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CRISPR-Cas12a assay to diagnose SARS-CoV-2 infection and detect strain-specific SNPs for variant identification

The multiplex detection approach outlined in this study has the potential to address the need to rapidly characterize the phenotype and clinical response to continually emerging SARS-CoV-2 variants as the COVID-19 pandemic continues.

16 Feb 2022

Superior immune response in vaccinated after infection with Omicron compared to unvaccinated

In a recent study posted to the medRxiv* preprint server, researchers evaluated the cross-reactivity of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variant-triggered neutralization and fragment crystallizable (Fc) effector functions between coronavirus disease 2019 (COVID-19)-vaccinated and unvaccinated individuals in South Africa.

16 Feb 2022

The long-term consequences of SARS-CoV-2 infection in people with HIV

In a recent study posted to the medRxiv* preprint server, an interdisciplinary team of researchers from the United States (US) analyzed a cohort of patients with human immunodeficiency virus (HIV) (PWH) recovering from coronavirus disease 2019 (COVID-19) and characterized severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-specific immune responses in these patients.

15 Feb 2022

The in vitro selection of a remdesivir-resistant SARS-CoV-2 mutation

Researchers select and study an RDV-resistant virus by serial passaging of wild type SARS-CoV-2 in the presence of increasing concentrations of RDV.

15 Feb 2022

Neutralizing antibody levels to different SARS-CoV-2 epitopes fluctuate over time

Researchers study antibodies against various SARS-CoV-2 epitopes that may be responsible for neutralizing activities in recovered COVID-19 patients.

15 Feb 2022

Post-vaccination titers of neutralizing antibodies revealed as a moderate predictor of vaccine-induced immunity

In a new study, researchers investigated whether neutralizing antibodies against the SARS-CoV-2 spike protein offered adequate immunity against breakthrough infections among vaccinated individuals.

15 Feb 2022

Antiviral activity assessment of remdesivir against 10 current and former SARS-CoV-2 variant clinical isolates

A new study published demonstrated the in vitro potencies of RDV and GS-441524 through PRA, and nucleoprotein ELISA against SARS-CoV-2 and other VOC/VOIs isolates with specific substitutions in Nsp12.

15 Feb 2022

Study suggests that epigenetic memory in innate immune cells could be the key to explaining long COVID

A new study may provide a partial explanation for the long-term immunologic phenomena associated with COVID-19.

15 Feb 2022

SARS-CoV-2 ORF6 inhibits mRNA export to favour viral translation and suppress innate signalling

A recent study posted to the bioRxiv* pre-print server investigated the ability of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) to inhibit the human immune response against viral infection.

15 Feb 2022

Antiviral potential of N-acylethanolamine acid amide hydrolase against SARS-CoV-2 and Zika virus

A recent study posted to the bioRxiv* pre-print server investigated the antiviral potential of N-acylethanolamine acid amidase (NAAA) against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and the Zika virus (ZIKV).

14 Feb 2022

Structural protein vimentin facilitates SARS-CoV-2 entry into endothelial cells

Researchers suggest that extracellular vimentin may act as a coreceptor to allow for SARS-CoV-2 entry into cells.

14 Feb 2022

Impact of rapid and comprehensive RT-qPCR for detecting SARS-CoV-2 variants of concern

Researchers reported the development and validation of a two-reaction multiplex reverse transcription-quantitative polymerase chain reaction genotyping strategy that distinguishes SARS-CoV-2 variants of concern.

14 Feb 2022

Study describes a β-CoV spike protein target for protective antibodies that may facilitate pan-β-CoV vaccine development

In a recent study published in Science Translational Medicine, researchers characterized a human antibody targeting betacoronaviruses (β-CoVs).

14 Feb 2022

Study demonstrates associations between COVID-19 symptom presentation and antibody assay reactivity

Researchers tested convalescent sera from individuals who had recovered from SARS-CoV-2 infection to demonstrate an association between antibody response and reported COVID-19 symptoms.

