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Liver metastasis, metabolism, and a therapeutic conundrum

Liver metastasis, metabolism, and a therapeutic conundrum
medicalxpress.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from medicalxpress.com Daily Mail and Mail on Sunday newspapers.

New Insights into Melanoma Brain Metastases

New Insights into Melanoma Brain Metastases
miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.

New cell atlas of COVID lungs reveals why SARS-CoV-2 is deadly and different

 E-Mail NEW YORK, NY (April 29, 2021) A new study is drawing the most detailed picture yet of SARS-CoV-2 infection in the lung, revealing mechanisms that result in lethal COVID-19, and may explain long-term complications and show how COVID-19 differs from other infectious diseases. Led by researchers at Columbia University Vagelos College of Physicians and Surgeons and Herbert Irving Comprehensive Cancer Center, the study found that in patients who died of the infection, COVID-19 unleashed a detrimental trifecta of runaway inflammation, direct destruction and impaired regeneration of lung cells involved in gas exchange, and accelerated lung scarring. Though the study looked at lungs from patients who had died of the disease, it provides solid leads as to why survivors of severe COVID may experience long-term respiratory complications due to lung scarring.

Why some melanoma patients do not respond to immunotherapy

 E-Mail NEW YORK, NY (March 1, 2021) By harnessing the immune system against cancer, immunotherapies have revolutionized the way some types of cancer are treated. But most patients across cancer types do not respond, and in most cases, scientists are at a loss as to why. Researchers at Columbia and MIT have created a new technique that can uncover nearly all of the tricks cancer cells use to evade immunotherapies, which could lead to the development of more effective treatments. The researchers tested their new technique with cancer cells and matching immune cells from melanoma patients and identified previously unknown resistance mechanisms to immune checkpoint inhibitors, a powerful and widely used class of immunotherapy drugs.

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