The chemoresistance Cancerous cells can develop defense mechanisms to chemotherapy and become resistant to the medication used. These phenomena are beginning to be well known. They are due to the production by cancer cells specific protein whose role would be to accelerate the release of drugs from the cell or prevent their action. When tumor cells are not destroyed by the chemical usually used, the doctor changed medicine.
Conclusion:
The outlook for chemotherapy chemotherapy is a major weapon in the arsenal of treatment against cancer. Huge progress has been made. In association with surgery or radiotherapy, it increases the likelihood of recovery. However, we must recognize that chemotherapy is a failure to solid tumors the most common in Western societies: breast cancer, lung, prostate tumors digestive and urinary… But encouraging prospects are opening up before us because: _the conventional chemotherapy is constantly improving. _l'accroissement doses of chemotherapy can increase its effectiveness on certain tumors. _les researchers have a better understanding of the mechanisms of chemoresistance which will consider new strategies. _the search for new medicines is being actively pursued.