14 Feb 2022

Researchers identify autoantibody targets in COVID-19 patients

In a new study, researchers have been investigating auto-immune responses to natural human antigens in COVID-19 patients.

14 Feb 2022

mRNA-1273 and mRNA-1273.529 Omicron-specific boosters highly effective in mouse model

In a study posted to the bioRxiv* preprint server, a team of researchers from the United States evaluated the protective effect of the preclinical version of the current Moderna Omicron-targeted mRNA-1273.529 vaccine against the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) B.1.1.529 Omicron infection in mice.

14 Feb 2022

Nitazoxanide shows promise for COVID-19 treatment in animal model

In a recent study posted to the bioRxiv* pre-print server, researchers demonstrated that Nitazoxanide (NTZ), an oral drug, broadly inhibits replication of several severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants of concern (VOCs) in preclinical models of infection.

13 Feb 2022

Study shows IgA antibodies play a significant role in neutralizing SARS-CoV-2

A recent paper by researchers from Australia, currently available on the medRxiv* preprint server, shows how Immunoglobulin A (IgA) antibodies in individuals who were infected with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) contribute to the neutralization of the virus and its variants, even though this response is heterogeneous and less potent when compared to IgG antibodies.

13 Feb 2022

New COVID-19 test can determine if individuals have been vaccinated, infected, both, or neither

Researchers have created a new T cell assay that allows discrimination of COVID-19 infection and vaccination, as well as the order in which these occurred.

11 Feb 2022

New rapid, cheaper test could help advance personalized cancer treatment

Using a routine blood sample, investigators have developed an extremely sensitive assay to detect and quantify DNA fragments containing rare genetic mutations in a patient's cancer cells.

10 Feb 2022

Assay News and Research

CRISPR-Cas12a assay to diagnose SARS-CoV-2 infection and detect strain-specific SNPs for variant identification

Superior immune response in vaccinated after infection with Omicron compared to unvaccinated

The long-term consequences of SARS-CoV-2 infection in people with HIV

The in vitro selection of a remdesivir-resistant SARS-CoV-2 mutation

Neutralizing antibody levels to different SARS-CoV-2 epitopes fluctuate over time

Post-vaccination titers of neutralizing antibodies revealed as a moderate predictor of vaccine-induced immunity

Antiviral activity assessment of remdesivir against 10 current and former SARS-CoV-2 variant clinical isolates

Study suggests that epigenetic memory in innate immune cells could be the key to explaining long COVID

SARS-CoV-2 ORF6 inhibits mRNA export to favour viral translation and suppress innate signalling

Antiviral potential of N-acylethanolamine acid amide hydrolase against SARS-CoV-2 and Zika virus

Structural protein vimentin facilitates SARS-CoV-2 entry into endothelial cells

Impact of rapid and comprehensive RT-qPCR for detecting SARS-CoV-2 variants of concern

Study describes a β-CoV spike protein target for protective antibodies that may facilitate pan-β-CoV vaccine development

Study demonstrates associations between COVID-19 symptom presentation and antibody assay reactivity

Researchers identify autoantibody targets in COVID-19 patients

mRNA-1273 and mRNA-1273.529 Omicron-specific boosters highly effective in mouse model

Nitazoxanide shows promise for COVID-19 treatment in animal model

Study shows IgA antibodies play a significant role in neutralizing SARS-CoV-2

New COVID-19 test can determine if individuals have been vaccinated, infected, both, or neither

New rapid, cheaper test could help advance personalized cancer treatment

Measuring Drug-Target Residence Times with Biochemical Assays eBook

How Omics Technologies Are Transforming Biological Research and Drug Discovery

How microplastics and bacteria interact to drive antibiotic resistance

Single-cell proteomics: Revealing proteome diversity from cellular heterogeneity to non-canonical biology

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