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Pathway Description
Cilgavimab Action Pathway
Homo sapiens
Drug Action Pathway
Cilgavimab is an extended half-life recombinant monoclonal IgG1κ antibody directed against the SARS-CoV-2 spike glycoprotein for COVID-19 prophylaxis in individuals who are unable to undergo COVID-19 immunization. It is produces in Chinese hamster ovary cells derived from a neutralizing antibody isolated from a patient with a natural history of SARS-CoV-2 infection and modified through targeted amino acid substitutions. It is commonly taken with tixagevimab, and was issued FDA emergency use authorization on December 9, 2021.
SARS-CoV-2 enters host cells via the interaction between the trimeric spike (S) glycoprotein and host cell angiotensin-converting enzyme 2 (ACE2). Cilgavimab inhibits S glycoprotein by blocking the interaction between it and the host ACE2 protein. This inhibits the binding and entry of the virion into the host cell. This prevents viral replication and propagation.
References
Cilgavimab Pathway References
Zost SJ, Gilchuk P, Chen RE, Case JB, Reidy JX, Trivette A, Nargi RS, Sutton RE, Suryadevara N, Chen EC, Binshtein E, Shrihari S, Ostrowski M, Chu HY, Didier JE, MacRenaris KW, Jones T, Day S, Myers L, Eun-Hyung Lee F, Nguyen DC, Sanz I, Martinez DR, Rothlauf PW, Bloyet LM, Whelan SPJ, Baric RS, Thackray LB, Diamond MS, Carnahan RH, Crowe JE Jr: Rapid isolation and profiling of a diverse panel of human monoclonal antibodies targeting the SARS-CoV-2 spike protein. Nat Med. 2020 Sep;26(9):1422-1427. doi: 10.1038/s41591-020-0998-x. Epub 2020 Jul 10.
Pubmed: 32651581
Zost SJ, Gilchuk P, Case JB, Binshtein E, Chen RE, Nkolola JP, Schafer A, Reidy JX, Trivette A, Nargi RS, Sutton RE, Suryadevara N, Martinez DR, Williamson LE, Chen EC, Jones T, Day S, Myers L, Hassan AO, Kafai NM, Winkler ES, Fox JM, Shrihari S, Mueller BK, Meiler J, Chandrashekar A, Mercado NB, Steinhardt JJ, Ren K, Loo YM, Kallewaard NL, McCune BT, Keeler SP, Holtzman MJ, Barouch DH, Gralinski LE, Baric RS, Thackray LB, Diamond MS, Carnahan RH, Crowe JE Jr: Potently neutralizing and protective human antibodies against SARS-CoV-2. Nature. 2020 Aug;584(7821):443-449. doi: 10.1038/s41586-020-2548-6. Epub 2020 Jul 15.
Pubmed: 32668443
Dong J, Zost SJ, Greaney AJ, Starr TN, Dingens AS, Chen EC, Chen RE, Case JB, Sutton RE, Gilchuk P, Rodriguez J, Armstrong E, Gainza C, Nargi RS, Binshtein E, Xie X, Zhang X, Shi PY, Logue J, Weston S, McGrath ME, Frieman MB, Brady T, Tuffy KM, Bright H, Loo YM, McTamney PM, Esser MT, Carnahan RH, Diamond MS, Bloom JD, Crowe JE Jr: Genetic and structural basis for SARS-CoV-2 variant neutralization by a two-antibody cocktail. Nat Microbiol. 2021 Oct;6(10):1233-1244. doi: 10.1038/s41564-021-00972-2. Epub 2021 Sep 21.
Pubmed: 34548634
Wishart DS, Feunang YD, Guo AC, Lo EJ, Marcu A, Grant JR, Sajed T, Johnson D, Li C, Sayeeda Z, Assempour N, Iynkkaran I, Liu Y, Maciejewski A, Gale N, Wilson A, Chin L, Cummings R, Le D, Pon A, Knox C, Wilson M: DrugBank 5.0: a major update to the DrugBank database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D1074-D1082. doi: 10.1093/nar/gkx1037.
Pubmed: 29126136
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