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An ancient RNA-guided system could simplify delivery of gene editing therapies By Corie Lok February 27, 2025 Breadcrumb Home An ancient RNA-guided system could simplify delivery of gene editing therapies The programmable proteins are compact, modular, and can be directed to modify DNA in human cells.
Functional analysis based on these structures also revealed how a 'prime editor' could achieve reverse transcription, synthesizing DNA from RNA, without 'cutting' both strands of the double helix. Clarifying these molecular mechanisms contributes greatly to designing gene-editing tools accurate enough for gene therapy treatments.
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.
If translated into the clinic, this approach could expand access and reduce the cost of gene therapies for blood disorders, many of which currently require patients receive chemotherapy and a stem cell transplant.
By Allessandra DiCorato May 16, 2024 Credit: Deverman lab Brain vasculature (in blue) surrounded by RNA (in orange) transcribed from the gene delivered to the brain in humanized mice using an engineered AAV targeting the human transferrin receptor.
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.
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.
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. Could you describe the platform of macrophage biology and cell engineering used by Resolution Therapeutics in developing their cell therapies?
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).
New approach may yield modified messenger RNAs for treating a wide range of conditions By Ari Navetta September 23, 2024 Breadcrumb Home New approach may yield modified messenger RNAs for treating a wide range of conditions The LEGO framework could help scientists create mRNA therapies that last longer and require smaller doses.
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. About the authors Dr Raminderpal Singh Dr Raminderpal Singh is a recognised visionary in the implementation of AI across technology and science-focused industries.
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.
There are a few approved therapies for DMD including four exon-skipping drugs and one AAV-microdystrophin drug, which uses a shortened version of dystrophin. AAV-based therapies often can’t be dosed more than once due to concerns about an immune response. Of note, mRNA is redosable as opposed to AAV. Human molecular genetics.
Using single-cell RNA sequencing to analyze gene expression in individual cells, the researchers have found how 86 major cytokines affect 17 immune cell types in mice. I hope our approach helps scientists make sense of any immune process, vaccine, disease, or therapy response, so that one can infer which cytokines are contributing to it.
Today, scientists use these reactions to produce customizable DNA and RNA molecules that enable genetic sequencing, drug and vaccine development, pathogen tests, cancer diagnostics, and many aspects of basic biomedical research. “I Longer synthetic DNA and RNA molecules are also critical for modern biologic drugs.
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. DOI: 10.1038/s41587-023-02078-y Tags: Liu Lab Gene editing Rare Disease Gene-based therapy delivery
Messenger RNAs with multiple “tails” could lead to more effective therapeutics By Corie Lok March 22, 2024 Breadcrumb Home Messenger RNAs with multiple “tails” could lead to more effective therapeutics Scientists have engineered long lasting mRNAs that increased therapeutic protein production in cells and animals. and Virginia W.
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. The study appears in Nature Biotechnology.
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.
“Computer science is to biology what calculus is to physics.” ” — Harold Morowitz 🔥 Ten Amazing Things (that happened this week…) A CAR-T therapy was tested in 27 children with neuroblastomas. The RNA strands shut down a specific gene in the insects, and killed half after 7 days. Shrock E.L.
I’m so proud of this team and the partnership we formed to follow the science and set up some major positive impacts on women’s health,” Blainey said. Using RNA sequencing and working with the Broad’s Metabolomics Platform and collaborators at St. Paper cited Zhu M et al.
This included compiling RNA data, as well as other data points such as patient demographics, clinical treatment arm and patient diagnosis. However, for others, it did not work – or did so only marginally, or with serious side effects,” said Stuart Henderson, global Life Sciences lead for Accenture.
But immunotherapy was not yet widely used and had not been applied clinically to Merkel cell carcinoma, so she received traditional chemotherapy and radiation therapy, suffering life-threatening complications along the way. Along the way, TIDE is showing how careful, systematic science at scale can quickly home in on promising drug targets.
Research in gene therapies and genetically engineered drugs and vaccines are growing exponentially, and will only continue to become more popular. The accelerating gene therapy market is expected to grow globally by 16.6% As more therapies are moving out of the lab and into human clinical trials, this paradigm is changing.
From an article in Science : “After 6 months, the most promising varieties had their lignin content reduced by 49.1% in Science. But what happens if you restore these cone cells, using gene therapy? approved a gene therapy for hemophilia A for the first time. of which had reduced lignin levels and extra cellulose.
From an article in Science : “After 6 months, the most promising varieties had their lignin content reduced by 49.1% in Science. But what happens if you restore these cone cells, using gene therapy? approved a gene therapy for hemophilia A for the first time. of which had reduced lignin levels and extra cellulose.
