Avram Hershko

Avram Hershko

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Avram Hershko (born 31 December 1937) is a Hungarian
Hungarian
Hungarian may refer to:* Hungary, a country in Central Europe* Kingdom of Hungary, state of Hungary, existing from 1000 to 1946* Hungarian people, the ethnic group primarily associated with Hungary...

-Israel
Israel
The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

i biochemist
Biology
Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, origin, evolution, distribution, and taxonomy. Biology is a vast subject containing many subdivisions, topics, and disciplines...

 and Nobel laureate in Chemistry
Chemistry
Chemistry is the science of matter, especially its chemical reactions, but also its composition, structure and properties. Chemistry is concerned with atoms and their interactions with other atoms, and particularly with the properties of chemical bonds....

.

Biography


Born Herskó Ferenc in Karcag
Karcag
Karcag is a large town in Jász-Nagykun-Szolnok county, in the Northern Great Plain region of central Hungary.Karcag has its own railway station, but InterCity trains do not stop here...

, Hungary, Hershko emigrated to Israel in 1950. Received his M.D. in 1965 and his Ph.D in 1969 from the Hebrew University-Hadassah Medical School, Jerusalem, Israel. He is currently a Distinguished Professor at the Rappaport Faculty of Medicine at the Technion in Haifa
Haifa
Haifa is the largest city in northern Israel, and the third-largest city in the country, with a population of over 268,000. Another 300,000 people live in towns directly adjacent to the city including the cities of the Krayot, as well as, Tirat Carmel, Daliyat al-Karmel and Nesher...

.

Along with Aaron Ciechanover
Aaron Ciechanover
Aaron Ciechanover is an Israeli biologist, and Nobel laureate in Chemistry.- Biography :Ciechanover was born in Haifa, British mandate of Palestine, a year before the establishment of the State of Israel...

 and Irwin Rose
Irwin Rose
Irwin A. Rose is an American biologist. Along with Aaron Ciechanover and Avram Hershko, he was awarded the 2004 Nobel Prize in Chemistry for the discovery of ubiquitin-mediated protein degradation.-Biography:...

, he was awarded the 2004 Nobel Prize in Chemistry
Nobel Prize in Chemistry
The Nobel Prize in Chemistry is awarded annually by the Royal Swedish Academy of Sciences to scientists in the various fields of chemistry. It is one of the five Nobel Prizes established by the will of Alfred Nobel in 1895, awarded for outstanding contributions in chemistry, physics, literature,...

 for the discovery of ubiquitin
Ubiquitin
Ubiquitin is a small regulatory protein that has been found in almost all tissues of eukaryotic organisms. Among other functions, it directs protein recycling.Ubiquitin can be attached to proteins and label them for destruction...

-mediated protein degradation. The ubiquitin-proteasome pathway has a critical role in maintaining the homeostasis of cells and is believed to be involved in the development and progression of diseases such as: cancer, muscular and neurological diseases, immune and inflammatory responses.

Honours and awards

  • 1987 – Weizmann Prize for Sciences (Israel)
  • 1994 – Israel Prize
    Israel Prize
    The Israel Prize is an award handed out by the State of Israel and is largely regarded as the state's highest honor. It is presented annually, on Israeli Independence Day, in a state ceremony in Jerusalem, in the presence of the President, the Prime Minister, the Knesset chairperson, and the...

     in biochemistry
  • 1999 – Gairdner International Award Canada (with A. Varshavsky)
  • 2000 – Albert Lasker Award for Basic Medical Research
    Albert Lasker Award for Basic Medical Research
    The Albert Lasker Award for Basic Medical Research is one of the prizes awarded by the Lasker Foundation for the understanding, diagnosis, prevention, treatment, and cure of disease...

     (with A. Ciechanover and A. Varshavsky).
  • 2001 – Louisa Gross Horwitz Prize
    Louisa Gross Horwitz Prize
    Louisa Gross Horwitz Prize for Biology or Biochemistry is an annual prize awarded by Columbia University to a researcher or group of researchers that have made an outstanding contribution in basic research in the fields of biology or biochemistry....

     from Columbia University
    Columbia University
    Columbia University in the City of New York is a private, Ivy League university in Manhattan, New York City. Columbia is the oldest institution of higher learning in the state of New York, the fifth oldest in the United States, and one of the country's nine Colonial Colleges founded before the...

