THE EFFECTS OF LIFELONG TREATMENT WITH MAO INHIBITORS ON AMINO-ACID LEVELS IN RAT-BRAIN

被引：18

作者：

BENEDETTI, MS ^{[1
]}

KETTLER, R ^{[1
]}

MARRARI, P ^{[1
]}

CINI, M ^{[1
]}

DAPRADA, M ^{[1
]}

DOSTERT, P ^{[1
]}

机构：

[1] F HOFFMANN LA ROCHE & CO LTD, PHARMACEUT RES DEPT, CH-4002 BASEL, SWITZERLAND

来源：

JOURNAL OF NEURAL TRANSMISSION-PARKINSONS DISEASE AND DEMENTIA SECTION | 1990年 / 2卷 / 04期

关键词：

MAO INHIBITORS; MOCLOBEMIDE; RO-19-6327; AMINO ACIDS; AGING;

D O I：

10.1007/BF02252919

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

In a previous paper a possible relationship had been suggested to exist between age-induced changes in total MAO activity and amino acid levels in some rat brain areas. To further investigate the possible involvement of MAO activity in changes of brain amino acid levels with aging, moclobemide and Ro 19-6327, short acting MAO-A and MAO-B inhibitors, respectively, were administered to female Wistar rats for their whole life-span. Brain amino acid levels in animals treated with MAO inhibitors were compared to those of young and old nontreated rats. The age-induced changes in brain amino acid concentrations found in the present study were in good agreement with those previously reported. Treatment with both moclobemide and Ro 19-6327 was found to restore taurine and serine concentrations in cortex and glutamine concentrations in cerebellum, to the same values as in young rats, to decrease cerebellum concentrations of serine and to increase taurine concentrations in hypothalamus. Administration of moclobemide brought aspartate concentrations in accumbens and cortex back to the same values as in young rats. A similar effect was observed on hypothalamus glutamate concentrations in rats treated with Ro 19-6327. Some possible causes and consequences of the correction of age-induced brain amino acid levels by chronic administration of MAO inhibitors are discussed.

引用

页码：239 / 248

页数：10

共 29 条

[1] STEREOCHEMICAL ASPECTS OF MAO INTERACTIONS - REVERSIBLE AND SELECTIVE INHIBITORS OF MONOAMINE-OXIDASE [J].

BENEDETTI, MS ;

DOSTERT, P .

TRENDS IN PHARMACOLOGICAL SCIENCES, 1985, 6 (06) :246-251

[2] MONOAMINE-OXIDASE, BRAIN AGING AND DEGENERATIVE DISEASES [J].

BENEDETTI, MS ;

DOSTERT, P .

BIOCHEMICAL PHARMACOLOGY, 1989, 38 (04) :555-561

[3]

BENEDETTI MS, 1987, J NEURAL TRANSM, P103

[4]

BENEDETTI MS, 1990, J NEUR TR S, V29, P259

[5]

BENEDETTI MS, 1989, NEW DIRECTIONS AFFEC, P156

[6]

BENEDETTI MS, 1986, S NEUROSCIENCE, V3, P255

[7]

Da Prada M, 1988, Pharmacol Res Commun, V20 Suppl 4, P21, DOI 10.1016/S0031-6989(88)80543-5

[8]

DAPRADA M, 1989, J PHARMACOL EXP THER, V248, P400

[9]

FARIELLO RG, 1985, TAURINE BIOL ACTIONS, P413

[10] SEX-DIFFERENCES IN GAMMA-AMINOBUTYRIC ACID AND GLUTAMATE CONCENTRATIONS IN DISCRETE RAT-BRAIN NUCLEI [J].

FRANKFURT, M ;

FUCHS, E ;

WUTTKE, W .

NEUROSCIENCE LETTERS, 1984, 50 (1-3) :245-250

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