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Role Of Hypoxia And Glycolysis In The Development Of Multi-Drug Resistance In Human Tumor Cells And The Establishment Of An Orthotopic Multi-Drug Resistant Tumor Model In Nude Mice Using Hypoxic Pre-Conditioning, Lara Milane, Zhenfeng Duan, Mansoor M. Amiji
Role Of Hypoxia And Glycolysis In The Development Of Multi-Drug Resistance In Human Tumor Cells And The Establishment Of An Orthotopic Multi-Drug Resistant Tumor Model In Nude Mice Using Hypoxic Pre-Conditioning, Lara Milane, Zhenfeng Duan, Mansoor M. Amiji
Mansoor M. Amiji
Background The development of multi-drug resistant (MDR) cancer is a significant challenge in the clinical treatment of recurrent disease. Hypoxia is an environmental selection pressure that contributes to the development of MDR. Many cancer cells, including MDR cells, resort to glycolysis for energy acquisition. This study aimed to explore the relationship between hypoxia, glycolysis, and MDR in a panel of human breast and ovarian cancer cells. A second aim of this study was to develop an orthotopic animal model of MDR breast cancer. Methods Nucleic and basal protein was extracted from a panel of human breast and ovarian cancer cells; …
Nod2, Rip2 And Irf5 Play A Critical Role In The Type I Interferon Response To Mycobacterium Tuberculosis, Amit K. Pandey, Yibin Yang, Zhaozhao Jiang, Sarah M. Fortune, Francois Coulombe, Marcel A. Behr, Katherine A. Fitzgerald, Christopher M. Sassetti, Michelle A. Kelliher
Nod2, Rip2 And Irf5 Play A Critical Role In The Type I Interferon Response To Mycobacterium Tuberculosis, Amit K. Pandey, Yibin Yang, Zhaozhao Jiang, Sarah M. Fortune, Francois Coulombe, Marcel A. Behr, Katherine A. Fitzgerald, Christopher M. Sassetti, Michelle A. Kelliher
Katherine A. Fitzgerald
While the recognition of microbial infection often occurs at the cell surface via Toll-like receptors, the cytosol of the cell is also under surveillance for microbial products that breach the cell membrane. An important outcome of cytosolic recognition is the induction of IFNalpha and IFNbeta, which are critical mediators of immunity against both bacteria and viruses. Like many intracellular pathogens, a significant fraction of the transcriptional response to Mycobacterium tuberculosis infection depends on these type I interferons, but the recognition pathways responsible remain elusive. In this work, we demonstrate that intraphagosomal M. tuberculosis stimulates the cytosolic Nod2 pathway that responds …