View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Spiral - Imperial College Digital Repository Attenuation of Hedgehog acyltransferase-catalyzed Sonic hedgehog palmitoylation causes reduced signaling, proliferation and invasiveness of human carcinoma cells Shu-Chun Chang 1, #, Antonio D Konitsiotis 1, Biljana Jovanović 1, *, Paulina Ciepla 2, 3, Naoko Masumoto 2, 3, Christopher P. Palmer 4, Edward W. Tate 2, 3, John R. Couchman 5 and Anthony I. Magee 1, 3 1 Molecular Medicine Section, National Heart & Lung Institute Imperial College London, Sir Alexander Fleming Building, South Kensington London SW7 2AZ, UK 2 Department of Chemistry, Imperial College London, South Kensington London SW7 2AZ, UK 3 Institute of Chemical Biology, Imperial College London 4 Institute for Health Research and Policy, London Metropolitan University London N7 8DB, UK 5 Department of Biomedical Sciences, University of Copenhagen, Biocenter, Ole Maaløes Vej 5, 2200 Copenhagen N, Denmark # Current address: Department of Biological Sciences, National University of Singapore 14 Science Drive 4, S1A-05-11, Singapore 117543 * Current address: Department of Biosciences and Nutrition, Karolinska Institutet SE-141 57 Huddinge, Sweden Running title: Carcinoma dependence on Hhat Key words: sonic hedgehog; Hedgehog acyltransferase; MBOAT; carcinoma; pancreatic; lung Corresponding author: Anthony I. Magee, Molecular Medicine Section, National Heart & Lung Institute Imperial College London, South Kensington Campus, London SW7 2AZ, UK. Tel: +44 (0)20 7594 3135 E-mail:
[email protected] Abbreviations: PDAC, pancreatic ductal adenocarcinoma; NSCLC, non-small cell lung cancer; Shh, Sonic hedgehog; Hhat, Hedgehog acyltransferase; KD, knockdown; siRNA, small interfering RNA; CFSE, 5(6)-Carboxyfluorescein diacetate N-succinimidyl ester; ALP, alkaline phosphatase 1 ABSTRACT Overexpression of Hedgehog family proteins contributes to the aetiology of many cancers.