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- Leo_Sachs abstract "Leo Sachs (Hebrew: ליאו זקס; born 14 October 1924 – died 12 December 2013) was a German-born Israeli molecular biologist and cancer researcher. Born in Leipzig, he emigrated to England in 1933, and to Israel in 1952. There he joined the Weizmann Institute of Science.Prof. Leo Sachs moved to England with his family in 1933 following Hitler’s rise to power. In 1952 he received a B.Sc. from the University of Wales in Bangor. His original dream was to help establish a kibbutz in Palestine, and he even spent two years as a farm laborer, milking cows. But the doors to Palestine were virtually closed by the British, so Sachs began studying agricultural botany at the University of Wales, became fascinated along the way by genetics and development, and ended up completing a Ph.D. in genetics in 1951 at Cambridge University. Upon moving to Israel, he began to contribute to the fledgling country in the way he knew best – as a geneticist at the Weizmann Institute. Because there were no animal studies yet at the Institute, Sachs started working on a theory that human amniotic fluid, which bathes the baby in the womb, contains fetal cells that provide information about the fetus. His research proved him right, showing that these cells can be used to determine the baby's gender and other important genetic properties. Sachs's research formed the basis for amniocentesis, the widely used prenatal diagnosis of human diseases. Eventually, Sachs secured his own laboratory and a supply of mice and began working on a question that would anchor his research throughout: What controls normal development and what happens when development goes wrong? Why does the machinery in cancer cells run amok, causing abnormal proliferation? Focusing on blood stem cells, a small group of bone marrow cells that produce some 200 billion new blood cells every day, Sachs ended up, in 1963, designing the first cell culture system able to grow, clone, and induce the development of different types of normal blood cells. Using this process, he subsequently discovered and identified a family of proteins that plays a key role in controlling normal blood cell development. Later named colony stimulating factors (CSF) and interleukins, one of these CSF proteins is now used worldwide in a variety of clinical procedures, including boosting the production of infection-fighting white blood cells in cancer patients undergoing chemotherapy or radiation, and improving the success of bone marrow and peripheral blood cell transplants. Sachs also demonstrated, for the first time, that malignancy can be reversed. He showed that the proteins he had identified, along with some other compounds, set leukemic cells back on the right track – inducing them to differentiate into normal-behaving mature cells. This approach, using retinoic acid combined with chemotherapy, is now standard procedure in treating human promyelocytic leukemia, and it has greatly increased survival rates. At the Weizmann Institute, he established a section on genetics and virology and for 27 years, from 1962 to 1989, served as Head of the Institute’s Genetics Department. In addition, between 1974 and 1979 he served as Dean of Weizmann’s Biology Faculty.".
- Leo_Sachs birthDate "1924-10-14".
- Leo_Sachs birthPlace Leipzig.
- Leo_Sachs birthPlace Saxony.
- Leo_Sachs birthYear "1924".
- Leo_Sachs deathDate "2013-12-12".
- Leo_Sachs deathYear "2013".
- Leo_Sachs field Molecular_biology.
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- Leo_Sachs nationality Israel.
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- Leo_Sachs birthDate "1924-10-14".
- Leo_Sachs birthPlace Leipzig.
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- Leo_Sachs caption "Leo Sachs, 1955".
- Leo_Sachs dateOfBirth "1924-10-14".
- Leo_Sachs dateOfDeath "2013-12-12".
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- Leo_Sachs fields Molecular_biology.
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- Leo_Sachs name "Leo Sachs".
- Leo_Sachs name "Sachs, Leo".
- Leo_Sachs nationality "Israeli".
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- Leo_Sachs shortDescription "Israeli molecular biologist".
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- Leo_Sachs description "Israeli molecular biologist".
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- Leo_Sachs subject Category:Molecular_biologists.
- Leo_Sachs subject Category:Weizmann_Institute_faculty.
- Leo_Sachs subject Category:Wolf_Prize_in_Medicine_laureates.
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- Leo_Sachs comment "Leo Sachs (Hebrew: ליאו זקס; born 14 October 1924 – died 12 December 2013) was a German-born Israeli molecular biologist and cancer researcher. Born in Leipzig, he emigrated to England in 1933, and to Israel in 1952. There he joined the Weizmann Institute of Science.Prof. Leo Sachs moved to England with his family in 1933 following Hitler’s rise to power. In 1952 he received a B.Sc. from the University of Wales in Bangor.".
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