Identification of transcripts expressed under functional differentiation in primary culture of cerebral cortical neurons

Neurochemical Research
Qiang LiAlbert Cheung-Hoi Yu

Abstract

In this study, we utilized primary cultures of cerebral cortical neurons and RNA arbitrarily primed polymerase chain reaction (RAP-PCR) to identify differentially expressed transcripts in neurons of different culture ages. Eleven cDNA fragments with high sequence similarity to known genes and Expressed Sequence Tags (ESTs) were cloned. From the National Center for Biotechnology Information (NCBI) sequence database, two clones were shown to be identical to known sequences, Mus musculus HP1-BP74 protein mRNA and Mus musculus KRAB-containing zinc finger protein, both were up-regulated. These genes have never before been shown to be involved in neuronal functional maturation. Among the remaining clones, clone 8-14 (239 bp) was very similar to Rattus norvegicus rS-Rex-b mRNA, which was further confirmed by sequencing its shortest isoform (1.5 kb) obtained by computer cloning. This study has identified eleven potential genes and transcripts, which might be involved in the development and differentiation of GABAergic neurons in culture.

Citations

Dec 13, 2005·Neurochemical Research·Albert Cheung-Hoi YuShuang Liu
Nov 24, 2004·Journal of Neuroscience Research·Xiao Qian ChenAlbert Cheung-Hoi Yu
Sep 25, 2014·Journal of Neuroscience Research·Hai Jie LiangAlbert Cheung Hoi Yu
Apr 2, 2003·Trends in Cell Biology·Thomas Oertle, Martin E Schwab

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