Matthew O'Connor

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CT Scan Robot
A new study suggests that CT scans can provide information about a wide range of conditions, including some not typically diagnosed through imaging. Direct comparison with human radiologists is the next step [1]. Getting more from a scan A CT scan’s goal is usually to answer a concrete clinical question, such as what is causing...
Endothelial cells
Researchers publishing in Aging Cell have found that the regulatory protein MTR4 fights DNA damage in the blood vessel lining but decreases with aging. Vulnerable by nature This paper begins by noting the properties, and aging, of vascular endothelial cells (VECs), which line the blood vessels and govern their permeability [1]. As these cells are...
Bone structure
A new study links STING-mediated signals from marrow fat cells to inflammation and declining NAD⁺ levels in bone-forming cells. Interrupting this pathway helped preserve aging bone [1]. Making old bones Our bones live a complex life, as they are constantly remodeled: cells called osteoclasts break down existing bone, while osteoblasts build new bone. Osteoblasts arise...
Mechanical cell
Reviewers publishing in Biology have elucidated SIRT1 functional reserve as an aspect of aging, describing how its depletion is an upstream cause of age-related disorders at the cellular level and explaining why many prospective therapies that increase SIRT1 and NAD+ have not had promising results. Managing a dangerous byproduct Reactive oxygen species (ROS) are necessarily...
Proteins in the brain
A recent analysis of serum protein changes identified 16 proteins related to inflammatory, synaptic, metabolic, and Alzheimer’s disease processes whose levels change during the menopausal transition [1]. These changes were linked to cognitive health later in life. The time for interventions Menopause is mostly known as a stage that marks the end of female reproduction,...
Vegan buffet
A human trial found that even without caloric restriction, a low-fat, plant-based diet improved blood sugar control, reduced liver fat, and lowered the quantity of advanced glycation end products (AGEs) in the skin [1]. An all-you-can-eat vegan buffet Type 2 diabetes is an age-related metabolic disorder in which the body becomes less able to regulate...