4.8 Article

Defining the impact of dietary macronutrient balance on PCOS traits

Journal

NATURE COMMUNICATIONS
Volume 11, Issue 1, Pages -

Publisher

NATURE RESEARCH
DOI: 10.1038/s41467-020-19003-5

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Funding

  1. ANZAC Research Institute
  2. School of Women's and Children's Health, University of New South Wales Sydney
  3. NHMRC Peter Doherty Biomedical Fellowship [GNT1110098]
  4. University of Sydney SOAR fellowship

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Lifestyle, mainly dietary, interventions are first-line treatment for women with polycystic ovary syndrome (PCOS), but the optimal diet remains undefined. We combined a hyperandrogenized PCOS mouse model with a systematic macronutrient approach, to elucidate the impact of dietary macronutrients on the development of PCOS. We identify that an optimum dietary macronutrient balance of a low protein, medium carbohydrate and fat diet can ameliorate key PCOS reproductive traits. However, PCOS mice display a hindered ability for their metabolic system to respond to diet variations, and varying macronutrient balance did not have a beneficial effect on the development of metabolic PCOS traits. We reveal that PCOS traits in a hyperandrogenic PCOS mouse model are ameliorated selectively by diet, with reproductive traits displaying greater sensitivity than metabolic traits to dietary macronutrient balance. Hence, providing evidence to support the development of evidence-based dietary interventions as a promising strategy for the treatment of PCOS, especially reproductive traits. Lifestyle interventions are first-line treatment for women with polycystic ovary syndrome (PCOS), but the optimal diet remains undefined. Here the authors identify an optimum dietary macronutrient balance that can rectify PCOS reproductive traits in a mouse model of PCOS, while metabolic features were less sensitive to diet changes.

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