Coronaviruses spread primarily through the air. When infected people speak, cough, sneeze or laugh, they expel droplets of saliva containing the virus. Other people then breathe in these airborne pathogens and become infected ...
Apr 3, 2023
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There are approximately 30 trillion cells in a human body and our health is predicated on them properly interacting with and supporting each other, with the immune system playing a particularly pivotal role. One of the defining ...
Mar 31, 2023
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One of the great challenges in the fight against cancer is to design new technologies for a personalized treatment for each patient. Depending on the molecular characteristics—DNA mutations for instance—of each tumor, ...
Mar 31, 2023
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Aging (senescent) cells, which stop dividing but don't die, can accumulate in the body over the years and fuel chronic inflammation that contributes to conditions such as cancer and degenerative disorders.
Mar 30, 2023
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Johns Hopkins Medicine scientists say their 20-year study of more than 200 people with premature aging syndromes caused by abnormally short telomeres, or shortened repetitive DNA sequences at the ends of chromosomes, may ...
Mar 30, 2023
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Acetylcholine regulates blood flow, but the source of blood acetylcholine has been unclear. Now, researchers at Karolinska Institutet have discovered that certain T cells in human blood can produce acetylcholine, which may ...
Mar 30, 2023
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Scientists have long known that the complement cascade, a set of immune system proteins, protects against infection in the body. But in recent years, researchers have uncovered new roles for the system in the brain, including ...
Mar 30, 2023
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A team of scientists at the Sloan Kettering Institute have identified the STING cellular signaling pathway as a key player in keeping dormant cancer cells from progressing into aggressive tumors months, or even years, after ...
Mar 29, 2023
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A specific toxin-producing gut bacteria may be responsible for both triggering the onset of multiple sclerosis (MS) and ongoing disease activity, according to a new study led by a team of researchers at Weill Cornell Medicine ...
Mar 28, 2023
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While T cells play a critical role in the immune system by protecting the body against infection and cancer, regulation of T cell activity is necessary to prevent excessive inflammation and damage to healthy tissue.
Mar 28, 2023
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