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Does COVID-19 infect peripheral blood cells?

The emergence of the novel coronavirus outbreak in December 2019 was followed by its spread on a global scale unparalleled in the last 100 years. At present, it has claimed over 322,000 lives the world over, with over 4.88 million cases having tested positive.

19 May 2020

Sleep apnea may increase the risk of severe COVID-19, say researchers

An analysis conducted by researchers at the University of Turku and Turku University Hospital in Finland has suggested that obstructive sleep apnea (OSA) may be a risk factor for severe coronavirus disease 2019 (COVID-2019).

19 May 2020

New animal model for COVID-19

As the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) continues to ravage the world, scientists are frantically searching for a vaccine or new drug that will effectively counter the lethal effects of the virus that leads to COVID-19 disease.

19 May 2020

Smoking increases ACE2 protein in the lungs which may promote COVID-19 infection

Previous data from COVID-19 patients suggests that cigarette smokers are more likely to have health complications.

18 May 2020

Potential new treatment approach to fatal COVID-19

Researchers from the University of Colorado Anschutz Medical Campus and Pathways Bioscience in the United States have found that activating a transcription factor involved in oxidative stress regulation, antiviral activity, and inflammation may serve as a new treatment approach to coronavirus disease 2019 (COVID-19).

18 May 2020

Novel insights on SARS-CoV-2 cell entry may inform further vaccine and treatment development

A research group from Harvard Medical School reported two cryo-electron microscopy structures derived from a single preparation of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike (S) protein in their paper available on the preprint server bioRxiv. Understanding the nuances of prefusion and postfusion conformations shed light on viral cell entry and may, in turn, guide the development of vaccines and drugs.

18 May 2020

Cigarette smoke spurs the lungs to make more SARS-CoV-2 receptors

New research from CSHL scientists suggests that cigarette smoke spurs the lungs to make more ACE2 (angiotensin-converting enzyme 2), the protein that the coronavirus responsible for COVID-19 grabs and uses to enter human cells.

18 May 2020

Avacta's SARS-COV-2 neutralizing Affimer reagents show therapeutic potential for COVID-19

Avacta Group plc, the developer of Affimer biotherapeutics and reagents, is pleased to announce that several of the Affimer reagents recently generated for development of a point-of-care COVID-19 antigen saliva test have now also been shown to block the interaction between the virus’ spike protein and ACE2, a receptor on human cells that is key to the virus infection pathway.

From Avacta Life Sciences Ltd. 18 May 2020

Research explores how human enzymes could be used to exacerbate COVID-19

Centenary Institute researchers have examined the critical role of human enzymes and the coronavirus in a newly published scientific review article that explores potential strategies for COVID-19 disease treatment and management.

18 May 2020

Host-virus interaction drives adaptive mutation in bat CoV related to SARS-CoVs

Virus and receptor diversity is shaped by the need to evolve advanced weaponry to facilitate virus entry and infection, on the one hand, and host resistance, on the other. A new paper published on the preprint server bioRxiv* shows how this mechanism operates in a bat coronavirus, which is related to the earlier SARS coronavirus.

17 May 2020

New and unexplored angle in the binding of SARS-CoV-2 to host cells

Researchers in the Netherlands, Cuba, and Italy have made important discoveries about the carbohydrate-mediated binding of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein to host cell lectin receptors and host lung microbiota.

17 May 2020

Study shows human monoclonal antibodies can effectively neutralize SARS-CoV-2

US researchers have published a proof of concept on the efficacy of human monoclonal antibodies against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in laboratory conditions, as well as their pioneering use in a mouse model. The study is available on the preprint server bioRxiv*.

17 May 2020

Analysis of single-cell data indicates that SARS-Cov-2 targets many cell types

Before it can sicken people, the new coronavirus must first sneak into their cells. But not any cell will do. The virus can enter only those with a certain combination of molecules on their surfaces.

13 May 2020

Could JAK blockers help treat COVID-19?

A new study published in the journal Science Immunology in May 2020 reports that compounds that safely inhibit the JAK protein could be useful in treating COVID-19.

12 May 2020

SARS-CoV-2 cell entry affinity varies across different host species

A new study from India, currently available on the preprint server bioRxiv*, estimated the probability and readiness of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) to infect cells of different animal species – and revealed many of them that could act as disease carriers.

12 May 2020

Potential for COVID-19 transmission from human eye

A new study published on the preprint server bioRxiv* in May 2020 reports the presence of ACE2 receptors in the eye at high concentrations. These molecules are the entry points for the SARS-CoV-2 virus that is causing the ongoing COVID-19 pandemic.

12 May 2020

Does cholesterol play a role in COVID-19?

A new study published on the preprint server bioRxiv in May 2020 suggests that the strikingly increased mortality in COVID-19 patients who are either old or also have high blood pressure, diabetes, cardiovascular disease is due to high tissue cholesterol levels. It also indicates the role of a healthy diet, by showing that polyunsaturated fatty acids (PUFA) in blood oppose the effects of cholesterol and thus the risk for severe COVID-19 symptoms.

12 May 2020

Symptomatic COVID-19 patients less likely to be smokers

As the COVID-19 pandemic rages in many parts of the world, a new study shows that smoking may not play a significant role in increasing the severity of illness in these patients. The study is published on the preprint server medRxiv* in May 2020.

12 May 2020

SARS-CoV-2 binds heparan sulfate, preventing host cell infection

A new study published in May 2020 on the preprint server bioRxiv shows that the SARS-CoV-2 virus can bind to a sugar molecule called heparan sulfate (HS), thereby hindering its entry into the host cell.

12 May 2020

Study sheds more light on the evolutionary ancestry of SARS-CoV-2

There is ongoing debate among policymakers and the general public about where SARS-CoV-2, the virus that causes COVID-19, came from. While researchers consider bats the most likely natural hosts for SARS-CoV-2, the origins of the virus are still unclear.

12 May 2020