A Molecular Screening Approach to Identify and Characterize Inhibitors of Glioblastoma Stem Cells
Koppany Visnyei,Hideyuki Onodera,Robert Damoiseaux,Kuniyasu Saigusa,Syuzanna Petrosyan,David De Vries,Denise Ferrari,Jonathan P. Saxe,Eduard H. Panosyan,Michael Masterman-Smith,Jack Mottahedeh,Kenneth A. Bradley,Jing Huang,Chiara Sabatti,Ichiro Nakano,Harley I. Kornblum +15 more
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TLDR
A high-throughput small molecule screening approach that enables the identification and characterization of chemical compounds that are effective against GBM stem cells and provides potential candidates and a blueprint for lead compound identification in larger scale screens or screens involving other cancer types is described.Abstract:
Glioblastoma multiforme (GBM) is amongst the most lethal of all cancers. GBM consist of a heterogeneous population of tumor cells amongst which a tumor initiating and treatment-resistant subpopulation, here termed GBM stem cells (GSC), have been identified as primary therapeutic targets. Here, we describe a high-throughput small molecule screening approach that enables the identification and characterization of chemical compounds that are effective against GSC. The paradigm uses a tissue culture model to enrich for GSC derived from human GBM resections and combines a phenotype-based screen with gene target-specific screens for compound identification. We used 31,624 small molecules from seven chemical libraries that we characterized and ranked based on their effect on a panel of GSC-enriched cultures as well as their effect on the expression of a module of genes whose expression negatively correlates with clinical outcome: MELK, ASPM, TOP2A and FOXM1b. Of the 11 compounds meeting criteria for exerting differential effects across cell types used, 4 compounds demonstrated selectivity by inhibiting multiple GSC-enriched cultures compared to non-enriched cultures: Emetine, N-Arachidonoyldopamine (NADA), N-Oleoyldopamine (OLDA), and N-Palmitoyldopamine (PALDA). ChemBridge compounds #5560509 and #5256360 inhibited the expression of the 4 mitotic module genes. OLDA, Emetine, and compounds #5560509 and #5256360 were chosen for more detailed study and inhibited GSC in self-renewal assays in vitro and in a xenograft model in vivo. These studies demonstrate that our screening strategy provides potential candidates as well as a blueprint for lead compound identification in larger scale screens or screens involving other cancer types.read more
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Tackling the cancer stem cells — what challenges do they pose?
TL;DR: The signalling pathways that create cancer stem cells, cell-intrinsic mechanisms that could be exploited for selective elimination or induction of their differentiation, and the role of the tumour microenvironment in sustaining them are discussed.
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TL;DR: A unique approach to controlled delivery in the brain should have a significant impact on treatment of glioblastoma multiforme and suggests previously undescribed routes for drug and gene delivery to treat other diseases of the central nervous system.
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FOXM1 (Forkhead box M1) in Tumorigenesis: Overexpression in Human Cancer, Implication in Tumorigenesis, Oncogenic Functions, Tumor-Suppressive Properties, and Target of Anticancer Therapy
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Sheila K. Singh,Cynthia Hawkins,Ian D. Clarke,Jeremy A. Squire,Jane Bayani,Takuichiro Hide,R. Mark Henkelman,Michael D. Cusimano,Peter B. Dirks +8 more
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Journal ArticleDOI
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Roger E. McLendon,Allan H. Friedman,Darrell D. Bigner,Erwin G. Van Meir,Daniel J. Brat,Gena M. Mastrogianakis,Jeffrey J. Olson,Tom Mikkelsen,Norman L. Lehman,Kenneth Aldape,W. K. Alfred Yung,Oliver Bogler,John N. Weinstein,Scott R. VandenBerg,Mitchel S. Berger,Michael D. Prados,Donna M. Muzny,Margaret Morgan,Steve Scherer,Aniko Sabo,Lynn Nazareth,Lora Lewis,Otis Hall,Yiming Zhu,Yanru Ren,Omar Alvi,Jiqiang Yao,Alicia Hawes,Shalini N. Jhangiani,Gerald R. Fowler,Anthony San Lucas,Christie Kovar,Andrew Cree,Huyen Dinh,Jireh Santibanez,Vandita Joshi,Manuel L. Gonzalez-Garay,Christopher A. Miller,Aleksandar Milosavljevic,Lawrence A. Donehower,David A. Wheeler,Richard A. Gibbs,Kristian Cibulskis,Carrie Sougnez,Timothy Fennell,Scott Mahan,Jane Wilkinson,Liuda Ziaugra,Robert C. Onofrio,Toby Bloom,Rob Nicol,Kristin G. Ardlie,Jennifer Baldwin,Stacey Gabriel,Eric S. Lander,Eric S. Lander,Li Ding,Robert S. Fulton,Michael