Related Experiment Video
Updated: Aug 19, 2026

Isolation and Quantification of Axonal mRNAs Using Porous Membrane Inserts and RTddPCR
Published on: February 6, 2026
Messenger RNA fingerprinting analysis using arbitrarily primed PCR (RAP) of genes expressed during rat C6 glioma cell
H Sakai1, S Nakashima, K Nakatani
1Department of Neurosurgery, Gifu University School of Medicine, Tsukasamachi-40, Gifu 500, Japan. nohgeka@cc.gifu-u.ac.jp
Abstract:
To identify differentially expressed genes involved in rat C6 glioma cell differentiation induced by cyclic AMP, we adopted mRNA fingerprinting using arbitrarily primed polymerase chain reaction (PCR) (RAP). Four complementary DNA (cDNA) fragments differentially expressed during differentiation were isolated, and they appeared to contain coding regions of corresponding mRNAs. RAP can be used to efficiently identify cDNA fragments by comparing nucleotide and deduced amino acid sequences with those in databases, and is thus a useful method to search for and identify important genes involved in complex cellular processes such as glioma cell differentiation.
Insights
Researchers identified key genes in rat C6 glioma cell differentiation using cyclic AMP. mRNA fingerprinting with arbitrarily primed PCR (RAP) efficiently isolated four complementary DNA fragments, aiding in understanding glioma cell development.
Area of Science:
- Molecular Biology
- Neuroscience
- Genetics
Background:
- Rat C6 glioma cells are a model for studying brain tumors.
- Cyclic AMP (cAMP) is known to induce differentiation in various cell types, including glioma cells.
- Understanding the molecular mechanisms of glioma cell differentiation is crucial for developing targeted therapies.
Purpose of the Study:
- To identify genes that are differentially expressed during cyclic AMP-induced differentiation of rat C6 glioma cells.
- To evaluate the utility of mRNA fingerprinting by arbitrarily primed PCR (RAP) for gene discovery in cellular differentiation processes.
Main Methods:
- Rat C6 glioma cells were treated with cyclic AMP to induce differentiation.
- mRNA fingerprinting was performed using arbitrarily primed polymerase chain reaction (RAP).
- Differentially expressed complementary DNA (cDNA) fragments were isolated and analyzed.
Main Results:
- Four complementary DNA (cDNA) fragments showing differential expression during differentiation were successfully isolated.
- These fragments appear to represent coding regions of corresponding messenger RNAs (mRNAs).
- RAP facilitated the efficient identification of these differentially expressed cDNA fragments.
Conclusions:
- Arbitrarily primed PCR (RAP) is an effective method for identifying differentially expressed genes.
- This technique is valuable for discovering genes involved in complex cellular processes like glioma cell differentiation.
- The identified cDNA fragments provide insights into the molecular pathways regulating C6 glioma cell differentiation.

