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Pfizer-BioNTech COVID-19 vaccine effective against variants, study shows

Researchers at NYU Grossman School of Medicine in New York have conducted a study demonstrating the effectiveness of the Pfizer-BioNtech BNT162b2 vaccine against recently emerged variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) – the agent that causes coronavirus disease 2019 (COVID-19).

9 Feb 2021

New drug shows promise in treating pancreatic and breast cancers

ProAgio, a drug developed by Georgia State University biology professor Zhi-Ren Liu and his team, is effective at treating pancreatic cancer and prolonging survival in mice, according to a study published in the journal Cellular and Molecular Gastroenterology and Hepatology.

9 Feb 2021

Researchers create bone replicas using a hot nano-chisel

A holy grail for orthopedic research is a method for not only creating artificial bone tissue that precisely matches the real thing, but does so in such microscopic detail that it includes tiny structures potentially important for stem cell differentiation, which is key to bone regeneration.

9 Feb 2021

New discovery revises the ‘text book view’ of cell migration

Research groups at University of Helsinki and Institut Jacques Monod, Paris, discovered a new molecular mechanism that promotes cell migration.

9 Feb 2021

Metal-containing radiopharmaceuticals could improve access to diagnostic imaging of AD

A team of researchers from the Laboratory of Biophysics at NUST MISIS, Lomonosov Moscow State University and D. Mendeleev University of Chemical Technology of Russia has summarized metal-containing diagnostic agents for positron emission tomography (PET), magnetic resonance imaging (MRI), and single-photon emission computed tomography (SPECT) imaging of Alzheimer's disease (AD).

9 Feb 2021

Researchers develop self-assembling nanoparticle SARS-CoV-2 vaccines

Researchers in China have developed three SARS-CoV-2 nanoparticle vaccines, containing receptor-binding domain (RBD) trimer, S1 trimer, and ectodomain (ECD) trimer, respectively. To do this, they have used Ferritin nanoparticle self-assembly technology.

9 Feb 2021

Study reveals new molecular mechanism linked to severe anaphylaxis

Anaphylaxis is a systemic allergic reaction that can affect the skin, the gastrointestinal tract, the respiratory system and the cardiovascular system.

9 Feb 2021

Inhibition of protein glycosylation successfully prevents SARS-CoV-2 infection in vitro

A new study provides direct evidence that the oligosaccharides attached to the viral surface spike protein are essential for viral infection, offering new approaches to preventive and therapeutic drugs.

9 Feb 2021

Subgenomic RNAs could help identify asymptomatic SARS-CoV-2 infection

Researchers report the association of subgenomic RNA (sgRNA) production, the structural differences between sgRNA variants, and clinical severity in 81 clinical specimens obtained from both asymptomatic and symptomatic individuals with SARS-CoV-2 infection.

9 Feb 2021

Emergence and transmission of UK SARS-CoV-2 variant in the US

Researchers describe the impending rise to dominance of the B.1.1.7 (UK) variant in the US. Understanding this development will help to shape preventive action to reduce the infection and mortality rates.

9 Feb 2021

Vaccinated mothers may pass on SARS-CoV-2 antibodies to newborns

A new study describes the first case of anti-SARS-CoV-2 antibodies detected in the cord blood of an infant born to a mother immunized with the first dose of an mRNA COVID-19 vaccine three weeks earlier.

9 Feb 2021

A precursor to remdesivir shows therapeutic potential for COVID-19

A new study points to the potential to use the remdesivir precursor, GS-441524, as a treatment choice for COVID-19.

9 Feb 2021

Periodontitis treatment that changes oral bacteria also reduces severity of diabetes

We know that what happens in the mouth doesn't stay in the mouth - but the oral cavity's connection to the rest of the body goes way beyond chewing, swallowing and digestion.

9 Feb 2021

New platform could help advance genomic medicine research, drug discovery

A Cleveland Clinic-led team of researchers has developed a personalized genomic medicine platform that will help advance accelerate genomic medicine research and genome-informed drug discovery, according to new study results published recently in Genome Biology.

8 Feb 2021

One-dose SARS-CoV-2 vaccine policy may lead to antigenic evolution, study finds

In a new study, published on the pre-print server medRxiv, an international team of researchers found that a one-dose policy may increase the potential for antigenic evolution. The study revealed that focusing on one dose may decrease infections in the short term, but longer-term outcomes rely on this immune strength.

8 Feb 2021

HIV: New therapeutic approach to restore the effectiveness of immune cells

Prompted by the need to improve conventional treatments for people infected with the human immunodeficiency virus (HIV-1), a team from the Institut national de la recherche scientifique has identified a therapeutic approach to restore the effectiveness of immune cells.

8 Feb 2021

Compound isolated from Ophiura sarsii can be used as an affordable drug for photodynamic therapy

An unusual biologically active porphyrin compound was isolated from seabed dweller Ophiura sarsii. The substance might be used as an affordable light-sensitive drug for innovative photodynamic therapy and for targeted treatment of triple-negative breast cancer and some other cancers.

8 Feb 2021

Pfizer-BioNTech COVID-19 vaccine immune response in the elderly

In a recent medRxiv preprint publication, the team led by Professor Ravindra K. Gupta has assessed the real-world immune responses following the vaccination against the SARS-CoV-2. The team measured 1) IFN-gamma (interferon-gamma) T cell responses, 2) both total IgG Spike/ IgG Spike RBD (receptor binding domain) and 3) neutralizing antibody responses to Spike in sera.

8 Feb 2021

Researchers find new clues to how SARS-CoV-2 infects cells

The molecular details of how SARS-CoV-2 enters cells and infects them are still not clear. Researchers at Uppsala University have tested the bioinformatic predictions made by another research group and have identified receptors that could be important players in the process.

8 Feb 2021

New nanoparticle-based drug boosts the body’s innate immune system to fight tumors

A new nanoparticle-based drug can boost the body's innate immune system and make it more effective at fighting off tumors, researchers at UT Southwestern have shown.

8 Feb 2021