Intrinsic expression of viperin regulates thermogenesis in adipose tissues
- Authors
- Eom, John; Kim, Jeong Jin; Yoon, Seul Gi; Jeong, Haengdueng; Son, Soojin; Lee, Jae Bong; Yoo, Jihye; Seo, Hyun Ju; Cho, Yejin; Kim, Ku Sul; Choi, Kyung Mi; Kim, Il Yong; Lee, Hui-Young; Nam, Ki Taek; Cresswell, Peter; Seong, Je Kyung; Seo, Jun-Young
- Issue Date
- 27-Aug-2019
- Publisher
- NATL ACAD SCIENCES
- Keywords
- metabolism; fatty acid beta-oxidation; innate immunity; viperin; thermogenesis
- Citation
- PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, v.116, no.35, pp.17419 - 17428
- Journal Title
- PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
- Volume
- 116
- Number
- 35
- Start Page
- 17419
- End Page
- 17428
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/1093
- DOI
- 10.1073/pnas.1904480116
- ISSN
- 0027-8424
- Abstract
- Viperin is an interferon (IFN)-inducible multifunctional protein. Recent evidence from high-throughput analyses indicates that most IFN-inducible proteins, including viperin, are intrinsically expressed in specific tissues; however, the respective intrinsic functions are unknown. Here we show that the intrinsic expres- sion of viperin regulates adipose tissue thermogenesis, which is known to counter metabolic disease and contribute to the febrile response to pathogen invasion. Viperin knockout mice exhibit increased heat production, resulting in a reduction of fat mass, improvement of high-fat diet (HFD)-induced glucose tolerance, and enhancement of cold tolerance. These thermogenic pheno- types are attributed to an adipocyte-autonomous mechanism that regulates fatty acid beta-oxidation. Under an HFD, viperin expression is increased, and its function is enhanced. Our findings reveal the intrinsic function of viperin as a novel mechanism regulating ther- mogenesis in adipose tissues, suggesting that viperin represents a molecular target for thermoregulation in clinical contexts.
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