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Epistatic shifts rationalize mutational constraints of SARS-CoV-2 receptor-binding domain

Researchers used deep mutational scans to measure the effect of each amino-acid mutation in the receptor-binding domain of SARS-CoV-2 Wuhan-Hu-1, Alpha, Beta, Delta, and Eta variants.

1 Mar 2022

SARS-CoV-2 protein interactions with viral and host RNAs in authentic virus-infected cells

Researchers investigated protein interactions of SARS-CoV-2 with host and viral RNAs in infected cells.

1 Mar 2022

Recombinant adenovirus vector vaccine generates mucosal antibodies against SARS-CoV-2

In a recent study posted to the bioRxiv* server, researchers assessed the immunogenicity of the self-developed recombinant adenovirus vector (rAd5) vaccine on macaques. They evaluated the efficacy of three candidate vaccines, ED88, ED90, and ED94, to select the most appropriate one for future development.

1 Mar 2022

Biophysical fitness profile of SARS-CoV-2 Delta variant

In a recent study posted to the bioRxiv* preprint server, researchers investigated the biophysical fitness landscape of the receptor-binding domain (RBD) of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Delta variant.

1 Mar 2022

COVID-19 severity is correlated with body composition

In a recent study posted to the medRxiv* preprint server, researchers assessed the effect of changes in the abdominal well-being and physique on coronavirus disease 2019 (COVID-19) severity using magnetic resonance imaging (MRI).

28 Feb 2022

Histopathologic and molecular effects in the placenta after SARS-CoV-2 infection during pregnancy

A recent study evaluated the molecular and histopathological effects in the placenta following a SARS-CoV-2 infection during pregnancy.

28 Feb 2022

Triple antibody cocktail is a promising candidate for immunotherapy against SARS-CoV-2 variants of concern

Researchers generated a panel of bnAbs against SARS-CoV, SARS-CoV-2, and its variant VOCs, including Omicron from sequentially immunized mice.

28 Feb 2022

Will Omicron BA.2 become the next dominant variant?

A new study presents a comprehensive analysis of the potential of both Omicron BA.2 and BA.3 to become the next dominant circulating SARS-CoV-2 strain.

27 Feb 2022

Emergence of SARS-CoV-2 Omicron likely due to immune selective pressure

A new study discusses the emergence of new variants of SARS-CoV-2 that can escape antibody-mediated neutralization, as opposed to other Sarbecoviruses.

27 Feb 2022

Altered microbiomes in SARS-CoV-2 infection pose threat of antibiotic resistance

A new study discusses changes in the microbiota of various parts of the body with SARS-CoV-2 infection.

27 Feb 2022

Declining immune responses against SARS-CoV-2 variants in dialysis patients post-vaccination

Researchers examined systemic B and T cell responses 16 weeks after BNT162b2 vaccination, and the potency of vaccine-induce neutralizing antibodies, in hemodialysis patients and healthcare workers with no comorbidities.

25 Feb 2022

Metalloproteinase-dependent entry pathway differentially used by SARS-CoV-2 Delta, Alpha, and Omicron variants

Researchers examined how SARS-CoV-2 variants of concern differentially use an additional metalloproteinase-dependent entry pathway to enter the host cells.

24 Feb 2022

Edible egg-derived IgY antibodies against SARS-CoV-2 Omicron

A new study posted to the bioRxiv* preprint server reports on the development of anti-RBD immunoglobulin Y (IgY) antibodies from chicken eggs to block the binding of the viral RBD to human ACE2 receptors. This approach has several advantages since chicken egg-derived IgY can be edible and polyclonal can target multiple epitopes, enhancing neutralizing activity.

23 Feb 2022

White blood cell count as a prognostic indicator of COVID-19

Based on a new study, researchers concluded WBC count variations worsen clinical outcomes such as severity, mortality, and hospital discharge rates leading to a poorer prognosis in COVID-19 patients.

23 Feb 2022

Study demonstrates that TMPRSS2, which is key to SARS-CoV-2 cell entry, is a tumor suppressor

The role played by the host enzyme TMPRSS2 in infection and cancer is the focus of a new study.

23 Feb 2022

Study proposes SARS-CoV-2-encoded peptide presented by HLA-E may suppress inhibition of natural killer cells

A recent study reported the abrogation of inhibition of the NK cells by a SARS-CoV-2-encoded protein presented by HLA-E.

23 Feb 2022

Study explores the impact of COVID-19 on pancreatic cells

New study findings showed that SARS-CoV-2 caused a productive yet restricted infection of pancreatic islet cells and an insignificant inflammatory response.

23 Feb 2022

hAELVi cell infection model mimics SARS-CoV-2 Omicron infection in lower respiratory tract of humans

In a recent study posted to the Research Square* preprint server, which is under consideration at Scientific Reports, a team of researchers developed a novel human Alveolar Epithelial Lentivirus immortalized (hAELVi) cell infection model to estimate the replication potential of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and other respiratory viruses in the lower respiratory tract of humans.

23 Feb 2022

SARS-CoV-2 Omicron variant rapidly takes over Delta viral strain in Norwegian households

Researchers compared the secondary attack rates SARS-CoV-2 Omicron and Delta variants of concern in Norwegian households.

22 Feb 2022

Research explains how SARS-CoV-2 variants evade some antibodies

A recent study published in the iScience Journal assessed the influence of new variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on coronavirus disease 2019 (COVID-19) infectivity and viral neutralization.

22 Feb 2022

ACE2 News and Research

Epistatic shifts rationalize mutational constraints of SARS-CoV-2 receptor-binding domain

SARS-CoV-2 protein interactions with viral and host RNAs in authentic virus-infected cells

Recombinant adenovirus vector vaccine generates mucosal antibodies against SARS-CoV-2

Biophysical fitness profile of SARS-CoV-2 Delta variant

COVID-19 severity is correlated with body composition

Histopathologic and molecular effects in the placenta after SARS-CoV-2 infection during pregnancy

Triple antibody cocktail is a promising candidate for immunotherapy against SARS-CoV-2 variants of concern

Will Omicron BA.2 become the next dominant variant?

Emergence of SARS-CoV-2 Omicron likely due to immune selective pressure

Altered microbiomes in SARS-CoV-2 infection pose threat of antibiotic resistance

Declining immune responses against SARS-CoV-2 variants in dialysis patients post-vaccination

Metalloproteinase-dependent entry pathway differentially used by SARS-CoV-2 Delta, Alpha, and Omicron variants

Edible egg-derived IgY antibodies against SARS-CoV-2 Omicron

White blood cell count as a prognostic indicator of COVID-19

Study demonstrates that TMPRSS2, which is key to SARS-CoV-2 cell entry, is a tumor suppressor

Study proposes SARS-CoV-2-encoded peptide presented by HLA-E may suppress inhibition of natural killer cells

Study explores the impact of COVID-19 on pancreatic cells

hAELVi cell infection model mimics SARS-CoV-2 Omicron infection in lower respiratory tract of humans

SARS-CoV-2 Omicron variant rapidly takes over Delta viral strain in Norwegian households

Research explains how SARS-CoV-2 variants evade some antibodies

Bringing real-time analytics to downstream bioprocess monitoring

Designing fluidic architecture for scalable diagnostic platforms

Evaluating new approaches for rare disease genomics

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