Understanding factors associated with disease severity and mortality from coronavirus
disease (COVID-19) was critical for effective risk stratification. We aimed to investigate the …

Ketocholesterol, which is one of the earliest cholesterol oxidization products identified, is
essentially formed by the auto-oxidation of cholesterol. In the body, 7-ketocholesterol is both …

Abstract Background Surfactant protein-D (SP-D) is a lung-resident protein that has
emerged as a potential biomarker for COVID-19. Previous investigations on acute …

Introduction: Limited data exist on clinical characteristics and outcomes of hospitalized
COVID-19 patients in low-middle income countries. We aimed to describe the clinical …

Objectives This study aimed to evaluate the comorbidities among severe and non‐severe
COVID‐19 patients in Asian versus non‐Asian populations. Design Systemic review and …

Background Lactate dehydrogenase (LDH) levels predict coronavirus disease 2019 (COVID-
19) severity. We investigated LDH isoenzyme levels to identify the tissue responsible for …

Background Toll-like receptor (TLR)-4 plays a vital role in recognizing viral particles,
activating the innate immune system, and producing pro-inflammatory cytokines. Objectives …

Background Because of the outbreak of coronavirus disease 2019 (COVID-19), there has
been an increase in the demand for intensive care services all over the world. Severe cases …

Objectives To describe clinical characteristics, hospitalization flow and outcomes in a cohort
of patients with coronavirus disease 2019 (COVID-19) in a Brazilian hospital in the first and …

Background and study aim: COVID-19 mortality, severity, and recovery are major global
concerns, but they are still‎ insufficiently understood, particularly in the Middle East. This …