San Francisco-Based Scientist Wins Nobel Prize for Medicine

The article was originally published on https://sfist.com/2025/10/06/sonoma-based-scientist-wins-nobel-prize-for-medicine/A researcher based in San Francisco is one of three people who share this year's Nobel Prize in Medicine, for their work on the study of the body's immune responses and autoimmune diseases. Dr. Fred Ramsdell, PhD, an adviser for Sonoma Biotherapeutics in South San Francisco, shares this year's Nobel Prize in Medicine with Dr. Mary Brunkow, based in Seattle, and Shimon Sakaguchi, MD, PhD, of Japan. The more recent work of Ramsdell and Brunkow is preceded by research into a specific population of T-cells by Dr. Sakaguchi, which was published in 1995, as Fierce Biotech explains. The three will share the $1.1 million in prize money. Specifically, the trio's work relates to