• Gene deletion; HGNC; HGNC:1787; CDKN2A; Zygosity=Homozygous (from parent cell line).
  
• 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=1676902; DOI=10.1038/bjc.1991.202; PMCID=PMC1972545
Charles W. Taylor, William S. Dalton, Pamela R. Parrish, Mary C. Gleason-Guzman, William T. Bellamy, Floyd H. Thompson, Denis J. Roe, Jeffrey M. Trent;
Different mechanisms of decreased drug accumulation in doxorubicin and mitoxantrone resistant variants of the MCF7 human breast cancer cell line.
Br. J. Cancer 63:923-929(1991)

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Breast cancer resistance protein is localized at the plasma membrane in mitoxantrone- and topotecan-resistant cell lines.
Cancer Res. 60:2589-2593(2000)

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Marc Maliepaard, George L. Scheffer, Ian F. Faneyte, Margot A. van Gastelen, Adriana C.L.M. Pijnenborg, Alfred H. Schinkel, Marc Joan van de Vijver, Riekeld J. Scheper, Jan H.M. Schellens;
Subcellular localization and distribution of the breast cancer resistance protein transporter in normal human tissues.
Cancer Res. 61:3458-3464(2001)