Tag

Proteomics

All articles tagged with #proteomics

Aging Accelerates at 50 Across the Body, New Study Finds
health4 days ago

Aging Accelerates at 50 Across the Body, New Study Finds

A study analyzing 516 tissue samples from 76 organ donors aged 14–68 shows rapid aging begins around age 50, with different organs aging at different rates. The findings support aging as a systemic, nonuniform process and highlight the need for further research. In the meantime, NIH/CDC guidance emphasizes regular exercise, a nutrient-rich diet, portion control, and social engagement to maintain health and quality of life into later years.

Single-cell proteomics maps human liver zonation and its fragility in diseased tissue
science8 days ago

Single-cell proteomics maps human liver zonation and its fragility in diseased tissue

Researchers used advanced scDVP to profile hundreds of hepatocytes from 18 people, building a high-resolution map of protein gradients along the liver's porto–central axis. They quantified ~2,500 proteins per cell, showed roughly half are zonated, and introduced gradient-based analysis to quantify zonation without binning. Cross-species comparison with mice revealed shared and human-specific zonation features; in tissues with disrupted architecture, zonation is broadly lost. The study delivers an open-access liver proteome resource and a framework applicable to spatial proteomics.

Proteins from a 1531 medical text hint at Renaissance hair cures and odd remedies
science1 month ago

Proteins from a 1531 medical text hint at Renaissance hair cures and odd remedies

A proteomics analysis of Bartholomäus Vogtherr’s 1531 medical manuals recovered 111 proteins from the pages, including traces that could match plants (beech, watercress, rosemary) and animals (lizard, tortoise shell, hippopotamus). Notably, protein near hair-growth recipes suggests readers experimented with lizard heads for hair loss and hippo-derived ingredients for dental/mouth issues, illustrating how Renaissance readers tested unconventional cures and shedding light on early modern household science, per a study in the American Historical Review.

Innovative Study Promises Advances in Diabetes Detection and Management
health7 months ago

Innovative Study Promises Advances in Diabetes Detection and Management

A groundbreaking study reveals that insulin resistance and type 2 diabetes are more complex than previously thought, with individual molecular signatures in muscle tissue influencing insulin sensitivity. This research paves the way for personalized diagnosis and treatment, moving beyond traditional blood tests to early detection through muscle protein analysis, potentially transforming diabetes management worldwide.

Ancient Proteins Reveal New Insights into Rhino Evolution and Paleontology
science7 months ago

Ancient Proteins Reveal New Insights into Rhino Evolution and Paleontology

Paleontologists have discovered preserved ancient proteins in a 24-million-year-old rhinoceros fossil, challenging previous timelines of rhino evolution and demonstrating the potential of protein analysis to study deep past species beyond the limits of ancient DNA, thereby opening new avenues for understanding evolutionary history.

Ancient Teeth and Proteins Uncover Secrets of Human Evolution
science9 months ago

Ancient Teeth and Proteins Uncover Secrets of Human Evolution

Small pieces of tooth enamel from 2 million-year-old fossils in South Africa have been analyzed using proteomics, revealing new insights into early human relatives, including sex determination and potential species diversity, highlighting the limitations of traditional methods and the promise of advanced protein analysis in paleoanthropology.