[Development of research for drug-resistance mechanism of taxol].

The resistant problem is the main restriction factor for clinical usage of taxol. The main mechanism of its resistance includes the high expression of P-gp, beta- and alpha-tubulin isotypes, the alteration expression of PKC, Bcl-2, p53, and ErbB2. The reversing method includes the use of analogues of taxol to reduce the expression of P-gp, or the use of antibody, immunotoxin, antisence oligonucleotide, and liposomes. The combination with other drugs can also be a method to reverse the resistance of taxol.