Estrogenic regulation of skeletal muscle proteome : a study of premenopausal women and postmenopausal MZ cotwins discordant for hormonal therapy
Laakkonen, E., Soliymani, R., Karvinen, S., Kaprio, J., Kujala, U., Baumann, M., Sipilä, S., Kovanen, V., & Lalowski, M. (2017). Estrogenic regulation of skeletal muscle proteome : a study of premenopausal women and postmenopausal MZ cotwins discordant for hormonal therapy. Aging Cell, 16(6), 1276-1287. https://doi.org/10.1111/acel.12661
Published inAging Cell
DisciplineGerontologia ja kansanterveysLiikuntafysiologiaLiikuntalääketiedeGerontology and Public HealthExercise PhysiologySports and Exercise Medicine
© 2017 The Authors. Aging Cell published by the Anatomical Society and John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License.
Female middle age is characterized by a decline in skeletal muscle mass and performance, predisposing women to sarcopenia, functional limitations, and metabolic dysfunction as they age. Menopausal loss of ovarian function leading to low circulating level of 17b-estradiol has been suggested as a contributing factor to aging-related muscle deterioration. However, the underlying molecular mechanisms remain largely unknown and thus far androgens have been considered as a major anabolic hormone for skeletal muscle. We utilized muscle samples from 24 pre- and postmenopausal women to establish proteome-wide profiles, associated with the difference in age (30–34 years old vs. 54– 62 years old), menopausal status (premenopausal vs. postmenopausal), and use of hormone replacement therapy (HRT; user vs. nonuser). None of the premenopausal women used hormonal medication while the postmenopausal women were monozygotic (MZ) cotwin pairs of whom the other sister was current HRT user or the other had never used HRT. Label-free proteomic analyses resulted in the quantification of 797 muscle proteins of which 145 proteins were for the first time associated with female aging using proteomics. Furthermore, we identified 17b-estradiol as a potential upstream regulator of the observed differences in muscle energy pathways. These findings pinpoint the underlying molecular mechanisms of the metabolic dysfunction accruing upon menopause, thus having implications for understanding the complex functional interactions between female reproductive hormones and health. ...
PublisherWiley-Blackwell Publishing Ltd
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Except where otherwise noted, this item's license is described as © 2017 The Authors. Aging Cell published by the Anatomical Society and John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License.
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Ronkainen, Paula (University of Jyväskylä, 2010)
Regulation of gene expression and steroidogenesis in skeletal muscle of postmenopausal women : with emphasis on the effects of hormone replacement and power training Pöllänen, Eija (University of Jyväskylä, 2011)
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