Matthew O'Connor

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Organs
A new study has used aging trajectories of various cell types to predict diseases such as Alzheimer’s and lung cancer [1]. This expands on previous research into organ-specific aging. Age is more than one number Gone are the days when aging was assumed to be happening uniformly across every tissue at once. Today, we know...
Knee pain
Researchers have found that sustained expression of excess hypoxia-inducible factor (HIF)-1α leads to unwanted formation of blood vessels (angiogenesis) that destroys cartilage and causes osteoarthritis. A necessary but destructive factor Being required for extracellular matrix (ECM) construction and energy in the absence of oxygen, HIF-1α is necessary for cartilage-building cells (chondrocytes), which normally live in...
Younger 2027
NeuroAge Therapeutics announced Younger 2027, a six-month biological aging contest in which competitors are measured on a clinical-grade aging panel and retested six months later. Baseline testing kits begin shipping September 1, 2026, with at-home baseline testing open through February 1, 2027. A live kickoff conference open to competitors and the broader longevity community takes...
Alzheimer's MRI
A recent study suggests that hyperglycosylation in brain tissue can be a hallmark of Alzheimer’s disease [1]. Lesser-known Alzheimer’s molecular features Pathological deposits of amyloid-β plaques and tau tangles in the brain are probably the most well-known features of Alzheimer’s disease. However, Alzheimer’s also involves various metabolism-related pathologies, such as alterations in glucose metabolism [2],...
Young man as old man
A new study links accelerated aging to early-onset solid cancers, while showing that this gap is becoming wider with each new generation [1]. Why do more young people get cancer? While life expectancy has been on the rise for decades (though it has slowed in recent years), counterintuitively, early-onset cancer is becoming more common. Cancers...
RNA and DNA interaction
Researchers have found that bound pieces of RNA and DNA in the cytoplasm of senescent cells encourage these cells to secrete inflammatory factors. When transcription gets sticky As part of the transcription process that produces necessary proteins, RNA must chemically interact with DNA. When it binds to DNA and integrates itself into the genome, it...