JAR/MTX cell line was established with stable MTX-resistance (resistance index to MTX was 7.3) and cross-resistant to TAX and VCR.

• 历时 1年建成 JAR/ MTX细胞株 ；耐药性稳定 ；耐药指数 7.；3；对紫杉醇、长春新碱有交叉耐药。