Arun Radhakrishnan, Ph.D. Titles and Appointments Professor School Medical 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 Featured Publications 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 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 Scap structures highlight key role for rotation of intertwined luminal loops in cholesterol sensing. Kober DL, Radhakrishnan A, Goldstein JL, Brown MS, Clark LD, Bai XC, Rosenbaum DM, Cell 2021 Jun The use of anthrolysin O and ostreolysin A to study cholesterol in cell membranes. Johnson KA, Radhakrishnan A, Methods Enzymol 2021 649 543-566 Cholesterol access in cellular membranes controls Hedgehog signaling. Radhakrishnan A, Rohatgi R, Siebold C, Nat Chem Biol 2020 Dec 16 12 1303-1313 Results 1-10 of 29 1 2 3 Next Last
