Sagar   Sengupta,                               Ph.D. 
                               
                              Scientist  
                           
                         
                                  
         
                                                    
                                                    
                            National Institute of Immunology 
                           
                                                                              
                            Aruna Asaf Ali Marg 
                           
                                                                              
                            New Delhi - 110 067                                 
                           
                          						  
                                                            
                           
                                                    
                            E-mail: sagar@nii.res.in 
                           
                                                                              
                            Phone: +91-11- 26703786 
                           
                          
                               
                           
                          
                            URL:   http://202.54.226.233/jsp/faculty/scientist_sagar.html  
                           
                          
                          						  
                              
                           
						  
	                             
                            Positions Held:  
                           
                                                    
                            
                                
                                  Position  
                                  Affiliation  
                                  Time Period   
                                 
                                                                
                                  Post Doctoral Fellow  
                                  IGBMC, Strasbourg, France 
                                  
								  1997-2001 
                                 
                                                                
                                  Post Doctoral Fellow  
                                  National Institutes of Health, Bethesda, Maryland, USA. 
                                  
								  2001-2004 
                                 
                                                            
 
                           
                          
                              
                           
                                                                              
                            Publications:  
                           
                          
                            
	
		
			
				1. 
			
				Srivastava, V., Modi, P., Tripathi, V., Mudgal, R., De, S. and Sengupta, S.   BLM helicase stimulates the ATPase and chromatin-remodeling activities of RAD54. Journal of Cell Science.  2009.  122, 3093-3103. [PubMed]  
		 
		
			
				2. 
			
				Tripathi, V., Kaur, S. and Sengupta, S.   Phosphorylation-dependent interactions of BLM and 53BP1 are required for their anti-recombinogenic roles during homologous recombination. Carcinogenesis.  2008.  29, 52-61. [PubMed]  
		 
		
			
				3. 
			
				Tripathi, V., Nagarjuna, T. and Sengupta, S.   BLM helicase-dependent and -independent roles of 53BP1 during replication stress-mediated homologous recombination. The Journal of Cell Biology.  2007.  178, 9-14. [PubMed]  
		 
		
			
				4. 
			
				Pedeux, R., Sengupta, S. , Shen, J. C., Demidov, O. N., Saito, S., Onogi, H., Kumamoto, K., Wincovitch, S., Garfield, S. H., McMenamin, M., Nagashima, M., Grossman, S. R., Appella, E. and Harris, C. C.  ING2 regulates the onset of replicative senescence by induction of p300-dependent p53 acetylation. Molecular and Cellular Biology.  2005.  25, 6639-6648. [PubMed]  
		 
		
			
				5. 
			
				Zhang, R., Sengupta, S. , Yang, Q., Linke, S. P., Yanaihara, N., Bradsher, J., Blais, V., McGowan, C. H. and Harris, C. C.  BLM helicase facilitates Mus81 endonuclease activity in human cells. Cancer Research.  2005.  65, 2526-2531. [PubMed]  
		 
		
			
				6. 
			
				Sengupta, S. , Shimamoto, A., Koshiji, M., Pedeux, R., Rusin, M., Spillare, E. A., Shen, J. C., Huang, L. E., Lindor, N. M., Furuichi, Y. and Harris, C. C.  Tumor suppressor p53 represses transcription of RECQ4 helicase. Oncogene.  2005.  24, 1738-1748. [PubMed]  
		 
		
			
				7. 
			
				Sengupta, S. , Robles, A. I., Linke, S. P., Sinogeeva, N. I., Zhang, R., Pedeux, R., Ward, I. M., Celeste, A., Nussenzweig, A., Chen, J., Halazonetis, T. D. and Harris, C. C.  Functional interaction between BLM helicase and 53BP1 in a Chk1-mediated pathway during S-phase arrest. The Journal of Cell Biology.  2004.  166, 801-813. [PubMed]  
		 
		
			
				8. 
			
				Yang, Q., Zhang, R., Wang, X. W., Linke, S. P., Sengupta, S. , Hickson, I. D., Pedrazzi, G., Perrera, C., Stagljar, I., Littman, S. J., Modrich, P. and Harris, C. C.  The mismatch DNA repair heterodimer, hMSH2/6, regulates BLM he licase. Oncogene.  2004.  23, 3749-3756. [PubMed]  
		 
		
			
				9. 
			
				Hussain, S. P., Amstad, P., He, P., Robles, A., Lupold, S., Kaneko, I., Ichimiya, M., Sengupta, S. , Mechanic, L., Okamura, S., Hofseth, L. J., Moake, M., Nagashima, M., Forrester, K. S. and Harris, C. C.  p53-induced up-regulation of MnSOD and GPx but not catalase increases oxidative stress and apoptosis. Cancer Research.  2004.  64, 2350-2356. [PubMed]  
		 
		
			
				10. 
			
