Meity Ardiana, Meity and I. Gde Rurus Suryawan, - and Hanestya Okky Hermawan, - and Primasitha Maharany Harsoyo, - and Inna Maya Sufiyah, - and A. R. Muhammad, - and B.S.I. Zaini, - (2023) Perindopril and Losartan Attenuate Pro-Coagulation Factors in Human Adipocytes Exposed to SARS Cov-2 Spike Protein. Journal of physiology and pharmacology: an official journal of the Polish Physiological Society, 74 (3). pp. 275-280. ISSN 1899-1505

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Abstract

Abstract Thrombotic events are highly prevalent in coronavirus disease 2019 (COVID-19), especially in patients presenting with risk factors of adverse outcomes such as obesity. Recently, the associations between the angiotensin converting enzyme 2 (ACE2) pathway and thrombosis have been reported. Angiotensin-converting enzyme inhibitors (ACEI) and angiotensin II receptor blockers (ARBs) are widely used cardiovascular pharmacologic agents that upregulate ACE2 levels. An observation of the alterations in pro-coagulation factors after exposure to ACEIs and ARBs may provide valuable insight into the thrombosis mechanism and how it may relate to ACE2. This study use adipose tissue harvested from an obese male donor was isolated and exposed to perindopril, losartan, and ACE2 recombinant as binding assay, following exposure with 10 nm of SARS-CoV-2 S1 spike protein. After 48 hours, tissue factor (TF) and plasminogen activator inhibitor-1 (PAI-1) as pro-coagulation factors as well as ACE2 levels and binding evaluated. The results shows TF level was significantly reduced in Perindopril group compared to control (4.834; p=0.005), while a non-significant reduction was observed in Losartan group (5.624; p=0.111). However, Losartan group showed a better reduction of PAI-1 levels (2.633; p≤0.001) than Perindopril group (3.484; p=0.001). These findings were consistent with the observations in ACE2 recombinant group, suggesting that both drugs lowered the bindings of ACE2 and SARS-CoV-2 spike proteins. This study indicated that both perindopril and losartan may attenuate pro-coagulation factors in human adipocytes exposed to SARS-CoV-2 spike proteins, and therefore showcased a potential role of ACE2 in the mechanism of COVID-19-related thrombosis. Further investigation in non-COVID-19 populations should commence and may be of value to expanding this potential in general cardiovascular diseases.

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