ACE2 imbalance as a key player for the poor outcomes in COVID-19 patients with age-related comorbidities–role of gut microbiota dysbiosis

SD Viana, S Nunes, F Reis - Ageing research reviews, 2020 - Elsevier
Abstract Coronavirus disease 19 (COVID-19) is a pandemic condition caused by the new
coronavirus SARS-CoV-2. The typical symptoms are fever, cough, shortness of breath …

The front line of enteric host defense against unwelcome intrusion of harmful microorganisms: mucins, antimicrobial peptides, and microbiota

V Liévin-Le Moal, AL Servin - Clinical microbiology reviews, 2006 - Am Soc Microbiol
The intestinal tract is a complex ecosystem that combines resident microbiota and the cells
of various phenotypes with complex metabolic activities that line the epithelial wall. The …

Defensins in innate antiviral immunity

ME Klotman, TL Chang - Nature Reviews Immunology, 2006 - nature.com
Defensins are small antimicrobial peptides that are produced by leukocytes and epithelial
cells, and that have an important role in innate immunity. Recent advances in understanding …

Novel findings in neutrophil biology and their impact on cardiovascular disease

A Bonaventura, F Montecucco, F Dallegri… - Cardiovascular …, 2019 - academic.oup.com
Neutrophils are the most abundant circulating leucocytes in healthy humans. These cells are
central players during acute inflammatory responses, although a growing body of evidence …

Neutrophil extracellular traps and endothelial dysfunction in atherosclerosis and thrombosis

H Qi, S Yang, L Zhang - Frontiers in immunology, 2017 - frontiersin.org
Cardiovascular diseases are a leading cause of mortality and morbidity worldwide.
Neutrophils are a component of the innate immune system which protect against pathogen …

[HTML][HTML] The human beta-defensin-3, an antibacterial peptide with multiple biological functions

V Dhople, A Krukemeyer, A Ramamoorthy - Biochimica et Biophysica Acta …, 2006 - Elsevier
A group of interesting molecules called defensins exhibit multiple functions but have been
primarily recognized to possess a broad spectrum of antimicrobial activities. Studies have …

Host defense peptides and their antimicrobial-immunomodulatory duality

L Steinstraesser, U Kraneburg, F Jacobsen… - Immunobiology, 2011 - Elsevier
Host defence peptides (HDPs) are short cationic molecules produced by the immune
systems of most multicellular organisms and play a central role as effector molecules of …

An update on angiotensin-converting enzyme 2 structure/functions, polymorphism, and duplicitous nature in the pathophysiology of coronavirus disease 2019 …

CA Devaux, L Camoin-Jau - Frontiers in microbiology, 2022 - frontiersin.org
It has been known for many years that the angiotensin-converting enzyme 2 (ACE2) is a cell
surface enzyme involved in the regulation of blood pressure. More recently, it was proven …

New insights into the physiopathology of COVID-19: SARS-CoV-2-associated gastrointestinal illness

CA Devaux, JC Lagier, D Raoult - Frontiers in medicine, 2021 - frontiersin.org
Although SARS-CoV-2 is considered a lung-tropic virus that infects the respiratory tract
through binding to the ACE2 cell-surface molecules present on alveolar lungs epithelial …

Role of neutrophils in different stages of atherosclerosis

X Zhang, Z Kang, D Yin, J Gao - Innate Immunity, 2023 - journals.sagepub.com
Neutrophils constitute the first line of defense in human immunity and can be attracted to
inflamed and infected sites by various chemokines. As essential players in immune …