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1.
Cell Biol Int ; 47(4): 731-741, 2023 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-36511187

RESUMEN

The angiotensin-converting enzyme (ACE) has been shown to play a role as a receptor for the COVID-19 virus. This virus usually gets into cells and infects them by attaching to their glycoprotein receptors, which are found on the ACE2 receptor. The aim of this study was to evaluate the frequency and inheritance of ACE1 I/D and ACE2 rs2285666 polymorphisms in COVID-19 patients with varying severity of lung involvement and its effect on serum cytokines levels of interleukin (IL)-1 and IL-6 and laboratory parameters. One hundred eighty-five COVID-19 patients were grouped according to the severity of lung involvement. (I/D) polymorphism of the ACE1 gene and rs2285666 polymorphism of the ACE2 gene were determined by single specific primer-polymerase chain reaction and restriction fragment length reaction-polymerase chain reaction methods, respectively. Serum levels of IL-1 and IL-6 were also measured by the enzyme linked immunosorbent assay technique. No statistically significant association of ACE2 rs2285666 polymorphism genotypes and ACE1 I/D with the severity of lung involvement was noted. However, there was a statistically significant association between I/D ACE1 polymorphism genotypes and IL-6, white blood cells (WBC), and neutrophil-to-lymphocyte ratio (NLR) levels. Also, there was no statistically significant association between rs2285666 polymorphism genotypes and patients' blood oxygen saturation level, IL-6, IL-1ß, lactate dehydrogenase activity, WBC count, and NLR. In patients with COVID-19, the rs2285666 polymorphism of the ACE2 gene and the I/D polymorphism of the ACE1 gene were not significantly associated with the severity of COVID-19 disease and serum IL-6 and IL-1 cytokine levels.


Asunto(s)
Enzima Convertidora de Angiotensina 2 , COVID-19 , Humanos , Enzima Convertidora de Angiotensina 2/genética , COVID-19/genética , COVID-19/patología , COVID-19/virología , Citocinas , Interleucina-1 , Interleucina-6 , Pulmón
2.
Respir Med ; 189: 106669, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-34757278

RESUMEN

INTRODUCTION: Cytokine storm is one of the consequences of the severe forms of COVID-19 due to excessive immune response. In this study, we investigated the therapeutic effect of plasmapheresis and its role on the inflammatory cytokines levels in patients suffering from severe COVID-19. METHODS: In plasmapheresis group, 22 severe cases of COVID-19 receiving three cycles of plasmapheresis with time interval of 24-36 h and 22 COVID-19 patients as the control group were enrolled. Clinical history and laboratory parameters as well as IL-1, IL-6, IFN-γ and IL-17 cytokines serum levels in the time points of before and after plasmapheresis were studied. RESULTS: In severe COVID-19 patients, plasmapheresis significantly improved clinical and laboratory parameters such as cough, weakness, fever, blood oxygen saturation and CRP levels. Serum levels of IL-1, IL-6, IFN-γ and IL-17 in the group of patients receiving plasmapheresis, had a significant decrease following plasmapheresis courses. Although only IL-6 level in the control group had a significant decrease between the days 1-14 of disease. Also, at both time points of before and after plasmapheresis, serum levels of IL-1, IL-6, IFN-γ and IL-17 were inversely correlated to blood oxygen saturation. CONCLUSION: Based on the obtained results, plasmapheresis therapy in severe forms of COVID-19 can effectively improve the clinical symptoms of the disease and reduce inflammatory markers. Therefore, it is suggested that plasmapheresis can be evaluated in standard treatment protocols for severe forms of COVID-19.


Asunto(s)
COVID-19/diagnóstico , COVID-19/terapia , Citocinas/sangre , Mediadores de Inflamación/sangre , Plasmaféresis/métodos , Adulto , Anciano , Biomarcadores/sangre , COVID-19/inmunología , Femenino , Humanos , Interferón gamma/sangre , Interleucina-1/sangre , Interleucina-17/sangre , Interleucina-6/sangre , Masculino , Persona de Mediana Edad , Saturación de Oxígeno , Gravedad del Paciente , Resultado del Tratamiento
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