• Gene deletion; HGNC; HGNC:1787; CDKN2A; Zygosity=Homozygous (from parent cell line).
  
• Mutation; HGNC; HGNC:74; ABCG2; Simple; p.Arg482Thr (c.1445G>C); Zygosity=Unspecified (PubMed=11559526).
  
• Mutation; HGNC; HGNC:4172; GATA3; Simple; p.Asp336Glyfs*17 (c.1006dupG); Zygosity=Heterozygous (from parent cell line).
  
• Mutation; HGNC; HGNC:8975; PIK3CA; Simple; p.Glu545Lys (c.1633G>A); ClinVar=VCV000013655; Zygosity=Heterozygous (from parent cell line).
  

PubMed=9178101; DOI=10.1002/(SICI)1097-4644(19970615)65:4<513::AID-JCB7>3.0.CO;2-R
Jong Seok Lee, Stefania Scala, Yoshihito Matsumoto, Bruce Dickstein, Robert W. Robey, Zhi-Rong Zhan, Guillermo Altenberg, Susan E. Bates;
Reduced drug accumulation and multidrug resistance in human breast cancer cells without associated P-glycoprotein or MRP overexpression.
J. Cell. Biochem. 65:513-526(1997)

PubMed=9892175
Keisuke Miyake, Lyn A. Mickley, Thomas Litman, Zhi-Rong Zhan, Robert W. Robey, Barbara Cristensen, Maria Fiorella Brangi, Lee M. Greenberger, Michael Dean, Antonio Fojo, Susan E. Bates;
Molecular cloning of cDNAs which are highly overexpressed in mitoxantrone-resistant cells: demonstration of homology to ABC transport genes.
Cancer Res. 59:8-13(1999)

PubMed=11406094; DOI=10.1016/S0005-2736(01)00308-X
Robert W. Robey, Yasumasa Honjo, Anne van de Laar, Keisuke Miyake, Joanna T. Regis, Thomas Litman, Susan E. Bates;
A functional assay for detection of the mitoxantrone resistance protein, MXR (ABCG2).
Biochim. Biophys. Acta 1512:171-182(2001)

PubMed=11559526
Yasumasa Honjo, Christine A. Hrycyna, Qing-Wu Yan, Wilma Y. Medina-Perez, Robert W. Robey, Anne van de Laar, Thomas Litman, Michael Dean, Susan E. Bates;
Acquired mutations in the MXR/BCRP/ABCP gene alter substrate specificity in MXR/BCRP/ABCP-overexpressing cells.
Cancer Res. 61:6635-6639(2001)

PubMed=12116365; DOI=10.1002/cyto.10111
Hans Minderman, Attaya Suvannasankha, Kieran L. O'Loughlin, George L. Scheffer, Riekeld J. Scheper, Robert W. Robey, Maria R. Baer;
Flow cytometric analysis of breast cancer resistance protein expression and function.
Cytometry 48:59-65(2002)

PubMed=15901850; DOI=10.1124/mol.105.011015
Yang Liu, Hui Peng, Jian-Ting Zhang;
Expression profiling of ABC transporters in a drug-resistant breast cancer cell line using AmpArray.
Mol. Pharmacol. 68:430-438(2005)