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10.1172/jci.insight.148749

http://scihub22266oqcxt.onion/10.1172/jci.insight.148749
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suck abstract from ncbi


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pmid34747367      JCI+Insight 2021 ; 6 (21): ä
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  • Chitinase 3-like-1 is a therapeutic target that mediates the effects of aging in COVID-19 #MMPMID34747367
  • Kamle S; Ma B; He CH; Akosman B; Zhou Y; Lee CM; El-Deiry WS; Huntington K; Liang O; Machan JT; Kang MJ; Shin HJ; Mizoguchi E; Lee CG; Elias JA
  • JCI Insight 2021[Nov]; 6 (21): ä PMID34747367show ga
  • COVID-19 is caused by SARS-CoV-2 (SC2) and is more prevalent and severe in elderly and patients with comorbid diseases (CM). Because chitinase 3-like-1 (CHI3L1) is induced during aging and CM, the relationships between CHI3L1 and SC2 were investigated. Here, we demonstrate that CHI3L1 is a potent stimulator of the SC2 receptor angiotensin converting enzyme 2 (ACE2) and viral spike protein priming proteases (SPP), that ACE2 and SPP are induced during aging, and that anti-CHI3L1, kasugamycin, and inhibitors of phosphorylation abrogate these ACE2- and SPP-inductive events. Human studies also demonstrate that the levels of circulating CHI3L1 are increased in the elderly and patients with CM, where they correlate with COVID-19 severity. These studies demonstrate that CHI3L1 is a potent stimulator of ACE2 and SPP, that this induction is a major mechanism contributing to the effects of aging during SC2 infection, and that CHI3L1 co-opts the CHI3L1 axis to augment SC2 infection. CHI3L1 plays a critical role in the pathogenesis of and is an attractive therapeutic target in COVID-19.
  • |*Aging/drug effects[MESH]
  • |Aminoglycosides/pharmacology/therapeutic use[MESH]
  • |Angiotensin-Converting Enzyme 2/metabolism[MESH]
  • |COVID-19 Drug Treatment[MESH]
  • |COVID-19/*metabolism[MESH]
  • |Cell Line, Tumor[MESH]
  • |Chitinase-3-Like Protein 1/antagonists & inhibitors/*metabolism[MESH]
  • |HEK293 Cells[MESH]
  • |Humans[MESH]


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