by David Thorburn, Megan Munsie, The Conversation Credit: Louise Hyslop & Mary Herbert, Univ. Newcastle upon Tyne The Senate is this week debating “Maeve’s law”—a proposal to legalize access to new assisted reproductive techniques that will reduce the risk of parents passing on mitochondrial disease to their children. The legislation, formally called the Mitochondrial Donation Law...
Ranking the efficacy of hair loss drugs
by Bob Yirka, Medical Xpress Credit: Pixabay/CC0 Public Domain A team of researchers at Mediprobe Research Inc. has ranked the efficacy of hair loss drugs. In their paper published in JAMA Dermatology, the group also notes the pros and cons associated with the different kinds of hair loss treatments. Kathie Huang and Maryanne Senna, with Brigham and...
Gut microbe linked to depression in large health study
4 FEB 2022 4:45 PM BY ELIZABETH PENNISI A study involving thousands of people has identified this bacterium, Morganella, as a possible cause of depression. KATERYNA KON/SCIENCE SOURCE The trillions of bacteria in and on our bodies can bolster our health and contribute to disease, but just which microbes are the key actors has been elusive....
Old drug may have new trick: protecting against COVID-19 lung injury
WEILL CORNELL MEDICINE An FDA-approved drug that has been in clinical use for more than 70 years may protect against lung injury and the risk of blood clots in severe COVID-19 and other disorders that cause immune-mediated damage to the lungs, according to a preclinical study from researchers at Weill Cornell Medicine and Cold Spring...
New method of targeting mutant RAS protein provides hope for cancer patients
by Caroline Wallace, Medical University of South Carolina Credit: Pixabay/CC0 Public Domain As a 10-year journey comes to fruition, Medical University of South Carolina (MUSC) Hollings Cancer Center researcher John O’Bryan, Ph.D., and colleagues have demonstrated a new therapeutic way to block a protein that is frequently mutated in cancers. These proof-of-principle findings were published...
Team finds changes in fat composition of our brains’ myelin as we age
by Erin Matthews, Canadian Light Source Myelin sheath. Credit: Wikipedia. The “wear and tear” of aging is often noticed first in our bodies, but our brains also experience changes that make it harder to remember where you left your keys or the name of that acquaintance you ran into at the grocery store. Dr. Kendra...
Synthetic Enamel Could Make Teeth Stronger and Smarter
By Joanna Thompson on February 4, 2022 Credit: Jerome Tisne/Getty Images Enamel, the tough outer covering of a tooth, is the hardest substance in the human body. It is also notoriously difficult to replicate artificially. Throughout history, dentists have repaired damaged and decayed teeth with everything from beeswax to mercury composites to modern ceramic- or resin-based materials. But they might soon have a...
How Do Muscles Repair Themselves After Injury?
By Hidaya Aliouche, B.Sc. Reviewed by Emily Henderson, B.Sc. Skeletal muscle cells facilitate voluntary movements such as walking, running, and other forms of exercise. They are comprised of thin, tubular cells called muscle or myofibres due to their threadlike appearance. A single muscle is comprised of hundreds to thousands of myofibres each of which is...
ARE DEAD BACTERIA BEHIND LONG-TERM LYME DISEASE SYMPTOMS?
These remnants are significantly more inflammatory than live, intact bacteria, the researchers report. The results appear in Scientific Reports. Even after antibiotic treatment, some Lyme disease patients have an array of symptoms including neurological issues that greatly diminish their quality of life. Brain scans of these patients show persistent neuroinflammation, but the cause has been unclear....
Suppressing the spread of tumors
INSTITUTE OF SCIENCE AND TECHNOLOGY AUSTRIA VIDEO: IN CANCER CELLS, HIGH LEVELS OF THE PROTEIN MFSD1 MAKE IT HARDER FOR THEM TO MIGRATE TO OTHER PARTS OF THE BODY. CREDIT: © ISTA/MARKO ROBLEK Why some patients develop metastases and others do not is largely unclear. Researchers around ISTA professor Daria Siekhaus are now contributing to...