Blagosklonny MV: Cancer stem cell and cancer stemloids: from biology to therapy. Cancer Biol Ther 2007, 6:1684–1690.PubMedCrossRef 120. Ishii H, Iwatsuki M, Ieta

K, Ohta D, Haraguchi N, Mimori K, Mori M: Cancer stem cells and chemoradiation resistance. Cancer Sci 2008, 99:1871–1877.PubMedCrossRef 121. Hanahan D, Weinberg RA: Hallmarks of cancer: the next generation. Cell 2011, 144:646–674.PubMedCrossRef 122. Gimenez-Bonafe P, Tortosa A, Perez-Tomas R: Overcoming drug resistance by enhancing apoptosis of tumor cells. Curr Cancer Drug Targets 2009, 9:320–340.PubMedCrossRef 123. Dean M: ABC transporters, PLX-4720 mw drug resistance, and cancer stem cells. J Mammary Gland Biol Neoplasia 2009, 14:3–9.PubMedCrossRef 124. Szaka’cs G, Paterson JK, Ludwig JA, Booth-Genthe C, Gottesman MM: Targeting multidrug resistance in cancer. Nat Rev Drug Discov 2006, 5:219–234.CrossRef 125. Donnenberg VS, Meyer EM, Donnenberg AD: Measurement

of multiple drug resistance transporter activity in putative cancer stem/progenitor cells. Methods Mol Biol 2009, 568:261–279.PubMedCrossRef 126. Guo Y, Kock K, Ritter CA, Chen ZS, Grube M, Jedlitschky G, Illmer T, Ayres M, Beck JF, Siegmund W, Ehninger G, Gandhi V, Kroemer HK, Kruh GD, Schaich M: Expression of ABCC-type nucleotide exporters in blasts of adult acute myeloid leukemia: relation to long-term survival. Clin Cancer Res 2009, 15:1762–1769.PubMedCrossRef 127. Martin V, Xu J, Pabbisetty SK, Alonso MM, Liu D, Lee OH, Gumin J, Bhat KP, Colman H, Lang FF, Fueyo J, Gomez-Manzano C: Tie2-mediated multidrug resistance in malignant gliomas is associated with upregulation GDC-0973 concentration of ABC transporters. Methocarbamol Oncogene 2009, 28:2358–2363.PubMedCrossRef 128. van Herwaarden AE, Wagenaar E, Karnekamp

B, Merino G, Jonker JW, Schinkel AH: Breast cancer resistance protein (Bcrp1/Abcg2) reduces systemic exposure of the dietary carcinogens aflatoxin B1, IQ and Trp-P-1 but also mediates their secretion into breast milk. Carcinogenesis 2006, 27:123–130.PubMedCrossRef 129. Zhou S, Schuetz JD, Bunting KD, Colapietro AM, Sampath J, Morris JJ, Lagutina I, Grosveld GC, Osawa M, Nakauchi H, Sorrentino BP: The ABC transporter Bcrp1/ABCG2 is expressed in a wide variety of stem cells and is a molecular determinant of the side-population phenotype. Nat Med 2001, 7:1028–1034.PubMedCrossRef 130. Alvi AJ, Clayton H, Joshi C, Enver T, Ashworth A, Vivanco M, Dale TC, Smalley MJ: Functional and molecular characterisation of mammary side population cells. Breast Cancer Res 2003, 5:R1-R8.PubMedCrossRef 131. Cervello I, Gil-Sanchis C, Mas A, Delgado-Rosas F, Martínez-Conejero JA, Galán A, Martínez-Romero A, Martínez S, Navarro I, Ferro J, Horcajadas JA, Esteban FJ, O’Connor JE, Pellicer A, Simón C: Human endometrial side population cells exhibit NVP-BSK805 cell line genotypic, phenotypic and functional features of somatic stem cells. PLoS One 2010, 5:e10964.PubMedCrossRef 132.