SARS-CoV-2 accessory proteins in viral pathogenesis: knowns and unknowns

N Redondo, S Zaldívar-López, JJ Garrido… - Frontiers in …, 2021 - frontiersin.org
There are still many unanswered questions concerning viral SARS-CoV-2 pathogenesis in
COVID-19. Accessory proteins in SARS-CoV-2 consist of eleven viral proteins whose roles …

The COVID-19 pandemic

M Ciotti, M Ciccozzi, A Terrinoni, WC Jiang… - Critical reviews in …, 2020 - Taylor & Francis
In December 2019, an outbreak of pneumonia of unknown origin was reported in Wuhan,
Hubei Province, China. Pneumonia cases were epidemiologically linked to the Huanan …

The ORF3a protein of SARS-CoV-2 induces apoptosis in cells

Y Ren, T Shu, DI Wu, J Mu, C Wang, M Huang… - Cellular & molecular …, 2020 - nature.com
Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has caused the ongoing
pandemic of Coronavirus Disease 2019. SARS-CoV-2 belongs to the genus …

[HTML][HTML] ORF3a of the COVID-19 virus SARS-CoV-2 blocks HOPS complex-mediated assembly of the SNARE complex required for autolysosome formation

G Miao, H Zhao, Y Li, M Ji, Y Chen, Y Shi, Y Bi… - Developmental cell, 2021 - cell.com
Autophagy acts as a cellular surveillance mechanism to combat invading pathogens.
Viruses have evolved various strategies to block autophagy and even subvert it for their …

[HTML][HTML] Severe acute respiratory syndrome coronavirus ORF3a protein activates the NLRP3 inflammasome by promoting TRAF3-dependent ubiquitination of ASC

KL Siu, KS Yuen, C Castaño-Rodriguez… - The FASEB …, 2019 - pmc.ncbi.nlm.nih.gov
Severe acute respiratory syndrome coronavirus (SARS-CoV) is capable of inducing a storm
of proinflammatory cytokines. In this study, we show that the SARS-CoV open reading frame …

Severe acute respiratory syndrome coronavirus viroporin 3a activates the NLRP3 inflammasome

IY Chen, M Moriyama, MF Chang… - Frontiers in microbiology, 2019 - frontiersin.org
Nod-like receptor family, pyrin domain-containing 3 (NLRP3) regulates the secretion of
proinflammatory cytokines interleukin 1 beta (IL-1β) and IL-18. We previously showed that …

Structural characterization of SARS-CoV-2: where we are, and where we need to be

G Mariano, RJ Farthing, SLM Lale-Farjat… - Frontiers in molecular …, 2020 - frontiersin.org
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has rapidly spread in
humans in almost every country, causing the disease COVID-19. Since the start of the …

Understanding the role of SARS-CoV-2 ORF3a in viral pathogenesis and COVID-19

J Zhang, A Ejikemeuwa, V Gerzanich, M Nasr… - Frontiers in …, 2022 - frontiersin.org
The ongoing SARS-CoV-2 pandemic has shocked the world due to its persistence, COVID-
19-related morbidity and mortality, and the high mutability of the virus. One of the major …

Cryo-EM structure of SARS-CoV-2 ORF3a in lipid nanodiscs

DM Kern, B Sorum, SS Mali, CM Hoel… - Nature structural & …, 2021 - nature.com
Abstract SARS-CoV-2 ORF3a is a putative viral ion channel implicated in autophagy
inhibition, inflammasome activation and apoptosis. 3a protein and anti-3a antibodies are …

Severe COVID-19: NLRP3 inflammasome dysregulated

DF Van den Berg, AA Te Velde - Frontiers in immunology, 2020 - frontiersin.org
SARS-CoV-2 might directly activate NLRP3 inflammasome resulting in an endogenous
adjuvant activity necessary to mount a proper adaptive immune response against the virus …