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1.
Probl Endokrinol (Mosk) ; 69(4): 21-31, 2023 08 30.
Article in Russian | MEDLINE | ID: mdl-37694864

ABSTRACT

BACKGROUND: Angiotensin-converting enzyme 2 (ACE2) is a key component of the renin-angiotensin system (RAS), providing counter-regulation of its effects and, simultaneously, a receptor for the SARS-CoV-2 entering. It is suggested that factors regulating the balance of the major components of RAS, including ACE2 gene polymorphism, therapy with RAS blockers (ACE inhibitors and angiotensin receptor blockers) - may affect the severity of COVID-19. AIM: The aim of the study was to investigate the effect of RAS components, the relationship of ACE2 gene polymorphism rs2106809 and ACEi/ARBs therapy with the COVID-19 severity. MATERIALS AND METHODS: The study included patients with COVID-19 hospitalized in Endocrinology research centre (n = 173), who were divided into groups of moderate and severe course. Determination of RAS components was performed by ELISA, identification of polymorphism by PCR. Statistical analysis was performed using nonparametric statistical methods; differences in the distribution of genotype frequencies were assessed using Fisher's exact test χ2. RESULTS: The groups differed significantly in age, blood glucose levels, and inflammatory markers: leukocytes, neutrophils, IL-6, D-dimer, C-reactive protein, ferritin and liver enzymes, which correlated with the severity of the disease. When comparing patients in terms of ACE, ACE2, angiotensin II, ADAM17 there were no statistically significant differences between the groups (p=0.544, p=0.054, p=0.836, p=1.0, respectively), including the distribution by gender (in men: p=0.695, p=0.726, p=0.824, p=0.512; in women: p=0.873, p=0.196, p=0.150, p=0.937). Analysis of the distribution of AA, AG, and GG genotypes of the rs2106809 polymorphism of the ACE2 gene also revealed no differences between patients: χ2 1.35, p=0.071 in men, χ2 5.28, p=0.244 in women. There were no significant differences in the use of RAS blockers between groups with different course severity: χ2 0.208, p=0.648 for ACEi, χ2 1.15, p=0.283 for ARBs. CONCLUSION: In our study, the influence of activation of RAS components (ACE, ACE2, AT II, ADAM17) and ACE2 gene polymorphism on the severity of COVID-19 course was not confirmed. The severity of COVID-19 course correlated with the level of standard inflammatory markers, indicating the general principles of the infection as a systemic inflammation, regardless of the genetic and functional status of the RAS.


Subject(s)
Angiotensin-Converting Enzyme 2 , COVID-19 , Renin-Angiotensin System , Female , Humans , Male , Angiotensin Receptor Antagonists/pharmacology , Angiotensin Receptor Antagonists/therapeutic use , Angiotensin-Converting Enzyme 2/genetics , Angiotensin-Converting Enzyme Inhibitors/therapeutic use , Cetirizine , COVID-19/genetics , Renin-Angiotensin System/genetics , SARS-CoV-2
2.
Ter Arkh ; 94(10): 1188-1196, 2022 Nov 22.
Article in Russian | MEDLINE | ID: mdl-36468994

ABSTRACT

Sodium-glucose cotransporter inhibitors updated their position in the therapy of patients with type 2 diabetes mellitus due to proven nephro- and cardioprotective effects. The DAPA-CKD study, performed among individuals with CKD of various etiologies, was also conducted in a mixed population, including patients without type 2 diabetes, showed the ability of dapagliflozin to reduce the risk of the primary combined endpoint (eGFR<15 ml/min/1.73 m2, the need for chronic dialysis or kidney transplantation, time to renal or cardiovascular death), and certain secondary endpoints. Due to the inclusion of dapagliflozin into the treatment of the patients with CKD of not only the diabetic origin and the expected subsequent significant expansion of the patient population with indications for the use of this drug, the review of the results of the sub-analyses of DAPA-CKD study may be of interest to the clinicians.


Subject(s)
Diabetes Mellitus, Type 2 , Renal Insufficiency, Chronic , Sodium-Glucose Transporter 2 Inhibitors , Humans , Sodium-Glucose Transporter 2 Inhibitors/pharmacology , Sodium-Glucose Transporter 2 Inhibitors/therapeutic use , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/drug therapy , Renal Insufficiency, Chronic/complications , Renal Insufficiency, Chronic/drug therapy , Glucose , Sodium
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