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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

SARS-CoV-2 could spread through surface of the eyes

Researchers from Johns Hopkins University School of Medicine have found that the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus could spread via ocular or eye surfaces. This is because the receptor where the virus binds – the ACE2, is also expressed on human eyes, they note.

11 May 2020

Genomic sequences from all over the world help fight SARS-CoV-2

As the COVID-19 pandemic rages across the world, killing hundreds of thousands and infecting over 4.1 million, researchers are racing against time to understand the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The SARS-CoV-2 genome has now been sequenced in many different regions of the world, and researchers are collaborating by sharing information to better understand the make-up and mutations that the virus has undergone.

11 May 2020

Scientists explore why some COVID-19 patients lose their sense of smell

Doctors have reported that partial or total loss of the sense of smell is often an early symptom of infection with SARS-CoV-2, the virus that causes COVID-19.

11 May 2020

Study finds bowel abnormalities in patients with COVID-19

Patients with COVID-19 can have bowel abnormalities, including ischemia, according to a new study published today in the journal Radiology.

11 May 2020

Italy develops vaccine candidate that neutralizes SARS-CoV-2 in mice

As the world grapples with the coronavirus disease (COVID-19), scientists race to develop treatments and vaccines to combat the viral infection. Though many ongoing trials show promise in fighting the novel coronavirus, Italian researchers claim they have developed a vaccine that can neutralize severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in animal cells.

10 May 2020

No evidence COVID-19 is spread by fecal-oral transmission

A new study published on the preprint server medRxiv* in May 2020 shows that in patients who test positive for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in pharyngeal and fecal samples, the virus persists longer in the fecal samples than in the pharyngeal samples. However, fecal-oral transmission does not appear to occur.

10 May 2020

Human neutralizing antibody pair blocks COVID-19-ACE2 binding

With the ongoing COVID-19 pandemic carving its deadly path across the world, and no end in sight in the immediate future, researchers are working furiously to bring out an effective therapeutic drug or vaccine that will stop the virus in its tracks.

10 May 2020

Neutralizing SARS-CoV-2 via S protein

A new study published on the preprint server bioRxiv* in May 2020 reports on a method to block severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) by destroying its main spike protein, which is responsible for attachment to the host cell membrane.

10 May 2020