Hans_Clevers

Hans Clevers

Hans Clevers

Dutch molecular genetics and stem cell researcher


Johannes (Hans) Carolus Clevers (born 27 March 1957)[2][3] is a Dutch molecular geneticist, cell biologist and stem cell researcher. He became the Head of Pharma, Research and Early Development, and a member of the Corporate Executive Committee, of the Swiss healthcare company Roche in 2022.[7][8] Previously, he headed a research group at the Hubrecht Institute for Developmental Biology and Stem Cell Research[9] and at the Princess Máxima Center [nl];[10] he remained as an advisor and guest scientist or visiting researcher to both groups.[7] He is also a Professor in Molecular Genetics at the University of Utrecht.[8]

Quick Facts Born, Nationality ...

Early life and education

Hans Clevers was born in Eindhoven, the Netherlands in 1957.[4] He began studying biology at the University of Utrecht in 1975, but also started taking medicine in 1978,[7] in part due to his interest and in part because his friends and brothers were in the medical profession.[11] He spent 1 year in Nairobi, Kenya, and half a year at the National Institutes of Health in Bethesda, United States, for biology rotations.[11][12] He received a Doctoraal (equivalent to an MSc) in Biology in 1982 and an Artsexamen (equivalent to an MD) in 1984. Mostly because of his research background, Clevers was selected for a training position in paediatrics, and then went to pursue a PhD in 1985, under the supervision of Rudy Ballieux.[6][13][14] He obtained his PhD 1 year later.[7][11]

Career

After his PhD, Clevers went to the Dana–Farber Cancer Institute as a postdoctoral researcher at Cox Terhorst's group.[8][11][15][16] In 1989, he returned to the Netherlands, joining his alma mater, the University of Utrecht, as an assistant professor at the Department of Clinical Immunology.[8]

In 1991, Clevers became a professor and the chair of the Department of Immunology at the University of Utrecht.[8] He moved to the University Medical Center Utrecht in 2002 as a professor in molecular genetics, and started his lab at the Hubrecht Institute for Developmental Biology and Stem Cell Research (Hubrecht Institute).[7] At the same time, he took up the position of Director of the Hubrecht Institute.[8]

In March 2012, Clevers was elected the president of the Royal Netherlands Academy of Arts and Sciences, succeeding Robbert Dijkgraaf.[17][18] His term concluded in 2015, and he started another lab at the Princess Máxima Center [nl],[8] focusing on childhood cancer,[10] and became the Director Research and Chief Scientific Officer there until 2019.[8]

Clevers left University Medical Center Utrecht and was appointed Professor in Molecular Genetics at the University of Utrecht in 2020.[7]

In 2022, Clevers joined the Swiss healthcare company Roche as its Head of Pharma, Research and Early Development and a member of its Corporate Executive Committee.[19][20] He remains an advisor and guest scientist or visiting researcher to his research groups at the Princess Máxima Center and Hubrecht Institute.[9][10]

Since 2017, Clevers is an investigator at the Oncode Institute in Utrecht.[7][21]

Clevers has served at a number of scientific organizations, including on the board of directors of the American Association for Cancer Research (2013-2016),[22] and the Scientific Advisory Board of the Swiss Institute for Experimental Cancer Research at the École Polytechnique Fédérale de Lausanne (2005-2015),[8] the Research Institute of Molecular Pathology in Vienna (2015-2021)[23] and the Francis Crick Institute in London.[24] He is currently on the advisory board of various scientific journals, including The EMBO Journal,[25] Disease Models & Mechanisms,[26] Cell,[27] Cell Stem Cell[28] and EMBO Molecular Medicine.[29] From 2014 to 2022, he was also on the editorial committee of the Annual Review of Cancer Biology.[7]

Outside the academia, Clevers has been a scientific advisor to numerous biotechnology companies.[7] He also co-founded California-based Surrozen[30] in 2016[31] and Shanghai-based D1 Medical Technology[32] in 2019.[33]

Hans Clevers interviewed for the Dutch television show The Mind of the Universe

Research

Clevers's early career focused on the Wnt signaling pathway.[34] His group identified the TCF1 protein, a member of the TCF gene family and a crucial downstream component of the Wnt signaling pathway, making it central in immune responses, embryonic development and tissue repair.[35] His interest in the gastrointestinal tract began with the discovery that another TCF family member, the TCF4 protein, is required in forming intestinal crypts.[36] Collaborating with Bert Vogelstein, he found that in colon cancer where the APC gene is doubly mutated, TCF family members activate catenin beta-1, which then enhances the expression of many genes that cause cancer transformation,[37] connecting the Wnt signaling pathway with colon cancer.

In 2007, Clevers's group identified a marker for stem cells of the small and large intestines, LGR5, itself also a target of the Wnt signaling pathway.[38] This led to his finding that LGR5 is a stem cell marker in other organs as well, including the stomach[39] and hair follicles.[40]

Building on this discovery, in 2009, his group published a landmark paper, describing for the first time how organoids, which are 3-dimensional in vitro structures that behave anatomically and molecularly like the organ from which they are derived, were generated from adult stem cells, creating organoids of the small intestine.[41] Clevers's group has applied this technology to culturing organoids from other organs, such as the stomach[39] and liver,[42] as well as from various cancer types, including cancer of the breast[43] and the ovaries.[44] This platform has since been applied in personalized medicine, by generating organoids from specific patients to screen for drugs.[45][46] This is not limited to cancer but is applicable to other diseases as well (for example, cystic fibrosis).[47] His current major research interest is in using organoids derived from adult stem cells to study the molecular mechanism of tissue and cancer development.

