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Nutrients 2018, 10(12), 1899; https://doi.org/10.3390/nu10121899

Supplementation of Juçara Berry (Euterpe edulis Mart.) Modulates Epigenetic Markers in Monocytes from Obese Adults: A Double-Blind Randomized Trial

1
Programa de Pós-Graduação Interdisciplinar em Ciências da Saúde, Universidade Federal de São Paulo, Santos 11015-020, Brazil
2
Departamento de Biociências, Universidade Federal de São Paulo, Santos 11015-020, Brazil
3
Departamento de Fisiologia, Universidade Federal de São Paulo, São Paulo 04023-062, Brazil
4
Laboratório de Nutrição e Fisiologia Endócrina (LaNFE), Departamento de Biociências, Instituto de Saúde e Sociedade, Universidade Federal de São Paulo, Rua Silva Jardim, 136, Térreo, Vila Mathias, Santos, São Paulo 11015-020, Brazil
*
Author to whom correspondence should be addressed.
Received: 3 October 2018 / Revised: 27 November 2018 / Accepted: 29 November 2018 / Published: 3 December 2018
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Abstract

Nutrigenomics is an emerging field in obesity since epigenetic markers can be modified by environmental factors including diet. Considering juçara composition—rich in anthocyanins, monounsaturated fatty acids (MUFAs) and fibers—it has the potential for epigenetic modulation. We evaluated the juçara supplementation modulating the serum fatty acids profile and epigenetic markers in monocytes of adult obese humans. It was a randomized double-blind, controlled trial with 27 obese (Body mass index between 30.0 and 39.9 kg/m2) participants of both genders aged from 31 to 59 years, divided into juçara group (5 g juçara freeze-dried pulp) or placebo group (5 g of maltodextrin) for 6 weeks. Before and after supplementation, blood samples were collected. The serum and monocytes cells obtained were cultured and stimulated with lipopolysaccharides as proinflammatory stimulus. After 24 h of incubation, the cells and supernatants were collected and analyzed. Juçara improved the serum fatty acids profile on unsaturated fatty acids levels. The epigenetic markers evaluated were improved post-treatment. Also, the methylated DNA level was increased after treatment. We find that juçara supplementation is a predictor of methyl CpG binding proteins 2 (MeCP2) in monocytes. Concluding, juçara supplementation improved the serum fatty acids profile, modulating the epigenetic markers in monocytes from obese individuals. View Full-Text
Keywords: obesity; epigenetics; fatty acids; monounsaturated fatty acid; juçara; monocytes obesity; epigenetics; fatty acids; monounsaturated fatty acid; juçara; monocytes
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Santamarina, A.B.; Jamar, G.; Mennitti, L.V.; de Cássia César, H.; de Rosso, V.V.; Vasconcelos, J.R.; Oyama, L.M.; Pisani, L.P. Supplementation of Juçara Berry (Euterpe edulis Mart.) Modulates Epigenetic Markers in Monocytes from Obese Adults: A Double-Blind Randomized Trial. Nutrients 2018, 10, 1899.

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