table of breast cancer cell lines from Wikipedia for your reference

[Lani]

Cell line Primary tumor Origin of cells ER PR her2 mut TP53 ***
600MPE Invasive ductal carcinoma + - - [113]
AU565 Adenocarcinoma - - + - [113]
BT-20 Invasive ductal carcinoma Primary No No No Yes Yes [114]
BT-474 Invasive ductal ca Primary Yes Yes Yes Yes Yes [115]
BT-483 Invasive ductal ca + + - [113]
BT-549 Invasive ductal ca - - + [113]
Evsa-T Invasive ductal carcinoma, mucin-producing, signet-ring type Metastasis (ascites) No Yes ? Yes ? [116]
Hs578T Carcinonoma Primary No No No Yes No [117]
MCF-7 IDC Metastasis (pleural effusion) Yes Yes No No (wild-type) Yes (with estrogen supplementation) [118]
MDA-MB-231 IDC Metastasis (pleural effusion) No No No Yes Yes [119]
SK-BR-3 IDC Metastasis (pleural effusion) No No Yes Yes No [120]
T-47D IDC Metastasis (pleural effusion) Yes Yes No Yes Yes (with estrogen supplementation) [121]


***is tumorigenic in mice

[Jackie07]

http://en.wikipedia.org/wiki/Breast_cancer#Cell_lines_for_research

[tricia keegan]

Thank you Lani and Jackie, I found this very helpful!

[Rich66]

I hope the currently identified cell lines are actually from breast cancer:
http://dtp.nci.nih.gov/docs/misc/common_files/mda-mb-435-update.html