Julien Sebag
Associate Professor of Pharmacology
Adjunct Research Associate Professor
Life Sciences Institute
[email protected]

Available to mentor

Julien Sebag
Associate Professor
  • About
  • Qualifications
  • Center Memberships
  • Recent Publications
  • About

    Our laboratory focuses on identifying new pathways involved in the control of energy and glucose homeostasis and discovering novel targets for the treatment of obesity and diabetes. Our main focus is understanding the role and mechanism of GPCR regulation by the Melanocortin Receptor Accessory Protein 2 (MRAP2). MRAP2 is a critical protein for the maintenance of proper energy and glucose balance. Deletion of MRAP2 causes obesity and insulin resistance, however, the mechanisms involved are poorly understood. We are also studying new regulators of insulin-stimulated GLUT4 translocation using high throughput screening and structural biology.

    Qualifications
    • PhD
      University of Rochester Medical Center, Rochester
    Center Memberships
    • Center Member
      Caswell Diabetes Institute
    Recent Publications See All Publications
    • Journal Article
      Insulin sensitization by small molecules enhancing GLUT4 translocation.
      Yin TC, Van Vranken JG, Srivastava D, Mittal A, Buscaglia P, Moore AE, Verdinez JA, Graham AE, Walsh SA, Acevedo MA, Kerns RJ, Artemyev NO, Gygi SP, Sebag JA. Cell Chem Biol, 2023 Aug 17; 30 (8): 933 - 942.e6. DOI:10.1016/j.chembiol.2023.06.012
      PMID: 37453421
    • Journal Article
      Activation of amygdala prokineticin receptor 2 neurons drives the anorexigenic activity of the neuropeptide PK2.
      Yin TC, Mittal A, Buscaglia P, Li W, Sebag JA. J Biol Chem, 2023 Jan; 299 (1): 102814 DOI:10.1016/j.jbc.2022.102814
      PMID: 36539034
    • Journal Article
      MRAP2 inhibits β-arrestin recruitment to the ghrelin receptor by preventing GHSR1a phosphorylation.
      Rouault AAJ, Buscaglia P, Sebag JA. J Biol Chem, 2022 Jun; 298 (6): 102057 DOI:10.1016/j.jbc.2022.102057
      PMID: 35605660
    • Journal Article
      A putative long noncoding RNA-encoded micropeptide maintains cellular homeostasis in pancreatic β cells.
      Li M, Shao F, Qian Q, Yu W, Zhang Z, Chen B, Su D, Guo Y, Phan A-V, Song L-S, Stephens SB, Sebag J, Imai Y, Yang L, Cao H. Mol Ther Nucleic Acids, 2021 Dec 3; 26: 307 - 320. DOI:10.1016/j.omtn.2021.06.027
      PMID: 34513312
    • Journal Article
      Role of N-Linked Glycosylation in PKR2 Trafficking and Signaling.
      Verdinez JA, Sebag JA. Front Neurosci, 2021 15: 730417 DOI:10.3389/fnins.2021.730417
      PMID: 34483834
    • Journal Article
      Neutrophils Alter DNA Repair Landscape to Impact Survival and Shape Distinct Therapeutic Phenotypes of Colorectal Cancer.
      Bui TM, Butin-Israeli V, Wiesolek HL, Zhou M, Rehring JF, Wiesmüller L, Wu JD, Yang G-Y, Hanauer SB, Sebag JA, Sumagin R. Gastroenterology, 2021 Jul; 161 (1): 225 - 238.e15. DOI:10.1053/j.gastro.2021.03.027
      PMID: 33753103
    • Journal Article
      The Insulinostatic Effect of Ghrelin Requires MRAP2 Expression in δ Cells.
      Yin TC, Bauchle CJ, Rouault AAJ, Stephens SB, Sebag JA. iScience, 2020 Jun 26; 23 (6): 101216 DOI:10.1016/j.isci.2020.101216
      PMID: 32535024
    • Journal Article
      Reduced mRNA Expression of RGS2 (Regulator of G Protein Signaling-2) in the Placenta Is Associated With Human Preeclampsia and Sufficient to Cause Features of the Disorder in Mice.
      Perschbacher KJ, Deng G, Sandgren JA, Walsh JW, Witcher PC, Sapouckey SA, Owens CE, Zhang SY, Scroggins SM, Pearson NA, Devor EJ, Sebag JA, Pierce GL, Fisher RA, Kwitek AE, Santillan DA, Gibson-Corley KN, Sigmund CD, Santillan MK, Grobe JL. Hypertension, 2020 Feb; 75 (2): 569 - 579. DOI:10.1161/HYPERTENSIONAHA.119.14056
      PMID: 31865781