Joshua "Josh" S. Speed
Associate Professor
Department:
SOM-Physiology & Biophysics
Email:
jspeed@umc.edu
Work Phone:
(601) 815-4582
Education
| University of Alabama at Birmingham, Postdoctoral Fellowship, Experimental Medicine | 2015 |
| University of MS Medical Center, PhD, Physiology and Biophysics | 2011 |
| Belhaven University, BS, Chemistry | 2005 |
Current Positions
| Associate Professor, School of Medicine, Department of Physiology And Biophysics | 07/2023 - Present |
| The University of Mississippi Medical Center Jackson, Mississippi 39216 | |
Academic Appointments or Other Previous Appointments
| Assistant Professor, University of Mississippi Medical Center, School of Medicine, Department of Physiology And Biophysics | 2018 - 06/2023 |
| Instructor, University of Alabama at Birmingham, School of Medicine, Department of Medicine | 07/2015 - 12/2017 |
Sponsored Program Funding
| Extramural, University of Mississippi Medical Center MSTP, NIGMS | 07/2026 - 06/2031 |
| Extramural, Hypertension and Cardiorenal Diseases Research Training Program, NHLBI | 09/2025 - 08/2030 |
| Extramural, Supplement to RO1DK124327, NIDDK | 06/2023 - 05/2025 |
| Extramural, R01-Endothelin-1 in Obesity and Insulin Resistance, NIDDK | 04/2021 - 03/2026 |
| Extramural, R25- MISSISSIPPI DIVERSITY IN HYPERTENSION AND CARDIORENAL RESEARCH PROGRAM, NHLBI | 04/2021 - 03/2026 |
| Extramural, R00 Supplement: Endothelin-1: Mechanisms in Hypertension and Obesity Supplement, NHLBI | 01/2019 - 12/2019 |
| Intramural, Endothelin and Insulin Resistance in Adipose | 12/2018 - 11/2019 |
| Extramural, R00-Endothelin-1: Mechanisms in Hypertension and Obesity, NHLBI | 01/2018 - 12/2021 |
Presentations
| State/Local Invited Seminars/Lectures, Mechanisms of Endothelin-1–Mediated Adipose Dysfunction in Obesity: Relevance to Racial Differences in Cardiometabolic Risk, Clinical Pharmacology Grand Rounds, Vanderbilt University | 01/2026 |
| National and International Invited Seminars/Lectures, Central Role of Endothelin-1 in Adipose Tissue Dysfunction, Insulin Resistance, and Dyslipidemia in Obesity, Tulane University, Department of Physiology, New Orleans, LA | 10/2025 |
| National and International Invited Seminars/Lectures, Mechanisms of adipose tissue dysfunction in obesity: contribution of endothelin-1, Medical University of South Carolina, Charleston, SC | 08/2025 |
| State/Local Invited Seminars/Lectures, Impact of Endothelin-1 on Adipose Tissue Function in Obesity, Multi-COBRE Meeting, UMMC | 06/2025 |
| State/Local Invited Seminars/Lectures, Adipose Tissue Endothelin-1: A Potential Driver of Racial Differences in Obesity Outcomes, Department of Biomedical Materials Science, UMMC | 08/2024 |
| National and International Invited Seminars/Lectures, Adipocyte specific ETB receptor knockout attenuates insulin resistance and dyslipidemia in mice fed high fat diet, Rome, Italy | 10/2023 |
| National and International Invited Seminars/Lectures, Knockout of the endothelin B receptor in adipocytes improves insulin sensitivity and the metabolic profile of male mice fed a high fat diet, Seventeenth International Endothelin Conference, Virtual | 10/2021 |
| National and International Invited Seminars/Lectures, Endothelin-1 in the pathophysiology of Obesity, Mississippi Center for Obesity Research, Jackson, MS | 03/2021 |
| National and International Invited Seminars/Lectures, Endothelin in Adipose: A Driver of Obesity Related Insulin Resistance and Inflammation, Augusta University, Augusta, GA | 01/2021 |
| State/Local Invited Seminars/Lectures, Obesity, Inflammation, and Endothelin-1, UMMC/Physiology, Jackson, MS | 09/2020 |
| National and International Invited Seminars/Lectures, Endothelin B Receptor Blockade Lowers Fasting Blood Glucose and Improves Insulin Tolerance in Rats, Endothelin-16, Kobe, Japan | 09/2019 |
| National and International Invited Seminars/Lectures, Salt intake, Endothelin-1, and Insulin Sensitivity, Southern, Salt, Water, and Kidney Meeting, Sarasota Florida | 12/2018 |
| National and International Invited Seminars/Lectures, Night-time sodium intake is associated with cardiometabolic risk and insulin resistance in night shift nurses, Experimental Biology, San Diego, CA | 04/2018 |
Honors, Awards, and Recognition
| Young Investigator Award, 18th International Conference on Endothelins | 2023 |
| UMMC Excellence in Research Early Career Investigator Award, UMMC | 2022 |
| UMMC Gold Excellence in Research, UMMC | 2021 |
| UMMC Silver Medallion Research Award, UMMC | 2019 |
| Young Investigator Award, Endothelin-16 | 2019 |
| Council on Hypertension Poster Award, American Heart Association | 2016 |
| Creativity is a Decision Award, UAB Nutrition and Obesity Research Center | 2015 |
Professional Membership and Service
| American Diabetes Association, Member | 2026 - Present |
| Society of Endocrinology, Member | 2019 - Present |
| American Society of Nephrology, Member | 2016 - Present |
