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Credit: The Wistar Institute PHILADELPHIA — (March 12, 2021) — Scientists at The Wistar Institute identified a new function of ADAR1, a protein responsible for RNA editing, discovering that the ADAR1p110 isoform regulates genome […].
That stands for “adenosine deaminases acting on RNA.” But this RNA-editing class of proteins, made by all multicellular organisms, is starting to have its moment in the bioengineering sun. Sure, you’ve heard of CRISPR. But it’s 2022. The acronym you need to know now is ADARs.
Perhaps popularized by the COVID-19 vaccines, RNA-based technologies now have the potential to become the next best pesticide to combat crop pests, like insects and fungal pathogens. Over the last year, researchers have been studying the effectiveness of RNA-based pesticides, and there are already a handful of sprays in the works.
Targovax has unveiled plans to rebrand as Circio , reflecting its strategic shift to focus on expediting the development of its innovative circular RNA (circRNA) platform. Initially reported in 2011, CircRNA is a naturally occurring class of RNA.
A team led by scientists at the University of Birmingham has come a step closer to uncovering the purpose of a distinctive set of modifications found at the beginning of messenger RNA which have long remained a fundamental mystery in molecular biology. Messenger RNAs (mRNAs) are vital for protein production.
With the rapid development of biotechnology and molecular medicine, the introduction of mRNA as a vaccine or therapeutic agent enables the production of almost any desired functional protein/peptide within the human body.
Findings explain how plants use RNA to defend against fungal invaders Credit: Nicole Ward Gauthier/University of Kentucky New research reveals an essential step in scientists’ quest to create targeted, more eco-friendly fungicides that protect food crops.
Scientists have found a novel way to block the transportation of mutant RNA and subsequent production of toxic repeat proteins that lead to the death of nerve cells in the most common subtypes of motor neuron disease (MND) and frontotemporal dementia (FTD).
CHAPEL HILL, NC – Inside embryonic cells, specific proteins control the rate at which genetic information is transcribed from DNA to messenger RNA – a crucial regulatory step before proteins are created. Those specific “regulatory” proteins are called transcription factors, and they do their thing by binding to […].
A buildup of cells, proteins, or other molecules that are no longer needed can cause problems, so living things have evolved several ways to clean house. NEW YORK, JUNE 9, 2022 – In biology, getting rid of stuff can be just as important as making it. Credit: Memorial Sloan Kettering Cancer Center NEW YORK, JUNE […].
Transcription is a vital process in bacterial cell, where genetic information in DNA is transcribed to RNA for the translation of proteins that perform cellular function. Credit: The Hong Kong University of Science and Technology The emergence and spread of new forms of resistance remains a concern that urgently demand new antibiotics.
The answer may lie in the genetic code of the virus, which scientists at Duke University have found contains several silent mutations that affect protein folding. The researchers focused on the spike proteins that protrude from the surface of the coronavirus, which are responsible for viral attachment and entry into host cells.
No treatment is currently available to fight this disease, which is due to the overexpression of a specific protein. Scientists from the CNRS, INSERM, the AP-HP and the […]. It affects the peripheral nerves and causes progressive paralysis of the legs and hands.
The hunt for cancer cures has, to a large degree, been a hunt for biomarkers — DNA, peptides, RNA, proteins or more — that might set tumor cells apart from healthy tissue. On Target is a recurring feature from STAT that dives deep into the most promising drug targets in oncology.
Researchers at the UNC School of Medicine have discovered that hepatitis A virus (HAV) replication needs particular interactions between the human protein ZCCHC14 and TENT4 poly(A) polymerases, a group of enzymes. In addition, the scientists later found that the HAV needs TENT4A/B for its replication.
Scientists at Goethe University within the international consortium COVID19-NMR refine previous 2D models The genetic code of the SARS-CoV2 virus is exactly 29,902 characters long, strung through a long RNA molecule. It contains the information for the production of 27 proteins.
A 2022 study from the Royal College of Physicians and British Pharmacological Society demonstrated the potential of pharmacogenomics, with scientists identifying the genetic cause behind an individual’s drug response for over forty medicines. Just one mutation can lead to a complete change in protein formation.
Scientists from an international group led by the RIKEN Center for Integrative Medical Sciences and Yokohama City University have discovered that a pair of proteins play a key role in allowing an important type of functional non-coding RNA, known as SINEUPs, to act to promote their target messenger RNA.SINEUPs are a recently discovered type of […]. (..)
Scientists discover small RNA that regulates bacterial infection People with weakened immune systems are at constant risk of infection. The mRNAs encode the proteins that do all the work in a cell, so by measuring a bacterium’s mRNA level, one can infer the bacterium’s behavior. aeruginosa infections. Source link: [link]
By combining CRISPR technology with a protein designed with artificial intelligence (AI), it is possible to awaken individual dormant genes by disabling the chemical “off switches” that silence them. Ruohola-Baker and Levy then fused this designed protein with a disabled version of a protein called Cas9. it can be reawakened.
According to the US biopharma company, genetic analyses of publicly available sequences for the new variants of SARS-CoV-2 suggest the mutations in the viral spike protein that have made them more transmissible shouldn’t affect the way Veklury (remdesivir) works. The UK strain – known as B.1.1.7
The 2024 Nobel Prize in Physiology or Medicine has been awarded to American scientists Victor Ambros and Gary Ruvkun for their groundbreaking discovery of microRNA (or miRNA) and its role in post-transcriptional gene regulation. Their ability to modulate gene expression at the RNA level provides a novel therapeutic approach for conditions.
