Matthew O'Connor

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Mitochondria for the heart
Researchers have discovered that BNIP3, which regulates mitochondrial maintenance, is increased with aging, harming the heart's ability to process energy. Mitochondrial transplantation was found to be effective against this increase in a mouse model. The heart needs energy Mitochondrial DysfunctionAs they age, the mitochondria in our cells lose their ability to provide cellular energy and...
Mouse treadmill
Results from a recent study suggest a delay in ovarian aging in mice following treadmill training; this effect was mediated by adiponectin. Pharmacologically activating adiponectin receptors extended reproductive span in mice. [1] Beyond reproduction The female reproductive system strongly influences the female aging trajectory, and its impact goes well beyond the cessation of reproduction. While...
Mitochondrial transfer
According to a new study using a mouse model of a rare disease, transplanted immune cells donate their mitochondria to neighboring donor cells, improving energy production and rescuing function [1]. Here, have some mitochondria Friedreich’s ataxia is a rare genetic disease in which deficiency in the protein frataxin impairs mitochondrial energy production, especially in energy-hungry...
Time-restricted eating
In a pilot study, patients engaging in intermittent fasting demonstrated improvements in Huntington's disease, a neurodegenerative condition currently considered untreatable. However, the study’s size and limitations call for more research [1]. Fast to survive Huntington’s disease is an inherited, progressive neurodegenerative disorder caused by an expansion of a repeated DNA sequence in the HTT gene,...
Thymus in a spleen
In a new study, thymic tissue implanted in the spleen improved immune responses against viruses and tumors and reversed age-related thymic involution in mice [1]. Growing one organ inside another The thymus is a small but crucial organ, where T cells mature to become the backbone of our adaptive immune system. There, they acquire their...
Sunlight on mitochondria
Researchers publishing in Aging Cell have found that a cocktail of molecules released by human umbilical cord mesenchymal stem cells (hUC-MSCs) can mitigate sun-induced skin aging (photoaging) in mice by restoring their cells' ability to get rid of their own damaged mitochondria (mitophagy). Wrinkles are only a small part of the problem Chronic exposure to...