Yoshiaki Moriki

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The influx transport mechanism of pentazocine (PTZ) at the blood-brain barrier (BBB) was investigated in rats using the carotid injection technique. The uptake kinetics of PTZ into the rat brain exhibited saturability, which occurred by both nonsaturable and carrier-mediated transport processes. The in vivo kinetic parameters were estimated as follows: the(More)
The efflux transport of pentazocine (PTZ) from the brain across the blood-brain barrier (BBB) was investigated using the Brain Efflux Index method. PTZ was eliminated with the apparent elimination half-life of 13.0 min after microinjection into the parietal cortex area 2 region of the rat brain. The apparent efflux clearance of PTZ across the BBB was 137(More)
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