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    Energy metabolism and the metabolic syndrome: Does a lower basal metabolic rate signal recovery following weight loss?

    Access Status
    Fulltext not available
    Authors
    Soares, Mario
    Cummings, Nicola
    Chan She Ping-Delfos, Wendy
    Date
    2011
    Type
    Journal Article
    
    Metadata
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    Citation
    Soares, Mario and Cummings, Nicola and Chan She Ping-Delfos, Wendy. 2011. Energy metabolism and the metabolic syndrome: Does a lower basal metabolic rate signal recovery following weight loss? Diabetes & Metabolic Syndrome: Clinical Research and Reviews. 5 (2): pp. 98-101.
    Source Title
    Diabetes & Metabolic Syndrome: Clinical Research and Reviews
    DOI
    10.1016/j.dsx.2012.03.003
    ISSN
    1871-4021
    URI
    http://hdl.handle.net/20.500.11937/11417
    Collection
    • Curtin Research Publications
    Abstract

    Aim: To determine whether basal metabolic rate (BMR) was causally related to MetS, and to study the role of gender in this relationship. Methods: Seventy-two Caucasian subjects (43 women, 29 men) had changes in basal metabolic rate (BMR), carbohydrate oxidation rate (COR), fat oxidation rate (FOR) and prevalence of the metabolic syndrome (MetS) assessed in response to weight loss. Results: There was a significant gender × MetS interaction in BMR at the start. Women with MetS had higher adjusted BMR, whilst men with MetS had lower adjusted BMR than their respective counterparts. Weight loss resulted in a significant decrease in fat mass (−5.2 ± 0.31 kg, p = 0.001), fat free mass (−2.3 ± 0.27 kg, p = 0.001), BMR (−549 ± 58 kJ/d, p = 0.001) and a decreased proportion of MetS (22/72, χ2 = 0.005). Subjects who recovered from MetS after weight loss (RMS) had ~250 kJ/d significantly lower adjusted BMR compared to those who were never MetS (NMS, p = 0.046) and those who still had MetS (MetS+, p = 0.047). Regression analysis showed that change (Δ) in BMR was best determined by Δglucose × gender interaction (r2 = 23%), ΔFOR (r2 = 20.3%), ΔCOR (r2 = 19.4%) and Δtriglycerides (r2 = 7.8%). Conclusions: There is a sexual dimorphism of BMR in MetS. Overall, the data support the notion that alterations in BMR may be central to the etiopathogenesis of MetS.

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