Effect of different types of muscle activity on the gene and protein expression of ALDH family members in C57BL/6J mouse skeletal muscle

Author:

Jee Eunbin1ORCID,Tamura Yuki123,Kouzaki Karina245,Kotani Takaya2,Nakazato Koichi1245

Affiliation:

1. Graduate School of Health and Sport Science, Nippon Sport Science University, Tokyo, Japan

2. Research Institute for Sport Science, Nippon Sport Science University, Tokyo, Japan

3. Faculty of Sport Science, Nippon Sport Science University, Tokyo, Japan

4. Graduate School of Medical and Health Science, Nippon Sport Science University, Tokyo, Japan

5. Faculty of Medical Science, Nippon Sport Science University, Tokyo, Japan

Abstract

Aldehyde dehydrogenase (ALDH) is an enzyme that detoxifies aldehydes and is primarily involved in alcohol metabolism. Recently, we have shown that ALDH also plays an important role in skeletal muscle homeostasis. To better understand the role of ALDH in skeletal muscle, it is necessary to clarify the adaptability of ALDH. In this study, we examined the effects of endurance training, compensatory hypertrophy by synergist ablation (SA), and denervation-induced atrophy on gene expression and protein levels of selected ALDH isoforms in skeletal muscle. Ten-week-old C57BL/6J mice were subjected to each intervention, and the plantaris muscle was collected. Gene expression levels of Aldh1a1 were decreased by SA and denervation, but ALDH1A1 protein levels were not affected. Protein levels of ALDH1B1 increased after chronic endurance training, SA, and denervation interventions. However, the increase in Aldh1b1 gene expression was observed only after SA. The gene expression of Aldh2 was decreased after SA, but ALDH2 protein levels remained unchanged. Denervation increased both the Aldh2 gene and ALDH2 protein levels. Taken together, each isoform of ALDH undergoes unique quantitative adaptations in skeletal muscle under different conditions.

Publisher

Canadian Science Publishing

Subject

Physiology (medical),Nutrition and Dietetics,Physiology,General Medicine,Endocrinology, Diabetes and Metabolism

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