During the COVID-19 pandemic, Clevers's group modelled the infection of SARS-CoV-2 using lung organoids.[48]

Honours and awards


References

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  5. Clevers, Hans (1 October 2021). "The development of organoids for cancer research: an ode to the scientific method". Cancer World. Archived from the original on 29 June 2022. Retrieved 29 June 2022.
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  10. Clevers, H. (2013). "A gutsy approach to stem cells and signalling: an interview with Hans Clevers". Disease Models & Mechanisms. 6 (5): 1053–1056. doi:10.1242/dmm.013367. PMC 3759325. PMID 24046385. Archived from the original on 23 June 2022. Retrieved 23 June 2022.
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  31. van de Wetering, Marc; Oosterwegel, Mariette; Dooijes, Dennis; Clevers, Hans (1991). "Identification and cloning of TCF-1, a T cell-specific transcription factor containing a sequence-specific HMG box". The EMBO Journal. 10 (1): 123–132. doi:10.1002/j.1460-2075.1991.tb07928.x. PMC 452620. PMID 1989880.
  32. Korinek, Vladimir; Barker, Nick; Moerer, Petra; van Donselaar, Elly; Huls, Gerwin; Peters, Peter J.; Clevers, Hans (1997). "Depletion of epithelial stem-cell compartments in the small intestine of mice lacking Tcf-4". Nature Genetics. 19 (4): 379–383. doi:10.1038/1270. PMID 9697701. S2CID 1052683. Retrieved 28 June 2022.
  33. Korinek, Vladimir; Barker, Nick; Morin, Patrice J.; van Wichen, Dick; de Weger, Roel; Kinzler, Kenneth W.; Vogelstein, Bert; Clevers, Hans (1997). "Constitutive Transcriptional Activation by a β-Catenin-Tcf Complex in APC−/− Colon Carcinoma". Science. 275 (5307): 1784–1787. doi:10.1126/science.275.5307.1784. PMID 9065401. S2CID 33935423. Retrieved 28 June 2022.
  34. Barker, Nick; van Es, Johan H.; Kuipers, Jeroen; Kujala, Pekka; van den Born, Maaike; Cozijnsen, Miranda; Haegebarth, Andrea; Korving, Jeroen; Begthel, Harry; Peters, Peter J.; Clevers, Hans (2007). "Identification of stem cells in small intestine and colon by marker gene Lgr5". Nature. 449 (7165): 1003–1007. Bibcode:2007Natur.449.1003B. doi:10.1038/nature06196. PMID 17934449. S2CID 4349637. Retrieved 23 June 2022.
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  36. Jaks, Viljar; Barker, Nick; Kasper, Maria; van Es, Johan H; Snippert, Hugo J; Clevers, Hans; Toftgård, Rune (2008). "Lgr5 marks cycling, yet long-lived, hair follicle stem cells". Nature Genetics. 40 (11): 1291–1299. doi:10.1038/ng.239. PMID 18849992. S2CID 10883817. Retrieved 23 June 2022.
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  39. Sachs, Norman; de Ligt, Joep; Kopper, Oded; Gogola, Ewa; Bounova, Gergana; Weeber, Fleur; Vanita Balgobind, Anjali; Wind, Karin; Gracanin, Ana; Begthel, Harry; Korving, Jeroen; van Boxtel, Ruben; Alves Duarte, Alexandra; Lelieveld, Daphne; van Hoeck, Arne; Ernst, Robert Frans; Blokzijl, Francis; Nijman, Isaac Johannes; Hoogstraat, Marlous; van de Ven, Marieke; Egan, David Anthony; Zinzalla, Vittoria; Moll, Jurgen; Fernandez Boj, Sylvia; Voest, Emile Eugene; Wessels, Lodewyk; van Diest, Paul Joannes; Rottenberg, Sven; Vries, Robert Gerhardus Jacob; Cuppen, Edwin; Clevers, Hans (2018). "A Living Biobank of Breast Cancer Organoids Captures Disease Heterogeneity". Cell. 172 (1–2): 373–386. doi:10.1016/j.cell.2017.11.010. PMID 29224780. S2CID 8951522.
  40. Kopper, Oded; de Witte, Chris J.; Lõhmussaar, Kadi; Valle-Inclan, Jose Espejo; Hami, Nizar; Kester, Lennart; Vanita Balgobind, Anjali; Korving, Jeroen; Proost, Natalie; Begthel, Harry; van Wijk, Lise M; Aristín Revilla, Sonia; Theeuwsen, Rebecca; van de Ven, Marieke; van Roosmalen, Markus J; Ponsioen, Bas; Ho, Victor W. H.; Neel, Benjamin G.; Bosse, Tjalling; Gaarenstroom, Katja N.; Vrieling, Harry; Vreeswijk, Maaike P. G.; van Diest, Paul J.; Witteveen, Petronella O.; Jonges, Trudy; Bos, Johannes L.; van Oudenaarden, Alexander; Zweemer, Ronald P.; Snippert, Hugo J. G.; Kloosterman 14, Hans Clevers, Wigard P. (2019). "An organoid platform for ovarian cancer captures intra- and interpatient heterogeneity". Nature Medicine. 25 (5): 838–849. doi:10.1038/s41591-019-0422-6. PMID 31011202. S2CID 126428230. Retrieved 29 June 2022.{{cite journal}}: CS1 maint: numeric names: authors list (link)
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