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Dive into the research topics where Tetsuro Kuga is active.

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Featured researches published by Tetsuro Kuga.


Toxicology and Applied Pharmacology | 1976

Enzyme induction by repeated administration of tetrachlorvinphos in rats

Kayoko Moroi; Shizuko Ushiyama; Tetsuo Satoh; Tetsuro Kuga

The capability of enzyme induction in male rats was studied following the administration of tetrachlorvinphos (TCVP). A single oral dose of either 250 or 1000 mg/kg caused a more marked inhibition of true (erythrocyte) ChE than of pseudo (serum) and brain ChE activities. Dose-related increases in the activities of two hepatic microsomal enzyme activities, aminopyrine demethylase and EPN (o-ethyl O-p-nitro-phenyl phenylphosphonothioate) detoxification enzyme, were observed after 10 days of successive administration of TCVP at doses of 60 and 250 mg/kg, po. The liver to body weight ratio of rats increased on the first 7 days and then decreased on Day 10. The repeated administration of TCVP induced the enzymes responsible for the metabolism of TCVP up to 7-fold in microsomes and 1.2-fold in the supernatant fraction. The results demonstrate that the repeated application of TCVP as an insecticide may decrease its toxicity by its capacity to induce metabolizing enzymes.


Japanese Journal of Pharmacology | 1989

Central Effects of the Neurotropic Mycotoxin Fumitremorgin A in the Rabbit (II) Effects on the Brain Stem

Mariko Nishiyama; Tetsuro Kuga


Japanese Journal of Pharmacology | 1986

Pharmacological Effects of the Tremorgenic Mycotoxin Fumitremorgin A

Mariko Nishiyama; Tetsuro Kuga


Japanese Journal of Physiology | 1980

Effects of Field Stimulation on Cholinergic Fibers of the Pelvic Region in the Isolated Guinea Pig Ureter

Soichi Yoshida; Tetsuro Kuga


Japanese Journal of Pharmacology | 1987

Estimation of Harmine and Its Derivatives by HPLC: Correlation of Brain Harmine Levels with Jumping Behavior in Rats

Kayoko Moroi; Tetsuro Kuga


Japanese Journal of Pharmacology | 1986

Probable Pre- and Postsynaptic Modifications by 5-Hydroxytryptamine of Contractile Responses to Electrical Stimulation of Isolated Guinea-Pig Vas Deferens

Soichi Yoshida; Tetsuro Kuga


Japanese Journal of Pharmacology | 1981

ROLE OF BRAIN MONOAMINE SYSTEMS IN THE JUMPING BEHAVIOR INDUCED IN RATS BY THE COMBINATION OF HARMINE AND APOMORPHINE

Katsuo Takashi; Tetsuro Kuga


Japanese Journal of Pharmacology | 1991

Bovine brain coated vesicles contain guanine nucleotide regulatory proteins.

Kayoko Moroi; Tetsuro Kuga; Ken Kadota


Japanese Journal of Pharmacology | 1977

STUDIES ON THE ACTION POTENTIAL ORIGINATED FROM NERVE ELEMENTS IN GUINEA PIG URETER

Soichi Yoshida; Tetsuro Kuga


Japanese Journal of Pharmacology | 1988

Involvement of GABAergic Systems and Benzodiazepine Receptors in the Jumping Behavior Induced by Harmine and Apomorphine in Rats

Kayoko Moroi; Katsuo Takashi; Tetsuro Kuga

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