Aged interleukin-10tm1Cgn chronically inflamed mice have substantially reduced fat mass, metabolic rate, and adipokines

Reyhan Westbrook, Huan Le Yang, Jackie M. Langdon, Cindy N. Roy, Jin A. Kim, Parichoy P. Choudhury, Qian Li Xue, Andrea di Francesco, Rafa de Cabo, Jeremy D Walston

Research output: Contribution to journalArticle

Abstract

Interleukin 10tm1Cgn (IL 10tm) mice have been utilized as a model of chronic inflammation and declining health span because of their propensity to develop chronic activation in NFkB pathways, skeletal muscle and cardiac changes, and mitochondrial dysfunction. We hypothesized that older IL 10tm frail mice would have alterations similar to frail, older humans in measured parameters of glucose metabolism, oxygen consumption (VO2), respiratory quotient (RQ), spontaneous locomotor activity, body composition and plasma adipokine levels. To test this hypothesis, we investigated these metabolic parameters in cohorts of 3, 10, and 20 month old IL 10tm female mice and age and gender matched C57Bl/6 mice. Insulin sensitivity, glucose homeostasis, locomotor activity and RQ were not significantly altered between the two strains of mice. Interestingly, old IL 10tm mice had significantly decreased VO2 when normalized by lean mass, but not when normalized by fat mass or the lean/fat mass ratio. NMR based body composition analysis and dissection weights show that fat mass is decreased with age in IL 10tm mice compared to controls. Further, plasma adiponectin and leptin were also decreased in IL 10tm.These findings suggest that frailty observed in this mouse model of chronic inflammation may in part be driven by alterations in fat mass, hormone secretion and energy metabolism.

Original languageEnglish (US)
Article numbere0186811
JournalPLoS One
Volume12
Issue number12
DOIs
StatePublished - Dec 1 2017

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adipokines
Adipokines
Interleukins
interleukins
Fats
mice
lipids
respiratory quotient
Locomotion
locomotion
body composition
Body Composition
Plasmas
inflammation
Glucose
Dissection
Adiponectin
glucose
adiponectin
Leptin

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

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Aged interleukin-10tm1Cgn chronically inflamed mice have substantially reduced fat mass, metabolic rate, and adipokines. / Westbrook, Reyhan; Le Yang, Huan; Langdon, Jackie M.; Roy, Cindy N.; Kim, Jin A.; Choudhury, Parichoy P.; Xue, Qian Li; Francesco, Andrea di; Cabo, Rafa de; Walston, Jeremy D.

In: PLoS One, Vol. 12, No. 12, e0186811, 01.12.2017.

Research output: Contribution to journalArticle

Westbrook, Reyhan ; Le Yang, Huan ; Langdon, Jackie M. ; Roy, Cindy N. ; Kim, Jin A. ; Choudhury, Parichoy P. ; Xue, Qian Li ; Francesco, Andrea di ; Cabo, Rafa de ; Walston, Jeremy D. / Aged interleukin-10tm1Cgn chronically inflamed mice have substantially reduced fat mass, metabolic rate, and adipokines. In: PLoS One. 2017 ; Vol. 12, No. 12.
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