Antidepressant may enhance drug delivery to the brain
Usually, P-glycoprotein prevents most medicines from coming into the mind by pumping them again into the blood stream (left). The addition of amitriptyline quickly turns off P-glycoprotein pumps, permitting drug molecules to cross the blood-brain barrier (proper). Credit score: NIEHS NIH rat research suggests amitriptyline quickly inhibits the blood-brain barrier, permitting medication to enter the mind. New analysis from the Nationwide Institutes of Well being discovered that pairing the antidepressant amitriptyline with medication designed to deal with central nervous system ailments, enhances drug supply to the mind by inhibiting the blood-brain barrier in rats. The blood-brain barrier serves as a pure, protecting boundary, stopping most medication from coming into the mind. The analysis, carried out in rats, appeared on-line April 27 within the Journal of Cerebral Blood Circulate and Metabolism . Though rese...