Journal ArticleDOI
mTOR inhibition reverses Akt-dependent prostate intraepithelial neoplasia through regulation of apoptotic and HIF-1-dependent pathways
Pradip K. Majumder,Phillip G. Febbo,Phillip G. Febbo,Rachel Bikoff,Rachel Bikoff,Raanan Berger,Raanan Berger,Qi Xue,Qi Xue,Louis McMahon,Judith Manola,James Brugarolas,James Brugarolas,Timothy J. McDonnell,Todd R. Golub,Todd R. Golub,Todd R. Golub,Massimo Loda,Massimo Loda,Heidi Lane,William R. Sellers,William R. Sellers,William R. Sellers +22 more
TLDR
It is reported that mTOR inhibition induced apoptosis of epithelial cells and the complete reversal of a neoplastic phenotype in the prostate of mice expressing human AKT1 in the ventral prostate, and that clinical resistance to mTOR inhibitors may emerge through BCL2 expression and/or upregulation of HIF-1α activity.Abstract:
Loss of PTEN function leads to activation of phosphoinositide 3-kinase (PI3K) signaling and Akt. Clinical trials are now testing whether mammalian target of rapamycin (mTOR) inhibition is useful in treating PTEN-null cancers. Here, we report that mTOR inhibition induced apoptosis of epithelial cells and the complete reversal of a neoplastic phenotype in the prostate of mice expressing human AKT1 in the ventral prostate. Induction of cell death required the mitochondrial pathway, as prostate-specific coexpression of BCL2 blocked apoptosis. Thus, there is an mTOR-dependent survival signal required downstream of Akt. Bcl2 expression, however, only partially restored intraluminal cell growth in the setting of mTOR inhibition. Expression profiling showed that Hif-1 alpha targets, including genes encoding most glycolytic enzymes, constituted the dominant transcriptional response to AKT activation and mTOR inhibition. These data suggest that the expansion of AKT-driven prostate epithelial cells requires mTOR-dependent survival signaling and activation of HIF-1 alpha, and that clinical resistance to mTOR inhibitors may emerge through BCL2 expression and/or upregulation of HIF-1 alpha activity.read more
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Gene set enrichment analysis: A knowledge-based approach for interpreting genome-wide expression profiles
Aravind Subramanian,Pablo Tamayo,Vamsi K. Mootha,Sayan Mukherjee,Benjamin L. Ebert,Michael A. Gillette,Amanda G. Paulovich,Scott L. Pomeroy,Todd R. Golub,Eric S. Lander,Jill P. Mesirov +10 more
TL;DR: The Gene Set Enrichment Analysis (GSEA) method as discussed by the authors focuses on gene sets, that is, groups of genes that share common biological function, chromosomal location, or regulation.
Journal ArticleDOI
Comprehensive molecular portraits of human breast tumours
