by Compuscript Ltd Credit: Unsplash/CC0 Public Domain A significant proportion of patients who survive COVID-19 develop a constellation of life-altering symptoms that persist long after the initial infection has resolved. This post-COVID-19 syndrome may result from the development of autoreactive IgG antibodies that cause inflammation and tissue injury. The authors of a new article published...
New findings on hepatitis C immunity could inform future vaccine development
by Keck School of Medicine of USC CD8+ T cell phenotype signatures change during DAA therapy. (A–E) Box plots showing the signature scores of naïve, proliferating, central memory (TCM), effector memory (TEM), and exhausted CD8+ T cells profiles. *P ≤ 0.05; **P ≤ 0.01; ***P ≤ 0.001; ****P ≤ 0.0001. (F) Heatmap showing the scaled expression of genes...
Fiber optic smart pants offer a low-cost way to monitor movements
by Optica Researchers have developed smart pants that use fiber optic sensors to non-invasively track a person’s movements and activities. They detect 30 measurement points on each leg. Credit: Arnaldo Leal-Junior, Federal University of Espirito Santo With an aging global population comes a need for new sensor technologies that can help clinicians and caregivers remotely monitor a...
Brain imaging-based biomarker of depression identified
by Elsevier Brain imaging maps and a functional deviation map of the two depression subtypes across brain regions. Credit: Biological Psychiatry Major depressive disorder (MDD) is not only among the most common mental illnesses, affecting more than 8% of Americans, but it is also extremely variable from one person to another. Researchers have recently begun making strides toward understanding...
Methionine restriction observed to reverse old-age obesity in mice
by Impact Journals LLC Blood methionine level at day 15 (A) and day 29 (B). Credit: 2023 Kubota et al Obesity increases with aging. Methionine restriction affects lipid metabolism and can prevent obesity in mice. In a new study published in the journal Aging, researchers from AntiCancer Inc., University of California San Diego and Showa University School of...
Breakthrough Hair Loss Treatment May Have Been Discovered Using MicroRNA
SScientists may have discovered a breakthrough treatment that could help reverse hair loss by using microRNA. herkisi/Getty Images Scientists have discovered that a type of microRNA may help treat hair loss. This microRNA could aid hair regrowth by softening hair follicles, which naturally become stiffer as we age and contribute to hair loss. According to...
Triple Agonist Retatrutide Hits New Weight-Loss Highs
Mitchel L. Zoler, PhD June 26, 2023 SAN DIEGO — New designer molecules that target weight loss via multiple mechanisms continue to raise the bar of how many pounds people with overweight or obesity can lose. Retatrutide (Eli Lilly), an investigational agent that combines agonism to three key hormones that influence eating and metabolism into a single...
A French startup wants to decentralize cell and gene therapy manufacturing, making it ‘the size of a book’
Lei Lei Wu News Reporter Jérémie Laurent stumbled into biology. While studying aerospace engineering, all of Laurent’s classes were about math, so he began taking biology classes as an escape. “I just fell in love with biology,” he said. As a PhD student, he started a project at the intersection of engineering and biology —...
Oral Drug for Brain Tumor Could Change Treatment Landscape
Neil Osterweil June 04, 2023 UPDATED June 9, 2023 // Editor’s note: This story has been updated with additional comments from Dr Rimas Vincas Lukas of Northwestern University. CHICAGO — Patients with a certain type of brain tumor could soon be treated with an oral targeted drug instead of undergoing more toxic chemotherapy and radiation, say researchers reporting new results...
Taking higher-than-recommended doses of vitamin D for five years reduced the risk of atrial fibrillation
UNIVERSITY OF EASTERN FINLAND Taking higher-than-recommended doses of vitamin D for five years reduced the risk of atrial fibrillation in older men and women, according to a new study from the University of Eastern Finland. Atrial fibrillation is the most common arrhythmia, the risk of which increases with age, and which is associated with an...