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SARS-CoV-2 Disrupts Timing of Immune Response

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Once an infection is under control, the body normally uses a biochemical messenger known as TGFβ to downgrade its immune response. In severe COVID-19, however, this messenger is released at the very beginning of the infection, thus blocking the early control of the pathogen by the innate immune system. This was the conclusion of a study by Charité—Universitätsmedizin Berlin and the Leibniz Association’s German Rheumatism Research Center Berlin (DRFZ), which has now been published in Nature. The early production of the immune-dampening TGFβ messenger appears to be a hallmark of COVID-19 and has not been observed in other types of pneumonia. Correction of the immune system’s faulty timing may therefore offer a new strategy for preventing severe disease.

Source Here: medicalxpress.com

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A Single Molecule Can Switch Certain Ants From Workers to a Queen

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PHILADELPHIA, Pa. — All hail — the worker ant? It may sound like a Cinderella story, but a new study finds a species of ant can transform from a worker to a queen thanks to “flipping the switch” of a single molecule. Scientists from the University of Pennsylvania say ants of the Harpegnathos saltator species…

The post A single molecule can switch certain ants from workers to a queen appeared first on Study Finds.

Source: studyfinds.org

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Ultra-thin Microchip Can Monitor Health by Placing a ‘computer on the Bone’

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TUCSON, Ariz. — A microchip attached to a bone in your body may be the future of preventing osteoporosis. Scientists from the University of Arizona have developed an ultra-thin computer which they hope will one day monitor a patient’s bone health from inside their own bodies. The microchip, which is as thin as a sheet of…

The post Ultra-thin microchip can monitor health by placing a ‘computer on the bone’ appeared first on Study Finds.

Article: studyfinds.org

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Plant-derived Drug Effective at Blocking COVID-19’s Delta Variant

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NOTTINGHAM, United Kingdom — The COVID-19 pandemic continues to drag on, continually reinvigorated every few months by the emergence of yet another variant. While each new variant is a major global health concern, the Delta variant in particular has emerged as a particularly nasty and infectious version of SARS-CoV-2. On a positive note, scientists report a…

The post Plant-derived drug effective at blocking COVID-19’s Delta variant appeared first on Study Finds.

Article: studyfinds.org

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