D. McLellan,John W. Wallis,David E. Larson,Xiaoqi Shi,Rachel Abbott,Lucinda Fulton,Ken Chen,Daniel C. Koboldt,Michael C. Wendl,Rick Meyer,Yuzhu Tang,Ling Lin,John R. Osborne,Brian H. Dunford-Shore,Tracie L. Miner,Kim D. Delehaunty,Chris Markovic,Gary W. Swift,William Courtney,Craig Pohl,Scott Abbott,Amy Hawkins,Shin Leong,Carrie A. Haipek,Heather Schmidt,Maddy Wiechert,Tammi L. Vickery,Sacha Scott,David J. Dooling,Asif T. Chinwalla,George M. Weinstock,Elaine R. Mardis,Richard K. Wilson,Gad Getz,Wendy Winckler,Roel G.W. Verhaak,Michael S. Lawrence,Michael J. T. O’Kelly,James A. Robinson,Gabriele Alexe,Rameen Beroukhim,Scott L. Carter,Derek Y. Chiang,Josh Gould,Supriya Gupta,Josh Korn,Craig H. Mermel,Jill P. Mesirov,Stefano Monti,Huy V. Nguyen,Melissa Parkin,Michael R. Reich,Nicolas Stransky,Barbara A. Weir,Levi A. Garraway,Todd R. Golub,Matthew Meyerson,Lynda Chin,Alexei Protopopov,Jianhua Zhang,Ilana Perna,Sandy Aronson,Narayanan Sathiamoorthy,Georgia Ren,Jun Yao,W. Ruprecht Wiedemeyer,Hyun Soo Kim,Won Kong Sek,Yonghong Xiao,Isaac S. Kohane,Jon G. Seidman,Peter J. Park,Raju Kucherlapati,Peter W. Laird,Leslie Cope,James G. Herman,Daniel J. Weisenberger,Fei Pan,David Van Den Berg,Leander Van Neste,Mi Yi Joo,Kornel E. Schuebel,Stephen B. Baylin,Devin Absher,Jun Li,Audrey Southwick,Shannon T. Brady,Amita Aggarwal,Tisha Chung,Gavin Sherlock,James D. Brooks,Richard M. Myers,Paul T. Spellman,Elizabeth Purdom,Lakshmi Jakkula,Anna Lapuk,Henry Marr,Shannon Dorton,Gi Choi Yoon,Ju Han,Amrita Ray,Victoria Wang,Steffen Durinck,Mark D. Robinson,Nicholas J. Wang,Karen Vranizan,Vivian Peng,Eric Van Name,Gerald V. Fontenay,John Ngai,John G. Conboy,Bahram Parvin,Heidi S. Feiler,Terence P. Speed,Terence P. Speed,Joe W. Gray,Cameron Brennan,Nicholas D. Socci,Adam B. Olshen,Barry S. Taylor,Barry S. Taylor,Alex E. Lash,Nikolaus Schultz,Boris Reva,Yevgeniy Antipin,Alexey Stukalov,Benjamin Gross,Ethan Cerami,Qing Wang Wei,Li-Xuan Qin,Venkatraman E. Seshan,Liliana Villafania,Magali Cavatore,Laetitia Borsu,Agnes Viale,William L. Gerald,Chris Sander,Marc Ladanyi,Charles M. Perou,D. Neil Hayes,Michael D. Topal,Katherine A. Hoadley,Yuan Qi,Sai Balu,Yan Shi,Junyuan Wu,Robert Penny,Michael L. Bittner,Troy Shelton,Elizabeth Lenkiewicz,Scott Morris,Debbie Beasley,Sheri Sanders,Ari B. Kahn,Robert Sfeir,Jessica Chen,David Nassau,Larry Feng,Erin Hickey,Anna D. Barker,Daniela S. Gerhard,Joseph G. Vockley,Carolyn C. Compton,Jim Vaught,Peter Fielding,Martin L. Ferguson,Carl F. Schaefer,Jinghui Zhang,Subhashree Madhavan,Kenneth H. Buetow,Francis S. Collins,Peter J. Good,Mark S. Guyer,Brad Ozenberger,Jane Peterson,Elizabeth J. Thomson +233 more
TL;DR: The interim integrative analysis of DNA copy number, gene expression and DNA methylation aberrations in 206 glioblastomas reveals a link between MGMT promoter methylation and a hypermutator phenotype consequent to mismatch repair deficiency in treated gliobeasts, demonstrating that it can rapidly expand knowledge of the molecular basis of cancer.
Journal ArticleDOI
Glioma stem cells promote radioresistance by preferential activation of the DNA damage response
Shideng Bao,Qiulian Wu,Roger E. McLendon,Yueling Hao,Qing Ming Shi,Anita B. Hjelmeland,Mark W. Dewhirst,Darell D. Bigner,Jeremy N. Rich +8 more
TL;DR: This work shows that cancer stem cells contribute to glioma radioresistance through preferential activation of the DNA damage checkpoint response and an increase in DNA repair capacity, and suggests that CD133-positive tumour cells could be the source of tumour recurrence after radiation.
Journal Article
Identification of a Cancer Stem Cell in Human Brain Tumors
Sheila K. Singh,Ian D. Clarke,Mizuhiko Terasaki,Victoria E. Bonn,Cynthia Hawkins,Jeremy A. Squire,Peter B. Dirks +6 more
TL;DR: The identification and purification of a cancer stem cell from human brain tumors of different phenotypes that possesses a marked capacity for proliferation, self-renewal, and differentiation is reported.
Journal ArticleDOI
Molecular subclasses of high-grade glioma predict prognosis, delineate a pattern of disease progression, and resemble stages in neurogenesis
Heidi S. Phillips,Samir Kharbanda,Ruihuan Chen,William F. Forrest,Robert Soriano,Thomas D. Wu,Anjan Misra,Janice Nigro,Howard Colman,Liliana Soroceanu,P. Mickey Williams,Zora Modrusan,Burt G. Feuerstein,Kenneth Aldape +13 more
TL;DR: Previously undescribed prognostic subclasses of high-grade astrocytoma are identified and discovered to resemble stages in neurogenesis, suggesting functional relevance of tumor subtype molecular signatures is suggested by the ability of cell line signatures to predict neurosphere growth.
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