Asima Bhattacharyya, Ph.D.
Assistant Professor
National Institute of Science Education and Research
School of Biological Sciences
Institute of Physics Campus, Sachivalaya Marg, PO: Sainik School,
Bhubaneswar - 751 005
Orissa
E-mail: asima@niser.ac.in
Phone: +91-674-2304068
URL: http://biology.niser.ac.in/viewfacdetail.php?e=asima
Positions Held:
Position
Affiliation
Time Period
Assistant Professor
National Institute of Science Education and Research
2010-Present
Research Associate
University of Virginia, USA
2005-2010
Area of Specialization:
Cell signaling
Gastrointestinal epithelial cell biology
Research Summary:
Host-pathogen interactions, cell signalling events, immunopathogenesis of infection, inflammation, molecular events in cancer metastasis and apoptosis.
Publications:
1.
Bhattacharyya, A. , Chattopadhyay, R., Hall, E. H., Mebrahtu, S. T., Ernst, P. B. and Crowe, S. E. Mechanism of hypoxia-inducible factor 1 alpha-mediated Mcl1 regulation in Helicobacter pylori-infected human gastric epithelium. American Journal of Physiology. Gastrointestinal and Liver Physiology. 2010. 299, G1177-86. [PubMed]
2.
Chattopadhyay, R., Bhattacharyya, A. and Crowe, S. E. Dual regulation by apurinic/apyrimidinic endonuclease-1 inhibits gastric epithelial cell apoptosis during Helicobacter pylori infection. Cancer Research. 2010. 70, 2799-2808. [PubMed]
3.
O'Hara, A. M., Bhattacharyya, A. , Bai, J., Mifflin, R. C., Ernst, P. B., Mitra, S. and Crowe, S. E. Tumor necrosis factor (TNF)-alpha-induced IL-8 expression in gastric epithelial cells: role of reactive oxygen species and AP endonuclease-1/redox factor (Ref)-1. Cytokine. 2009. 46, 359-369. [PubMed]
4.
Bhattacharyya, A. , Chattopadhyay, R., Burnette, B. R., Cross, J. V., Mitra, S., Ernst, P. B., Bhakat, K. K. and Crowe, S. E. Acetylation of apurinic/apyrimidinic endonuclease-1 regulates Helicobacter pylori-mediated gastric epithelial cell apoptosis. Gastroenterology. 2009. 136, 2258-2269. [PubMed]
5.
Basu, S., Pathak, S., Pathak, S. K., Bhattacharyya, A. , Banerjee, A., Kundu, M. and Basu, J. Mycobacterium avium-induced matrix metalloproteinase-9 expression occurs in a cyclooxygenase-2-dependent manner and involves phosphorylation- and acetylation-dependent chromatin modification. Cellular Microbiology. 2007. 9, 2804-2816. [PubMed]
6.
Pathak, S. K., Basu, S., Basu, K. K., Banerjee, A., Pathak, S., Bhattacharyya, A. , Kaisho, T., Kundu, M. and Basu, J. Direct extracellular interaction between the early secreted antigen ESAT-6 of Mycobacterium tuberculosis and TLR2 inhibits TLR signaling in macrophages. Nature Immunology. 2007. 8, 610-618. [PubMed]
7.
Basu, S., Pathak, S. K., Banerjee, A., Pathak, S., Bhattacharyya, A. , Yang, Z., Talarico, S., Kundu, M. and Basu, J. Execution of macrophage apoptosis by PE_PGRS33 of Mycobacterium tuberculosis is mediated by Toll-like receptor 2-dependent release of tumor necrosis factor-alpha. The Journal of Biological Chemistry. 2007. 282, 1039-1050. [PubMed]
8.
O'Hara, A. M., Bhattacharyya, A. , Mifflin, R. C., Smith, M. F., Ryan, K. A., Scott, K. G., Naganuma, M., Casola, A., Izumi, T., Mitra, S., Ernst, P. B. and Crowe, S. E. Interleukin-8 induction by Helicobacter pylori in gastric epithelial cells is dependent on apurinic/apyrimidinic endonuclease-1/redox factor-1. Journal of Immunology. 2006. 177, 7990-7999. [PubMed]
9.
