It has been reported that SARS-CoV-2 may use ACE2 as a receptor to gain entry into human
cells, in a way similar to that of SARS-CoV. Analyzing the distribution and expression level of …

Background: Since its discovery in December 2019, severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) has infected more than 2 180 000 people worldwide and has …

Background: Cigarette smoking (CS) is a global public health problem and a high-risk factor
for various diseases. In December 2019, a novel coronavirus (COVID-19) was identified in …

Increased expression of pulmonary ACE2, the SARS-CoV-2 receptor, could contribute to
increased infectivity of COVID-19 in patients with diabetes, but ACE2 expression has not …

Abstract Coronavirus disease 2019 (COVID‐19), caused by the novel severe acute
respiratory syndrome coronavirus 2 (SARS‐CoV‐2), has been a rising international cause of …

The COVID-19 pandemic is an emerging threat to global public health. While our current
understanding of COVID-19 pathogenesis is limited, a better understanding will help us …

SARS-CoV-2 is the virus responsible for the ongoing COVID-19 outbreak. The virus uses
ACE2 receptor for viral entry. ACE2 is part of the counter-regulatory renin-angiotensin …

The outbreak of pneumonia caused by SARS-CoV-2 posed a great threat to global human
health, which urgently requires us to understand comprehensively the mechanism of SARS …

Recent retrospective studies of severe acute respiratory syndrome coronavirus 2 (SARS‐
CoV‐2) disease (COVID‐19) revealed that the patients with common comorbidities of …

The etiological agent of COVID-19 SARS-CoV-2, is primarily a pulmonary-tropic
coronavirus. Infection of alveolar pneumocytes by SARS-CoV-2 requires virus binding to the …