Author: Taniguchi, Akiyoshi

Source: Current Drug Targets, Volume 9, Number 4, April 2008 , pp. 310-316(7)

Publisher: Bentham Science Publishers

Abstract:

Six human β-galactoside α2,3-sialyltransferase genes, which are hST3Gal I-VI, have been cloned. Multiple genes encode enzymes with closely related catalytic specificities but different patterns of tissue expression. The multiple genes correspond to the control of various tissue specific regulators. Several studies have examined the transcriptional regulation of some human β-galactoside α2,3-sialyltransferases genes. Multiple mRNA forms differing only in the 5'- untranslated regions have been identified in hST3Gal II, hST3Gal III, hST3Gal IV, hST3Gal V, and hST3Gal VI. These transcripts are produced by a combination of alternative splicing and promoter utilization, suggesting the transcriptional regulation of this gene depends on the use of alternative promoters, further suggesting that tissue-specific transcriptional regulation of these genes depends on the use of multiple genes and multiple promoters. The multiple regulatory pathways of these ubiquitous sialyltransferases may be differentially modulated in various cell types.

Keywords: Sialyltransferase; promoter; multiple gene; multiple promoter

Document Type: Research article

DOI: http://dx.doi.org/10.2174/138945008783954998

Publication date: 2008-04-01

More about this publication?

• Current Drug Targets aims to cover the latest and most outstanding developments on the medicinal chemistry and pharmacology of molecular drug targets e.g. disease specific proteins, receptors, enzymes, genes. Each issue of the journal will be devoted to a single timely topic, with series of in-depth reviews, written by leaders in the field, covering a range of current topics on drug targets. These issues will be organized and led by a guest editor who is a recognized expert in the overall topic. As the discovery, identification, characterisation and validation of novel human drug targets for drug discovery continues to grow; this journal will be essential reading for all pharmaceutical scientists involved in drug discovery and development.

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