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Leptin, Leptin Soluble Receptor, and the Free Leptin Index following a Diet and Physical Activity Lifestyle Intervention in Obese Males and Females

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dc.contributor.author Herrick, Jeffrey E.
dc.contributor.author Panza, Gino S.
dc.contributor.author Gollie, Jared M.
dc.date.accessioned 2018-08-03T18:33:19Z
dc.date.available 2018-08-03T18:33:19Z
dc.date.issued 2016-10-20
dc.identifier.citation Jeffrey E. Herrick, Gino S. Panza, and Jared M. Gollie, “Leptin, Leptin Soluble Receptor, and the Free Leptin Index following a Diet and Physical Activity Lifestyle Intervention in Obese Males and Females,” Journal of Obesity, vol. 2016, Article ID 8375828, 5 pages, 2016. https://doi.org/10.1155/2016/8375828. en_US
dc.identifier.uri http://hdl.handle.net/1920/11072
dc.description.abstract Leptin (LEP) is associated with appetite regulation and metabolism. Concentration is linear with adiposity, suggesting LEP resistance. LEP circulates freely and bound with its soluble receptor (sOB-r); the ratio is the free leptin index (FLI), an index of leptin resistance; lower FLI suggests reduced biological action. Purpose. The aim was to determine the effect of changes in adipose tissue distribution on LEP, sOB-r, and FLI following 6 months (6 M) of a diet/exercise weight loss program (WLP). In addition, we aim to identify predictors of the FLI. Methods. 6 M WLP consisted of diet/lifestyle interventions following ADA guidelines. Body composition was assessed by DXA. LEP and sOB-r analysis were done via ELISA. Results. 10 adults completed the WLP. Significant reductions were seen in total fat percentage (% fat), nontrunk fat, (NTF), and trunk fat (TF) from base to 3 m and 6 M (). The FLI were reduced at 3 M and 6 M for males and 6 M for females. Total body fat and body weight predicted the FLI in both sexes. Conclusions. LEP and FLI reductions following 6 M of WLP were achieved independent of sOB-r changes. We also demonstrate that the FLI can be predicted noninvasively through total fat mass and body weight in kilograms. en_US
dc.language.iso en_US en_US
dc.publisher Hindawi en_US
dc.rights Attribution 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by/3.0/us/ *
dc.title Leptin, Leptin Soluble Receptor, and the Free Leptin Index following a Diet and Physical Activity Lifestyle Intervention in Obese Males and Females en_US
dc.type Article en_US
dc.identifier.doi 10.1155/2016/8375828


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