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[Apolipoprotein (a)]

¹Department of Endocrinology and Metabolism, Toranomon Hospital.

Nihon Rinsho. Japanese Journal of Clinical Medicine

|December 1, 1994

Summary

This summary is machine-generated.

Apolipoprotein (a) [Apo (a)] size variation is mainly due to differing kringle 4 repeat numbers in the apo (a) gene. This genetic basis influences plasma lipoprotein (a) [Lp (a)] levels and atherosclerosis risk.

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Area of Science:

Biochemistry
Genetics
Molecular Biology

Context:

Lipoprotein (a) [Lp (a)] is a significant risk factor for atherosclerosis.
Plasma Lp (a) levels are primarily determined by genetic factors related to apolipoprotein (a) [Apo (a)].
Apo (a) shares structural similarities with plasminogen, containing multiple kringle 4 domains.

Purpose:

To investigate the genetic basis of Apo (a) size heterogeneity.
To explore the regulatory mechanisms of the Apo (a) gene.
To establish a suitable animal model for studying Lp (a)-associated atherosclerosis.

Summary:

Apo (a) exhibits size heterogeneity in both protein and mRNA forms.
This heterogeneity is primarily caused by variations in the number of kringle 4-encoding sequences within the Apo (a) gene, as revealed by pulse field gel electrophoresis.

Related Experiment Videos

Cloning of the Apo (a) gene and identification of its promoter region facilitate studies on gene regulation.

Transgenic mice expressing human Apo (a) provide a valuable model for understanding atherosclerosis linked to elevated Lp (a).

Impact:

Understanding the genetic determinants of Apo (a) size variation.
Advancing research into the regulation of Apo (a) gene expression.
Facilitating the study of Lp (a) in the context of atherosclerosis development.
Providing tools for future research on Lp (a) metabolism and cardiovascular disease.