By Rich Haridy, November 01, 2020 In a new study, mice with certain gut bacteria populations were found to be protected from the adverse effects of radiation We know radiation therapy is an aggressively toxic treatment methodology for fighting cancer. Gastrointestinal distress is a common side-effect but researchers are only now discovering exactly how the massive population...
Nerves keep pancreatic cancer cells from starving
by NYU Langone Health Electron microscopic image of a single human lymphocyte. Pancreatic cancer cells avert starvation by signaling to nerves, which grow into dense tumors and secrete nutrients. This is the finding of a study with experiments in cancer cells, mice, and human tissue samples published online November 2 in Cell. The study addresses pancreatic ductal...
New insight into how brain neurons influence choices
by Washington University School of Medicine By studying animals choosing between two drink options, researchers at Washington University School of Medicine in St. Louis have discovered that the activity of certain neurons in the brain leads directly to the choice of one option over another. The findings could lead to better understanding of how decision-making goes...
Malaria test as simple as a bandage
RICE UNIVERSITY IMAGE: A BANDAGELIKE TEST FOR MALARIA FEATURES AN ARRAY OF MICRONEEDLES THAT COLLECT INTERSTITIAL FLUID FROM SKIN AND DELIVERS RESULTS ON A TEST STRIP WITHIN MINUTES. HOUSTON – (Nov. 2, 2020) – Testing for malaria could become as simple as putting on a bandage. That’s the idea behind a platform developed by Rice...
How the immune system remembers viruses
TECHNICAL UNIVERSITY OF MUNICH (TUM) When a virus enters the body, it is picked up by certain cells of the immune system. They transport the virus to the lymph nodes where they present its fragments, known as antigens, to CD8+ T cells responsible control of viral infections. Each of these cells carries a unique T...
Scientists identify specific brain region and circuits controlling attention
by Massachusetts Institute of Technology LC neurons identified by the marker tyrosine hydroxylase (magenta) engineered via a virus to express ChR2 (green) which allows the neurons to become stimulated upon blue laser activation. The attentional control that organisms need to succeed in their goals comes from two abilities: the focus to ignore distractions and the discipline...
Vitamin D levels during pregnancy linked with child IQ
by Kathryn Mueller, Seattle Children’s Research Institute Vitamin D is a critical nutrient and has many important functions in the body. A mother’s vitamin D supply is passed to her baby in utero and helps regulate processes including brain development. A study published today in The Journal of Nutrition showed that mothers’ vitamin D levels during pregnancy were associated with...
Mayo Clinic study finds 1 in 8 patients with cancer harbor inherited genetic mutations
MAYO CLINIC PHOENIX, Ariz. Genetic testing can uncover inherited genetic mutations, and could individualize cancer therapies, improve survival, manage cancer in loved ones and push the boundaries of precision medicine. In a new study published in JAMA Oncology, scientists with Mayo Clinic’s Center for Individualized Medicine conducted genetic testing in more than 3,000 patients who were...
Nearly one in three young adults in the US does not know common stroke symptoms
AMERICAN HEART ASSOCIATION DALLAS, Oct. 26, 2020 — At a time when stroke is on the rise among young adults, nearly 30% of U.S. adults younger than age 45 do not know all five of the most common stroke symptoms, according to new research published today in Stroke, a journal of the American Stroke Association, a...
How to use COVID-19 testing and quarantining to safely travel for the holidays
With the holidays approaching, many people are considering whether to visit relatives or friends in the coming weeks. At the same time, cases of COVID-19 are surging toward the highest levels since the beginning of the pandemic. As a physician, daughter of vulnerable seniors and mother of young adults, I have been thinking a lot about...