Irving Weissman

Irving Lerner "Irv" Weissman (born Great Falls, Montana, October 21, 1939)[1] is a Professor of Pathology and Developmental Biology at Stanford University[2] where he is the Director of the Stanford Institute of Stem Cell Biology and Regenerative Medicine along with Michael Longaker.

Irving Weissman
Born(1939-10-21)October 21, 1939
Great Falls, Montana
Alma mater
Scientific career
Institutions

Weissman was raised in Great Falls, Montana and started his scientific career at the McLaughlin Research Institute there. He obtained his MD from Stanford University in 1965 after earning a BS from Montana State University in 1961. His research has since focused on hematopoietic stem cell biology.

Early life

Weissman was not an exceptionally good student in high school.[3] He started assisting with medical research in 1956, when he got a summer job at Montana Deaconess Hospital. He preferred the idea of caring for laboratory mice and assisting in the lab to washing cars or similar jobs that were available to teenaged boys in the area. He was inspired by the idea that he could think scientifically and respond to a questioning, Socratic method, rather than didactic lectures about scientific facts. He ran his first experiment there during his senior year in high school, to see whether he could repeat an experiment that had recently been published. He attributes his admission to college and medical school to the resulting publications, rather than to his less-than-perfect grades.[3]

Awards

His awards include election to the National Academy of Sciences in 1989, and being named California Scientist of the Year in 2002.[4]

Research focus

He developed methods to identify stem cells, and has extensively researched stem cells and progenitor cells.[7] His research focus is "the phylogeny and developmental biology of the cells that make up the blood-forming and immune system."[2] Weissman is widely recognized as the "father of hematopoiesis" since he was the first to purify blood forming stem cells in both mice and humans. His laboratory purified stem cells from other mature cells, such as B cells, by observing the different lineage markers expressed by each immune cell type. So when the immune cells of mice reacted with fluorescently labeled antibodies specific to effector cells, the mature cells were differentiated from the newly forming stem cells.[8] His work has contributed to the understanding of how a single hematopoietic stem cell can give rise to specialized blood cells.

Weissman is also a leading expert in the field of cancer stem cell biology, where his work sheds light on the understanding of the pathogenesis of multiple human malignancies. He is also known for transgenic research in which human brain cells are grown in the brains of mice.

gollark: Impressive garden path sentence however.
gollark: Seems like a weird use of stigma.
gollark: I actually break into laboratories working on vaccines and inject myself with all of the prototypes.
gollark: Soon I will receive a second dose and get to die again.
gollark: Yes, I was vaccinated and then died and resurrected myself. 10/10 death.

References
  1. Weissman, Irving L., American Men and Women of Science, Eds. Pamela Kalte, Katherine Nemeh and Noah Schusterbauer, Vol. 7, 22nd Ed. Detroit: Gale, 2005, p552-553. Gale Document Number: CX3454833983. Retrieved November 8, 2010
  2. "Faculty & Researcher Profiles - Irving Weissman". Stanford University Medical Center. Retrieved August 27, 2011.
  3. Weissman, Irving (2016-01-01). "How One Thing Led to Another". Annual Review of Immunology. 34 (1): 1–30. doi:10.1146/annurev-immunol-032414-112003. PMID 27168238.
  4. "Irving Weissman, M.D. 2002 California Scientist of the Year". Archived from the original on 2011-05-22. Retrieved 2008-06-09.
  5. "Archived copy". Archived from the original on 2018-10-23. Retrieved 2018-10-23.CS1 maint: archived copy as title (link)
  6. Albany Medical Center Prize
  7. "Biography Format for Board of Trustees' Agenda: A brief introduction of Irving L. Weissman, M.D." Retrieved November 8, 2010
  8. Jones, Judith A. Owen, Jenni Punt, Sharon A. Stranford; with contributions by Patricia P. (2013). Kuby immunology (Seventh ed.). New York: W.H. Freeman. p. 31. ISBN 9781429219198.
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