That is according to a New York Times report , which says Moderna is now in dispute with the National Institutes of Health (NIH) after it filed a US patent in the US that claims the company’s scientists invented the vaccine on their own.
Polymerase is a viral protein that directs how Ebola virus replicates its genome as it infects new hosts. Now scientists at La Jolla Institute for Immunology (LJI) and Scripps Research have found a promising strategy for stopping Ebola virus polymerase. and University of Texas Medical Branch (UTMB) Professor Alexander Bukreyev, Ph.D.
A new stem cell model, discovered by researchers exploring the human genome, will help scientists to map out the key genomic changes during early development. Indeed, this latest discovery follows scientists uncovering the genome stage of development in mouse embryonic stem cells (ESCs) a decade ago.
Their technology is based on synthetic messenger RNA – short for ribose nucleic acid – which is a short transcript of a longer DNA code. As it’s just a messenger molecule, it does not affect the body’s own genetic code when it is injected as a vaccine – but what it does do is instruct cells to code for copies of a certain protein.
COVID-19 antigen tests diagnose active infection by detecting SARS-CoV-2 viral proteins in samples, as opposed to PCR tests which detect viral RNA and require lab processing, but can miss infections with low virus levels.
Rice University researchers have introduced an online portal to help researchers screen COVID-19 drug candidates that might attack specific proteins of the SARS-CoV-2 virus. Lydia Kavraki, a computer scientist at the George R. We use states to reflect the dynamics of this protein in a physiological environment.”
The vaccine is based on a strand of messenger RNA – a short segment of genetical material that codes for the “Spike” protein found on the surface of the coronavirus. Around 42% of global participants and 30% of U.S. participants have racially and ethnically diverse backgrounds.
Scientists at the University of Cambridge evaluated the use of a personalized blood test that detects ctDNA to help predict the relapse risk of lung cancer. XTALKS WEBINAR: Using CRISPR interference (CRISPRi) Viability Screens to Map Long Noncoding RNA Dependencies in Tumor Cells.
Significant differences among COVID-19 diagnostic tests are resulting in inaccurate results that sometimes put populations at risk or quarantine people needlessly, contributing to skepticism about pronouncements from scientists and public health authorities. Specificity and sensitivity can be enhanced by using multiple antigens.
They inform industrial scientists what is necessary to ensure that their product meets the safety and efficacy requirements to get a product approved in humans. There are many variabilities with biosimilars and the brand name protein drug.” For more information, please download our white paper.
The new variant identified in the UK in December shows significant mutations in the Spike protein and receptor binding domain that increase its infectivity. The variant that originated in South Africa carries a mutation in the Spike protein that has been shown to reduce antibody recognition and could therefore affect efficacy of new vaccines.
As research developments into RNA vaccines help scientists accelerate drug candidates to arm the immune system against coronavirus, Pharma IQ ’s Keeping tabs on Covid-19 update returns with news from some of the biotechnology innovators leading the fight against the global pandemic.
Dr Jennifer Harbottle, senior scientist in the R&D Base Editing team of PerkinElmer’s Horizon Discovery business, looks at progress made in the realms of biotechnology and next-generation diagnostics, vaccines and therapeutics, including the application of CRISPR-Cas9 gene editing in developing and refining cell therapies.
The CRISPR gene editing system consists of the Cas9 enzyme, which serves as molecular scissors to cleave double-stranded DNA, and a guide RNA template targeted to a specific genomic sequence, which allows for precise editing. Epigenetic Editing with CRISPR. Nearly one third of human genes lack CGIs, which would limit the use of the tool.
The virus carries the information to produce a series of proteins, capable of inhibiting antiviral recognition systems of the infected cell. Actually, these systems could identify viral genetic material (here: Ribonucleic acids/RNAs) and sound the alarm. For example, viral RNAs are masked by the addition of a methyl group.
Several FDA-approved drugs – including for type 2 diabetes, hepatitis C and HIV – significantly reduce the ability of the Delta variant of SARS-CoV-2 to replicate in human cells, according to new research led by scientists at Penn State. ” The findings published today (Feb. 25) in the journal Communications Biology.
Unveiling The Potential of mRNA Technology mRNA is a single-stranded molecule that relays the genetic instructions needed to make proteins from DNA in the cell nucleus to ribosomes. Ribosomes are cellular machines that read mRNA sequences and produce proteins.
22, 2021 — Everyone has heard the scary reports about the new, more infectious coronavirus variants that are circulating in countries around the world, but scientists aren’t pushing the panic button at this point. market specifically target the spike protein to prevent transmission, explained Dr. .” FRIDAY, Jan.
Scientists in Israel have used the CRISPR Cas-9 gene editing system to destroy cancerous cells in mice without damaging other cells. To conduct the research, the scientists used hundreds of mice with two of the most aggressive forms of cancer: glioblastoma and metastatic ovarian cancer. Photo courtesy of Science Advances.
Dr. Rino Rappuoli, Chief Scientist and head of GSK Vaccines R&D said “The mRNA technology is a key strategic priority for us, and we are investing significantly in a number of mRNA programs focused on the collaboration with CureVac.
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