All articles tagged with #proteins
Three minutes of all-out sprinting produced a rapid, large-scale molecular response in the blood—altering nearly a quarter of measured proteins and over 200 metabolites—far more than 90 minutes of moderate cycling, with many changes linked to vascular remodeling, metabolic health, and lower risks of obesity, type 2 diabetes, and related diseases (and potential hints at slower aging).
A Cell Reports Medicine study found that three minutes of all-out cycling sprint intervals altered about 714 blood proteins—far more than the 7 proteins shifted after 90 minutes of moderate cycling. Some sprint-induced proteins linked to lower heart disease, obesity, and type 2 diabetes risk in a database of over 53,000 people, though causation isn’t proven. The findings suggest muscle and fat tissues communicate after intense exercise, with fat cells notably responding to sprint-derived signals. The study’s small, mostly male sample limits generalization to women, and while the protein changes align with healthier profiles in real-world data, it remains unclear whether they cause better health outcomes. The work highlights that short, intense efforts can elicit a stronger internal biochemical response than longer moderate workouts, but long-term health benefits require further research.
A British startup launched a grapefruit-sized autonomous lab into orbit to study live cells and disordered aging-related proteins in microgravity, collecting data to train AI models that could improve predictions of protein behavior for drug research; the mission is a test of the system and data capture, with no plan to return the lab to Earth.
Researchers boosted sample size up to 1,000-fold per dimension with a new hydrogel recipe and ONE microscopy, allowing ordinary light microscopes to pinpoint amino acids within proteins (including GFP and a nanobody) and map protein structures at near-nanometer detail. While still short of cryo-EM/X-ray resolution, the approach could democratize high-resolution structural biology by making detailed molecular layouts accessible with standard fluorescence microscopes.
Swiss researchers comparing blood from ages 30–60, 80–90, and 100+ found 37 proteins (about 5% of the 700+ measured) in centenarians that resemble the young group more than octogenarians, suggesting key aging mechanisms can be slowed. These proteins affect immunity, metabolism, red blood cell recycling, extracellular matrix maintenance, and oxidative stress, aligning with inflammaging and underscoring lifestyle factors—nutrition, exercise, and social connections—as actionable ways to promote healthy aging. Published in Aging Cell.
Israeli scientists discovered that brain cells may spread toxic proteins linked to Alzheimer's by expelling them into surrounding tissue, potentially accelerating disease progression, with implications for early diagnosis and targeted treatments.
A study on fruit flies reveals that essential proteins involved in protecting chromosome ends are constantly evolving through an internal arms race, with key proteins like HipHop and HOAP adapting rapidly to counteract genetic threats while maintaining their core function of telomere protection.
A study shows that hormone therapy in trans women causes significant changes in blood proteins, aligning them more closely with cisgender women, which could impact health risks and treatment approaches.
Research from Melbourne shows that gender-affirming hormone therapy can significantly alter body proteins in transgender women to resemble those of cisgender women, potentially impacting health risks and highlighting the need for personalized healthcare approaches.
Scientists are studying 'death fold' proteins that regulate cell self-destruction to develop treatments for diseases like Alzheimer's and cancer, aiming to control when cells die or survive.
A study led by Ben-Gurion University, in collaboration with Harvard and Leipzig, found that green and Mediterranean diets can slow brain aging by reducing proteins linked to neurodegenerative diseases, suggesting diet's direct impact on brain health.
A large study links loneliness to changes in blood proteins that influence immune response, inflammation, and metabolic pathways, which are associated with increased risks of heart disease, stroke, diabetes, and early death, highlighting loneliness as a significant public health concern.
A new study suggests that simple chemical processes may explain how proteins, essential for life, first formed on Earth, shedding light on the origin of life.
Scientists have discovered that young blood serum, when combined with bone marrow cells, can activate anti-aging signals in human skin cells, potentially reversing signs of aging by promoting cell renewal and collagen production. This research, conducted using a 3D human skin model, highlights the role of specific proteins in this process and suggests promising avenues for future anti-aging therapies, although further testing in humans is needed.
A large study published in Cell reveals that human aging accelerates around age 50, with significant changes in protein patterns across various organs, especially blood vessels, pancreas, and spleen. The research highlights a decline in protein quality control and an increase in disease-related proteins, providing insights into the biological processes of aging and potential targets for interventions.