Human Physiology Book By Chatterjee Free Download
Shanae Maerz
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The nuclear receptor family of PPARs was named for the ability of the original member to induce hepatic peroxisome proliferation in mice in response to xenobiotic stimuli. However, studies on the action and structure of the 3 human PPAR isotypes (PPARalpha, PPARdelta, and PPARgamma) suggest that these moieties are intimately involved in nutrient sensing and the regulation of carbohydrate and lipid metabolism. PPARalpha and PPARdelta appear primarily to stimulate oxidative lipid metabolism, while PPARgamma is principally involved in the cellular assimilation of lipids via anabolic pathways. Our understanding of the functions of PPARgamma in humans has been increased by the clinical use of potent agonists and by the discovery of both rare and severely deleterious dominant-negative mutations leading to a stereotyped syndrome of partial lipodystrophy and severe insulin resistance, as well as more common sequence variants with a much smaller impact on receptor function. These may nevertheless have much greater significance for the public health burden of metabolic disease. This Review will focus on the role of PPARgamma in human physiology, with specific reference to clinical pharmacological studies, and analysis of PPARG gene variants in the abnormal lipid and carbohydrate metabolism of the metabolic syndrome.
In January of 2019, Dr. Chatterjee joined the faculty at the University of Maryland, Baltimore. He is a member of the UMB School of Dentistry Department of Microbial Pathogenesis. He is currently based at the Institute of Marine and Environmental Technology (IMET), where he continues to investigate antimicrobial resistance in S. aureus. Research in the Chatterjee lab is funded through grants from the National Institutes of Health (R01 and R21) and through University Systems of Maryland (seed funding).
Our laboratory is interested in understanding the fundamental biological principles that lead to Staphylococcus aureus infections, an important human bacterial pathogen that is responsible for causing high morbidity and mortality worldwide. During the course of the past 4-5 years, our research has identified several interesting and novel pathways that are involved in beta-lactam resistance in S. aureus. Beta-lactam drugs remain as one of the gold standards of treatment for bacterial infections due to their superior efficacy and safety over other drugs. Widespread resistance in bacteria however limits its use. Studying novel pathways will decipher their role/s in the beta-lactam resistance process. Moreover, our work will elucidate various unknown aspects of basic biology, such as bacterial cell signaling, gene regulation and protein-protein interactions, which are crucial for bacterial resistance.
We are always looking for motivated and collegial candidates for the lab. If you are interested in our research questions please contact schat...@umaryland.edu with your CV and a statement explaining why you would like to work in our group.
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