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葛一樊 Ivan Dzhagalov
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Contact information
 
Position: Assistant Professor
Department: Institute of Microbiology and Immunology
National Yang-Ming University
#155, Sec. 2, LiNing Street, 112 Taipei, Taiwan
Office tel: +886-2-2867-700 ext. 7231
 
 
Education
1994 – 2000: M.D., Trakia University, Stara Zagora, Bulgaria
2001 – 2007: Ph.D., Duke University, Durham, NC, USA
 
Experience:
2013 – present:   Assistant Professor, Institute of Microbiology and Immunology, National Yang-Ming University, Taipei, Taiwan
2007 – 2012:   Postdoctoral fellow, Molecular and Cell Biology Department, University of California, Berkeley, USA
 
 
Research
Phagocytosis of apoptotic cells
Elimination of damaged and superfluous cells is essential for normal development and homeostasis. Billions of cells undergo programmed cell death every day inside our bodies and are cleared by phagocytes. The importance of cell death and clearance is illustrated in cases when they fail and a number of auto-immune and chronic inflammatory diseases develop. Although apoptosis has been studied extensively and many important molecular players have been identified, most of the studies have been performed in vitro or as end-point assays in vivo and we do not have good understanding of the dynamics of the process in situ
 
The goals of my research are to characterize, in detail, the progression of apoptosis and clearance of dead cells in physiologically relevant models, identify the molecular mechanisms involved and learn how to manipulate them. Armed with this knowledge, I would try to devise therapeutic strategies targeting defects in the progression and clearance of dead cells that are likely to benefit patients with diseases such as systemic lupus erythematosus (SLE).
 
 
Publications
  1. Dzhagalov IL, Chen KG, Herzmark P, Robey EA. Visualizing acute negative selection in the thymus. PLoS Biol. 2013 May;11(5):e1001566. doi: 10.1371/journal.pbio.1001566. Epub 2013 May 21.
 
  1. Dunkle A, Dzhagalov I, Gordy C, He YW. Transfer of CD8+ T Cell Memory Using Bcl-2 as a Marker. J Immunol. 2013 Feb 1;190(3):940-7. doi: 10.4049/jimmunol.1103481
 
  1. Dzhagalov IL, Melichar HJ, Ross JO, Herzmark P, Robey EA. Two-photon imaging of the immune system. Current Protocols in Cytometry 2012 Apr;Chapter 12:Unit12.26.
 
  1.  Dunkle A, Dzhagalov I, He, YW.Cytokine-dependent and cytokine-independent roles for Mcl-1: genetic evidence for multiple mechanisms by which Mcl-1 promotes survival in primary T lymphocytes. Cell Death Dis. 2011 Oct 6;2:e214doi: 10.1038/cddis.2011.95.
 
  1. Dzhagalov I and Phee H. How to find your way through the thymus: a practical guide for aspiring T cells, Cell Mol Life Sci 2012 Mar;69(5):663-82
 
  1. Phee H, Dzhagalov I, Mollenauer M, Wang Y, Irvine DJ, Robey E, Weiss A. Regulation of thymocyte positive selection and motility by GIT2, Nat Immunol 2010 May 11:503-511
 
  1. Dzhagalov I and Robey EA. Multitasking in the medulla, Nat Immunol 2010 May 11:461-462
 
  1. Dunkle A, Dzhagalov I, He YW Mcl-1 promotes survival of thymocytes by inhibition of Bak in a pathway separate from Bcl-2, Cell Death Differ 2010 17:994-1002
 
  1. Le Borgne M, Ladi E, Dzhagalov I, Herzmark, P, Liao YF, Chakraborty AK, Robey, EA. The impact of negative section on thymocyte migration in the medulla, Nat Immunol 2009 Aug:10(8):823-30
 
  1. Gordy C, Dzhagalov I, He YW. Regulation of CD8(+) T cell functions by RARgamma, Semin Immunol 2009 Feb;21(1):2-7
 
  1. Dzhagalov I, Dunkle A, He YW. The anti-apoptotic Bcl-2 family member Mcl-1 promotes T lymphocyte survival at multiple stages, J Immunol 2008 Jul:181(1):521-8
 
  1. Dzhagalov I, Chambon P, He YW. Regulation of CD8+ T Lymphocyte Effector Function and Macrophage Inflammatory Cytokine Production by Retinoic Acid Receptor Gamma, J Immunol 2007 Feb:178(4):2113-2121
 
  1. Pua H, Dzhagalov I, Chuck M, Mizushima N, He YW. A Critical Role for the Autophagy Gene Atg5 in T Cell Survival and Proliferation. J Exp Med 2007 Jan:204(1):25-31
 
  1. Dzhagalov I, St John A, He YW. The Anti-apoptotic protein Mcl-1 is essential for the survival of neutrophils but not macrophages. Blood. 2007 Feb; 109(4):1620-1626.
 
  1. Zhu M, Koonpaew S, Liu Y, Shen S, Denning T, Dzhagalov I, Rhee I, Zhang W. Negative regulation of T cell activation and autoimmunity by the transmembrane adaptor protein LAB. Immunity. 2006 Nov;25(5):757-68.
 
  1. Zhang N, Hartig H, Dzhagalov I, Draper D, He YW. The role of apoptosis in the development and function of T lymphocytes. Cell Res. 2005 Oct;15(10):749-69. Review.
 
  1. Zhang J, Guo J, Dzhagalov I, He YW. An essential function for the calcium-promoted Ras inactivator in Fcgamma receptor-mediated phagocytosis. Nat Immunol. 2005 Sep;6(9):911-9.
 
  1. Dzhagalov I, Zhang N, He YW. The roles of orphan nuclear receptors in the development and function of the immune system. Cell Mol Immunol. 2004 Dec;1(6):401-7. Review
 
  1. Dzhagalov I, Giguere V, He YW. Lymphocyte development and function in the absence of retinoic acid-related orphan receptor alpha. J Immunol. 2004 Sep 1;173(5):2952-9.
 
 
Lab members:
Po-Chiang (John) Chan詹博強, Master student
e-mail: syz_leave@hotmail.com
 
Yi-Zhen (Judy) Yeh 葉宜榛, Master student
e-mail: jiting80512@yahoo.com.tw
 
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