Aditya D. Joshi, Ph.D.

Assistant Professor

Pharmaceutical Sciences

Phone 405-271-6593 x 47471

Fax 405-271-7505

Email aditya-joshi@ouhsc.edu

Faculty Website www.joshilaboratory.org


Summary

My research is focused on understanding Aryl hydrocarbon Receptor (AhR) signaling in normal liver physiology as well as in plethora of hepatic and metabolic diseases. The AhR is a ligand-activated transcription factor, historically studied in the context of exogenous ligand 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD, dioxin) induced toxicity. We have demonstrated that in contrast to the toxicity exhibited by exogenous AhR agonists, the endogenous AhR ligand, cinnabarinic acid induced expression of AhR target gene, stanniocalcin 2 is responsible for hepatoprotection against chemical, environmental and pharmacological stressors both in vitro and in vivo. Our long-term objectives are to mechanistically study repertoire of AhR target genes in the context of liver and metabolic diseases and to develop a translational approach to AhR biology by identifying and characterizing therapeutically useful endogenous AhR agonists to ameliorate hepatic injury. To achieve our long-term goal my research employs cutting-edge cellular, molecular and biochemical methodologies as well as utilizes innovative genome-wide technologies such as next-generation sequencing (RNA, ChIP and ATAC-seq) and CRISPR mediated genome editing. 




Publications & Presentations

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    11. Wright E J, De Castro K P, Joshi A, Elferink C J. Canonical and non-canonical aryl hydrocarbon receptor signaling pathways. Current opinion in toxicology. 2017; 2 : 87-92

    12. Gaziova I, Jackson D, Boor P J, Carter D, Cruz-Monserrate Z, Elferink C J, Joshi A, Kaphalia B, Logsdon C D, de Pereira Castro K, Soong L, Tao X, Qiu S, Elferink L A. The MET Receptor Tyrosine Kinase Confers Repair of Murine Pancreatic Acinar Cells following Acute and Chronic Injury. PloS one. 2016; 11 : e0165485

    13. Joshi A, Mustafa M G, Lichti C F, Elferink C J. Homocitrullination Is a Novel Histone H1 Epigenetic Mark Dependent on Aryl Hydrocarbon Receptor Recruitment of Carbamoyl Phosphate Synthase 1. The Journal of biological chemistry. 2015; 290 : 27767-78

    14. Jackson D P, Joshi A, Elferink C J. Ah Receptor Pathway Intricacies; Signaling Through Diverse Protein Partners and DNA-Motifs. Toxicology research. 2015; 4 : 1143-1158

    15. Joshi A, Carter D E, Harper, Jr T A, Elferink C J. Aryl hydrocarbon receptor-dependent stanniocalcin 2 induction by cinnabarinic acid provides cytoprotection against endoplasmic reticulum and oxidative stress. The Journal of pharmacology and experimental therapeutics. 2015; 353 : 201-12

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Grants


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Awards and Honors

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                                                                                            1. Society of Toxicology. Mechanism Specialty Section Research Award. Date: 2015.  

                                                                                            2. Society of Toxicology. Molecular and Systems Biology Specialty Section Research Award. Date: 2015.  

                                                                                            3. Society of Toxicology. Dr. Dharm Singh Award. Date: 2013.  

                                                                                            4. Society of Toxicology. Molecular Biology Specialty Section Research Award. Date: 2013.  

                                                                                            5. University of Texas Medical Branch. Mason Guest Award in Physiology and Biophysics . Date: 2006.  

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Education

                                                                                            1.  Degree: Ph D. University of Texas Medical Branch. Date: 2008.  

                                                                                            2.  Degree: MS. University of Mumbai. Date: 2002.  

                                                                                            3.  Degree: BS. University of Mumbai. Date: 2000.