression of the complement anaphylatoxin C3a and C5a receptors on bronchial epithelial and smooth muscle cells in models of sepsis and asthma". Journal of Immunology. 166 (3): 2025–32. doi:10.4049/jimmunol.166.3.2025. PMID11160252.
Ames RS, Lee D, Foley JJ, Jurewicz AJ, Tornetta MA, Bautsch W, Settmacher B, Klos A, Erhard KF, Cousins RD, Sulpizio AC, Hieble JP, McCafferty G, Ward KW, Adams JL, Bondinell WE, Underwood DC, Osborn RR, Badger AM, Sarau HM (May 2001). "Identification of a selective nonpeptide antagonist of the anaphylatoxin C3a receptor that demonstrates antiinflammatory activity in animal models". Journal of Immunology. 166 (10): 6341–8. doi:10.4049/jimmunol.166.10.6341. PMID11342658.
Reca R, Mastellos D, Majka M, Marquez L, Ratajczak J, Franchini S, Glodek A, Honczarenko M, Spruce LA, Janowska-Wieczorek A, Lambris JD, Ratajczak MZ (May 2003). "Functional receptor for C3a anaphylatoxin is expressed by normal hematopoietic stem/progenitor cells, and C3a enhances their homing-related responses to SDF-1". Blood. 101 (10): 3784–93. doi:10.1182/blood-2002-10-3233. PMID12511407.
External links
"Anaphylatoxin Receptors: C3a". IUPHAR Database of Receptors and Ion Channels. International Union of Basic and Clinical Pharmacology.