A new study has revealed that chemical tags once regarded as genetic clutter are in fact powerful gene silencers – and removing them could unlock safer treatments for inherited blood disorders.
Category: genetics – Page 2
In 2050, pets won’t be adopted… they’ll be designed — Glowing cats, Winged dogs!
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Genomics pioneer George Church earns first retraction for anti-aging gene therapy paper
A paper coauthored by geneticist George Church has been retracted following an internal review at a university where several coauthors are based.
The article appeared in the Proceedings of the National Academy of Sciences in 2022. The work supports an anti-aging gene therapy developed by BioViva, a company for which Church serves as an adviser. The paper’s authors claim cytomegalovirus (CMV) can be a gene therapy vector for a treatment for “aging-associated decline” that can be inhaled or injected monthly.
The work has been cited 41 times, two of which are citations from corrections to the article, according to Clarivate’s Web of Science.
Bioelectrosynthesis platform enables switch-like, precision control of cell signaling
Cells use various signaling molecules to regulate the nervous, immune, and vascular systems. Among these, nitric oxide (NO) and ammonia (NH₃) play important roles, but their chemical instability and gaseous nature make them difficult to generate or control externally.
A KAIST research team has developed a platform that generates specific signaling molecules in situ from a single precursor under an applied electrical signal, enabling switch-like, precise spatiotemporal control of cellular responses. This approach could provide a foundation for future medical technologies such as electroceuticals, electrogenetics, and personalized cell therapies.
The research team led by Professor Jimin Park from the Department of Chemical and Biomolecular Engineering, in collaboration with Professor Jihan Kim’s group, has developed a bioelectrosynthesis platform capable of producing either nitric oxide or ammonia on demand using only an electrical signal. The platform allows control over the timing, spatial range, and duration of cell responses.
Scientists develop off-the-shelf immunotherapy for ovarian cancer
Ovarian cancer is the leading cause of death among women with gynecological cancers. The current medical playbook—surgery followed by chemotherapy—initially shows promise. Tumors shrink, sometimes disappearing entirely. But in more than 80% of patients, the cancer not only comes back, but returns more aggressive and increasingly resistant to the very treatments that once seemed effective.
But now, there could be new hope. In a study published in the journal Med, UCLA researchers have detailed their development of a new type of immune cell therapy, called CAR-NKT cell therapy, that could transform ovarian cancer care by delivering superior cancer-fighting power.
“This is the culmination of over a decade of work in my lab and represents over six years of collaboration with gynecologic oncologist Dr. Sanaz Memarzadeh,” said co-senior author Lili Yang, a professor of microbiology, immunology and molecular genetics and a member of the Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research at UCLA.