Regan Roat, MD, PhD
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Academic Faculty, Clinical Provider
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Adult Diabetes, Gestational Diabetes
Staff Physician
Instructor in Medicine, Harvard Medical School
Dr. Regan Roat, MD, PhD is an endocrinologist at the Joslin Diabetes Center. She earned her bachelor’s degree from the University of Pennsylvania, and subsequently obtained her MD and PhD degrees through the combined Physician Scientist track at the University of South Dakota. Following graduation, she attended Internal Medicine residency training at the Medical University of South Carolina, in Charleston, and then moved to Boston for fellowship training in Diabetes, Endocrinology and Metabolism at Beth Israel Deaconess Medical Center and the Joslin Diabetes Center.
Dr. Roat currently sees patients with Type 1 and Type 2 diabetes for preconception counseling and management of diabetes during pregnancy. She also sees patients who develop gestational diabetes or abnormal blood glucose levels during their pregnancy. She practices in the ambulatory setting and also serves as an Attending Physician for the Diabetes and Pregnancy inpatient service at Beth Israel Deaconess Medical Center, where she works closely with the endocrinology fellows. In addition to pregnancy, Dr. Roat also sees adult patients with Type 1 and Type 2 diabetes.
Undergraduate: University of Pennsylvania
Medical School: University of South Dakota Sanford School of Medicine
Internship: Medical University of South Carolina, Internal Medicine
Residency: Medical University of South Carolina, Internal Medicine
Fellowship: Beth Israel Deaconess Medical Center & Joslin Diabetes Center
Board Certification: American Board of Internal Medicine – Internal Medicine, American Board of Internal Medicine – Endocrinology, Diabetes & Metabolism
- Faleck DM, Ali K, Roat R, Graham MJ, Crooke RM, Battisti R, Garcia E, Ahima RS, Imai Y. Adipose differentiation-related protein regulates lipids and insulin in pancreatic islets. American Journal of Physiology – Endocrinology and Metabolism. 2010; 299(2): E249-57.
- Roat R, Rao V, Doliba NM, Matschinsky FM, Tobias JW, Garcia E, Ahima RS, Imai Y. Alterations of pancreatic islet structure, metabolism and gene expression in diet-induced obese C57BL/6J mice. PLoS One. 2014; 9(2): e86815.
- Roat R, Hossain MM, Christopherson J, Free C, Jain S, Guay C, Regazzi R, Guo Z. Identification and Characterization of microRNAs Associated with Human β-Cell Loss in a Mouse Model. American Journal of Transplantation. 2017; 17: 992-1007.
- Roat R, Hossain MM, Christopherson J, Free C, Guay C, Regazzi R, Guo Z. Circulating miRNA-150-5p is associated with immune-mediated early beta-cell loss in a humanized mouse model. Xenotransplantation. 2019; 26(2): e12474.
- Hossain MM, Roat R, Christopherson J, Free C, Ansarullah, James B, Guo Z. Exploring lncRNAs associated with human pancreatic islet cell death induced by transfer of adoptive lymphocytes in a humanized mouse model. Frontiers in Endocrinology (Lausanne). 2023; 14:1244688.
- Continuous glucose monitoring in patients with type 1 diabetes during pregnancy
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