Ihor R. Lemischka
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Ihor R. Lemischka, Ph.D. is an internationally recognized stem cell biologist and stem cell research advocate and currently both the Lillian and Henry M. Stratton Professor of Gene and Cell Medicine and Director of the Black Family Stem Cell Institute at Mount Sinai Medical Center in New York City.
His work with hematopoietic stem cells (HSC) was the first to identify their novel receptor tyrosine kinases and showed that HSC can rebuild all blood cell types in a mouse whose blood cells had been destroyed.
He has authored over 70 book chapters and publications in peer-reviewed journals.
Education and post-doctoral training
Lemischka joined Princeton University in 1986 as Assistant Professor of Molecular Biology; he became Professor in 2002. In 2007, he joined the staff at Mount Sinai Medical Center, where he is currently Professor of Gene and Cell Medicine and Director of the Black Family Stem Cell Institute.
Affiliations and awards
Lemischka is a board member of the International Society for Stem Cell Research, the Journal of Visualized Experiments (JoVE) and the New York Stem Cell Foundation. His awards include a Damon Runyon-Walter Winchell Postdoctoral, a Leukemia Social Special Fellowship, an American Cyanamid Preceptorship Award and the DuPont Young Faculty Grant. He is a journal reviewer for Cell, Science, Nature, Nature Genetics, Nature Immunology, Nature Biotechnology, Proceedings of the National Academy of Sciences, Public Library of Science, Development, Genes & Development, Journal of Clinical Investigation and Blood.
Lemischka holds or has patents pending for the following:
|7465464||Populations of cells that express flk-2 receptors|
|7445798||Populations of cells that express FLK-1 receptors|
|6960446||Method for isolating cells expressing flk-2|
|6677434||Soluble human flk-2 protein|
|6613565||Use of delta-like protein to inhibit the differentiation of stem cells|
|5912133||Method for isolating stem cells expressing flk-1 receptors|
|5747651||Antibodies against tyrosine kinase receptor flk-1|
|5621090||Nucleic acids encoding soluble human FLK-2 extracellular domain|
|5548065||Tyrosine kinase receptor human flk-2-specific antibodies|
|5367057||Tyrosine kinase receptor flk-2 and fragments thereof|
|5283354||Nucleic acids encoding hematopoietic stem cells receptors flk-1|
|5270458||Nucleic acids encoding fragments of hematopoietic stem cell receptor flk-2|
|5185438||Nucleic acids encoding hencatoporetic stem cell receptor flk-2|
Areas of concentration
Lemischka's interests include defining the cellular and molecular mechanisms that control cell fate decisions in embryonic stem cells. Research into mouse embryonic stem cells is currently being aggressively studied in the embryonic stem cells of humans.
- Fasano C, Dimos JT, Ivanova NB, Lowry N, Lemischka IR, Temple S. shRNA knockdown of Bmi-1 reveals a critical role for p21/Rb pathway in NSC self-renewal during development. Cell Stem Cell 2007; 1: 87-99. PMID 18371338
- Ivanova N, Dobrin R, Lu R, Kotenko I, Levorse J, DeCoste C, Schafer X, Lun Y, Lemischka IR. Dissecting self-renewal in stem cells with RNA interference. Nature 2006; 442: 533-538. PMID 16767105
- Moore KA, Lemischka IR. Stem cells and their niches. Science 2006; 311: 1880-1885. PMID 16574858
- Schaniel C, Li F, Schafer X, Moore T, Lemischka I, Paddison P. Delivery of short hairpin RNAs-triggers of gene silencing into mouse embryonic stem cells. Nature Methods 2006; 3: 6946-6951. PMID 16628211
- Pritsker M, Ford N, Jenq H, Lemischka IR. Genome-wide gain-of-function genetic screen identifies functionally active genes in mouse embryonic stem cells. Proc. Natl, Acad Sci USA 2006; 103: 6946-6951. PMID 16621925
- Shen Q, Wang Y, Dimos JT, Fasano CA, Phoenix TN, Lemischka IR, Ivanova NB, Stifani S, Morrisey EE, Temple S. The timing of cortical neurogenesis is encoded within lineages of individual progenitor cells. Nat Neurosci. 2006; 9: 743-751. PMID 16680166
- Pritsker M, Doniger T, Kramer L, Westcot S, Lemischka IR, . Diversification of stem cell molecular repertoire by alternative splicing. Proc. Natl. Acad. Sci. USA 2005; 102: 14290-14295. PMID 16183747
- Ivanova NB, Dimos JT, Schaniel C, Hackney JA, Moore KA, Lemischka IR. A stem cell molecular signature. Science 2002; 298: 601-604. PMID 12228721
- Phillips RL, Ernst RE, Brunk B, Ivanova N, Mahan MA, Deanehan JK, Moore KA, Overton GC, Lemischka IR. The Genetic Program of Hematopoietic Stem Cells. Science 2000; 288: 1635-1640. PMID 10834841
- Petrenko O, Beavis A, Klaine M, Godin I, Lemischka IR. The molecular characterization of the fetal stem cell marker AA4. Immunity 1999; 10: 691-700. doi:10.1016/S1074-7613(00)80068-0 PMID 10403644
- Monya Baker (October 8, 2009). "Ihor Lemischka: stem cells meet systems biology". Nature Reports. Nature. Retrieved December 22, 2009.
- Cass Cliatt (June 19, 2006). "Princeton scientists explore the next frontier of stem cell research". The Princeton Weekly Bulletin. Princeton University. Retrieved December 22, 2009.
- "Ihor Lemischka to deliver spring Dean's Lecture". Penn State Live. Penn State University. May 14, 2009. Retrieved December 22, 2009.
- Mount Sinai School of Medicine – Faculty profile
- New York State Stem Cell Science
- Mount Sinai Hospital homepage
- Mount Sinai School of Medicine homepage
- Control and Regulation of Stem Cells – interview with Catherine Cormier, SciVee
- Dissecting Cell Fate Regulation in Stem Cells, YouTube
- Stem Cell Research: An NPR Special Report, National Public Radio
- Stem Cells Meet Systems Biology, Nature Reports
- Princeton scientists explore the next frontier of stem cell research, Princeton Weekly Bulletin
- No Stem Cell Left Behind, New York Times