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Aging modulatory effects of a decoction in Drosophila and C. elegans: mechanistic insights through NMR-based metabolomics

5 days 10 hours ago
As the challenges posed by an aging population become increasingly apparent, the prevention and treatment of age-related diseases have become key research priorities. This study hypothesizes that Zhizi Baipi Decoction exhibits aging modulatory effects. Traditional Chinese Medicine Decoction that has been passed down for generations and remains widely used in contemporary clinical practice. Due to their short lifespan, well-defined genetic backgrounds, and ease of manipulation, model organisms...
Qi Guo

Respirometry-Based Screening of Marine Natural Products Identifies Leptochelin A as a Novel Modulator of Mitochondrial Function

5 days 10 hours ago
While mitochondria are recognized as promising therapeutic targets for common pathologies of aging, existing drug discovery platforms fail to capture the adequate physiological and biological contexts necessary to identify translatable, clinically-relevant leads. The goal of this study was to identify marine natural products that modulate mitochondrial function using a screening pipeline leveraging primary human cells in a cell-based phenotypic primary screen. Using this approach, we identified...
Howard J Phang

Decreases in the sustained firing capacity of layer 2/3 pyramidal neurons in the anterior cingulate cortex of aged rats

5 days 10 hours ago
The anterior cingulate cortex (ACC) is particularly vulnerable to aging, which impairs cognitive functions such as attention and working memory. Although aging is known to alter intrinsic electrophysiological properties in other brain regions, the differences in the properties of aged ACC neurons and young adult neurons remain uninvestigated. In this study, we compared the intrinsic membrane properties and firing characteristics of aged layer 2/3 pyramidal neurons (26-month-old rats) with those...
Taketoshi Sugimura

Scientists say guava juice could make iron supplements work better

5 days 13 hours ago
Researchers found that drinking guava juice may significantly improve anemia by helping the body absorb iron more efficiently. In a review of 17 studies, women and teenage girls who consumed guava juice — especially with iron supplements — experienced noticeable increases in hemoglobin levels. Since guava contains far more vitamin C than oranges, scientists believe it could become a simple, affordable nutrition tool in regions where anemia is widespread.