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From NIH: The Director’s Blog

Sep 14, 2020 | Posted by Industry Expert | Healthcare |

The National Institutes of Health (NIH) (@NIH), a part of the U.S. Department of Health and Human Services, is the nation’s medical research agency — making important discoveries that improve health and save lives.

About the NIH Director
Francis S. Collins, M.D., Ph.D. (@NIHDirector) was appointed the 16th Director of NIH by President Barack Obama and confirmed by the Senate. He was sworn in on August 17, 2009. In this role, Dr. Collins oversees the work of the largest supporter of biomedical research in the world, spanning the spectrum from basic to clinical research. Here are some excerpts from the his latest blog posts with links read in entirety.

Building a Better Bacterial Trap for Sepsis
Spiders spin webs to catch insects for dinner. It turns out certain human immune cells, called neutrophils, do something similar to trap bacteria in people who develop sepsis, an uncontrolled, systemic infection that poses a major challenge in hospitals.

When activated to catch sepsis-causing bacteria or other pathogens, neutrophils rupture and spew sticky, spider-like webs made of DNA and antibacterial proteins. Here in red you see one of these so-called neutrophil extracellular traps (NETs) that’s ensnared Staphylococcus aureus (green), a type of bacteria known for causing a range of illnesses from skin infections to pneumonia.

Masks Save Lives
Reminding others that “masks save lives” isn’t just sound advice. It’s a scientific fact that wearing one in public can help to slow the spread of SARS-CoV-2, the virus responsible for the coronavirus disease 2019 (COVID-19) pandemic.

I’m very careful to wear a mask outside my home whenever I’m out and about. I do it not necessarily to protect myself, but to protect others. If by chance I’ve been exposed to the virus and am currently incubating it, I wouldn’t want to spread it to other people. And any of us could be an unknowing superspreader. We owe it to everyone we encounter, especially those who are more vulnerable, to protect them. As my NIH colleague Tony Fauci recently demonstrated, it’s possible to wear your mask even while you’re outside exercising.

Tackling Cancer Metastasis with Engineered Blood Platelets
When cancer cells spread to new parts of the body in a process called metastasis, they often get there by traveling through the bloodstream. To avoid alerting the immune system and possibly triggering their demise, cancer cells coax circulating blood platelets to glom onto their surfaces and mask them from detection. This deceptive arrangement has raised a tantalizing possibility: What if blood platelets could be programmed to recognize and take out those metastasizing cancer cells?

 

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Tags: Francis S. Collins MD PhDNIH

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