Distribution of zinc metallothionein I mRNA in rat brain using in situ hybridization

Autor: Ronald F. Pfeiffer, J. F. Rodriguez-Sierra, H. S. Blaxall, R. Hao, D. R. Cerutis, Manuchair Ebadi
Rok vydání: 1994
Předmět:
Zdroj: Neurochemical Research. 19:761-767
ISSN: 1573-6903
0364-3190
DOI: 10.1007/bf00967717
Popis: Metallothionein (MT) isoforms I and II were first identified and characterized in our laboratories in several regions of brain, in hippocampal neurons in primary culture, and in retinoblastoma and neuroblastoma cell lines. In this study, by having employed the MT-I cDNA as a probe, we sought to gain additional insight about the function of MT by discerning the regional distribution of its mRNA. Northern blot analyses of brain mRNA revealed that the administration of zinc enhanced dramatically MT-I mRNA (570 bp). The in situ hybridization study revealed that MT-I mRNA was located in several areas of brain, with the highest concentrations found in the cerebellum, hippocampus, and ventricles. The results of these studies are interpreted to suggest that zinc enhances the synthesis of MT mRNA and MT in turn may participate in zinc associated functions in neurons.
Databáze: OpenAIRE