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Nobel Prize 2025 In Physiology Or Medicine Awarded To Three Laureates: All You Need To Know

authorImageLavkesh Singh6 Oct, 2025
Nobel Prize 2025

Nobel Prize 2025: Fred Ramsdell, Shimon Sakaguchi, and Mary E. Brunkow received the Nobel Prize in Physiology or Medicine in 2025 for their contributions to peripheral immune tolerance. They have done research work which shifted our understanding of the protective functions of the immune system and led to new forms of treatment for autoimmune diseases.

It was announced by the Nobel Committee of Sweden, which has its seat in the Karolinska Institute. The three scientists have all worked in the U.S.A. and Japan, and they made very important contributions to work in immune regulation and also to developing therapies which properly modulate immune responses in the body.

Mary E. Brunkow is employed in the biotech firm Sonoma Biotherapeutics in San Francisco, California; Fred Ramsdell is associated with Sonoma Biotherapeutics in San Francisco, California; and Shimon Sakaguchi works at Osaka University in Japan.

Nobel Prize 2025 Schedule

This year, the Nobel Prize for Medicine was the first award which was announced today. Announcements for the other fields, such as physics, chemistry, literature, peace and economic sciences, will follow in the next days. Each release arouses worldwide interest since it recognises exceptional work which has enriched human life and knowledge.

Category

Announcement Date

Winners

Physiology or Medicine

6 October

 

Mary E. Brunkow, Fred Ramsdell, and Shimon Sakaguchi

 

Physics

7 October

 

To be Announced

 

Chemistry

8 October

 

To be Announced

 

Literature

9 October

 

To be Announced

 

Peace

10 October

 

To be Announced

 

Economic Sciences

13 October

 

To be Announced

 

What is Nobel Prize?

The will was signed by Alfred Nobel, an industrialist and inventor of Sweden, on 27 November 1895, and by so doing, he donated most of his riches to set up a series of prizes for Physics, Chemistry, Physiology or Medicine, Literature, and Peace. The awards that were later called Nobel Prizes were first granted in 1901 to those institutions or individuals whose accomplishments served mankind the most.

Over time, a sixth class, that of Economic Sciences, also emerged and was added to the list in honour of Alfred Nobel. The Nobel Peace Prize is distinguished from them in this respect, as it is awarded in Oslo, Norway, while the other ones are determined in Sweden. Indeed, the Nobel Prizes collectively epitomise the world’s most famous expression of appreciation for achievements in discovery, creativity, and humanitarian work.

Nobel Medicine Prize Highlights from the Past 25 Years

During the last 25 years, Nobel Prize in Medicine laureates have been those who discovered things that became the bases of modern science. From Arvid Carlsson in 2000 for his work on neurotransmission to Katalin Karikó and Drew Weissman in 2023 for mRNA vaccine development, every award is a big achievement. Victor Ambros and Gary Ruvkun in 2024 were awarded for the discovery of microRNA regulation, while Svante Pääbo in 2022 was awarded for unravelling the genomes of extinct hominins.



