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Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Infect+Drug+Resist 2021 ; 14 (ä): 4015-4025 Nephropedia Template TP
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Impact of High Serum Levels of MMP-7, MMP-9, TGF-beta and PDGF Macrophage Activation Markers on Severity of COVID-19 in Obese-Diabetic Patients #MMPMID34611417
Nasr El-Din A; Ata KAE; Abdel-Gawad AR; Fahmy NF
Infect Drug Resist 2021[]; 14 (ä): 4015-4025 PMID34611417show ga
OBJECTIVE: The aim of this study was to identify an association between the severity of COVID-19 in obese-diabetic patients and altered serum levels of MMP-7, MMP-9, TGF-beta, and PDGF macrophage activation markers. METHODOLOGY: The study included 70 COVID-19 patients, divided into two groups: Group 1 included: Obese COVID-19 patients with type 2 diabetes mellitus (T2D, n=22 patients) and group 2 included; non-obese, non-diabetic COVID-19 patients as an age- and sex-matched control group (n=48 patients). Serum levels of the tested biomarkers were measured by ELISA at admission and after one weak follow-up. RESULTS: There was a significant reduction in the serum levels of LBP in obese-diabetic COVID-19 patients versus the control group (8.34+/-3.94 vs 20.78+/-7.61) (p 0.0001). Significant elevation of MMP-7, MMP-9, PDGF and TGF-beta was detected in obese diabetic COVID-19 patients compared to the non-obese non-diabetic group: 1044.7+/-519.6 vs 405.6+/-164.1, 483.05+/-46.5 vs 173.31+/-76.26, 154.5+/-62.78 vs 39.77+/-21.52, and 603.05+/-258.82 vs 180.29+/-97.17, respectively. The serum levels of macrophage activation markers in obese-diabetic patients one week after admission revealed that patients with acute respiratory distress syndrome (ARDS) had significantly higher serum levels of MMP-7 and MMP-9 than non-ARDS patients (p 0.02 and p 0.01 respectively). CONCLUSION: Macrophages were mainly polarized towards the M2 phenotype in obese-diabetic COVID-19 patients with significant upregulation of the pro-fibrotic markers MMP-7, MMP-9, PDGF, and TGF-beta. Thus, high levels of MMP-7 and MMP-9 are associated with ARDS in severe COVID-19 disease among obese-diabetic patients.