Nav1.8 neurons are involved in limiting acute phase responses to dietary fat

Objective and methods: Metabolic viscera and their vasculature are richly innervated by peripheral sensory neurons. Here, we examined the metabolic and inflammatory profiles of mice with selective ablation of all Nav1.8-expressing primary afferent neurons. Results: While mice lacking sensory neurons...

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Main Authors: Swalpa Udit (Author), Michael Burton (Author), Joseph M. Rutkowski (Author), Syann Lee (Author), Angie L. Bookout (Author), Philipp E. Scherer (Author), Joel K. Elmquist (Author), Laurent Gautron (Author)
Format: Book
Published: Elsevier, 2017-10-01T00:00:00Z.
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042 |a dc 
100 1 0 |a Swalpa Udit  |e author 
700 1 0 |a Michael Burton  |e author 
700 1 0 |a Joseph M. Rutkowski  |e author 
700 1 0 |a Syann Lee  |e author 
700 1 0 |a Angie L. Bookout  |e author 
700 1 0 |a Philipp E. Scherer  |e author 
700 1 0 |a Joel K. Elmquist  |e author 
700 1 0 |a Laurent Gautron  |e author 
245 0 0 |a Nav1.8 neurons are involved in limiting acute phase responses to dietary fat 
260 |b Elsevier,   |c 2017-10-01T00:00:00Z. 
500 |a 2212-8778 
500 |a 10.1016/j.molmet.2017.07.012 
520 |a Objective and methods: Metabolic viscera and their vasculature are richly innervated by peripheral sensory neurons. Here, we examined the metabolic and inflammatory profiles of mice with selective ablation of all Nav1.8-expressing primary afferent neurons. Results: While mice lacking sensory neurons displayed no differences in body weight, food intake, energy expenditure, or body composition compared to controls on chow diet, ablated mice developed an exaggerated inflammatory response to high-fat feeding characterized by bouts of weight loss, splenomegaly, elevated circulating interleukin-6 and hepatic serum amyloid A expression. This phenotype appeared to be directly mediated by the ingestion of saturated lipids. Conclusions: These data demonstrate that the Nav1.8-expressing afferent neurons are not essential for energy balance but are required for limiting the acute phase response caused by an obesogenic diet. 
546 |a EN 
690 |a Deafferentation 
690 |a Diphtheria toxin 
690 |a Energy homeostasis 
690 |a Nodose ganglion 
690 |a Inflammation 
690 |a Obesity 
690 |a Internal medicine 
690 |a RC31-1245 
655 7 |a article  |2 local 
786 0 |n Molecular Metabolism, Vol 6, Iss 10, Pp 1081-1091 (2017) 
787 0 |n http://www.sciencedirect.com/science/article/pii/S2212877817304969 
787 0 |n https://doaj.org/toc/2212-8778 
856 4 1 |u https://doaj.org/article/d8a2f3041c25409fbb8edefb02a42dd9  |z Connect to this object online.