| American Physiological Society, Member | 2010 - Present |
| American Heart Association, Member | 2010 - Present |
Committee Service
| UAB Nutrition and Obesity Research Center Pilot Projects Review Committee, Member | 2026 - Present |
| NIH/NHLBI; ZRG1 IVBH-A (92) S; Institutional Research Training Grants (T32) Study Section, Member | 2025 - Present |
| SCHOOL OF MEDICINE-CURRICULUM, Member | 2025 - Present |
| NIH; Basic Mechanisms of Diabetes and Metabolism (BMDM) Study Section, Member | 2025 - Present |
| NIH/NIGMS TWD-A; Training, Workforce Development, and Diversity, Member | 2024 - Present |
| MEDICAL CENTER-INSTITUTIONAL BIOSAFETY, Member | 2023 - Present |
| SCHOOL OF GRADUATE STUDIES IN THE HEALTH SCIENCES-CURRICULUM, Member | 2023 - Present |
| Immunology Basic Science Committee, Member | 2022 - Present |
| NIDDK Diabetes Research Center Review Panel, Member | 2022 - Present |
| NIDDK Diabetes, Endocrinology and Metabolic Diseases Fellowship Review Panel, Member | 2021 - Present |
| SCHOOL OF GRADUATE STUDIES IN THE HEALTH SCIENCES-GRADUATE COUNCIL, Member | 2021 - Present |
| AHA Innovative Project Award; Basic Science Peer Review Committee, Member | 2020 - Present |
| AHA Transformational Project Award; Vascular Basic Sciences Peer Review Committee, Member | 2019 - Present |
| AHA Council on Hypertension Nominating Committee, Member | 2018 - Present |
| AHA Fellowship; CardioRenal Bsc Peer Review Committee, Member | 2018 - Present |
| School of Graduate Studies Alumni Board, Member | 2018 - Present |
Other Service
| 19th Conference on Endothelins | 09/2026 - Present |
| Canadian Journal of Physiology and Pharmacology | 04/2026 - Present |
Teaching Experience
| PHYSIO 715, Graduate, Course, Course Director, Advanced Endocrinolgy | Spring 2023 |
| Graduate, Lecture, Facilitator, Advanced Renal Physiology | Spring 2022 |
| 625/725, Graduate, Lecture, Lecturer, Physiology | Fall 2022 - 2022 |
| Physio 625/725, Graduate, Course, Lecturer, Fundamentals of Physiology | Fall 2022 |
| Medicine, Small Group, Facilitator, Medical Physiology PBL-Cardiovascular | Spring 2019 |
| ID709, Graduate, Small Group, Facilitator, Responsible Conduct in Research | Spring 2019 |
| ID714, Graduate, Lecture, Lecturer, Professional Skills | Spring 2019 |
| Medicine, Small Group, Facilitator, Medical Physiology Problem Based Learning- Renal | Spring 2018 |
| Graduate, Lecture, Course Presenter, Physiological Applications of Molecular Biology | Fall 2018 |
| Physio 715, Graduate, Course, Lecturer, Advanced Endocrinology | Fall 2018 |
Directed Student Learning
| Dissertation Committee Member, Advised: Tamar Al-Daghastani | 2025 - Present |
| Supervised Research | 2025 - 2026 |
| Dissertation Committee Member, Advised: Sautan Mandal | 2024 - Present |
| Dissertation Committee Member, Advised: Marcus Robbins | 2024 - Present |
| Directed Individual/Independent Study, Advised: Joshua Michael | 2024 - 2025 |
| Dissertation Committee Member, Advised: Jordan Hart | 2023 - Present |
| Supervised Research, Advised: Caroline Miller | 2023 - 2024 |
| Supervised Research, Advised: Marjorie Lam | 2023 - 2023 |
| Research Advisor, Advised: Hayley Murphy | 2023 - Present |
| Research Advisor, Advised: Yamrot Sileshi | 2023 - 2023 |
| Supervised Research, Advised: Shivam Patel | 2023 - 2023 |
| Dissertation Defense Committee Member, Advised: Umesh Bhattarai | 2022 - 2025 |
| Dissertation Defense Committee Member, Advised: Breland Crudup | 2022 - 2025 |
| Research Advisor, Advised: Aditya Remata | 2022 - 2022 |
| Supervised Research, Advised: Tatyana Stanford | 2022 - 2022 |
| Dissertation Defense Committee Member, Advised: Sheetal Chowdhury | 2022 - 2026 |
| Research Advisor, Advised: Daniel Moore | 2022 - 2022 |
| Dissertation Defense Committee Member, Advised: Andrew Milner | 2021 - 2025 |
| Dissertation Committee Chair, Advised: Madison Newberry | 2021 - 2025 |
| Supervised Research, Advised: Kaleb Newton | 2021 - 2021 |
| Dissertation Defense Committee Member, Advised: Tanya Pareek | 2021 - 2025 |
| Supervised Research | 2021 - 2021 |
| Dissertation Defense Committee Member, Advised: Bridgette Konadu | 2020 - Present |
| Research Advisor, Advised: Joseph Cook | 2019 - 2019 |
| Research Advisor, Advised: Jennifer Stapel | 2019 - 2023 |
| Dissertation Committee Chair, Endothelin-1 in Obesity and Insulin Resistance Advised: Osvaldo Rivera-Gonzalez | 2019 - 2021 |
| Doctoral Advisory Committee Member, Advised: John Daseke | 2018 - 2020 |
| Dissertation Defense Committee Member, Advised: Redin Spann | 2018 - 2020 |
| Dissertation Committee Member, Advised: Laura Coats | 2018 - 2021 |
| Supervised Research, Advised: Haley Jenkins | 2018 - 2020 |
| Dissertation Committee Member, Advised: Corbin Shields | 2018 - 2022 |
| Supervised Research, Advised: Jordan Love | 2018 - 2018 |
Fellows supervised
| Physiology and Biophysics, Research Advisor, 4 fellows supervised | 01/2021 - Present |