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Potential limitations of the Sleeping Beauty transposon use in gene expression studies.

08:00 EDT 12th July 2019 | BioPortfolio

Summary of "Potential limitations of the Sleeping Beauty transposon use in gene expression studies."

MCPIP2 is the least known member of the MCPIP family of proteins. Recently we have found that it is a new RNase involved in transcript turnover. However, the full spectrum of its cellular targets is still unidentified. To discover transcripts which are regulated by this protein we have employed Sleeping Beauty transposons. This tool allows for rapid generation of a stable transgenic cell line with inducible expression of the desired gene. In this study, we analysed how the Sleeping Beauty system itself influences expression of chosen genes, namely IL-6, Regnase-1 and VEGF. We found that the system alone may influence expression of IL-6. Our results indicate that Sleeping Beauty transposons should be used with caution in studies that are focused on changes in the transcript level.

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This article was published in the following journal.

Name: Acta biochimica Polonica
ISSN: 1734-154X
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Medical and Biotech [MESH] Definitions

Recombinases that involved in the propagation of DNA TRANSPOSONS. They bind to transposon sequences found at two different sites along the same stretch of DNA and bring them into close proximity. The enzymes then catalyze the double strand cleavage, exchange of double strands and rejoining of DNA helices so that the DNA transposon is formed into a circular PLASMID.

The expression of a gene in an abnormal place, or at an abnormal time in an organism. Ectopic Gene Expression is often induced artificially by genetic techniques.

A form of gene interaction whereby the expression of one gene interferes with or masks the expression of a different gene or genes. Genes whose expression interferes with or masks the effects of other genes are said to be epistatic to the effected genes. Genes whose expression is affected (blocked or masked) are hypostatic to the interfering genes.

Techniques used to add in exogenous gene sequence such as mutated genes; REPORTER GENES, to study mechanisms of gene expression; or regulatory control sequences, to study effects of temporal changes to GENE EXPRESSION.

The number of copies of a given gene present in the cell of an organism. An increase in gene dosage (by GENE DUPLICATION for example) can result in higher levels of gene product formation. GENE DOSAGE COMPENSATION mechanisms result in adjustments to the level GENE EXPRESSION when there are changes or differences in gene dosage.

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