				Linke, S. P., Sengupta, S. , Khabie, N., Jeffries, B. A., Buchhop, S., Miska, S., Henning, W., Pedeux, R., Wang, X. W., Hofseth, L. J., Yang, Q., Garfield, S. H., Sturzbecher, H. W. and Harris, C. C.  p53 interacts with hRAD51 and hRAD54, and directly modulates homologous recombination. Cancer Research.  2003.  63, 2596-2605. [PubMed]  
		 
		
			
				11. 
			
				Sengupta, S. , Linke, S. P., Pedeux, R., Yang, Q., Farnsworth, J., Garfield, S. H., Valerie, K., Shay, J. W., Ellis, N. A., Wasylyk, B. and Harris, C. C.  BLM helicase-dependent transport of p53 to sites of stalled DNA replication forks modulates homologous recombination. The EMBO Journal.  2003.  22, 1210-1222. [PubMed]  
		 
		
			
				12. 
			
				Ganguli, G., Back, J., Sengupta, S.  and Wasylyk, B.  The p53 tumour suppressor inhibits glucocorticoid-induced proliferation of erythroid progenitors. EMBO Reports.  2002.  3, 569-574. [PubMed]  
		 
	 
	 
  
                           
                         
                                                    
                            Grant Support:  
                           
                                                    
                            
                                
                                  Project Title  
                                  Role  
                                  Funding Agency   
                                  Sanction Number  
                                  Sanction Date  
                                 
                                                                
                                  Determining the role of BLM helicase during signal transduction in humans 
                                  Principal Investigator 
                                   
                                   
                                  
                                  
								  
								  
								  
								  
								  
								  
								  
								  								   
                                 
                                                                
                                  Investigating the role of BLM helicase and signal transducer, 53BP1, during homologous recombination in human  
                                  Principal Investigator 
                                  Department of Science & Technology, Government of India 
                                   
                                  
                                  
								  
								  
								  
								  
								  
								  
								  
								  2010-2013								   
                                 
                                                                
                                  Establishment of an advanced microscopy cum flow cytometry unit      
                                  Principal Investigator 
                                  Department of Biotechnology, Government of India 
                                   
                                  
                                  
								  
								  
								  
								  
								  
								  
								  
								  2010-2013								   
                                 
                                                                
                                  Regulatory mechanisms for BLM helicase  
                                  Principal Investigator 
                                  Department of Biotechnology, Government of India 
                                   
                                  
                                  
								  
								  
								  
								  
								  
								  
								  
								  2007-2009								   
                                 
                                                                
                                  Determining the role of BLM helicase in DNA damage signal recognition and transduction due to double strand breaks in human  
                                  Principal Investigator 
                                  Department of Science & Technology, Government of India 
                                   
                                  
                                  
								  
								  
								  
								  
								  
								  
								  
								  2006-2009								   
                                 
                                                                
                                  how BLM helicase regulates RAD54 functions during recombination in human  
                                  Co-PI 
                                  Department of Biotechnology, Government of India 
                                   
                                  
                                  
								  
								  
								  
								  
								  
								  
								  
								  2007-2010								   
                                 
                                                                
                                  Regulatory mechanisms for BLM helicase  
                                  Principal Investigator 
                                  National Institute of Health, Maryland, USA 
                                   
                                  
                                  
								  
								  
								  
								  
								  
								  
								  
								  2006-2011								   
                                 
                                                                
                                  Determining the role of BLM helicase in DNA damage signal recognition and transduction due to double strand breaks in human  
                                  Principal Investigator 
                                  Department of Biotechnology, Government of India 
                                   
                                  
                                  
								  
								  
								  
								  
								  
								  
								  
								  2008-2011								   
                                 
                                                                
                                  how BLM helicase regulates RAD54 functions during recombination in human  
                                  Principal Investigator 
                                  Council of Scientific and Industrial Research, Government of India 
                                   
                                  
                                  
								  
								  
								  
								  
								  
								  
								  
								  2008-2011								   
                                 
                                                              
                                 
 
                           
                          
                              
                           
                                                    
                            My CV:    Download  
                           
                                                
 
                      
                          
                            
                               
                             
                            
                                
                             
                            
                              
                                  
                                     
                                   
                                  
                                                                            
                                        
                                                                                    
                                            Education  
 
                                           
                                                                                    
                                            :: 
 
                                            Ph.D.                                                    in Microbiology, 				
				 
                                                    Indian Institute of Science, Bangalore, India,                             1991-1997                                            
 
                                           
                                                                                    
                                            Honors and Awards  
 
                                           
                                                                                    
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                                            2011, Awarded National Bioscience award for Career Development   
 
                                           
                                                                                    
                                            Member 
 
                                           
                                                                                    
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                                            Elected as a member of Guha Research Conference   
 
                                           
                                                                                    
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                                            Editorial Board member of IRSN Cell Biology   
 
                                           
                                                                                    
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                                            Member of Indian Association of Cancer Research   
 
                                           
                                                                                    
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                                            Editorial Board member of Genome Integrity