Posts by AAAS
Analysis of SARS-CoV-2 immune response several months post-infection hints at protective immunity
A new study reports that immune memory to the SARS-CoV-2 virus was measurable for up to 8 months after infection. …
Read Full ArticleStress hormones can reawaken sleeping tumor cells, raising risk of cancer recurrence
Stress hormones and immune cells called neutrophils may contribute to the recurrence of tumors years after treatment by awakening dormant cancer cells …
Read Full ArticleTwo-way transmission of SARS-CoV-2 on mink farms
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. …
Read Full ArticleA ‘cell-less’ therapy may regenerate heart tissue without cell transplant risks
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 …
Read Full ArticleDNA nanoswitches rapidly detect SARS-CoV-2 and other emerging viruses
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 …
Read Full ArticleTargeting a conserved cell pathway may offer treatments for numerous viruses, including SARS-CoV-2
A small molecule inhibits multiple different viruses, including SARS-CoV-2, in tissue culture and in mice by targeting the same signaling pathway. …
Read Full ArticleAging-associated inflammation may worsen COVID-19 outcomes in older adults
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. …
Read Full ArticleImmune analysis in fifty patients uncovers ‘hallmark’ of severe COVID-19
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. …
Read Full ArticleSARS-CoV-2-attacking T cells found in COVID-19 patients and some uninfected individuals
COVID-19 patients with severe respiratory symptoms can rapidly generate coronavirus-attacking T cells, and can increase this production over time. …
Read Full ArticleA causal link between long-term exposure to fine air particles and greater mortality in elderly Americans
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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