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Invisible Stem Cells Evade Natural Killer Cells Using Immune Off-Switch

Image by National Institutes of Allergy and Infectious Diseases UC San Francisco scientists have discovered a new way to control the immune system’s “natural killer” (NK) cells, a finding with implications for novel cell therapies and tissue implants that can evade immune rejection. The findings could also be used to enhance the ability of cancer immunotherapies to detect and destroy lurking tumors.  The study, published Jan. 8, 2021, in the Journal of Experimental Medicine, addresses a major challenge for the field of regenerative medicine, said lead author Tobias Deuse, MD, the Julien I.E. Hoffman, MD, Endowed Chair in Cardiac Surgery in the UCSF Department of Surgery. 

The Best Evidence for How to Overcome COVID Vaccine Fears

The Best Evidence for How to Overcome COVID Vaccine Fears
scientificamerican.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from scientificamerican.com Daily Mail and Mail on Sunday newspapers.

A geneticist s biggest challenge: Curing his own son

A geneticist’s biggest challenge: Curing his own son Michaela Haas © Ron Davis and his son, Whitney, who has been mostly bedridden for 10 years [Photo courtesy of Ashley. Ron Davis and his son, Whitney, who has been mostly bedridden for 10 years [Photo courtesy of Ashley Haugen] Palo Alto, California – Whitney Dafoe’s day begins at 2:30pm. His father, Ron Davis, peeks through the keyhole into the 37-year-old’s room. Is he awake? ABSOLUTELY NO ENTRY is scrawled in red on a handmade sign pinned to the door below a picture of the Dalai Lama. Davis has rushed home from Stanford University in Palo Alto, California, to take the afternoon shift. When Whitney raises his left hand, fingers clenched to a fist, that’s Davis’s cue. Whitney is ready for his dad to change his diapers, put ice on his aching belly, and refill the IV-drip.

A geneticist s biggest challenge: Curing his own son | Coronavirus pandemic News

Palo Alto, California – Whitney Dafoe’s day begins at 2:30pm. His father, Ron Davis, peeks through the keyhole into the 37-year-old’s room. Is he awake? ABSOLUTELY NO ENTRY is scrawled in red on a handmade sign pinned to the door below a picture of the Dalai Lama. Davis has rushed home from Stanford University in Palo Alto, California, to take the afternoon shift. When Whitney raises his left hand, fingers clenched to a fist, that’s Davis’s cue. Whitney is ready for his dad to change his urinal, put ice on his aching belly, and refill the IV-drip.

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