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Myostatin Gene Polymorphism in an Elderly Sarcopenic Turkish Population
Pinar Tosun Tasar1, Sevnaz Sahin1, Emine Karaman2
11 Division of Geriatric Medicine, Department of Internal Medicine, Faculty of Medicine, Ege University , Izmir, Turkey .
Genetic Testing and Molecular Biomarkers
|June 6, 2015
Summary
Genetic variations in Myostatin (MSTN) are linked to sarcopenia. This study found no significant association between MSTN K153R mutations and sarcopenia in elderly Turkish individuals, suggesting MSTN polymorphisms may not be a primary genetic factor for sarcopenia in this population.
Area of Science:
- Genetics
- Gerontology
- Molecular Biology
Background:
- Myostatin (MSTN) is a key negative regulator of muscle growth and a potential genetic factor in sarcopenia.
- Investigating MSTN gene variations is crucial for understanding sarcopenia predisposition.
- Sarcopenia affects a significant portion of the elderly population, leading to muscle loss and weakness.
Purpose of the Study:
- To investigate Myostatin (MSTN) gene polymorphisms in an elderly Turkish population.
- To determine the relationship between MSTN polymorphisms and sarcopenia in this cohort.
- To assess the prevalence of MSTN K153R mutations in relation to sarcopenia.
Main Methods:
- Sarcopenia screening was conducted using the European Working Group on Sarcopenia in Older People guidelines.
- DNA was extracted from blood samples of elderly participants (≥65 years).
- Myostatin (MSTN) polymorphisms were genotyped using polymerase chain reaction and restriction fragment length polymorphism.
Main Results:
- The study included 152 elderly individuals; 41.4% were diagnosed with sarcopenia.
- A low frequency (3.9%) of the MSTN K153R heterozygous mutation was observed.
- No statistically significant difference in MSTN K153R polymorphism frequency was found between sarcopenic and non-sarcopenic groups (p=0.664).
Conclusions:
- The MSTN K153R heterozygous mutation was detected in only 3.9% of the elderly Turkish participants.
- This study found no significant association between the MSTN K153R mutation and sarcopenia in the studied population.
- Further research may be needed to explore other genetic factors contributing to sarcopenia.