Novartis today announced a license option agreement with Voyager Therapeutics, a gene therapy company focused on next-generation adeno-associated virus (AAV) technologies, for three capsids to use in potential gene therapies for neurological diseases, with options to access capsids for two other targets. About Novartis.
Most targeted cancer therapies used today operate by inhibiting targets along well-known oncogenic signalling cascades. The reactivation of oncogenic signalling upstream or downstream of the driving oncogene is a well-studied source of resistance to targeted cancer therapies.
I had earlier proposed the use of Palmatine and Silver Nitrate in the efficacy against the RNA structure of the COVID-19 virus. 7,9 Dihydrofolate reductase-thymidylate synthase (DHFR) have been successfully exploited for the therapy of bacterial infections and other parasitic diseases such as malaria. References: Antunes Luisa (2023).
FDA classifies it as a “nonsteroidal treatment” – not a gene therapy, but it affects gene expression. But even if gene therapy could reach sufficient muscle cells to improve quality of life, another hurdle looms: the dystrophin gene that’s deleted in DMD is huge, the largest in a human genome at 2.2
KIF1A in New York: The 2023 KAND Family & Scientific Engagement Conference We won’t be posting next Saturday, but not for a lack of science! Genetic and RNA-based therapies seek to correct mutant KIF1A – improving its force generation, velocity, and distance traveled by increasing the ratio of healthy to mutant KIF1A.
Susannah is being treated with an Antisense Oligonucleotide (ASO) : To break down the term, this is a molecule designed with a sequence of 20 (oligo, “few”) letters of DNA (nucleotide) that match a sequence on the mutant KIF1A RNA (Antisense) and knock it down. Will this _ KAND? With gratitude, in the Year of Pioneers.
Norbert Makori and Pierre Jolicoeur: The Benefits of Combining Preclinical and Bioanalytical for Your Gene Therapy Studies pmjackson Fri, 03/01/2024 - 22:20 Recent advances in gene therapy have allowed for diseases to be approached differently. q: How can Altasciences support sponsors’ Gene Therapy Programs?
Mount Sinai researchers have developed a new model that uses DNA and RNA sequencing data from hundreds of patients to identify specific genes and genetic alterations responsible for never-before-defined subtypes of a blood cancer called multiple myeloma. doi: 10.1126/sciadv.abg9551. Source link: [link].
Making a little tangle of DNA visible to the eye and understanding that this is the basis of complex organisms, which might be altered in disease, was the defining moment for my future path in life sciences. Being an only child of non-academic parents, I learned to work and study independently early on.
But as an undergraduate at MIT, Martin found she could study biology and computer science and still row. In 2018, she graduated with a bachelor’s degree in computer science and biology and joined the lab of Gad Getz at the Broad Institute of MIT and Harvard to complete her master’s. The act of discovery always appealed to me.
More bottles on the medicine shelf would help, but Bhattacharyya, who’s now also a research scientist, realized that science might lead to better tools for diagnosing and treating such challenging cases. FROM STARS TO CELLS Bhattacharyya’s interest in science began not in the lab, but in the sky.
I studied Natural Sciences at the University of Cambridge, where I was exposed to a range of disciplines from chemistry to physiology, specialising in my last year in biochemistry. Pushing the boundaries of science always opens the door to new, impactful developments, although there are always challenges along the way.
14 TDP-43 is a DNA and RNA binding protein that regulates the expression and splicing of several target transcripts. Many potential toxic effects have been suggested, including the mis-splicing of the Stathmin-2 RNA transcript. ALS Therapy Development Institute, www.als.net/news/frontotemporal-dementia-vs-als/. Science vol.
About AstraZeneca AstraZeneca (LSE/STO/NYSE: AZN) is a global, science-led biopharmaceutical company that focuses on the discovery, development and commercialisation of prescription medicines, primarily for the treatment of diseases in three therapy areas – Oncology, Cardiovascular, Renal & Metabolism, and Respiratory & Immunology.
LSE/STO/NYSE: AZN) is a global, science-led biopharmaceutical company that focuses on the discovery, development and commercialisation of prescription medicines, primarily for the treatment of diseases in three therapy areas – Oncology, Cardiovascular, Renal & Metabolism, and Respiratory & Immunology. About AstraZeneca.
Gilead Sciences, Inc. Our flagship HIV therapy, Biktarvy, saw continued growth and gains in market share, despite the ongoing impact of the pandemic,” said Daniel O’Day, Chairman and Chief Executive Officer, Gilead Sciences. Biktarvy Sales Increased 24% Year-Over-Year. Key Updates Since Our Last Quarterly Release.
This method was more about serendipity than science. Another promising avenue is the use of technologies like RNA interference and gene editing, which allow scientists to turn off the production of certain proteins altogether. But as molecular biology has advanced, so too has our approach to finding new drugs.
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