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International Journal of Biomedical Engineering ; (6): 458-461,467, 2022.
Article in Chinese | WPRIM | ID: wpr-989289


Prostate cancer is the most common male malignant tumor in the world, and its death toll is second only to lung cancer. Androgen deprivation therapy (ADT) is a major treatment for prostate cancer besides radical surgery. ADT treatment will lead to the inevitable progression of prostate cancer patients to castration-resistant prostate cancer (CRPC). The current research results have confirmed that the transformation from androgen deprivation prostate cancer (ADPC) to CRP is related to the reactivation of the androgen receptor signal pathway. In this review, the research progress on the mechanism of the androgen receptor signaling pathway in CRPC was reviewed in order to provide a scientific basis and new ideas for the diagnosis and treatment of CRP.

Chinese Journal of Medical Aesthetics and Cosmetology ; (6): 118-121, 2009.
Article in Chinese | WPRIM | ID: wpr-381159


Objective To study the inhibitory effect of verapamil and nicardipine on human scar fibroblast in serum-free culture and to compare the effectness of the two drugs.Methods We used MTT method to detect the effect of two drugs on human scar fibroblast proliferation:adding verapamil and nicardipine with different concentrations in the culture of fibroblasts which were in logarithmic growth phase (150,100,50,10,0μmol/L).After 24,72,and 120 h,we used MTT method to detect the cell proliferation,and converted the absorbance into growth inhibitory ratio.Results Verapamil and nicardipine showed the definite inhibition on the hypertrophic scar fibroblast (HSFB) and keloid fibroblast (KDFB) which were cultured in vitro.There was some difference in the action feature.In the earlier period,the effect of verapamil was powerful than that of nicardipine.With time,the effect did not reinforce.When fibroblast had been cultured for three to five days,the inhibition became weak.But nicardipine showed lasting inhibition on fibroblast proliferation.Conclusion Combination of verapamil with nicardipine may be a valuable method in the treatment of scar.