Prenylated protein methyltransferase of rat cerebellum is developmentally co-expressed with its substrates

A. Paz, G. Ben-Baruch, D. Marciano, Y. Egozi, R. Haklai, Y. Kloog*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

High levels of prenylated protein methyltransferase are expressed in the developing rat cerebellum and are responsible for methylation of endogenous G-proteins and 50-52 kDa synaptosomal proteins. Enzyme activity in cerebellar synaptosomes of 3 week postnatal rats is 2-fold higher than that found in adult rat cerebellum. A 10-fold rise in activity occurs at the end of the second and during the third postnatal weeks, followed by a subsequent decline. Expression of the enzymes' substrates follows the same pattern. The high methyltransferase activity in 3-week-old cerebellum coincides with the period of granule cell migration and synaptogenesis, suggesting a regulatory role for the enzyme and its substrates in cerebellar ontogenesis.

Original languageEnglish
Pages (from-to)215-217
Number of pages3
JournalFEBS Letters
Volume332
Issue number3
DOIs
StatePublished - 18 Oct 1993

Funding

FundersFunder number
SAFHO Foundation
United States-IsraelB inationalS cienceF oundationa

    Keywords

    • Cerebellar
    • G-protein
    • Isoprenylated protein methylation
    • ontogenesis

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