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Alteration of brain catecholamines during growth of benzo (a) pyrene induced murine fibrosarcoma

Dasgupta, P.S.; Lahiri, T.

Neoplasma 39(3): 163-165

1992

ISSN/ISBN: 0028-2685
PMID: 1528321
Document Number: 393266
Brain catecholamines (CA) were studied in discrete brain areas of benzo(a)pyrene (b(a)p) induced fibrosarcoma bearing mice. Dopamine (DA) and norepinephrine (NE) levels decreased significantly in different brain areas especially in corpus striatum and hypothalamus with the tumor progression, indicating an inverse relationship between brain DA and NE levels and tumor growth. Since impaired hormonal and immunological functions are manifestation of systemic alteration during tumor growth, it appears that during malignant growth an alteration of these brain CA may play an important role in the regulation of systemic alterations.

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