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While there is no cure to this neurodegenerative condition, academics and companies are pushing through with research that could help patients and their families. Different approaches that are studied include antisense oligonucleotides (ASOs), and gene therapies, which are in early clinical trials. Here, ALS and FTD also overlap.
BOSTON – A long-running debate over how an important gene-silencingprotein identifies its targets has been resolved by researchers at Massachusetts General Hospital (MGH). The findings could yield important implications for development of drugs to treat cancer and other diseases.
The reductions matched the efficacy of current therapies for ATTR amyloidosis that require chronic dosing such as Alnylam’s Onpattro (patisiran) and Ionis/Akcea’s Tegsedi (inotersen) – both gene-silencing agents which can cost around $450,000 a year. — Eric Topol (@EricTopol) June 26, 2021.
Researchers at the University of California San Francisco (UCSF) and the Whitehead Institute have developed a novel CRISPR-based tool called “CRISPRoff” that can switch off genes in human cells through epigenetic editing without altering the genetic sequence itself. The research was published earlier this month in the journal Cell.
In ATTR amyloidosis, transthyretin (TTR) protein misfolds and accumulates as amyloid deposits throughout the body. In 2019, for example it agreed to work with Dicerna on gene-silencing for liver-related cardio-metabolic disease in a deal that involved a $225 million upfront payment.
Transthyretin (TTR) is a protein that the liver produces to facilitate the transfer of thyroid hormone and vitamin A in the blood. However, due to specific reasons, the TTR protein begins to misfold and aggregate as fibrils, a process known as amyloidosis of Transthyretin (ATTR). Gene-silencing Therapies.
Researchers at the University of California San Francisco (UCSF) and the Whitehead Institute have developed a novel CRISPR-based tool called “CRISPRoff” that can switch off genes in human cells without editing the genetic sequence itself. The research was published earlier this month in the journal Cell. pyogenes dCas9.
Coding RNAs include messenger RNA (mRNA) and short interfering RNA (siRNA), which encode proteins and silencegene expression, respectively. ASOs are short single-stranded nucleotides that bind to specific messenger RNAs and prevent the production of a particular protein.
About RNAi RNAi (RNA interference) is a natural cellular process of genesilencing that represents one of the most promising and rapidly advancing frontiers in biology and drug development today. Until today, there were no approved pharmaceutical therapies for PH1.
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