Research associates prior encounter with seasonal coronavirus to milder COVID-19 symptoms
A study by Stanford University School of Medicine investigators hints that people with COVID-19 may experience milder symptoms if certain cells of their immune systems remember previous encounters with seasonal coronaviruses the ones that cause about a quarter of the common colds kids get.
These immune cells are better equipped to mobilize quickly against SARS-CoV-2, the coronavirus responsible for COVID-19, if they ve already met its gentler cousins, the scientists concluded.
The findings may help explain why some people, particularly children, seem much more resilient than others to infection by SARS-CoV-2, the coronavirus that causes COVID-19. They also might make it possible to predict which people are likely to develop the most severe symptoms of COVID-19.
New practice guideline includes recommendations for reducing blood loss during heart surgery
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New, objective approach can help estimate the age after facelift surgery
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Cancer cells become more aggressive when exposed to tissue stiffening
In cases of breast cancer, bone metastasis - when cancer cells spread to new sites in the bone - causes the most breast cancer-related harm and is often incurable in advanced disease. A new study by University of Arizona Health Sciences researchers found that cancer cells become more aggressive when exposed to tissue stiffening and that these changes persist over time.
Tumor stiffening, which develops as diseased breast tissue becomes fibrotic, plays a major role in how breast cancer cells spread throughout the body. The paper, Breast tumor stiffness instructs bone metastasis via maintenance of mechanical conditioning, published today in the journal