Modulation of a neuronal calmodulin mRNA species in the rat brain stem by reserpine.

Abstract:

:Reserpine evokes transsynaptic impulse activity by depleting catecholaminergic neurotransmitters in the rat brain. Previous studies suggest a relationship between catecholaminergic activity and calmodulin concentration. In this report we employ Northern blot analysis to examine the effect of a single subcutaneous injection of reserpine on levels of calmodulin mRNA species which are preferentially expressed in neurons of the rat brain. Regional differences in mRNA levels were also investigated by in situ hybridization and drug-induced changes were noted particularly in specific regions of the rat brain stem. The riboprobe used in the in situ hybridization study recognized a 4.0 kilobase neuronal calmodulin mRNA species (NGB1), which was derived from the rat CaM1 gene. A calmodulin radio-immunoassay was utilized to demonstrate a drug-induced increased in calmodulin protein levels in a region which included the brain stem.

journal_name

Neurochem Res

journal_title

Neurochemical research

authors

Ni B,Brown IR

doi

10.1007/BF01474683

subject

Has Abstract

pub_date

1993-02-01 00:00:00

pages

185-92

issue

2

eissn

0364-3190

issn

1573-6903

journal_volume

18

pub_type

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