The one-locus silver-blue fur color mutation (pp) in minks affects the dopamine system of the brain

N. K. Popova, Ella M Nikulina, N. N. Voitenko, D. F. Avgustinovich, O. V. Trapezov

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The peculiarities of dopamine metabolism and dopamine receptors in the brain of homozygous silver-blue (pp) minks were examined in comparison with wild-type (PP) minks. A pp mutation was found to affect the dopamine turnover in corpus striatum, which is one of the major dopaminergic brain structures. In silver-blue minks, increased dopamine catabolic enzyme activity monoamine oxidase type B (MAO B), together with the decreased level of dopamine and the tendency for the level of the metabolite 3,4-dihydrophenilacetic acid to in. crease, were demonstrated in this brain region. No significant alterations in the level of another dopamine metabolite, homovanillic acid, or in Dl and D2 receptor density were shown. In the midbrain and hippocampus, an elevated level of MAO B activity was detected. We found no modifications in receptor properties, nor in dopamine turnover in a mesolimbic dopamine structure, the nucleus accumbens. We propose that the primary effect of pp mutation is an increase in MAO B activity resulting in dopamine turnover alterations and probably in dopamine-dependent behavior (pleiotropic cascade).

Original languageEnglish (US)
Pages (from-to)452-454
Number of pages3
JournalGenetika
Volume32
Issue number3
StatePublished - 1996
Externally publishedYes

Fingerprint

Mink
Silver
Dopamine
Color
Mutation
Brain
Monoamine Oxidase
Corpus Striatum
Homovanillic Acid
Dopamine Receptors
Nucleus Accumbens
Mesencephalon
Hippocampus
Acids

ASJC Scopus subject areas

  • Genetics

Cite this

Popova, N. K., Nikulina, E. M., Voitenko, N. N., Avgustinovich, D. F., & Trapezov, O. V. (1996). The one-locus silver-blue fur color mutation (pp) in minks affects the dopamine system of the brain. Genetika, 32(3), 452-454.

The one-locus silver-blue fur color mutation (pp) in minks affects the dopamine system of the brain. / Popova, N. K.; Nikulina, Ella M; Voitenko, N. N.; Avgustinovich, D. F.; Trapezov, O. V.

In: Genetika, Vol. 32, No. 3, 1996, p. 452-454.

Research output: Contribution to journalArticle

Popova, NK, Nikulina, EM, Voitenko, NN, Avgustinovich, DF & Trapezov, OV 1996, 'The one-locus silver-blue fur color mutation (pp) in minks affects the dopamine system of the brain', Genetika, vol. 32, no. 3, pp. 452-454.
Popova, N. K. ; Nikulina, Ella M ; Voitenko, N. N. ; Avgustinovich, D. F. ; Trapezov, O. V. / The one-locus silver-blue fur color mutation (pp) in minks affects the dopamine system of the brain. In: Genetika. 1996 ; Vol. 32, No. 3. pp. 452-454.
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