<i>Urtica dioica</i> Whole Vegetable as a Functional Food Targeting Fat Accumulation and Insulin Resistance-a Preliminary Study in a Mouse Pre-Diabetic Model

The shoot of <i>Urtica dioica</i> is used in several cultures as a vegetable or herb. However, not much has been studied about the potential of this plant when consumed as a whole food/vegetable rather than an extract for dietary supplements. In a 12-week dietary intervention study, we t...

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Main Authors: Si Fan, Samnhita Raychaudhuri, Olivia Kraus, Md Shahinozzaman, Leila Lofti, Diana N. Obanda
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:Nutrients
Subjects:
Online Access:https://www.mdpi.com/2072-6643/12/4/1059
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author Si Fan
Samnhita Raychaudhuri
Olivia Kraus
Md Shahinozzaman
Leila Lofti
Diana N. Obanda
author_facet Si Fan
Samnhita Raychaudhuri
Olivia Kraus
Md Shahinozzaman
Leila Lofti
Diana N. Obanda
author_sort Si Fan
collection DOAJ
description The shoot of <i>Urtica dioica</i> is used in several cultures as a vegetable or herb. However, not much has been studied about the potential of this plant when consumed as a whole food/vegetable rather than an extract for dietary supplements. In a 12-week dietary intervention study, we tested the effect of <i>U. dioica</i> vegetable on high fat diet induced obesity and insulin resistance in C57BL/6J mice. Mice were fed ad libitum with isocaloric diets containing 10% fat or 45% fat with or without <i>U. dioica</i>. The diet supplemented with <i>U. dioica</i> attenuated high fat diet induced weight gain (<i>p</i> < 0.005; <i>n</i> = 9), fat accumulation in adipose tissue (<i>p</i> < 0.005; <i>n</i> = 9), and whole-body insulin resistance (HOMA-IR index) (<i>p</i> < 0.001; <i>n</i> = 9). Analysis of gene expression in skeletal muscle showed no effect on the constituents of the insulin signaling pathway (AKT, IRS proteins, PI3K, GLUT4, and insulin receptor). Notable genes that impact lipid or glucose metabolism and whose expression was changed by <i>U. dioica</i> include fasting induced adipocyte factor (FIAF) in adipose and skeletal muscle, peroxisome proliferator-activated receptor-α (Ppar-α) and forkhead box protein (FOXO1) in muscle and liver, and Carnitine palmitoyltransferase I (Cpt1) in liver (<i>p</i> < 0.01). We conclude that <i>U. dioica</i> vegetable protects against diet induced obesity through mechanisms involving lipid accumulation and glucose metabolism in skeletal muscle, liver, and adipose tissue.
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spelling doaj.art-a1769f21836a41de974e1eb63c82ccd92023-11-19T21:19:09ZengMDPI AGNutrients2072-66432020-04-01124105910.3390/nu12041059<i>Urtica dioica</i> Whole Vegetable as a Functional Food Targeting Fat Accumulation and Insulin Resistance-a Preliminary Study in a Mouse Pre-Diabetic ModelSi Fan0Samnhita Raychaudhuri1Olivia Kraus2Md Shahinozzaman3Leila Lofti4Diana N. Obanda5Department of Nutrition and Food Sciences, University of Maryland, College Park, MD 20742, USADepartment of Nutrition and Food Sciences, University of Maryland, College Park, MD 20742, USAMathematical and Natural Sciences, College of Computer, University of Maryland, College Park, MD 20742, USADepartment of Nutrition and Food Sciences, University of Maryland, College Park, MD 20742, USADepartment of Nutrition and Food Sciences, University of Maryland, College Park, MD 20742, USADepartment of Nutrition and Food Sciences, University of Maryland, College Park, MD 20742, USAThe shoot of <i>Urtica dioica</i> is used in several cultures as a vegetable or herb. However, not much has been studied about the potential of this plant when consumed as a whole food/vegetable rather than an extract for dietary supplements. In a 12-week dietary intervention study, we tested the effect of <i>U. dioica</i> vegetable on high fat diet induced obesity and insulin resistance in C57BL/6J mice. Mice were fed ad libitum with isocaloric diets containing 10% fat or 45% fat with or without <i>U. dioica</i>. The diet supplemented with <i>U. dioica</i> attenuated high fat diet induced weight gain (<i>p</i> < 0.005; <i>n</i> = 9), fat accumulation in adipose tissue (<i>p</i> < 0.005; <i>n</i> = 9), and whole-body insulin resistance (HOMA-IR index) (<i>p</i> < 0.001; <i>n</i> = 9). Analysis of gene expression in skeletal muscle showed no effect on the constituents of the insulin signaling pathway (AKT, IRS proteins, PI3K, GLUT4, and insulin receptor). Notable genes that impact lipid or glucose metabolism and whose expression was changed by <i>U. dioica</i> include fasting induced adipocyte factor (FIAF) in adipose and skeletal muscle, peroxisome proliferator-activated receptor-α (Ppar-α) and forkhead box protein (FOXO1) in muscle and liver, and Carnitine palmitoyltransferase I (Cpt1) in liver (<i>p</i> < 0.01). We conclude that <i>U. dioica</i> vegetable protects against diet induced obesity through mechanisms involving lipid accumulation and glucose metabolism in skeletal muscle, liver, and adipose tissue.https://www.mdpi.com/2072-6643/12/4/1059<i>Urtica dioica</i>vegetablediet, fat accumulationinsulin resistance
spellingShingle Si Fan
Samnhita Raychaudhuri
Olivia Kraus
Md Shahinozzaman
Leila Lofti
Diana N. Obanda
<i>Urtica dioica</i> Whole Vegetable as a Functional Food Targeting Fat Accumulation and Insulin Resistance-a Preliminary Study in a Mouse Pre-Diabetic Model
Nutrients
<i>Urtica dioica</i>
vegetable
diet, fat accumulation
insulin resistance
title <i>Urtica dioica</i> Whole Vegetable as a Functional Food Targeting Fat Accumulation and Insulin Resistance-a Preliminary Study in a Mouse Pre-Diabetic Model
title_full <i>Urtica dioica</i> Whole Vegetable as a Functional Food Targeting Fat Accumulation and Insulin Resistance-a Preliminary Study in a Mouse Pre-Diabetic Model
title_fullStr <i>Urtica dioica</i> Whole Vegetable as a Functional Food Targeting Fat Accumulation and Insulin Resistance-a Preliminary Study in a Mouse Pre-Diabetic Model
title_full_unstemmed <i>Urtica dioica</i> Whole Vegetable as a Functional Food Targeting Fat Accumulation and Insulin Resistance-a Preliminary Study in a Mouse Pre-Diabetic Model
title_short <i>Urtica dioica</i> Whole Vegetable as a Functional Food Targeting Fat Accumulation and Insulin Resistance-a Preliminary Study in a Mouse Pre-Diabetic Model
title_sort i urtica dioica i whole vegetable as a functional food targeting fat accumulation and insulin resistance a preliminary study in a mouse pre diabetic model
topic <i>Urtica dioica</i>
vegetable
diet, fat accumulation
insulin resistance
url https://www.mdpi.com/2072-6643/12/4/1059
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