Characterization of the Effects of Mutations in the Putative Branchpoint Sequence of Intron 4 on the Splicing within the Human Lecithin:cholesterol Acyltransferase (LCAT) Gene

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  • Min Li
چکیده

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منابع مشابه

An intronic mutation in a lariat branchpoint sequence is a direct cause of an inherited human disorder (fish-eye disease).

The first step in the splicing of an intron from nuclear precursors of mRNA results in the formation of a lariat structure. A distinct intronic nucleotide sequence, known as the branchpoint region, plays a central role in this process. We here describe a point mutation in such a sequence. Three sisters were shown to suffer from fish-eye disease (FED), a disorder which is caused by mutations in ...

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Objective(s): The use of antisense oligonucleotides (AOs) to restore normal splicing by blocking the recognition of aberrant splice sites by the spliceosome represents an innovative means of potentially controlling certain inherited disorders affected by aberrant splicing. Selection of the appropriate target site is essential in the success of an AO therapy. In this study, in search for a splic...

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Association of Lecithin Cholesterol Acyltransferase rs5923 Polymorphism in Iranian Individuals with Extremely Low High-Density Lipoprotein Cholesterol: Tehran Lipid and Glucose Study

Background: The serum concentration of high-density lipoprotein cholesterol (HDL-C) is one of the important heritable risk factors for cardiovascular disease and is a target for therapeutic intervention. In this study, we aimed to evaluate the effects of lecithin cholesterol acyltransferase (LCAT) gene polymorphism rs5923 on LCAT enzyme activity and serum HDL-C concentration. Methods: The study...

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Branchpoint selection in the splicing of U12-dependent introns in vitro.

In metazoans, splicing of introns from pre-mRNAs can occur by two pathways: the major U2-dependent or the minor U12-dependent pathways. Whereas the U2-dependent pathway has been well characterized, much about the U12-dependent pathway remains to be discovered. Most of the information regarding U12-type introns has come from in vitro studies of a very few known introns of this class. To expand o...

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تاریخ انتشار 2000