Daniel C. Koboldt,Robert S. Fulton,Michael D. McLellan,Heather Schmidt,Joelle Kalicki-Veizer,Joshua F. McMichael,Lucinda Fulton,David J. Dooling,Li Ding,Elaine R. Mardis,Richard K. Wilson,Adrian Ally,Miruna Balasundaram,Yaron S.N. Butterfield,Rebecca Carlsen,Candace Carter,Andy Chu,Eric Chuah,Hye Jung E. Chun,Robin J.N. Coope,Noreen Dhalla,Ranabir Guin,Carrie Hirst,Martin Hirst,Robert A. Holt,Darlene Lee,Haiyan I. Li,Michael Mayo,Richard A. Moore,Andrew J. Mungall,Erin Pleasance,A. Gordon Robertson,Jacqueline E. Schein,Arash Shafiei,Payal Sipahimalani,Jared R. Slobodan,Dominik Stoll,Angela Tam,Nina Thiessen,Richard Varhol,Natasja Wye,Thomas Zeng,Yongjun Zhao,Inanc Birol,Steven J.M. Jones,Marco A. Marra,Andrew D. Cherniack,Gordon Saksena,Gordon Saksena,Robert C. Onofrio,Nam H. Pho,Scott L. Carter,Steven E. Schumacher,Steven E. Schumacher,Barbara Tabak,Barbara Tabak,Bryan Hernandez,Jeff Gentry,Huy Nguyen,Andrew Crenshaw,Kristin G. Ardlie,Rameen Beroukhim,Rameen Beroukhim,Wendy Winckler,Gad Getz,Gad Getz,Stacey Gabriel,Matthew Meyerson,Matthew Meyerson,Lynda Chin,Lynda Chin,Raju Kucherlapati,Katherine A. Hoadley,J. Todd Auman,Cheng Fan,Yidi J. Turman,Yan Shi,Ling Li,Michael D. Topal,Xiaping He,Hann Hsiang Chao,Aleix Prat,Grace O. Silva,Michael D. Iglesia,Wei Zhao,Jerry Usary,Jonathan S. Berg,Michael C. Adams,Jessica K. Booker,Junyuan Wu,Anisha Gulabani,Tom Bodenheimer,Alan P. Hoyle,Janae V. Simons,Matthew G. Soloway,Lisle E. Mose,Stuart R. Jefferys,Saianand Balu,Joel S. Parker,D. Neil Hayes,Charles M. Perou,Simeen Malik,Swapna Mahurkar,Hui Shen,Daniel J. Weisenberger,Timothy J. Triche,Phillip H. Lai,Moiz S. Bootwalla,Dennis T. Maglinte,Benjamin P. Berman,David Van Den Berg,Stephen B. Baylin,Peter W. Laird,Chad J. Creighton,Lawrence A. Donehower,Michael S. Noble,Doug Voet,Nils Gehlenborg,Daniel Di Cara,Juinhua Zhang,Hailei Zhang,Chang-Jiun Wu,Spring Yingchun Liu,Michael S. Lawrence,Lihua Zou,Andrey Sivachenko,Pei Lin,Petar Stojanov,Rui Jing,Juok Cho,Raktim Sinha,Richard W. Park,Marc Danie Nazaire,James A. Robinson,Helga Thorvaldsdottir,Jill P. Mesirov,Peter J. Park,Sheila Reynolds,Richard Kreisberg,Brady Bernard,Ryan Bressler,Timo Erkkilä,Jake Lin,Vesteinn Thorsson,Wei Zhang,Ilya Shmulevich,Giovanni Ciriello,Nils Weinhold,Nikolaus Schultz,Jianjiong Gao,Ethan Cerami,Benjamin Gross,Anders Jacobsen,Rileen Sinha,B. Arman Aksoy,Yevgeniy Antipin,Boris Reva,Ronglai Shen,Barry S. Taylor,Marc Ladanyi,Chris Sander,Pavana Anur,Paul T. Spellman,Yiling Lu,Wenbin Liu,Roel R.G. Verhaak,Gordon B. Mills,Gordon B. Mills,Rehan Akbani,Nianxiang Zhang,Bradley M. Broom,Tod D. Casasent,Chris Wakefield,Anna K. Unruh,Keith A. Baggerly,Kevin R. Coombes,John N. Weinstein,David Haussler,Christopher C. Benz,Joshua M. Stuart,Stephen C. Benz,Jingchun Zhu,Christopher Szeto,Gary K. Scott,Christina Yau,Evan O. Paull,Daniel E. Carlin,Christopher K. Wong,Artem Sokolov,Janita Thusberg,Sean D. Mooney,Sam Ng,Theodore C. Goldstein,Kyle Ellrott,Mia Grifford,Christopher Wilks,Singer Ma,Brian Craft,Chunhua Yan,Ying Hu,Daoud Meerzaman,Julie M. Gastier-Foster,Julie M. Gastier-Foster,Jay Bowen,Nilsa C. Ramirez,Nilsa C. Ramirez,Aaron D. Black,Robert E. Pyatt,Robert E. Pyatt,Peter White,Peter White,Erik Zmuda,Jessica Frick,Tara M. Lichtenberg,Robin Brookens,Myra M. George,Mark Gerken,Hollie A. Harper,Kristen M. Leraas,Lisa Wise,Teresa R. Tabler,Cynthia McAllister,Thomas Barr,Melissa Hart-Kothari,Katie Tarvin,Charles Saller,George E. Sandusky,Colleen Mitchell,Mary Iacocca,Jennifer Brown,Brenda Rabeno,Christine Czerwinski,Nicholas J. Petrelli,Oleg Dolzhansky,Mikhail Abramov,Olga Voronina,Olga Potapova,Jeffrey