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Certain RNA molecules in the nerve cells in the brain last a life time without being renewed. RNAs are generally short-lived molecules that are constantly reconstructed to adjust to environmental conditions. Neuroscientists have now demonstrated that this.
Scientists have developed a lipid nanoparticle system capable of delivering messenger RNA (mRNA) to the brain via intravenous injection, a challenge that has long been limited by the protective nature of the blood-brain barrier.
Researchers have developed a groundbreaking microscopy method that enables detailed three-dimensional (3D) RNA analysis at cellular resolution in whole intact mouse brains. The new method, called TRISCO, has the potential to transform our understanding of brain function, both in normal conditions and in disease, according to the new study.
AIRNA is one of several biotechs to debut plans for target alpha-1 antitrypsin deficiency in recent years, with competitors such as AlveoGene, Wave Life Sciences and Arrowhead Pharmaceuticals.
For $500 million, Novartis will acquire DTx Pharma and its preclinical neurological disease drugs, marking the Swiss company’s latest investment in gene-silencing medicines.
Airna will use the Series B round to launch a Phase 1/2 trial of its lead program for alpha-1 antitrypsin deficiency, a disease targeted by several other firms.
The system can be formulated completely as RNA, dramatically simplifying delivery logistics compared to traditional systems that use both RNA and DNA. Investigators have developed STITCHR, a new gene editing tool that can insert therapeutic genes into specific locations without causing unwanted mutations.
This up-to-date commentary/perspective article sheds light on the revolutionary approaches designed to target the principal viral weapon “RNA” used by RNA viruses (e.g., the severe acute respiratory syndrome coronavirus 2 “SARS-CoV-2”) to infect humans and spread infections, the genomic RNA strands.
In this article Drug Target Review’s Izzy Wood spoke to Sam Hasson, Director of Target Biology at Rgenta Therapeutics, a biotech firm in Massachusetts, US, that aims to develop small molecule therapeutics to target RNA processing. The field is faced with a number of obstacles that require specifically assay technologies to surmount.
In a step forward in the development of genetic medicines, researchers have developed a proof-of-concept model for delivering gene editing tools to treat blood disorders, allowing for the modification of diseased blood cells directly within the body.
Together, they have published dozens of papers on the mechanics of mitochondrial DNA and RNA in a single-celled, disease-causing parasite called Trypanosoma brucei. As molecular biologists at Boston University and as husband and wife, Ruslan Afasizhev and Inna Afasizheva, have worked together for decades.
A technique that enables scientists to record gene mutations and patterns of gene activity in individual cells has been extended to cover RNA splicing as well, in a study led by researchers at Weill Cornell Medicine, the New York Genome Center and the Princess Margaret Cancer Centre in Toronto.
Researchers have typically analyzed these cells as a mixed-together group, but this approach can miss rare cell types, and makes it difficult to draw conclusions about how cells interact to drive the disease. They also applied four spatial transcriptomics methods, including Slide-Seq and MERFISH, to a subset of the biopsies.
Science (2024) Related content New gene delivery vehicle shows promise for human brain gene therapy My Quest to Cure Prion Disease — Before It’s Too Late | Sonia Vallabh | TED Prion diseases lead to rapid neurodegeneration and death and are caused by misshapen versions of the prion protein in the brain.
Scientists from Northwestern Medicine have demonstrated that RNA interference could have a crucial role in the onset and development of Alzheimer’s disease (AD). Alzheimer’s disease Alzheimer’s is the most common cause of dementia. 4 Short RNAs (sRNAs) do not code for proteins.
By Leah Eisenstadt March 12, 2025 Credit: Broad Communications Scientists in the Spatial Technology Platform at the Broad develop, use, and share spatial -omics approaches, such as Perturb-FISH, that can reveal the roles of genes in various cell types and the impact of intercellular interactions on health and disease.
The biotech is acquiring rights to an RNA interference medicine Alnylam invented for a rare blood disorder, continuing a corporate makeover that began in 2020.
By Allessandra DiCorato September 28, 2023 Credit: Strittmatter Laboratory, Yale University Amyloid beta clusters (red) builds up among neurons (green) in a mouse model of Alzheimer’s disease. The scientists identified a suite of changes in cells unique to the early stages of Alzheimer’s, including some not seen before in animal studies.
With new modalities such as gene and cell therapies, RNA therapeutics, complex biologics and more, today’s science brings unprecedented opportunities to address diseases that have long remained out of reach.
Our primary focus is to design and develop RNA therapies for liver diseases. Using humans as the model, we use an approach called deep phenotyping to explore the relationships between cells, genes, biological pathways and patterns of disease. Why are you focusing on liver disease?
What are the main challenges currently faced in the treatment of chronic liver diseases, and how does Resolution Therapeutics aim to address these challenges? Once a patient develops advanced cirrhosis/end-stage liver disease there are no specific therapies to significantly avoid major decompensations and death in the next few years.
