Neurosciences unlock the secret of the first abstract engravings

IMAGE: Top: Engraving discovered at the Blombos site (South Africa) dating back 75,000 years before the present. Center: Example of visual categories used in the experiment. Bottom: Lateral and inferior views… view more  Long before Lascaux paintings, humans engraved abstract motifs on stones, shells or egg shells. the earliest are 540,000 years old. For the archaeologists…

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B cells off rails early in lupus

New research on the autoimmune disease systemic lupus erythematosus (SLE) provides hints to the origins of the puzzling disorder. The results were published in Nature Immunology. In people with SLE, their B cells – part of the immune system – are abnormally activated. That makes them produce antibodies that react against their own tissues, causing…

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New high blood pressure guidelines could increase detection of gestational hypertension

Gestational hypertension — high blood pressure during pregnancy — can have persisting adverse effects on the health of mothers and their infants. In 2017, the American College of Cardiology (ACC) and the American Heart Association (AHA) released clinical guidelines for hypertension in non-pregnant adults, which lowered the blood pressure threshold to diagnose hypertension, compared to…

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Researchers elucidate mechanism between exercise and improved motor learning

IMAGE: The mTOR pathway is activated by exercise training program, and enhances spinogenesis, neuronal activity and axonal myelination. This illustration summarizes major findings of a paper published on July 3, 2019,… view more  Credit: Kai Chen, Jinan University Muscle memory — it’s not just a saying. Repetitive exercise induces improved learning for motor skills, and researchers…

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A mechanism that makes infants more likely than adults to die from sepsis is discovered

IMAGE: Scientists at the Center for Research on Inflammatory Diseases (CRID) show why pediatric patients with sepsis suffer from more inflammation and organ injury than adults. New treatment strategies may be… view more  Credit: image: Mariana J. Kaplan / NIAMS Systemic Autoimmunity Branch An immune mechanism that makes babies more likely than adults to die from…

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Discovery of pancreatic neuroendocrine subtypes could help predict likelihood of recurrence

IMAGE: Ramesh Shivdasani, MD, PhD view more  Credit: Dana-Farber Cancer Institute Two distinct subtypes discovered, each with dramatically different risks of recurrence Patients with more aggressive subtype can be monitored vigilantly for recurrence and possible treatment, while patients with the less aggressive subtype can be advised their prognosis is excellent BOSTON – Researchers have discovered two…

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