Étienne-Émile Baulieu
| Étienne-Émile Baulieu | |
|---|---|
| Born |
12 December 1926 Strasbourg, France |
| Nationality | France |
| Fields | Endocrinology |
| Institutions | INSERM |
| Known for |
RU-486 DHEA neurosteroids |
Étienne-Émile Baulieu (born 12 December 1926) is a French biochemist and endocrinologist who is best known for his research in the field of steroid hormones and their role in reproduction and aging.
Baulieu was born Émile Blum in Strasbourg, France. His father, who died when he was four was Léon Blum, a physician, and an early specialist in diabetes. Baulieu changed his name during World War II when his family fled to the area near Grenoble and he engaged in the French resistance. After the war he attended the Faculté de Médecine de Paris and became a doctor of medicine in 1955. He studied further under his mentor Max Fernand Jayle in the field of steroid hormones and obtained his PhD degree in 1963 at the Lycée Pasteur, Faculté de Médecine and Faculté des Sciences in Paris.
In 1963 Baulieu was named director of INSERM, and in 1970 he became a Professor of Biochemistry at the Faculty of Medicine of Bicêtre, affiliated with University of Paris-South. Since 2004 Baulieu is a member of the French "Ethical Advisory Committee" (Comité consultatif national d'éthique) for science and health. He also presides over the "Institute of Longevity and Aging" (Institut de la longévité et du vieillissement) In 2008, he started the Institut Professor Baulieu to foster research into healthy longevity.
Baulieu has had an ongoing interest in dehydroepiandrosterone (DHEA). In 1960 he demonstrated that DHEA was the main adrenal androgen, was largely conjugated as a hydrophilic sulfate, and described its metabolism and functions. He worked to uncover the production of estrogens by the placenta during pregnancy and this led to the concept of DHEA being a "prohormone". Upon the invitation of Seymour Lieberman Baulieu became visiting scientist at the Columbia University in 1961–1962, and during this time he met Gregory Pincus, the father of the "birth control pill". Baulieu then turned to more studies in contraception and in the regulation of fertility and pregnancy. He became a pioneer in the description of intracellular sex steroid receptors and identified major intracellular participants such as the heat shock proteins. He worked on the progesterone receptor and androgen receptor. While steroid receptors are generally found within the cell, Baulieu identified a membrane receptor for a steroid hormone in Xenopus laevis.
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