Pathak, S. K., Basu, S., Bhattacharyya, A. , Pathak, S., Banerjee, A., Basu, J. and Kundu, M. TLR4-dependent NF-kappaB activation and mitogen- and stress-activated protein kinase 1-triggered phosphorylation events are central to Helicobacter pylori peptidyl prolyl cis-, trans-isomerase (HP0175)-mediated induction of IL-6 release from macrophages. Journal of Immunology. 2006. 177, 7950-7958. [PubMed]
10.
Pathak, S. K., Basu, S., Bhattacharyya, A. , Pathak, S., Kundu, M. and Basu, J. Mycobacterium tuberculosis lipoarabinomannan-mediated IRAK-M induction negatively regulates Toll-like receptor-dependent interleukin-12 p40 production in macrophages. The Journal of Biological Chemistry. 2005. 280, 42794-42800. [PubMed]
11.
Basak, C., Pathak, S. K., Bhattacharyya, A. , Pathak, S., Basu, J. and Kundu, M. The secreted peptidyl prolyl cis,trans-isomerase HP0175 of Helicobacter pylori induces apoptosis of gastric epithelial cells in a TLR4- and apoptosis signal-regulating kinase 1-dependent manner. Journal of Immunology. 2005. 174, 5672-5680. [PubMed]
12.
Basak, C., Pathak, S. K., Bhattacharyya, A. , Mandal, D., Pathak, S. and Kundu, M. NF-kappaB- and C/EBPbeta-driven interleukin-1beta gene expression and PAK1-mediated caspase-1 activation play essential roles in interleukin-1beta release from Helicobacter pylori lipopolysaccharide-stimulated macrophages. The Journal of Biological Chemistry. 2005. 280, 4279-4288. [PubMed]
13.
Pathak, S. K., Bhattacharyya, A. , Pathak, S., Basak, C., Mandal, D., Kundu, M. and Basu, J. Toll-like receptor 2 and mitogen- and stress-activated kinase 1 are effectors of Mycobacterium avium-induced cyclooxygenase-2 expression in macrophages. The Journal of Biological Chemistry. 2004. 279, 55127-55136. [PubMed]
14.
Mandal, D., Baudin-Creuza, V., Bhattacharyya, A. , Pathak, S., Delaunay, J., Kundu, M. and Basu, J. Caspase 3-mediated proteolysis of the N-terminal cytoplasmic domain of the human erythroid anion exchanger 1 (band 3). The Journal of Biological Chemistry. 2003. 278, 52551-52558. [PubMed]
15.
Bhattacharyya, A. , Pathak, S., Basak, C., Law, S., Kundu, M. and Basu, J. Execution of macrophage apoptosis by Mycobacterium avium through apoptosis signal-regulating kinase 1/p38 mitogen-activated protein kinase signaling and caspase 8 activation. The Journal of Biological Chemistry. 2003. 278, 26517-26525. [PubMed]
16.
Bhattacharyya, A. , Pathak, S., Datta, S., Chattopadhyay, S., Basu, J. and Kundu, M. Mitogen-activated protein kinases and nuclear factor-kappaB regulate Helicobacter pylori-mediated interleukin-8 release from macrophages. The Biochemical Journal. 2002. 368, 121-129. [PubMed]
17.
Bhattacharyya, A. , Pathak, S., Kundu, M. and Basu, J. Mitogen-activated protein kinases regulate Mycobacterium avium-induced tumor necrosis factor-alpha release from macrophages. FEMS Immunology and Medical Microbiology. 2002. 34, 73-80. [PubMed]
18.
Maiti, D., Bhattacharyya, A. and Basu, J. Lipoarabinomannan from Mycobacterium tuberculosis promotes macrophage survival by phosphorylating Bad through a phosphatidylinositol 3-kinase/Akt pathway. The Journal of Biological Chemistry. 2001. 276, 329-333. [PubMed]
Education
::
Ph.D.
Jadavpur University, Kolkata, India