Year Laureate(s) Discovery
2025 Mary E. Brunkow, Fred Ramsdell and Shimon Sakaguchi For their discoveries concerning peripheral immune tolerance
2024 Victor Ambros and Gary Ruvkun For the discovery of microRNA and its role in post-transcriptional gene regulation
2023 Katalin Karikó and Drew Weissman For their discoveries concerning nucleoside base modifications that enabled the development of effective mRNA vaccines against COVID-19
2022 Svante Paabo For his discoveries concerning the genomes of extinct hominins and human evolution
2021 David Julius and Ardem Patapoutian For their discoveries of receptors for temperature and touch
2020 Harvey J. Alter, Michael Houghton and Charles M. Rice For the discovery of Hepatitis C virus
2019 William G. Kaelin Jr, Sir Peter J. Ratcliffe and Gregg L. Semenza For their discoveries of how cells sense and adapt to oxygen availability”
2018 James P. Allison and Tasuku Honjo For their discovery of cancer therapy by inhibition of negative immune regulation”
2017 Jeffrey C. Hall, Michael Rosbash and Michael W. Young For their discoveries of molecular mechanisms controlling the circadian rhythm”
2016 Yoshinori Ohsumi For his discoveries of mechanisms for autophagy”
2015 William C. Campbell and Satoshi Ōmura For their discoveries concerning a novel therapy against infections caused by roundworm parasites
  Tu Youyou For her discoveries concerning a novel therapy against Malaria”
2014 John O'Keefe, May-Britt Moser and Edvard I. Moser For their discoveries of cells that constitute a positioning system in the brain
2013 James E. Rothman, Randy W. Schekman and Thomas C. Südhof For their discoveries of machinery regulating vesicle traffic, a major transport system in our cells
2012 Sir John B. Gurdon and Shinya Yamanaka For the discovery that mature cells can be reprogrammed to become pluripotent
2011 Bruce A. Beutler and Jules A. Hoffmann For their discoveries concerning the activation of innate immunity
  Ralph M. Steinman For his discovery of the dendritic cell and its role in adaptive immunity
2010 Robert G. Edwards For the development of in vitro fertilization
2009 Elizabeth H. Blackburn, Carol W. Greider and Jack W. Szostak For the discovery of how chromosomes are protected by telomeres and the enzyme telomerase
2008 Harald zur Hausen For his discovery of human papilloma viruses causing cervical cancer
  Françoise Barre-Sinoussi and Luc Montagnier For their discovery of human immunodeficiency virus
2007 Mario R. Capecchi, Sir Martin J. Evans and Oliver Smithies For their discoveries of principles for introducing specific gene modifications in mice by the use of embryonic stem cells
2006 Andrew Z. Fire and Craig C. Mello For their discovery of RNA interference - gene silencing by double-stranded RNA
2005 Barry J. Marshall and J. Robin Warren For their discovery of the bacterium Helicobacter pylori and its role in gastritis and peptic ulcer disease
2004 Richard Axel and Linda B. Buck For their discoveries of odorant receptors and the organization of the olfactory system
2003 Paul C. Lauterbur and Sir Peter Mansfield For their discoveries concerning magnetic resonance imaging
2002 Sydney Brenner, H. Robert Horvitz and John E. Sulston For their discoveries concerning genetic regulation of organ development and programmed cell death
2001 Leland Hartwell, Tim Hunt and Sir Paul Nurse For their discoveries of key regulators of the cell cycle
2000 Arvid Carlsson, Paul Greengard and Eric Kandel For their discoveries concerning signal transduction in the nervous system

Why It Matters for UPSC Aspirants

The Nobel Prizes represent more than a current affairs issue for all UPSC aspirants; they connect individuals and ethical issues to science and society, provide examples for use in GS Paper 3 and Paper 4, and deepen the understanding of development in an essay that demonstrates an awareness of people's contribution to global research and the advancement of humanity. Nobel Prizes often reflect the year’s most important discoveries or global contributions. Understanding how many types of Nobel Prizes exist and the difference between the Nobel Prize and the Nobel Peace Prize also helps in conceptual clarity and essay writing. 

 

Nobel Prize 2025 FAQs

Who are the three laureates who won the 2025 Nobel Prize in Physiology or Medicine, and what was their specific discovery?

The prize was jointly awarded to Mary E. Brunkow, Fred Ramsdell, and Shimon Sakaguchi. They won for their discoveries concerning peripheral immune tolerance, which explains how the body prevents the immune system from attacking its own healthy tissues.

Where are the three Nobel laureates currently affiliated?

Mary E. Brunkow and Fred Ramsdell are both associated with the biotech firm Sonoma Biotherapeutics in San Francisco, California, U.S.A. Shimon Sakaguchi is affiliated with Osaka University in Japan.

Which institution announced the winner of the 2025 Nobel Prize in Physiology or Medicine?

The winner was announced by The Nobel Assembly at Karolinska Institutet in Sweden, which is the official body responsible for selecting the medicine laureate.

Who established the Nobel Prize, and when was it first awarded?

The prizes were established by the will of Alfred Nobel, a Swedish industrialist and the inventor of dynamite. He signed his will in 1895, and the first Nobel Prizes were granted in 1901.

What is the schedule for the Nobel Prize announcements for 2025?

The Nobel Prize announcement cycle for 2025 begins on Monday, October 6, and concludes on Monday, October 13. The final prize announced is the Nobel Prize in Economic Sciences.
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