Search results for genetics

“mRNA-based vaccines contain the genetic instructions for synthesis of a single viral protein that, when injected into the body, stimulates the immune system to make antibodies against a specific target.”

“Obesity is a complex, multifactorial disease influenced by genetic, molecular, environmental, and behavioral factors. Characterized as having excessive body fat, obesity affects more than 650 million people worldwide and markedly increases a person's risk for many chronic diseases, including cardiovascular disease, type 2 diabetes, cancer, and depression, among others.”

“This gradual deterioration of the immune system is widely considered the primary driver of the increased rate of infections and cancers in older adults. Multiple factors promote immunosenescence, including genetics, nutrition, exercise, and pathogen exposures, among others.”

“Insufficient production of either the alpha or beta proteins due to genetic defect impairs oxygen transport via the red blood cells, inducing anemia and often necessitating blood transfusions. The study involved 22 people (ages 4 to 34 years) with transfusion-dependent beta-thalassemia.”

“Future studies could test different dosing schedules, include more diverse populations and directly track microbiome, metabolic, and genetic markers to clarify how berberine works and who benefits most.”

“For example, methamidophos, a type of pesticide, damaged the barrier and disturbed sperm production in rodents. Similarly, bisphenol AF, a compound used in plastic manufacturing, damaged sperm DNA and induced genetic and epigenetic changes in fish.”

“Importantly, some people carry genetic variants that slow the body's ability to activate folic acid, which can lead to unmetabolized folic acid buildup and lower levels of usable folate, a pattern linked to poorer pregnancy-related outcomes.”

“Melanocytes from tanning bed users were more likely to contain pathogenic mutations, genetic changes known to help drive cancer, often affecting genes involved in the MAPK signaling pathway, a key growth-control system in melanoma.”

“The existence of a fixed age limit for humans is an area of debate, with some scientists theorizing that biological processes like the shortening of telomeres are irreversible, determined by genetics, and a strong predictor of death.”

“CPT also reduced neuron loss, improved movement, learning, and memory, and extended lifespan in adult flies with a disease-associated tau mutation. A genetic method of inhibiting reverse electron transport produced similar behavioral and lifespan benefits.”