The tapered cone shell is popular among seashell collectors for its colorful patterns, but the smooth mottled shells are also home to the cone snail which is capable of spewing a potent insulin-like venom that can paralyze its prey. Researchers at the University of New Hampshire have found that variantsContinuar Leyendo
People with Prader Willi syndrome, a genetic disorder, have an insatiable appetite. They never feel full, even after a hearty meal. The result can be life-threatening overeating and obesity. Philadelphia, Nov 18, 2021.- According to a new study, their constant hunger results in part to disordered signaling in the brain’sContinuar Leyendo
A team led by investigators at Massachusetts General Hospital (MGH) has shown that people living with amyotrophic lateral sclerosis (ALS), or Lou Gehrig’s disease, who carry a mutation in the C9orf72 gene exhibit elevated levels of tau and phosphorylated tau protein in the motor cortex region of the brain. TheContinuar Leyendo
A large analysis of health records from 87 health care centers across the United States found that people taking a class of antidepressants called selective serotonin reuptake inhibitors (SSRIs), particularly fluoxetine, were significantly less likely to die of COVID-19 than a matched control group. San Francisco, Nov 15, 2021.- TheContinuar Leyendo
University of Calgary researchers probing the gut — «the inner tube of life» — have for the first time discovered specific factors in its workings that in the future may help improve treatment for patients facing gut damage or gastrointestinal disease. Calgary, Nov 15, 2021.- The findings from Snyder InstituteContinuar Leyendo
Imagine you are in a meadow picking flowers. You know that some flowers are safe, while others have a bee inside that will sting you. How would you react to this environment and, more importantly, how would your brain react? This is the scene in a virtual-reality environment used byContinuar Leyendo
Patients with mitral and tricuspid valve regurgitation, a condition sometimes called «leaky heart valves,» appeared to do better after two years if they had a tricuspid valve repair at the time of mitral valve surgery, according to a study supported by the National Heart, Lung, and Blood Institute (NHLBI), aContinuar Leyendo
A simple RNA molecule jumpstarts the immune system’s «first responders» to viral infection and can even eradicate the SARS-CoV-2 virus in mice with chronic cases of COVID-19, a new Yale School of Medicine study finds. New Haven, CT, Nov 11. 2021.- The molecule, known as SLR14, is a simple, easyContinuar Leyendo
Altered function of the red blood cells leads to vascular damage in type 2 diabetes. Results from a new study in cells from patients with type 2 diabetes and mice show that this effect is caused by low levels of an important molecule in the red blood cells. The studyContinuar Leyendo
Using data generated from patients and mice with genetic mutation for the disorder Usher syndrome, researchers from the University of Maryland School of Medicine (UMSOM), the National Institutes of Health’s National Eye Institute (NEI), and National Institute on Deafness and Other Communication Disorders (NIDCD), documented the natural history of visionContinuar Leyendo
