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Study confirms SARS-CoV-2 spike glycoprotein promotes a hyper-inflammatory immune response

A group of researchers from Australia and China recently demonstrated how SARS-CoV-2 spike glycoprotein subunit 1 can induce a pro-inflammatory signaling pathway (leading to cytokines deployment and epithelial damage in human bronchial epithelial cells), but also highlighted the potential of peptide-based antivirals in tackling this novel coronavirus.

5 Oct 2020

Midges and mosquitoes unlikely to spread SARS-CoV-2

A recent study published on the preprint server bioRxiv* in September 2020 looked to see if biting insects pose a risk for transmission of SARS-CoV-2 to humans or animals following a SARS-CoV-2 infected blood meal.

5 Oct 2020

Furin cleavage site of SARS-CoV-2 spike glycoprotein enhances viral replication in the lungs

In a new bioRxiv* preprint paper, researchers from the Imperial College London, King's College London, and the University of Bristol in the United Kingdom show that the furin cleavage site of SARS-CoV-2 spike glycoprotein represents a key determinant for transmission among humans, as it substantially facilitates replication in airway cells - opening the door for the development of novel therapeutics.

4 Oct 2020

Discovery of specific kinase as a novel drug target against SARS-CoV-2 and other coronaviruses

By using a modern genome-wide knockout approach to single out coronavirus host factors in human cells, researchers from Rega Institute in Belgium discovered a potential new target that might be exploited for developing drugs against the ongoing coronavirus disease (COVID-19) pandemic, but also future outbreaks of highly pathogenic coronaviruses

29 Sep 2020

New tool enables big data analysis without specialized expertise in bioinformatics

A new data analysis tool developed by researchers at The University of Texas MD Anderson Cancer Center incorporates a user-friendly, natural-language interface to allow biomedical researchers without specialized expertise in bioinformatics or programming languages to conduct intuitive analysis of large datasets.

25 Sep 2020

Exercise hormone could have a therapeutic effect on COVID-19 patients

A study conducted by researchers at São Paulo State University suggests that irisin, a hormone secreted from muscles in response to exercise, could have a therapeutic effect on COVID-19 patients.

22 Sep 2020

Nanoparticle SARS-CoV-2 model could potentially speed the search for drugs

A team of scientists from the National Center for Advancing Translational Sciences and Naval Research Laboratory in Washington, D.C., has developed a new tool that mimics how SARS-CoV-2 -- the virus that causes COVID-19 -- infects a cell, information that could potentially speed the search for treatments against the disease.

22 Sep 2020

A cost-effective scalable production of SARS-CoV-2 RBD in yeast

A new study by the Argentinian AntiCovid Consortium and published in the preprint server bioRxiv* in September 2020 reports on the successful characterization of the conformation and stability of the SARS-CoV-2 spike protein receptor-binding domain (RBD) in two different cell systems. This may help to accelerate the development of vaccines and neutralizing antibodies.

21 Sep 2020

Soluble ACE2 microbody blocks SARS-CoV-2 entry into lung cells

A new study by researchers at NYU Langone Medical Center and Weill Cornell Medical College and published on the preprint server bioRxiv* in September 2020 reports the potential of an angiotensin-converting enzyme 2 (ACE2)-antibody Fc complex in a new format that seems to offer more significant inhibition of SARS-CoV-2.

21 Sep 2020

In vitro testing suggests effective novel drug combinations for SARS-CoV-2

A recent study published on the preprint server bioRxiv* in September 2020 shows the value of drug combinations to enhance the therapeutic and preventive efficacy of such repositioned drugs in standard antiviral therapy.

20 Sep 2020

Could pineapples be a new weapon against COVID-19?

Results of a recent research endeavor from the United States indicate that bromelain or bromelain rich pineapple stem may be utilized as an antiviral agent against coronavirus disease (COVID-19), but also for potential future coronavirus outbreaks. This exciting paper is currently available on the bioRxiv preprint server.

17 Sep 2020

A new approach to study the role of Neandertal DNA during development

Protocols that allow the transformation of human induced pluripotent stem cell (iPSC) lines into organoids have changed the way scientists can study developmental processes and enable them to decipher the interplay between genes and tissue formation, particularly for organs where primary tissue is not available.

11 Sep 2020

PI3K/mTOR and topoisomerase inhibitors suggested as candidates to reduce expression of ACE2

A recent study published in the preprint server medRxiv in September 2020 shows that the already approved drug families called P13K/mTOR and topoisomerase inhibitors may be useful in reducing individual susceptibility to the virus.

7 Sep 2020

Important research on SARS-CoV-2 proteins using proximity labeling

A team of Canadian scientists has recently discovered a wide-range interaction between severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and host proteins using proximity-dependent biotinylation approaches.

7 Sep 2020

D614G spike mutation increases infectivity of SARS-CoV-2 and neutralization susceptibility

As the COVID-19 pandemic progresses, it is crucial to track the viral changes in order to link the clinical and epidemiological features of the disease with these mutations. A new study published on the preprint server bioRxiv* in September 2020 reports on a common severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) mutation, D614G, and its effects on the virus.

4 Sep 2020

Promega and Hitachi High-Tech launch Spectrum Compact CE System

Promega today launched its benchtop capillary electrophoresis (CE) instrument, the Spectrum Compact CE System, developed in collaboration with Hitachi High-Tech.

From Promega Corporation 3 Sep 2020

Existing drug masitinib identified as potential inhibitor of SARS-CoV-2

Researchers in the United States have demonstrated that a drug originally developed as a treatment for cancer exhibits antiviral activity against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the agent that causes coronavirus disease 2019 (COVID-19).

2 Sep 2020

Rabbits susceptible to SARS-CoV-2: Red flag for potential virus reservoir

A new study by scientists in the Netherlands and published on the preprint server bioRxiv* in August 2020 shows that the severe acute respiratory coronavirus-2 (SARS-CoV-2) can infect rabbits, which opens the door for possible circulation in rabbit farms and another potential source of animal to human SARS-CoV-2 infection. This finding calls for urgent research on the prevalence of the virus in farmed rabbits.

30 Aug 2020

Study shows furin cleavage site is crucial for SARS-CoV-2 replication

In a recent bioRxiv* preprint paper, researchers from the United States demonstrate the pivotal role the furin cleavage site insertion in the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike glycoprotein plays in viral replication and pathogenesis – highlighting, in turn, the need for mutation monitoring when developing therapeutics and vaccines.

27 Aug 2020

Heat Biologics SARS-CoV-2 vaccine generates potent T cell response in pre-clinical trial

The COVID-19 pandemic is still creating economic and health-related impact over the world. A new study published on the preprint server bioRxiv in August 2020 shows that a gp96-Ig-secreting vaccine candidate based on the expression of full-length spike protein generates a potent T cell response.

26 Aug 2020