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Posts by AAAS

Analysis of SARS-CoV-2 immune response several months post-infection hints at protective immunity

AAAS | 01-06-2021

A new study reports that immune memory to the SARS-CoV-2 virus was measurable for up to 8 months after infection. …

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Stress hormones can reawaken sleeping tumor cells, raising risk of cancer recurrence

AAAS | 12-02-2020

Stress hormones and immune cells called neutrophils may contribute to the recurrence of tumors years after treatment by awakening dormant cancer cells …

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Two-way transmission of SARS-CoV-2 on mink farms

AAAS | 11-10-2020

Whole-genome sequencing of SARS-CoV-2 in outbreaks on 16 mink farms has revealed virus transmission between humans to mink, as well as from mink to humans. …

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A ‘cell-less’ therapy may regenerate heart tissue without cell transplant risks

AAAS | 09-16-2020

Researchers have developed a strategy that uses exosomes – tiny membrane-bound sacs secreted by cells – to mimic the heart-regenerating effects of cardiac cell transplants …

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DNA nanoswitches rapidly detect SARS-CoV-2 and other emerging viruses

AAAS | 08-21-2020

Programmable DNA nanoswitches that bind to viral RNA in human body fluids may provide an inexpensive platform to rapidly detect a wide variety of emerging viruses, including SARS-CoV-2 …

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Targeting a conserved cell pathway may offer treatments for numerous viruses, including SARS-CoV-2

AAAS | 08-14-2020

A small molecule inhibits multiple different viruses, including SARS-CoV-2, in tissue culture and in mice by targeting the same signaling pathway. …

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Aging-associated inflammation may worsen COVID-19 outcomes in older adults

AAAS | 07-16-2020

The increased severity and mortality of SARS-CoV-2 infections in older adults may be related to inflammaging – an age-associated phenomenon of increased general inflammation. …

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Immune analysis in fifty patients uncovers ‘hallmark’ of severe COVID-19

AAAS | 07-13-2020

Researchers in France identified a unique signature for severe COVID-19 – a combination of deficiency in a particular interferon response, as well as exacerbated inflammation. …

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SARS-CoV-2-attacking T cells found in COVID-19 patients and some uninfected individuals

AAAS | 06-26-2020

COVID-19 patients with severe respiratory symptoms can rapidly generate coronavirus-attacking T cells, and can increase this production over time. …

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A causal link between long-term exposure to fine air particles and greater mortality in elderly Americans

AAAS | 06-26-2020

A new analysis provides broad evidence that long-term exposure to fine particles in the air leads to increased mortality rates among the elderly. …

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