R. Marks,Wiktoria Maria Suchorska,Dawid Murawa,Witold Kycler,Matthew Ibbs,Konstanty Korski,Arkadiusz Spychała,Pawel Murawa,Jacek J. Brzeziński,Hanna Perz,Radoslaw Łaźniak,M. Teresiak,Honorata Tatka,Ewa Leporowska,Marta Bogusz-Czerniewicz,Julian Malicki,Andrzej Mackiewicz,Maciej Wiznerowicz,Xuan Van Le,Bernard Kohl,Nguyen Viet Tien,Richard Thorp,Nguyen Van Bang,Howard H. Sussman,Bui Duc Phu,Richard A. Hajek,Nguyen Phi Hung,Huynh Quyet Thang,Khurram Z. Khan,Robert Penny,David Mallery,Erin Curley,Candace Shelton,Peggy Yena,James N. Ingle,Fergus J. Couch,Wilma L. Lingle,Tari A. King,Ana M. Gonzalez-Angulo,Ana M. Gonzalez-Angulo,Mary D. Dyer,Shuying Liu,Xiaolong Meng,Modesto Patangan,Frederic Waldman,Frederic Waldman,Hubert Stoppler,W. Kimryn Rathmell,Leigh B. Thorne,Mei Huang,Lori Boice,Ashley Hill,Carl Morrison,Carmelo Gaudioso,Wiam Bshara,Kelly Daily,Sophie C. Egea,Mark D. Pegram,Carmen Gomez-Fernandez,Rajiv Dhir,Rohit Bhargava,Adam Brufsky,Craig D. Shriver,Jeffrey A. Hooke,Jamie Leigh Campbell,Richard J. Mural,Hai Hu,Stella Somiari,Caroline Larson,Brenda Deyarmin,Leonid Kvecher,Albert J. Kovatich,Matthew J. Ellis,Thomas Stricker,Kevin P. White,Olufunmilayo I. Olopade,Chunqing Luo,Yaqin Chen,Ron Bose,Li-Wei Chang,Andrew H. Beck,Todd Pihl,Mark A. Jensen,Robert Sfeir,Ari B. Kahn,Anna Chu,Prachi Kothiyal,Zhining Wang,Eric E. Snyder,Joan Pontius,Brenda Ayala,Mark Backus,Jessica Walton,Julien Baboud,Dominique L. Berton,Matthew C. Nicholls,Deepak Srinivasan,Rohini Raman,Stanley Girshik,Peter A. Kigonya,Shelley Alonso,Rashmi N. Sanbhadti,Sean P. Barletta,David Pot,Margi Sheth,John A. Demchok,Kenna R. Mills Shaw,Liming Yang,Greg Eley,Martin L. Ferguson,Roy Tarnuzzer,Jiashan Zhang,Laura A.L. Dillon,Kenneth H. Buetow,Peter Fielding,Bradley A. Ozenberger,Mark S. Guyer,Heidi J. Sofia,Jacqueline D. Palchik +355 more
TL;DR: The ability to integrate information across platforms provided key insights into previously defined gene expression subtypes and demonstrated the existence of four main breast cancer classes when combining data from five platforms, each of which shows significant molecular heterogeneity.
Journal ArticleDOI
AKT/PKB signaling: navigating downstream.
TL;DR: Those Akt substrates that are most likely to contribute to the diverse cellular roles of Akt, which include cell survival, growth, proliferation, angiogenesis, metabolism, and migration are discussed.
Journal ArticleDOI
Upstream and downstream of mTOR
Nissim Hay,Nahum Sonenberg +1 more
TL;DR: Both the upstream components of the signaling pathway(s) that activates mammalian TOR (mTOR) and the downstream targets that affect protein synthesis are described.
Journal ArticleDOI
The biology of cancer: metabolic reprogramming fuels cell growth and proliferation
TL;DR: This review examines the idea that several core fluxes, including aerobic glycolysis, de novo lipid biosynthesis, and glutamine-dependent anaplerosis, form a stereotyped platform supporting proliferation of diverse cell types and regulates regulation of these fluxes by cellular mediators of signal transduction and gene expression.
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