What is Tasuku Honjo?
{{Infobox scientist | name = Tasuku Honjo | native_name = 本庶 佑 | native_name_lang = ja | image = Tasuku Honjo EM1B5489 (31268678867).jpg | caption = Tasuku Honjo in 2018 | birth_date = {{Birth date and age |1942|1|27|mf=y}} | birth_place = [[Kyoto]], [[Japan]] | nationality = [[Japanese people|Japanese]] | fields = [[Molecular Immunology]] | workplaces = [[Kyoto University]] | alma_mater = [[Kyoto University]] | doctoral_advisor = [[Yasutomi Nishizuka]]<br>[[Osamu Hayaishi]] | known_for = [[Class switch recombination]]<br>[[Interleukin 4|IL-4]], [[Interleukin 5|IL-5]], [[Activation-induced cytidine deaminase|AID]]<br>[[Cancer immunotherapy]]<br>[[Programmed cell death protein 1|PD-1]] | awards = [[Imperial Prize of the Japan Academy|Imperial Prize]] {{small|(1996)}}<br>[[Robert Koch Prize|Koch Prize]] {{small|(2012)}}<br>[[Order of Culture]] {{small|(2013)}}<br>[[Tang Prize]] {{small|(2014)}}<br>[[Kyoto Prize]] {{small|(2016)}}<br>[[Warren Alpert Foundation Prize|Alpert Prize]] {{small|(2017)}}<br>[[Nobel Prize in Physiology or Medicine]] {{small|(2018)}} }} {{nobelprize|Physiology or Medicine}}{{nihongo|'''Tasuku Honjo'''|本庶 佑|Honjo Tasuku|born January 27, 1942}} is a [[Japanese people|Japanese]] [[immunologist]]. He is best known for his work of finding and naming the [[Programmed cell death protein 1|Programmed Cell Death Protein 1 (PD-1)]].<ref>{{cite journal | last1=Ishida | first1=Y. | last2=Agata | first2=Y. | last3=Shibahara | first3=K. | last4=Honjo | first4=T. | title=Induced expression of PD-1, a novel member of the immunoglobulin gene superfamily, upon programmed cell death. | url=https://archive.org/details/sim_embo-journal_1992-11_11_11/page/3887 | journal=The EMBO Journal | publisher=Wiley | volume=11 | issue=11 | year=1992 | issn=0261-4189 | doi=10.1002/j.1460-2075.1992.tb05481.x | pages=3887–3895 | pmid = 1396582 | pmc=556898}}</ref> He is also known for his discovery of [[cytokines]]: [[Inte