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Arun Radhakrishnan, Ph.D.

Arun Radhakrishnan, Ph.D.

Titles and Appointments

Professor

School
Graduate School
Department
Molecular Genetics
Graduate Programs
Biological Chemistry, Molecular Biophysics
  • Education
    Undergraduate
    Uni of California, Berkeley (1997), Molecular & Cell Biology
    Undergraduate
    Uni of California, Berkeley (1997), Bioengineering
    Graduate School
    Stanford University (2002), Biophysics
  • Research Interest
    • How signaling by membrane cholesterol controls cell growth, maintains lipid homeostasis, and protects us from microbial infection
  • Publications

    Star Featured Publications

    Competition between a transmembrane helix on Scap and a membrane cholesterol regulates Scap-Insig interaction and SREBP activation.
    Williams BC, Kober DL, Bai XC, Rosenbaum DM, Radhakrishnan A, Proc Natl Acad Sci U S A 2026 Jan 123 1 e2525043123
    Single-cell analysis of genetically minimized Salmonella reveals effector gene cooperation in vivo.
    Burford WB, Dilabazian H, Alto LT, Ma D, Mobley AB, Radhakrishnan A, Farrar JD, Alto NM, Nat Microbiol 2025 Sep
    Spatial proteomics of ER tubules reveals CLMN, an ER-actin tether at focal adhesions that promotes cell migration.
    Merta H, Gov K, Isogai T, Paul B, Sannigrahi A, Radhakrishnan A, Danuser G, Henne WM, Cell Rep 2025 Apr 44 4 115502
    Monitoring Accessible Cholesterol Levels in Immune Cells.
    Ma DH, Alto NM, Radhakrishnan A, Methods Mol Biol 2025 2888 83-99
    Development of a monoclonal antibody to study MARCH6, an E3 ligase that regulates proteins that control lipid homeostasis.
    Xu S, Donnelly L, Kober DL, Mak M, Radhakrishnan A, J Lipid Res 2024 Sep 100650
    A cholesterol-binding bacterial toxin provides a strategy for identifying a specific Scap inhibitor that blocks lipid synthesis in animal cells.
    Xu S, Smothers JC, Rye D, Endapally S, Chen H, Li S, Liang G, Kinnebrew M, Rohatgi R, Posner BA, Radhakrishnan A, Proc Natl Acad Sci U S A 2024 Feb 121 7 e2318024121
    DGAT2 inhibition blocks SREBP-1 cleavage and improves hepatic steatosis by increasing phosphatidylethanolamine in the ER.
    Rong S, Xia M, Vale G, Wang S, Kim CW, Li S, McDonald JG, Radhakrishnan A, Horton JD, Cell Metab 2024 Feb
    A concerted mechanism involving ACAT and SREBPs by which oxysterols deplete accessible cholesterol to restrict microbial infection.
    Heisler DB, Johnson KA, Ma DH, Ohlson MB, Zhang L, Tran M, Corley CD, Abrams ME, McDonald JG, Schoggins JW, Alto NM, Radhakrishnan A, Elife 2023 Jan 12
    Measuring and Manipulating Membrane Cholesterol for the Study of Hedgehog Signaling.
    Kinnebrew M, Johnson KA, Radhakrishnan A, Rohatgi R, Methods Mol Biol 2022 2374 73-87
    Patched 1 reduces the accessibility of cholesterol in the outer leaflet of membranes.
    Kinnebrew M, Luchetti G, Sircar R, Frigui S, Viti LV, Naito T, Beckert F, Saheki Y, Siebold C, Radhakrishnan A, Rohatgi R, Elife 2021 Oct 10