Author
Listed:
- Lei Zhang
(Garvan Institute of Medical Research, St. Vincent’s Hospital
St. Vincent’s Clinical School, University of NSW)
- Chi Kin Ip
(Garvan Institute of Medical Research, St. Vincent’s Hospital)
- I-Chieh J. Lee
(Garvan Institute of Medical Research, St. Vincent’s Hospital)
- Yue Qi
(Garvan Institute of Medical Research, St. Vincent’s Hospital)
- Felicia Reed
(Garvan Institute of Medical Research, St. Vincent’s Hospital)
- Tim Karl
(Western Sydney University
Neuroscience Research Australia
University of NSW)
- Jac Kee Low
(Neuroscience Research Australia)
- Ronaldo F. Enriquez
(Garvan Institute of Medical Research, St. Vincent’s Hospital
Garvan Institute of Medical Research, St Vincent’s Hospital)
- Nicola J. Lee
(Garvan Institute of Medical Research, St. Vincent’s Hospital
St. Vincent’s Clinical School, University of NSW)
- Paul A. Baldock
(University of NSW
Garvan Institute of Medical Research, St Vincent’s Hospital
University of NSW)
- Herbert Herzog
(Garvan Institute of Medical Research, St. Vincent’s Hospital
University of NSW
University of NSW)
Abstract
Excess caloric intake results in increased fat accumulation and an increase in energy expenditure via diet-induced adaptive thermogenesis; however, the underlying mechanisms controlling these processes are unclear. Here we identify the neuropeptide FF receptor-2 (NPFFR2) as a critical regulator of diet-induced thermogenesis and bone homoeostasis. Npffr2−/− mice exhibit a stronger bone phenotype and when fed a HFD display exacerbated obesity associated with a failure in activating brown adipose tissue (BAT) thermogenic response to energy excess, whereas the activation of cold-induced BAT thermogenesis is unaffected. NPFFR2 signalling is required to maintain basal arcuate nucleus NPY mRNA expression. Lack of NPFFR2 signalling leads to a decrease in BAT thermogenesis under HFD conditions with significantly lower UCP-1 and PGC-1α levels in the BAT. Together, these data demonstrate that NPFFR2 signalling promotes diet-induced thermogenesis via a novel hypothalamic NPY-dependent circuitry thereby coupling energy homoeostasis with energy partitioning to adipose and bone tissue.
Suggested Citation
Lei Zhang & Chi Kin Ip & I-Chieh J. Lee & Yue Qi & Felicia Reed & Tim Karl & Jac Kee Low & Ronaldo F. Enriquez & Nicola J. Lee & Paul A. Baldock & Herbert Herzog, 2018.
"Diet-induced adaptive thermogenesis requires neuropeptide FF receptor-2 signalling,"
Nature Communications, Nature, vol. 9(1), pages 1-19, December.
Handle:
RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-06462-0
DOI: 10.1038/s41467-018-06462-0
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