Long COVID has become a world-wide, non-communicable epidemic, caused by long-
lasting multiorgan symptoms that endure for weeks or months after SARS-CoV-2 infection …

The pulmonary endothelium is a highly regulated organ that performs a wide range of
functions under physiological and pathological conditions. Since endothelial dysfunction …

A damaged endothelium is an underlying condition of the many complications of COVID-19
patients. The increased mortality risk associated with diseases that have underlying …

Background The renin-angiotensin-aldosterone system was shown to be activated in severe
COVID-19 infection. We aimed to investigate the relationship between angiotensin …

Aims Long COVID syndrome has had a major impact on million patients' lives worldwide.
The cardiovascular system is an important aspect of this multifaceted disease that may …

Background Given the sparse data on the renin-angiotensin system (RAS) and its biological
effector molecules ACE1 and ACE2 in pediatric COVID-19 cases, we investigated whether …

Background: Information about angiotensin II (Ang II), angiotensin-converting enzyme 2
(ACE2), and Ang-(1–7) levels in patients with COVID-19 is scarce. Objective: To …

Background: The COVID-19 infection is a novel virus that mainly targets the respiratory
system via specific receptors without any coronavirus-targeted therapies. Many efforts have …

Abstract Angiotensin converting enzyme 2 (ACE2) is a homolog of ACE (a transmembrane
bound dipeptidyl peptidase enzyme). ACE2 converts angiotensinogen to the heptapeptide …

The RAS is a hormonal system playing a pivotal role in the control of blood pressure and
electrolyte homeostasis, the alteration of which is associated with different pathologies …