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The study showed that not only the composition of the material but also its geometry influenced the effect of the nanoparticles on the enzyme.

Researchers from TMDU identified a novel mechanism underlying hair thinning and loss during aging. By studying cell division of hair follicle stem cells in young and aged mice, the researchers found that young mice properly balance typical symmetric and asymmetric cell divisions to regenerate hair follicles. However, during aging, an atypical type of asymmetric cell division emerges, leading to hair loss. This study could help develop new approaches to regulate organ aging and aging-associated diseases.

Credit: (URI photo/Patrick Luce) KINGSTON, R.I. - March 16, 2021 - Researchers at the University of Rhode Island have developed a new COVID-19 test that will soon be put into use across its campuses as a screening and surveillance tool for the COVID-19 virus. The saliva-based test is less invasive than many of the traditional nasal swab tests in use, and researchers say it is sensitive, specific, and can deliver results at a lower cost. The University is launching a clinical trial this week as part of the final phase of data collection and validation in preparation for an Emergency Use Author...

 E-Mail IMAGE: Sumit Chanda, co-senior study author and director of the Immunity and Pathogenesis Program at Sanford Burnham Prebys. view more  Credit: Sanford Burnham Prebys Medical Discovery Institute LA JOLLA, CALIF. - March 16, 2021 - A Nature study authored by scientists at Sanford Burnham Prebys Medical Discovery Institute and the University of Hong Kong shows that the leprosy drug clofazimine, which is FDA approved and on the World Health Organization's List of Essential Medicines, exhibits potent antiviral activities against SARS-CoV-2 and prevents the exaggerated inflammat...

 E-Mail IMAGE: Ketogenesis-deficient mice lacking the gene for HMG-CoA Synthase 2 (HMGCS2) (bottom row) develop severely fatty liver starting in the neonatal period. view more  Credit: Dr. Yuichiro Arima Ketone bodies are generally an alternative energy source during starvation, but in newborns, ketogenesis is active regardless of nutritional status. In a recent study from Kumamoto University (Japan), researchers analyzed the effects of ketogenesis in mice and found that it has a protective effect on cells by maintaining the function of mitochondria. They expect that this effect can...