Site-Directed Mutagenesis of a Single-Nucleotide Mutation in Familial Atrial Fibrillation

Author

Hanyi Zhuang

Date of Award

2003

Document Type

Thesis

Degree Name

Bachelors

Department

Natural Sciences

First Advisor

Walstrom, Katherine

Keywords

Atrial Fibrillation, Overlap Extension Mutagenesis, Polymerase Chain Reaction

Area of Concentration

Biology

Abstract

Atrial fibrillation is the most common form of cardiac arrhythmias with a morbidity of 0.3% to 0.4% in the adult population. The majority of the cases of AF are related to cardiovascular abnormalities. Idiopathic atrial fibrillation is defined as the specific kind of atrial fibrillation without organic or structural heart diseases. The hereditary pattern of this familial form of the disease has been characterized as autosomal dominant. Clinical evaluations and genomic analysis of a Chinese kindred with familial idiopathic AF has identified KvLQT1, a gene ericoding a voltage-sated potassium channel in human cardiac myocytes on chromosome 11, as the potential disease gene. This paper describes the site-directed mutagenesis procedures used to produce mutated KvLQTl-containing plasmids for future electrophysiological characterization in Xenopus oocytes. Alterations in the electrophysiological properties of the mutated ion channels can be used to confirm the molecular pathogenesis of atrial fibrillation.

Rights

This bibliographic record is available under the Creative Commons CC0 public domain dedication. The New College of Florida, as creator of this bibliographic record, has waived all rights to it worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law.

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