Abstract
The blood-prostate barrier could be the major factor that preventing delivery of drugs to prostate tissue and leads to the failure of treatment. Studies indicate that ultrasonic sonoporation can break the blood-prostate barrier and increase the concentration of drugs, but the mechanism is still unclear. Tight junctions exist widely in the endothelial and epithelial cells of mammalians, and form the biological barrier, along with other factors. Through studies on the mechanism of ultrasound microbubbles opening the blood-brain barrier, researchers found that the main mechanism is to change the expression level of TJs proteins. Since there might be some similarities between the blood-brain barrier and the blood-prostate barrier, changing the expression level of TJs proteins may also be the main mechanism by which ultrasound microbubbles opens the blood-prostate barrier, which is worth further study.
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