Shimon Sakaguchi
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Who is this?
Shimon Sakaguchi (坂口 志文, Sakaguchi Shimon; born 19 January 1951) is a Japanese immunologist, a Distinguished Professor of Osaka University, and a Professor Emeritus of Kyoto University. His work includes the discovery of regulatory T cells and describing their role in the immune system. In 2025, he was jointly awarded the Nobel Prize in Physiology or Medicine with Mary E. Brunkow and Fred Ramsdell.
What happened recently
Shimon Sakaguchi Hunted for an Immune Cell Others Dismissed. It Earned Him a Nobel Prize
RegCell Scientific Founder and Board Member Dr. Shimon Sakaguchi Awarded Nobel Prize in Physiology or Medicine
2025 Nobel Prize in medicine: Elmhurst, IL native Frederick Ramsdell shares win with Mary E. Brunkow, Shimon Sakaguchi
Dora L. Vallejo-Ardila: 2025 Nobel Prize in Medicine - Shimon Sakaguchi and the Power of Immune Regulation
Nobel laureate Shimon Sakaguchi conducted postdoctoral studies at Johns Hopkins in the 1980s
Mary Brunkow, Fred Ramsdell and Shimon Sakaguchi win Nobel for key immune system discoveries
Didn't pick up the Nobel call: Meet the winners of Nobel Prize 2025 in Medicine
Three scientists — 2 Americans, 1 Japanese — take home Nobel Prize in medicine for work on human immune system
Meet the 2025 Nobel laureates in Physiology: Degrees and labs that shaped their careers
Former Scripps Research assistant professor awarded 2025 Nobel Prize in Physiology or Medicine
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