Jacques Neefjes
Sjaak Neefjes
Born8 December 1959 (1959-12-08) (age 64)
NationalityDutch
Education
Scientific career
InstitutionsLeiden University Medical Center

Jacques (Sjaak) Neefjes (born 8 December 1959) is a Dutch scientist who made breakthroughs in several research disciplines such as immunology, cell biology, chemistry, cancer biology, microbiology, and epidemiology. He is a professor at the Leiden University Medical Center. In 2020 he was one of four winners of the Spinoza Prize.

Biography

From 1979 to 1985, Jacques Neefjes studied Chemistry at the Vrije Universiteit Amsterdam. Then, he performed his Ph.D. studies at the Division of Cellular Biochemistry, in the Netherlands Cancer Institute (NKI) under the supervision of Prof. Dr. Ploegh in Amsterdam. During his thesis, he investigated the Cell Biological Aspect of MHC class I and II molecules. He obtained his Ph.D. degree on the 2nd of November 1990 with Cum Laude.

After his Ph.D., Jacques Neefjes did two post-doctoral visits. First, from 1991 to 1992, he visited the laboratory of Drs Benoit and Mathis at the Institut de Chimie Biologique, Strasbourg (France). Then, he obtained a 2-year fellowship from the European Molecular Biology Organization (EMBO) to visit the laboratory of Prof. Dr. Hämmerling at the German Cancer Research Center (DKFZ), in Heidelberg (Germany) from 1992 to 1993. In 1993, Jacques Neefjes became a staff member of the Division of Cellular Biochemistry at the NKI. In 1998, he became head of the division of Tumor Biology. From 1999 to 2016, he occupied the position of "Extraordinary professor" at the Leiden University. He was the Dean of the Graduate School Oncology Amsterdam (OOA) from 2000 to 2003.

Since 2016, he is head of the Cell and Chemical Biology department at the Leiden University Medical Center (the Netherlands).

Works

During his career, Jacques Neefjes has authored more than 280 scientific publications reaching more than 30,000 citations.[1] Neefjes’ discoveries on antigen presentation by the class I and II major histocompatibility complexes (MHC) constitute today's textbook knowledge. Through his exploration of the cell biology of the MHC, Jacques Neefjes became an expert on endocytosis and intracellular transport. In 2017, Neefjes and his team made fundamental discoveries regarding endosome positioning by the endoplasmic reticulum.[2] Neefjes further expanded his work on endosomes to phagosomes and intracellular bacteria. By combining chemistry, cell biology and biochemistry with genetic screens, Neefjes identified inhibitors to disturb bacterial survival strategies, representing one of the first antibiotics acting by targeting the host, rather than the pathogen.[3] In 2015, Neefjes has demonstrated that Salmonella infection promote cancer development.[4] Since 2019, Jacques Neefjes is co-financing the production of a promising cancer drug, Aclarubicin, which disappeared from the European market at the beginning of the 21st century.[5][6][7]

Distinction

Honours and awards

Honorary Lectures

  • 2012 Ruysch lecture AMC, Amsterdam
  • 2012 Beatty Lecture, McGill University, Montreal, Canada

Selected research articles

The Biosynthetic Pathway of MHC Class II but Not Class I Molecules Intersects the Endocytic Route.
Neefjes JJ, Stollorx V, Peters PJ, Geuze HJ, and Ploegh HL.
Cell. 1990. 61:171-183.

The major substrates for TAP in vivo are derived from newly synthesized proteins.
Reits EA, Vos JC, Grommé M, and Neefjes JJ.
Nature. 2000. 404:774–778.

Intracellular bacterial growth is controlled by a kinase network around PKB/AKT1.
Kuijl C, Savage ND, Marsman M, Tuin AW, Janssen L, Egan DA, Ketema M, Van Den Nieuwendijk R, Van Den Eeden SJ, Geluk A, Poot A, Van Der Marel G, Beijersbergen RL, Overkleeft H, Ottenhoff TH, and Neefjes JJ.
Nature. 2007. 450:725–730

An ER-Associated Pathway Defines Endosomal Architecture for Controlled Cargo Transport.
Jongsma ML, Berlin I, Wijdeven RH, Janssen L, Janssen GM, Garstka MA, Janssen H, Mensink M, van Veelen PA, Spaapen RM, and Neefjes JJ.
Cell. 2016. 166:152-166

References

  1. ↑ "Jacques Neefjes".
  2. ↑ Jongsma, Marlieke L.M.; Berlin, Ilana; Wijdeven, Ruud H.M.; Janssen, Lennert; Janssen, George M.C.; Garstka, Malgorzata A.; Janssen, Hans; Mensink, Mark; van Veelen, Peter A.; Spaapen, Robbert M.; Neefjes, Jacques (June 2016). "An ER-Associated Pathway Defines Endosomal Architecture for Controlled Cargo Transport". Cell. 166 (1): 152–166. doi:10.1016/j.cell.2016.05.078. PMC 4930482. PMID 27368102.
  3. ↑ Kuijl, Coenraad; Savage, Nigel D. L.; Marsman, Marije; Tuin, Adriaan W.; Janssen, Lennert; Egan, David A.; Ketema, Mirjam; van den Nieuwendijk, Rian; van den Eeden, Susan J. F.; Geluk, Annemieke; Poot, Alex (November 2007). "Intracellular bacterial growth is controlled by a kinase network around PKB/AKT1". Nature. 450 (7170): 725–730. Bibcode:2007Natur.450..725K. doi:10.1038/nature06345. hdl:1887/3209535. ISSN 0028-0836. PMID 18046412. S2CID 23274247.
  4. ↑ Scanu, Tiziana; Spaapen, Robbert M.; Bakker, Jeroen M.; Pratap, Chandra Bhan; Wu, Lin-en; Hofland, Ingrid; Broeks, Annegien; Shukla, Vijay Kumar; Kumar, Mohan; Janssen, Hans; Song, Ji-Ying (2015-06-10). "Salmonella Manipulation of Host Signaling Pathways Provokes Cellular Transformation Associated with Gallbladder Carcinoma". Cell Host & Microbe. 17 (6): 763–774. doi:10.1016/j.chom.2015.05.002. ISSN 1931-3128. PMID 26028364.
  5. ↑ de Visser, Ellen; van der Zwaal, Manon; Jockel, Judith (March 2, 2019). "Hoe de erfenis van Els Borst mogelijk kankerpatiënten kan helpen". Volkskrant Kijk Verder (in Dutch). Retrieved 2019-10-02.
  6. ↑ "Nooit de makkelijkste weg - interview met Sjaak Neefjes, hoogleraar chemische immunologie aan de Universiteit Leiden en spreker op 2 oktober". Labtechnology (in Dutch). 2019-09-16. Retrieved 2019-10-02.
  7. ↑ Visser, Ellen de (2019-03-02). "Oud-minister Els Borst helpt postuum mee aan terugkeer kankermedicijn". de Volkskrant (in Dutch). Retrieved 2019-10-02.
  8. ↑ "Jacques Neefjes". Academia Europaea. Archived from the original on 28 March 2019.
  9. ↑ "Group 6: Cellular and Molecular biology". Norwegian Academy of Science and Letters. Retrieved 11 April 2020.
  10. ↑ "Jacques Neefjes". Royal Netherlands Academy of Arts and Sciences. Archived from the original on 24 September 2019.
  11. ↑ "Prof. Sjaak Neefjes". Netherlands Organisation for Scientific Research. Archived from the original on 6 November 2020.
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