Irisin as a muscle-derived hormone stimulating thermogenesis – A critical update
Abstract
The recently described myokine, irisin is cleaved from fibronectin type III domain containing protein 5 (FNDC5) and has been proposed to be secreted upon exercise to promote the browning of beige fat cells in white adipose tissue that results in enhanced thermogenesis and increased energy expenditure. The initial studies suggested irisin as a treatment option for obesity and associated diseases such as type 2 diabetes mellitus and stimulated further research. However, the results of subsequent studies investigating the regulation of irisin by different types of exercise are partly conflicting and effects were only shown in highly selective patient populations so far. Moreover, other parameters like body weight or fat free mass were shown to influence irisin adding more complexity to the mechanisms regulating this hormone. The present review will describe the discovery of irisin, its potential role in adipose tissue-mediated thermogenesis, its regulation by exercise and lastly, discuss current controversies and highlight gaps of knowledge to be filled by future studies.
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From Navigating the potential of algal peptides: health effects, market applications, and scientific challenges (2026) · cites this paper as [144]
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Muscle Irisin Response to Aerobic vs HIIT in Overweight Female Adolescents
Archundia-Herrera, C., Macias-Cervantes, M., Ruiz-Muñoz, B., Vargas-Ortiz, K., Kornhauser, C., & Perez-Vazquez, V. (2017) · Diabetology & Metabolic Syndrome · doi:10.1186/s13098-017-0302-5 · Cited by 72 · see citing works
Khaliq, M., Noor, Z., Moazzam, M., Saeed, F., Tul-Zohra, K., Tariq, E., Muhammad Shahbaz, H., & Khaliq, K. (2026) · Annals of Medicine · doi:10.1080/07853890.2026.2637282 · Cited by 4 · see citing works
“Several algal peptides have been shown to activate peroxisome proliferator-activated receptor gamma (PPAR-γ), a transcription factor central to adipocyte differentiation and lipid metabolism [144].”
- Authors
- Hofmann, T., Elbelt, U., & Stengel, A.
- Affiliations
- Charité – Universitätsmedizin Berlin (DE)
- Stiftung Charité (DE)
- Corresponding author
- Stengel, Andreas
- Venue
- Peptides
- Publisher
- Elsevier BV
- Published
- 2014-04
- Volume
- 54
- Pages
- 89-100
- ISSN
- 0196-9781 (ISSN-L)
- OpenAlex
- W2043265447
- Cited by
- 162
- References
- 84
- Citations by year
- 2026: 4 · 2025: 8 · 2024: 12 · 2023: 10 · 2022: 21 · 2021: 12 · 2020: 11 · 2019: 11 · 2018: 11 · 2017: 11 · 2016: 22 · 2015: 18 · 2014: 11
- FWCI
- 2.42
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Peptides (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
- Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
- Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
- Keywords
- irisin, FNDC5, myokines, thermogenesis, white adipose tissue, exercise regulation, energy expenditure, obesity, type 2 diabetes, body weight, fat-free mass
- MeSH terms
- Diabetes Mellitus, Fibronectins, Glucose, Humans, Obesity, Exercise, Muscle, Skeletal, Thermogenesis, Adipose Tissue, White
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