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Identification of a novel gene, HCR2, in aorta of hypercoagulable rats using suppression subtractive hybridization
Yu-Hua Zhao1, Huai Bai, Bing-Wen Liu
1Department of Biochemistry and Molecular Biology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu 610041, Sichuan, PR China.
Insights
Researchers identified a novel gene, hypercoagulability related gene-2 (HCR2), highly expressed in rat aorta tissue. This discovery aids in understanding hypercoagulable states and their link to atherosclerosis, coronary heart disease, and stroke.
Area of Science:
- Cardiovascular Biology
- Molecular Genetics
- Vascular Disease Research
Background:
- Hypercoagulable state (HCS) is a significant factor in atherosclerosis development.
- Atherosclerosis underlies critical vascular diseases like coronary heart disease and stroke.
- Understanding HCS mechanisms is crucial for preventing these conditions.
Purpose of the Study:
- To identify novel genes implicated in the development of hypercoagulable states.
- To investigate the role of newly discovered genes in vascular disease pathogenesis.
- To enhance understanding of the molecular mechanisms driving HCS.
Main Methods:
- Induction of HCS in a rat model using a high-carbohydrate diet.
- Comparative analysis of aorta tissues using subtractive hybridization.
- Bioinformatic analysis of novel cDNA sequences, including predicted protein properties.
Main Results:
- A novel cDNA, designated hypercoagulability related gene-2 (HCR2), was identified.
- HCR2 exhibited high expression in the aorta tissue of hypercoagulable rats.
- Sequence analysis revealed HCR2 encodes a 78-amino acid protein (MW 8841.7, pI 8.59).
Conclusions:
- The novel gene HCR2 is potentially involved in the pathogenesis of hypercoagulable states.
- Identification of HCR2 offers new insights into the molecular basis of HCS.
- This finding may contribute to understanding and managing clinical disorders associated with HCS.
Abstract:
Screening and identification of novel genes involved in hypercoagulable state (HCS) is important in understanding the underlying mechanisms of development of atheroslerosis, which implicated in critical vascular diseases such as coronary heart disease and stroke. HCS was induced in rats with high carbohydrate diet. Subtractive hybridization experiments between aorta tissues from hypercoagulable rats and controls showed that a novel cDNA (GenBank Accession No. AY234417), designated as hypercoagulability related gene-2 (HCR2), was highly expressed in aorta tissue. The predicted protein encoded by HCR2 contains 78 amino acids, which has a theoretical isoelectric point (pI) of 8.59 and molecular weight (MW) of 8841.7 based on sequence analysis. Our data suggest that HCR2 may be involved in HCS and identification of the gene may contribute to our understanding of the mechanisms for the production of a hypercoagulable state of several critical clinical disorders.
