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Study shows how human bodies develop from a single cell

New insights into how our bodies come into being from a single cell have been generated by researchers at the Wellcome Sanger Institute, the Wellcome-MRC Cambridge Stem Cell Institute and the University of Cambridge.

21 May 2021

Metal complexes against coronavirus

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused more than 3.42 million deaths worldwide. Despite the fact that there are vaccines for SARS-CoV-2, the emergence of new variants and the lack of adequate treatments have encouraged the search for new ways to combat this disease more effectively.

21 May 2021

Study shows distinctive mutation in rapidly emerging SARS-CoV-2 B.1.1.7 sublineage

In a new study currently available on the medRxiv* preprint server, US researchers report the detection of a specific sub-lineage of B.1.1.7 severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variant harboring a novel S:D178H mutation and elucidate its transmission and evolutionary patterns.

21 May 2021

SARS-CoV-2 spike mutation can independently predict viral evolution

A team of scientists from Portugal has recently estimated the rate of mutation in two circulating variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) using experimental evolution methods. Their findings reveal that in a condition with no immune surveillance, SARS-CoV-2 can potentially undergo evolution during the first stages of infection. The study is currently available on the bioRxiv* preprint server.

21 May 2021

Researchers discover new coronavirus in East Malaysia

Researchers have discovered a new coronavirus, found in a child with pneumonia in Malaysia in 2018, that appears to have jumped from dog to human.

21 May 2021

Intranasal COVID-19 therapeutic shows promise in preclinical trials

Researchers from the US and Denmark recently described a novel therapeutic option that targets the SARS-CoV-2 ribonucleic acid (RNA) using locked nucleic acid antisense oligonucleotides (LNA ASOs). They identified an LNA ASO that binds to the 5’ leader sequence of SARS-CoV-2 ORF1a/b. This disrupts a highly conserved stem-loop structure with nanomolar efficacy and inhibits viral replication in host cells.

20 May 2021

COVID-19 cases in summer 2020 was not as low as previously thought, new genome-based model suggests

Many have attributed the low number of coronavirus disease 2019 (COVID-19) cases in the summer of 2020 to hot weather or increased outdoor activities. But a new study from researchers in Germany suggests this might not have been the case.

20 May 2021

Two new SARS-like coronaviruses described in Russian horseshoe bats

Horseshoe bats (Rhinolophus sp.) are known reservoirs of zoonotic coronaviruses (CoVs). Over the last twenty years, viruses thought to have originated from these bats have given rise to two severe acute respiratory syndrome (SARS) epidemic outbreaks in humans: SARS-CoV-1 in 2002/2003, which was limited mostly to Asia, and the currently globally circulating SARS-CoV-2, first identified in December 2019.

20 May 2021

Tokyo sees rapid rise of SARS-CoV-2 R.1 lineage

A new research paper posted to the preprint server medRxiv* reports the rise of a new lineage in Tokyo, Japan, bearing a combination of two biologically important mutations.

20 May 2021

Researchers use base editing to sustainably lower high LDL cholesterol levels

Base editing is a novel gene editing approach that can precisely change individual building blocks in a DNA sequence.

19 May 2021

How SARS-CoV-2 evolved from a bat-to a human-adapted virus

New research published on the preprint server bioRxiv* performed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) genomic simulations to understand the evolutionary transition from a bat-adapted SARS-CoV-2 to a human-adapted virus.

19 May 2021

New study will help investigate innate immune responses to viral infections

Researchers from Boston University School of Medicine (BUSM) report the formation of human cells containing a green fluorescent protein or GFP (one of the most important proteins in biology and fluorescence imaging) genetically fused with two interferon stimulated genes (ISGs), namely Viperin and ISG15.

19 May 2021

SARS-CoV-2 B.1.1.420 and B.1.617.1 immune escape variants reported in France

Researchers discovered the first N440K variant and the new E484Q and L452R Indian variants isolated in France in a recent study. They presented the genetic mutations in the isolated genomes and the phylogenetic tree, including these strains among different SARS-CoV-2 clades. This work is posted on the bioRxiv preprint server.

18 May 2021

Incorrect DNA packaging makes retrotransposons more accessible

Scientists led by Dr. Salvador Aznar-Benitah, head of the Stem Cells and Cancer laboratory at IRB Barcelona, have described the alterations that occur during mammary gland formation when heterochromatin (the part of DNA that does not actively produce proteins) is poorly regulated.

18 May 2021

Scientists develop experimental direct-acting antiviral therapy to treat COVID-19

An international team of scientists from the Menzies Health Institute Queensland (MHIQ) at Griffith University and from City of Hope, a research and treatment center for cancer, diabetes and other life-threatening diseases in the U.S., have developed an experimental direct-acting antiviral therapy to treat COVID-19.

18 May 2021

New coronavirus test can get fast, accurate results from saliva samples

A new coronavirus test can get accurate results from a saliva sample in less than 30 minutes, researchers report in the journal Nature Communications.

18 May 2021

A possible human-to-canine transmission of SARS-CoV-2

Now, researchers at the U.S. Centers for Disease Control and Prevention (CDC) identified a case of human to animal transmission when SARS-CoV-2 was detected in a healthy poodle dog living with four family members who had COVID-19.

18 May 2021

SARS-CoV-2 B.1.617 variant shows modest resistance to vaccine-induced antibodies

The World Health Organization (WHO) has labeled the double mutant B.1.617 variant — first discovered in India —a variant of concern for its high transmission rate and ability to evade immune responses. New research posted to the preprint server bioRxiv finds B.1.617 can modestly reduce neutralizing antibody responses generated from the Pfizer-BioNTech vaccine.

16 May 2021

Groundbreaking study optimizes patient's own immune system to fight tumors

A groundbreaking study led by engineering and medical researchers at the University of Minnesota Twin Cities shows how engineered immune cells used in new cancer therapies can overcome physical barriers to allow a patient's own immune system to fight tumors.

14 May 2021

What can ancient feces tell us about the evolution of the human gut microbiome?

Researchers at the Section on Pathophysiology and Molecular Pharmacology, Joslin Diabetes Center in Boston, Massachusetts, analyzed microbial DNA found in indigenous human paleofeces (desiccated excrement) from dry caves in northern Mexico and Utah. They found that the ancient human gut microbiome is similar to those of modern-day people from non-industrialized populations.

14 May 2021