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Tasuku Honjo
本庶 佑
Tasuku Honjo 201311.jpg
Honjo in 2013
Born (1942-01-27) 27 January 1942 (age 83)
Nationality Japanese
Education Kyoto University (BS, MD, PhD)
Known for
Awards
Scientific career
Fields Molecular Immunology
Institutions Kyoto University
Doctoral advisor
Notable students Shizuo Akira

Tasuku Honjo (本庶 佑, Honjo Tasuku, born January 27, 1942) is a Japanese doctor and scientist. He is an immunologist, which means he studies the body's immune system. He won the 2018 Nobel Prize in Physiology or Medicine for his important discoveries.

Dr. Honjo is best known for finding a special protein called programmed cell death protein 1 (PD-1). This discovery has been very helpful in developing new ways to treat cancer. He also found important signals in the body called IL-4 and IL-5. Additionally, he discovered a key protein called AID, which helps our immune system make different kinds of antibodies.

He was chosen to be a member of important science groups around the world. These include the National Academy of Sciences in the United States and the Japan Academy. In 2018, he shared the Nobel Prize with James P. Allison. They had also won the Tang Prize together in 2014 for their work on cancer treatments.

Life and Career

Tasuku Honjo EM1B5529 (46157227432)
Dr. Honjo at a Nobel press conference in Stockholm, December 2018

Tasuku Honjo was born in Kyoto, Japan, in 1942. He studied medicine at Kyoto University and became a medical doctor in 1966. Later, in 1975, he earned his Ph.D. in Medical Chemistry from the same university.

After his studies, Dr. Honjo worked as a researcher in the United States. From 1971 to 1973, he was at the Carnegie Institution of Washington. Then, he moved to the U.S. National Institutes of Health (NIH) in Maryland. There, he studied how genes affect the immune system.

He also held several professor positions in Japan. He taught at the Tokyo Medical University and Osaka University. From 1984 to 2005, he was a professor at Kyoto University. Since 2005, he has been a professor in the Department of Immunology and Genomic Medicine at Kyoto University. He also led a university in Shizuoka from 2012 to 2017.

Dr. Honjo is a member of the Japanese Society for Immunology. He was also its president for a time. Since 2017, he has been a top professor and leader at the Kyoto University Institute for Advanced Study.

Misinformation During the COVID-19 Pandemic

During the COVID-19 pandemic, some false claims spread online. These claims said that Dr. Honjo believed the coronavirus was made in a lab. However, Dr. Honjo clearly stated that these claims were untrue. He said he was "greatly saddened" that his name was used to spread "false accusations and misinformation."

Important Discoveries

11 Hegasy CTLA4 PD1 Immunotherapy
Cancer therapy by blocking negative immune regulation (CTLA4, PD1)

Dr. Honjo's research has greatly helped us understand the immune system. He explained how our bodies make different kinds of antibodies. He showed how antibody genes rearrange themselves. He also found the DNA structure that proves this process.

In 1986, he successfully identified IL-4 and IL-5. These are important signaling molecules, called cytokines, that help control immune responses. In 2000, he discovered a protein called AID. He showed that AID is very important for the immune system to create a wide variety of antibodies.

One of his most significant discoveries was in 1992. He found a protein called PD-1 on immune cells. This discovery was a big step forward for cancer immunotherapy. By blocking PD-1, doctors can help the body's own immune system fight cancer more effectively.

Awards and Honors

Tasuku Honjo Susumu Nakanishi Ikuta Takagi Shinzo Abe Shunichi Iwasaki and Goichi Oda 20131103
Dr. Honjo and others receiving the Order of Culture from Emperor Akihito in 2013.
Masuo Aizawa and Tasuku Honjo 20100826
With Masuo Aizawa in 2010.

Dr. Honjo has received many awards for his scientific work. In 2016, he won the Kyoto Prize for his discoveries about antibodies and immune regulation. This prize also recognized how his work led to new medical treatments.

In 2018, he shared the Nobel Prize in Physiology or Medicine with American immunologist James P. Allison. They both received this top honor for their work on cancer immunotherapy. Before the Nobel Prize, they also shared the Tang Prize in 2014.

Major Awards

Here are some of the major awards Dr. Honjo has received:

  • 1981 – Noguchi Hideyo-Memorial Award for Medicine
  • 1981 – Asahi Prize
  • 1984 – Kihara Prize, Genetics Society of Japan
  • 1984 – Osaka Science Prize
  • 1985 – Erwin von Baelz Prize
  • 1988 – Takeda Medical Prize
  • 1992 – Behring-Kitasato Award
  • 1993 – Uehara Prize
  • 1996 – Imperial Prize of the Japan Academy
  • 2000 – Person of Cultural Merit
  • 2001 – Foreign Associate of U.S. National Academy of Sciences.
  • 2012 – Robert Koch Prize
  • 2013 – ribbon barOrder of Culture
  • 2014 – William B. Coley Award
  • 2014 – Tang Prize in Biopharmaceutical Science
  • 2015 – Richard V. Smalley, MD Memorial Award
  • 2016 – Kyoto Prize
  • 2016 – Keio Medical Science Prize
  • 2016 – Fudan-Zhongzhi Science Award
  • 2016 – Thomson Reuters Citation Laureates
  • 2016, 2017, 2019 – Asian Scientist 100, Asian Scientist
  • 2017 – Warren Alpert Foundation Prize
  • 2018 – Nobel Prize in Physiology or Medicine

Honorary Degrees

Dr. Honjo has also received special honorary degrees from universities:

See also

Kids robot.svg In Spanish: Tasuku Honjo para niños

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