ArticleGene expression2007
Cloning, expression, and functional analysis of rat liver cytosolic inorganic pyrophosphatase gene and characterization of its functional promoter.
Article in Gene expression, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 3 citations in OpenAlex.
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4 authors at 1 institution in 1 country.
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Abstract
Inorganic pyrophosphate (PPi) is formed in several metabolic processes and its hydrolysis by the ubiquitously expressed enzyme inorganic pyrophosphatase (iPPase) is essential for the reactions to proceed in the direction of biosynthesis. Recently, we have reported differential expression and activity of cytosolic iPPase in rat liver with aging. In this article we report the cloning of the coding region of rat liver cytosolic iPPase gene in a bacterial expression vector, its expression, purification, and functional analysis by in-gel enzyme assay. SDS-PAGE and Western blot analysis of this expressed protein revealed that its molecular weight (MW) is approximately 33 kDa, while in-gel assay showed that it is functionally active just as the liver cytosolic iPPase. We have determined the genomic organization of this gene by genome blast approach. We have also cloned and characterized its proximal approximate 1 kb functional promoter (-1009 to +82) by transient transfection and luciferase assay of different 5'-deleted iPPase promoter-luciferase constructs and also established its transcription start site by primer extension analysis, along with protein-DNA interaction studies for a few putative transcription factor binding sites.
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