Biomarker

APOE Genotype Enhances P-Tau217 Prediction of Cognitive Impairment Risk

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Higher plasma phosphorylated tau 217 concentrations are linked to a significantly greater risk of cognitive impairment, particularly among adults carrying the apolipoprotein E epsilon-4 allele, according to a pooled analysis published in The Lancet Neurology. Researchers evaluated participant-level data from seven multiethnic prospective cohort studies to understand how genetic background alters the prognostic meaning of … Read more

Prednisone and Bone Health in Duchenne Muscular Dystrophy Children

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According to a study published in Scientific Reports, an international research team has identified a specific panel of blood proteins that sheds light on why the corticosteroid prednisone suppresses childhood growth and harms bone health while treating Duchenne muscular dystrophy (DMD). Researchers at Binghamton University and Carleton University found that unlike prednisone, a drug called … Read more

MRI Brain Atrophy Predicts Alzheimer’s Progression

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Researchers at the Mass General Brigham Neuroscience Institute have discovered that a specific pattern of brain shrinkage visible on MRI scans can help predict how quickly individuals with early-onset Alzheimer’s disease progress from mild cognitive impairment to dementia, according to findings published in the journal Neurology. MRI Brain Atrophy Predicts Early-Onset Alzheimer’s Progression Early-onset Alzheimer’s … Read more

Which Aging Biomarkers Are Most Reliable? New Study Analyzes 51 Longevity Papers

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According to a study published in the journal Nature Medicine, researchers analyzing 51 longitudinal intervention studies in the TranslAGE database have discovered why certain epigenetic aging biomarkers track biological changes far more reliably than others. Clocks trained to predict mortality or the pace of aging showed the strongest responsiveness across lifestyle and pharmacological longevity interventions, … Read more

New Metric Detects Early Alzheimer’s Brain Changes

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Researchers at the Sant Pau Research Institute in Barcelona have identified early microscopic white matter abnormalities in Alzheimer’s disease patients using a specialized neuroimaging metric called peak width of skeletonized mean diffusivity, or PSMD. According to a study published in the journal Alzheimer’s & Dementia, this advanced diffusion magnetic resonance imaging tool detects subtle structural … Read more

New AI Model Maps Aging Across Brain Regions

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Artificial intelligence can now generate detailed maps highlighting differences in how distinct parts of the brain age, according to a study published in the journal Proceedings of the National Academy of Sciences. Developed by University of Southern California researchers, the deep learning model analyzes magnetic resonance imaging (MRI) scans from nearly 15,000 individuals to map … Read more

New Ultrasensitive Biosensor Detects Early-Stage Liver Fibrosis via Blood Test

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Researchers at Sungkyunkwan University (SKKU), in collaboration with the Catholic University of Korea and Eunpyeong St. Mary’s Hospital, have developed an ultrasensitive electrochemical biosensor capable of detecting early-stage liver fibrosis through a small blood sample. The device, known as FIB-EIS, identifies the protein PICP to signal liver hardening, potentially replacing invasive tissue biopsies with a … Read more

BCG Vaccine May Alter Human Brain Immunity

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The Bacillus Calmette-Guérin (BCG) vaccine, typically used to prevent tuberculosis, may remodel the brain’s immune environment to potentially lower Alzheimer’s disease risk, according to research published in Communications Medicine. A year-long study led by Mass General Brigham investigators found the vaccine increased immune cell responsiveness and altered Alzheimer’s-related biomarkers in older adults without pre-existing pathology. … Read more

Voice Changes as Early Warning Signs for Asthma and COPD Flares

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Voice analysis can detect the onset of asthma and chronic obstructive pulmonary disease (COPD) exacerbations as early as the first day of symptoms, according to the TACTICAS (Telemonitoring for Asthma and COPD Through voICe AnalysiS) study published in ERJ Open Research. Researchers found that 13 specific acoustic speech features, including changes in pitch and vocal-fold … Read more

New CT Scan Biomarker Predicts Gastric Cancer Outcomes

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Researchers at the State University of Campinas (UNICAMP) in Brazil have identified a new biomarker, the Visceral-Muscular Density (VMD) index, that significantly improves prognosis prediction for gastric cancer patients. By analyzing radiodensity patterns in CT scans—a standard diagnostic tool—the team discovered that VMD can distinguish between high-risk and low-risk disease progression, potentially allowing for more … Read more

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