Blood 2008, 111:3183–3189.PubMedCrossRef 39. Schetter AJ, Leung SY, Sohn JJ, Zanetti KA, Bowman ED, Yanaihara N, Yuen ST, Chan TL, Kwong DL, Au GK, Liu CG, Calin GA, Croce CM, Harris CC: MicroRNA expression profiles associated with prognosis and therapeutic outcome in colon adenocarcinoma. JAMA 2008, 299:425–436.PubMedCrossRef 40. Calin GA, Ferracin M, Cimmino A, Di Leva G, Shimizu M, Wojcik SE, Iorio MV, Visone R, Sever NI, Fabbri M, Iuliano R, Palumbo

T, Pichiorri F, Roldo C, Garzon R, Sevignani C, Rassenti L, Alder H, Volinia S, Liu CG, Kipps TJ, Negrini M, Croce CM: A MicroRNA signature associated with prognosis and progression in chronic lymphocytic leukemia. N Engl J Med 2005, 353:1793–1801.PubMedCrossRef 41. Mitchell PS, Parkin RK, Kroh EM, Fritz BR, Wyman SK, Pogosova-Agadjanyan EL,

Peterson A, Noteboom J, O’Briant KC, Allen A, Lin DW, Urban N, Drescher CW, Knudsen BS, Stirewalt DL, Gentleman R, Vessella RL, Nelson PS, Martin GW2580 mw DB, Tewari M: Circulating microRNAs as stable blood-based markers for cancer detection. Proc Natl Acad Sci USA 2008, 105:10513–10518.PubMedCrossRef 42. Chen X, Ba Y, Ma L, Cai X, Yin Y, Wang K, Guo J, Zhang Y, Chen J, Guo X, Li Q, Li X, Wang W, Wang J, Jiang X, Xiang Y, Xu C, Zheng P, Zhang J, Li R, Zhang H, Shang X, Gong T, Ning G, Zen K, Zhang CY: Characterization of microRNAs in serum: a novel class of biomarkers for diagnosis of cancer and other diseases. Cell Res 2008, 18:997–1006.PubMedCrossRef 43. Watkins Miconazole DN, Berman DM, Burkholder SG, Wang B, Beachy PA, Baylin SB: Hedgehog signalling within airway epithelial progenitors MGCD0103 cost and in small-cell lung cancer. Nature 2003,

422:313–317.PubMedCrossRef 44. Giangreco A, Groot KR, Janes SM: Lung cancer and lung stem cells: strange bedfellows? Am J Respir Crit Care Med 2007, 175:547–553.PubMedCrossRef 45. Kitamura H, Yazawa T, Sato H, Okudela K, Shimoyamada H: Small cell lung cancer: significance of RB alterations and TTF-1 expression in its carcinogenesis, phenotype, and biology. Endocr Pathol 2009, 20:101–107.PubMedCrossRef 46. Graziano SL, Tatum AH, Newman NB, Oler A, Kohman LJ, Veit LJ, Gamble GP, Coleman MJ, Barmada S, O’Lear S: The prognostic significance of neuroendocrine markers and carcinoembryonic antigen in patients with resected stage I and II non-small cell lung cancer. Cancer Res 1994, 54:2908–2913.PubMed 47. Linnoila RI, Piantadosi S, Ruckdeschel JC: Impact of neuroendocrine differentiation in non-small cell lung cancer. The LCSG experience. Chest 1994, 106:367S-371S.PubMedCrossRef 48. Risse-Hackl G, P005091 research buy Adamkiewicz J, Wimmel A, Schuermann M: Transition from SCLC to NSCLC phenotype is accompanied by an increased TRE-binding activity and recruitment of specific AP-1 proteins. Oncogene 1998, 16:3057–3068.PubMedCrossRef 49. Croce CM: Causes and consequences of microRNA dysregulation in cancer. Nat Rev Genet 2009, 10:704–714.PubMedCrossRef 50.