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Tasuku Honjo

Tasuku Honjo

Japanese immunologist and Nobel laureate (born 1942)

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Interest in “Tasuku Honjo” spiked on Wikipedia on 2026-02-25.

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2026-01-27Peak: 8332026-02-25
30-day total: 15,273

Key Takeaways

  • Tasuku Honjo ( 本庶 佑 , Honjo Tasuku ; born January 27, 1942) is a Japanese physician-scientist and immunologist.
  • He is also known for his molecular identification of cytokines IL-4 and IL-5, as well as the discovery of activation-induced cytidine deaminase (AID) that is essential for class switch recombination and somatic hypermutation.
  • In 2018, he was awarded the Nobel Prize in Physiology or Medicine along with James P.
  • Life and career Honjo was born in Kyoto in 1942.
  • degree in 1966 from the Faculty of Medicine, Kyoto University, where in 1975 he received his Ph.

Tasuku Honjo (本庶 佑, Honjo Tasuku; born January 27, 1942) is a Japanese physician-scientist and immunologist. He won the 2018 Nobel Prize in Physiology or Medicine and is best known for his identification of programmed cell death protein 1 (PD-1). He is also known for his molecular identification of cytokines IL-4 and IL-5, as well as the discovery of activation-induced cytidine deaminase (AID) that is essential for class switch recombination and somatic hypermutation.

He was elected as a foreign associate of the National Academy of Sciences of the United States (2001), as a member of German Academy of Natural Scientists Leopoldina (2003), and also as a member of the Japan Academy (2005).

In 2018, he was awarded the Nobel Prize in Physiology or Medicine along with James P. Allison. He and Allison together had won the 2014 Tang Prize in Biopharmaceutical Science for the same achievement.

Life and career

Honjo was born in Kyoto in 1942. He completed his M.D. degree in 1966 from the Faculty of Medicine, Kyoto University, where in 1975 he received his Ph.D. degree in medical chemistry under the supervision of Yasutomi Nishizuka and Osamu Hayaishi.

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