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Stem cells may hold a key to developing new vaccines against COVID-19

Schematic representation of the putative altruistic defense of stem cell niche against murine hepatitis virus-1 (MHV-1) infection in dormant Mycobacterium tuberculosis (dMtb) harboring mice. The viral infection induces enhanced stemness or altruistic stem cell (ASC) reprogramming of lung mesenchymal stem cells (MSCs), which then expands and secretes yet unknown secretory products/vesicles/antimicrobial peptides to enhance the group fitness of the type ...

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Distinctive inflammatory signature found in a genetic form of ALS

Credit: Unsplash/CC0 Public Domain Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig’s disease, is a neurodegenerative disease that strikes nearly 5,000 people in the U.S. every year. About 10% of ALS cases are inherited or familial, often caused by an error in the C9orf72 gene. Compared to sporadic or non-familial ALS, C90rf72 patients are considered to have a more ...

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Russian President Vladimir Putin says Navalny deserved prison sentence

GENEVA: Russian President Vladimir Putin says opposition leader Alexei Navalny got what he deserved when he was handed a prison sentence. Navalny, Putin’s most ardent political foe, was arrested in January upon returning from Germany, where he spent five months recovering from a nerve agent poisoning that he blames on the Kremlin – an accusation that Russian officials reject. In ...

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Moscow orders mandatory vaccinations over ‘dramatic’ case rise

Credit: Unsplash/CC0 Public Domain The mayor of Moscow on Wednesday ordered mandatory vaccinations for residents of the Russian capital working in the service industry, citing a “dramatic” rise in coronavirus infections. The announcement by Sergei Sobyanin—one of the first compulsory vaccination orders for a major world city—was a stark admission from a senior Russian official that authorities are struggling to ...

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How vaccines work against the Delta variant

Credit: Pixabay/CC0 Public Domain The Delta variant of the coronavirus, first identified in India, is a cause for global concern with studies showing it is more contagious and resistant to vaccines than other forms of COVID. But there is also evidence vaccines retain important effectiveness against Delta after two doses. Here is what we know about how variants respond to ...

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Government should embrace uncertainty rather than confront it or shy away from it

Credit: Unsplash/CC0 Public Domain New research shows the UK’s COVID-19 management decisions were based on an outdated pandemic modeling structure and suggests a more resilient approach would have been more effective. In the initial months of the pandemic, regular updates using graphs showing how the R number was behaving was the mainstay of the Government’s strategy for tackling COVID-19. This ...

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How do we know where things are?

In Experiment 1, the frame moves left and right but instead of seeing the locations of the blue and red edges where they are when they flash, they always appear with the blue flash on the left and separated by the width of the frame, as if the frame were not moving. When the frame moves more than its width ...

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EU moves to pre-COVID normal as cases spike in Moscow

Credit: CC0 Public Domain The EU on Wednesday agreed to lift coronavirus restrictions for US travellers as Western countries moved toward a return to pre-COVID life, but in a stark reminder that the global pandemic was far from over, Moscow ordered mandatory jabs over a “dramatic” rise in infections. The United States was among eight countries and territories added to ...

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