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The key to proper muscle growth

When a muscle grows, because its owner is still growing too or has started exercising regularly, some of the stem cells in this muscle develop into new muscle cells. The same thing happens when an injured muscle starts to ...

Medical research

Not all 'good' cholesterol is healthy

HDL cholesterol (high-density lipoprotein cholesterol), or "good cholesterol," is associated with a decreased risk of cardiovascular disease as it transports cholesterol deposited in the arteries to the liver to be eliminated. ...

Medical research

SARS-CoV-2 mutations in competition

Prior to the emergence of new mutants of the coronavirus, such as the British variant B.1.1.7, the SARS-CoV-2 variant named D614G had already mutated from the original SARS-CoV-2 pathogen that triggered the pandemic. D614G ...

Medical research

Study advances field of precision medicine

Researchers at Oregon Health & Science University have demonstrated a new method of quickly mapping the genome of single cells, while also clarifying the spatial position of the cells within the body.

Medical research

Biologists suggest a new substance to suppress neuroinflammation

Biologists from RUDN University confirmed that a well-known spasmolytic drug called hymecromone can suppress the inflammatory response in astrocytes, important glial cells of the central nervous system. Potentially, it could ...

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Understanding the evolution of SARS and COVID-19 type viruses

As COVID-19 sweeps the world, related viruses quietly circulate among wild animals. A new study shows how SARS-CoV-2, the virus that causes COVID-19, and SARS-CoV-1, which caused the 2003 SARS outbreak, are related to each ...

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Why some coronavirus strains are more infectious than others

Coronavirus outbreaks have occurred periodically, but none have been as devastating as the COVID-19 pandemic. Vivek Govind Kumar, a graduate student, and colleagues in the lab of Mahmoud Moradi at the University of Arkansas, ...

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New coronavirus variant surging in California

(HealthDay)—A coronavirus variant first identified in California is more contagious than previous forms of the virus and is spreading across the state, two new studies show.

Medical research

Your genetics influence how resilient you are to cold temperatures

Some people just aren't bothered by the cold, no matter how low the temperature dips. And the reason for this may be in a person's genes. Our new research shows that a common genetic variant in the skeletal muscle gene, ACTN3, ...