This Q&A explores how pre-clinical research is being used to identify potential therapies for Huntington’s disease, a devastating condition that currently lacks disease- modifying treatments. What makes the potential therapeutic for Huntington’s disease unique compared to other treatments?
Toll-like receptor (TLR) 7 and TLR8 are single-stranded RNA-sensing endosomal pattern recognition receptors that evolved to defend against viral infections. However, aberrant TLR7/8 activation by endogenous ligands has been implicated in the pathogenesis of autoimmune diseases including systemic lupus erythematosus.
“We are studying the placement of organelles within cells and how they communicate to help better treat disease,” said Coskun. Scrutinising these distinctions aids scientists in comprehending cellular operations, thereby fostering enhanced therapeutic approaches for diverse diseases.
This second ELRIG meeting on Therapeutic Oligonucleotides brings together esteemed scientists from academia, industry, and other members of the drug discovery community to explore the discovery, validation, and targeting of oligonucleotide-based drug candidates, including antisense oligonucleotides (ASOs) and small interfering RNA (siRNA).
Dear readers, RNA, or ribonucleic acid, plays a pivotal role in the intricate dance of cellular processes. We are committed to providing you with the highest quality content, and we believe that this report will deliver a different perspective on the topics covered.
As our understanding of the underlying biology of disease grows more sophisticated, emerging therapies operate on increasingly complex biopathological systems and mechanisms. These fields explore highly precise biological processes related to RNA, specific proteins and gene expression mechanisms.
This includes verifying the experimental design and understanding how the data was generated whether it was from RNA sequencing, mass spectrometry, or other biological assays. Figure 1: High-level workflow for early drug discovery Once the raw data has been gathered, the next step is to gain a thorough understanding of the data.
Durham, North Carolina-based Ribometrix announced a strategic collaboration deal with Genentech , a Roche company, to identify and advance novel RNA-targeted small molecule therapeutics. Targeting RNA is believed to be a way to develop therapeutics for so-called undruggable proteins. The first identifies the 3D RNA motifs.
Now the researchers describe how they re-engineered both eVLPs and parts of the prime editing protein and RNA machinery to boost editing efficiency up to 170 times in human cells compared to the previous eVLPs that deliver base editors. By Sarah C.P.
By Allessandra DiCorato June 18, 2024 Credit: Jon Arizti-Sanz SHINE, a rapid diagnostic test developed by Pardis Sabeti's lab in 2020, uses paper strips and CRISPR enzymes to identify specific sequences of viral RNA in samples. Tags: Infectious Disease Diagnostics Pardis Sabeti Paper cited Zhang YB, Arizti-Sanz J, et al. 2024.04.004.
Ras- G TPase-activating protein (SH 3 domain)- b inding p roteins (G3BP) are RNA binding proteins that plays a critical role in stress granule (SG) formation. Recent evidence suggests that G3BPs can also regulate mRNA expression through interactions with RNA outside of SGs.
By Leah Eisenstadt, Broad Communications October 23, 2024 Credit: Courtesy of the Broadbent family Brian and Julia Broadbent are raising their daughters Claire, top left, and Emma, seated, who is the first person to be diagnosed with a rare genetic disorder caused by the long noncoding RNA CHASERR.
A Practical guide to bulk RNA-seq, including guidelines for eQTL analysis By Rose Circeo April 4, 2024 Breadcrumb Home A Practical guide to bulk RNA-seq, including guidelines for eQTL analysis The Primer on Medical and Population Genetics is a series of weekly lectures on genetics topics related to human populations and disease.
Cytokines are also targeted by drugs for many diseases such as rheumatoid arthritis, COVID-19, and cancer, but until now, scientists haven’t had a comprehensive view of how different immune cells respond to different cytokines because the immune system is so complex. For many immune-mediated diseases, there's no cure or treatment.
Scientists from the Massachusetts Institute of Technology (MIT) and the University of Massachusetts Medical School (UMass), US, have collaborated to create a novel type of nanoparticle that can deliver messenger RNA that encodes for beneficial proteins to the lungs.
In this study, using RNA interference library screening, downstream anti-apoptotic molecular signaling components involved in CA-induced STC2-mediated protection against ethanol-induced apoptosis were investigated.
The scientists found a surprising number and diversity of CRISPR systems, including ones that could make edits to DNA in human cells, others that can target RNA, and many with a variety of other functions. The new systems could potentially be harnessed to edit mammalian cells with fewer off-target effects than current Cas9 systems.
Credit: OpenStax College The innate immune system has been evolutionarily successful for three reasons: its tools target the most fundamental properties of viruses , act as prophylactics —meaning they prevent diseases, rather than treat them—and are widespread. Existing medicines only pose a partial solution.
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