| Model Name | Description |
| 4T1 | A highly aggressive BALB/c mammary carcinoma model with rapid growth and spontaneous metastasis. |
| 4T07 | A 4T1-derived BALB/c tumour line with strong primary growth but low metastatic potential. |
| 67NR | A non-metastatic sibling of the 4T1 series that forms localized tumours in BALB/c mice. |
| 66cl4 | A moderately metastatic clone from the 4T1 family, supporting studies of tumour progression. |
| EMT6 | A BALB/c mammary carcinoma model with reliable tumour take and broad use in immunotherapy studies. |
| JC | A BALB/c mammary tumour line used for immune-competent breast cancer research with limited metastasis. |
| TS/A | A BALB/c mammary adenocarcinoma model suitable for evaluating breast cancer therapies in an intact immune system. |