  • 2001 – Wolf Prize in Medicine
    Wolf Prize in Medicine
    The Wolf Prize in Medicine is awarded once a year by the Wolf Foundation in Israel. It is one of the six Wolf Prizes established by the Foundation and awarded since 1978; the others are in Agriculture, Chemistry, Mathematics, Physics and Arts. The Prize is probably the third most prestigious award...

     (Israel), jointly with Alexander Varshavsky
    Alexander Varshavsky
    Alexander Varshavsky is a Russian-American biochemist and recipient of the Albert Lasker Award for Basic Medical Research, the Wolf Prize in Medicine and the Louisa Gross Horwitz Prize from Columbia University in 2001 for his research on ubiquitination...

    , for 'the discovery of the ubiquitin
    Ubiquitin
    Ubiquitin is a small regulatory protein that has been found in almost all tissues of eukaryotic organisms. Among other functions, it directs protein recycling.Ubiquitin can be attached to proteins and label them for destruction...

     system of intracellular protein degradation and the crucial functions of this system in cellular regulation."
  • 2003 – Foreign Associate, National Academy of Sciences, USA
  • 2004 – Nobel Prize
    Nobel Prize
    The Nobel Prizes are annual international awards bestowed by Scandinavian committees in recognition of cultural and scientific advances. The will of the Swedish chemist Alfred Nobel, the inventor of dynamite, established the prizes in 1895...

     in Chemistry for his discovery with Aaron Ciechanover
    Aaron Ciechanover
    Aaron Ciechanover is an Israeli biologist, and Nobel laureate in Chemistry.- Biography :Ciechanover was born in Haifa, British mandate of Palestine, a year before the establishment of the State of Israel...

     and Irwin Rose
    Irwin Rose
    Irwin A. Rose is an American biologist. Along with Aaron Ciechanover and Avram Hershko, he was awarded the 2004 Nobel Prize in Chemistry for the discovery of ubiquitin-mediated protein degradation.-Biography:...

    , of ubiquitin-mediated protein degradation.


In 2005, he was voted the co-31st-greatest Israeli of all time, in a poll by the Israeli news website Ynet
Ynet
Ynet is the most popular Israeli news and general content website. It is owned by the same conglomerate that operates Yediot Ahronot, the country's secondleading daily newspaper...

to determine whom the general public considered the 200 Greatest Israelis. Hershko's work and reception of the Nobel Prize is cited as a historic milestone in the unique history of the Technion - Israel Institute of Technology.

Publications

  • Hershko, A., Ciechanover, A., Heller, H., Haas, A.L., and Rose I.A. (1980) "Proposed role of ATP in protein breakdown: Conjugation of proteins with multiple chains of the polypeptide of ATP-dependent proteolysis". Proc. Natl. Acad. Sci. USA 77, 1783–1786.
  • Hershko, A., Heller, H., Elias, S. and Ciechanover, A. (1983) Components of ubiquitin-protein ligase system: resolution, affinity purification and role in protein breakdown. J. Biol. Chem. 258, 8206–8214.
  • Hershko, A., Leshinsky, E., Ganoth, D. and Heller, H. (1984) ATP-dependent degradation of ubiquitin-protein conjugates. Proc. Natl. Acad. Sci. USA 81, 1619–1623.
  • Hershko, A., Heller, H., Eytan, E. and Reiss, Y. (1986) The protein substrate binding site of the ubiquitin-protein ligase system. J. Biol. Chem. 261, 11992-11999.
  • Ganoth, D., Leshinsky, E., Eytan, E., and Hershko, A. (1988) A multicomponent system that degrades proteins conjugated to ubiquitin. Resolution of components and evidence for ATP-dependent complex formation. J. Biol. Chem. 263, 12412-1241.
  • Sudakin, V., Ganoth, D., Dahan, A., Heller, H., Hershko, J., Luca, F.C., Ruderman, J.V. and Hershko, A. (1995). The cyclosome, a large complex containing cyclin-selective ubiquitin ligase activity, targets cyclins for destruction at the end of mitosis. Mol. Biol. Cell 6, 185–198.

Involvement with Biotechnology


Professor Hershko serves on the Scientific Advisory Board of Oramed Pharmaceuticals.

External links


See also