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New Feature That Contributed to Modern Humans Evolving Away From Neanderthals Is Discovered
The team discovered that the modern human genome undergoes mutation which makes the adenylosuccinate lyase enzyme less stable, leading to a decrease in purine synthesis. This mutation did not occur in Neanderthals, so the scientists believe that it affected metabolism in brain tissues and thereby strongly contributed to modern humans evolving into a separate species.
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A Link Between Reduced Leptin Levels and Vaccine Response
Reduced levels of a metabolic hormone known as leptin is linked to poor vaccine antibody responses in the general population, a University of Queensland study has found.
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How Tendons Become Stiffer and Stronger
Researchers from ETH Zurich and the University of Zurich deciphered the cellular mechanisms through which tendons can adapt to mechanical stresses. People who carry a certain variant of a gene that is key to this mechanism show improved jumping performance.
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Supersensitive Brain Connection Triggers Hatred of Noises
A supersensitized brain connection has been discovered in individuals who suffer from misophonia, an extreme reaction to "trigger" sounds.
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Dynamic Details of Virus Infection Cycle Revealed
A critical process in the infection cycle of viruses has been revealed for the first time in dynamic detail using pioneering plant-based technology. Evidence about the process of maturation could help to develop new methods for treating viral infections.
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Scientists Insights on How SARS-CoV-2 Variants Escape Immune Response
Scientists have used structural biology techniques to map how important classes of neutralizing antibodies bind to the original strain of SARS-CoV-2, and how the process is disrupted by mutations found in new variants.
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Gene Signatures Underlying Plaque-Eating Microglia Are Discovered
Scientists have found the gene expression signatures underlying the engulfing of deposits of the amyloid-beta (Aβ) protein in the brain.
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How Do Plants Leave Their Parents’ Genomic Baggage Behind?
Passing down a healthy genome is a critical part of creating viable offspring. But what happens when you have harmful modifications in your genome that you don't want to pass down? Baby plants have evolved a method to wipe the slate clean and reinstall only the modifications that they need to grow and develop
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Investigating Itch Mechanisms in Hairless Versus Hairy Skin
A research team has recently uncovered differences in itch in non-hairy versus hairy areas of the skin, opening new areas for research.
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Certain Anticancer Therapies May Accelerate Cellular Aging
New research indicates that some anti-cancer therapies may contribute to greater inflammation and fatigue.
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