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Polymorphism in the human E-selectin gene detected by PCR-SSCP
1Medizinische Klinik, Universitätsklinikum Charité, Humboldt-Universität, Berlin, Germany.
Human Genetics
|October 1, 1994
Summary
Researchers identified a genetic variation in the E-selectin gene using single-strand conformation polymorphism (SSCP) and polymerase chain reaction (PCR). This adenine to cytosine substitution may impact cardiovascular disease association studies.
Area of Science:
- Genetics
- Molecular Biology
- Biochemistry
Background:
- E-selectin plays a crucial role in cell adhesion, particularly in inflammatory and cardiovascular processes.
- Genetic variations in adhesion molecules can influence disease susceptibility.
- Understanding E-selectin gene polymorphisms is important for studying endothelial function.
Purpose of the Study:
- To identify genetic polymorphisms within the E-selectin gene.
- To investigate the functional implications of identified genetic variations on protein function.
- To assess the potential of these polymorphisms in association studies for diseases like cardiovascular conditions.
Main Methods:
- Utilized non-isotopic single-strand conformation polymorphism (SSCP) technique.
- Analyzed polymerase chain reaction (PCR) products of the E-selectin gene.
- Detected specific nucleotide substitutions and their resulting amino acid changes.
Main Results:
- Identified a 561-adenine to cytosine substitution in the E-selectin gene.
- This substitution leads to an amino acid change from serine to arginine at position 128.
- The identified polymorphism is a serine-128-arginine exchange.
Conclusions:
- The identified E-selectin gene polymorphism (Ser128Arg) is detectable via SSCP-PCR.
- This genetic variation may alter E-selectin function in blood cell-endothelium adhesion.
- The Ser128Arg polymorphism warrants further investigation in association studies for cardiovascular diseases and other pathological conditions.