scholarly journals Tea Seed Oil Prevents Obesity, Reduces Physical Fatigue, and Improves Exercise Performance in High-Fat-Diet-Induced Obese Ovariectomized Mice

Molecules ◽  
2019 ◽  
Vol 24 (5) ◽  
pp. 980 ◽  
Author(s):  
Yu-Tang Tung ◽  
Yi-Ju Hsu ◽  
Yi-Wen Chien ◽  
Chi-Chang Huang ◽  
Wen-Ching Huang ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Body Weight ◽  
Exercise Performance ◽  
High Fat Diet ◽  
Seed Oil ◽  
Physical Fatigue ◽  
High Fat ◽  
Tea Seed Oil ◽  
Ovariectomized Mice ◽  
Total Fat

Menopause is associated with changes in body composition (a decline in lean body mass and an increase in total fat mass), leading to an increased risk of metabolic syndrome, nonalcoholic fatty liver disease, and heart disease. A healthy diet to control body weight is an effective strategy for preventing and treating menopause-related metabolic syndromes. In the present study, we investigated the effect of long-term feeding of edible oils (soybean oil (SO), tea seed oil (TO), and lard oil (LO)) on female ovariectomized (OVX) mice. SO, TO, and LO comprise mainly polyunsaturated fatty acids (PUFA), monounsaturated fatty acids (MUFA), and saturated fatty acids (SFA), respectively. However, there have been quite limited studies to investigate the effects of different fatty acids (PUFA, MUFA, and SFA) on physiological adaption and metabolic homeostasis in a menopausal population. In this study, 7-week-old female Institute of Cancer Research (ICR) mice underwent either bilateral laparotomy (sham group, n = 8) or bilateral oophorectomy (OVX groups, n = 24). The OVX mice given a high-fat diet (HFD) were randomly divided into three groups: OVX+SO, OVX+TO, and OVX+LO. An HFD rich in SO, TO, or LO was given to the OVX mice for 12 weeks. Our findings revealed that the body weight and relative tissues of UFP (uterus fatty peripheral) and total fat (TF) were significantly decreased in the OVX+TO group compared with those in the OVX+SO and OVX+LO groups. However, no significant difference in body weight or in the relative tissues of UFP and TF was noted among the OVX+SO and OVX+LO groups. Furthermore, mice given an HFD rich in TO exhibited significantly decreased accumulation of liver lipid droplets and adipocyte sizes of UFP and brown adipose tissue (BAT) compared with those given an HFD rich in SO or LO. Moreover, replacing SO or LO with TO significantly increased oral glucose tolerance. Additionally, TO improved endurance performance and exhibited antifatigue activity by lowering ammonia, blood urea nitrogen, and creatine kinase levels. Thus, tea seed oil (TO) rich in MUFA could prevent obesity, reduce physical fatigue, and improve exercise performance compared with either SO (PUFA)- or LO(SFA)-rich diets in this HFD-induced obese OVX mice model.

scholarly journals Luteolin Improves Insulin Resistance in Postmenopausal Obese Mice by Altering Macrophage Polarization (FS12-01-19)

2019 ◽  
Vol 3 (Supplement_1) ◽  
Author(s):  
Yunjung Baek ◽  
Mi Nam Lee ◽  
Dayong Wu ◽  
Munkyong Pae
Keyword(s):  
Insulin Resistance ◽  
Body Weight ◽  
Adipose Tissue ◽  
High Fat Diet ◽  
Ovarian Function ◽  
Body Weight Gain ◽  
Adipose Tissue Inflammation ◽  
High Fat ◽  
Tissue Inflammation ◽  
Ovariectomized Mice

Abstract Objectives Previously, we showed that loss of ovarian function in mice fed high-fat diet exacerbated insulin resistance and adipose tissue inflammation. In the current study, we tested whether consumption of luteolin, an anti-inflammatory flavonoid, could mitigate adipose tissue inflammation and insulin resistance in obese ovariectomized mice. Methods Nine-week-old ovariectomized C57BL/6 mice were fed a low-fat diet (LFD), high-fat diet (HFD), or HFD supplemented with 0.005% luteolin (HFD + L) for 16 weeks. The anti-inflammatory drug salicylate was used as a positive control. Fasting blood glucose, insulin, and insulin resistance index HOMA-IR were measured every 4 weeks. Adipose tissue and spleen were characterized for tissue inflammation by real-time PCR and immune cell populations by flow cytometry after 16 weeks of feeding. Results HFD resulted in more body weight gain than LFD in ovariectomized mice and supplementing HFD with 0.005% luteolin did not affect the body weight gain. In addition, HFD elicited a significant elevation in fat mass, which were comparable between HFD and HFD + L groups. However, luteolin supplementation resulted in a significant decrease in CD11c+ macrophages in gonadal adipose tissue, as well as a trend of decrease in macrophage infiltration. Luteolin supplementation also significantly decreased mRNA expression of inflammatory and M1 markers MCP-1, CD11c, TNF-a, and IL-6, while maintaining expression of M2 marker MGL1. We further found that luteolin treatment protected mice from insulin resistance induced by HFD consumption; this improved insulin resistance was correlated with reductions in CD11c+ adipose tissue macrophages. Conclusions Our findings indicate that dietary luteolin supplementation attenuates adipose tissue inflammation and insulin resistance found in mice with loss of ovarian function coupled with a HFD intake, and this effect may be partly mediated through suppressing M1-like polarization of macrophages in adipose tissue. These results have clinical implication in implementing dietary intervention for prevention of metabolic syndrome associated with postmenopause and obesity. Funding Sources Supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (NRF-2018R1A1A1A05078886).

scholarly journals GIP receptor antagonist treatment causes weight loss in ovariectomized high fat diet-fed mice

2021 ◽  
Author(s):  
Geke Aline Boer ◽  
Jenna Hunt ◽  
Maria Gabe ◽  
Johanne Windeløv ◽  
Alexander Sparre-Ulricht ◽  
...  
Keyword(s):  
Body Weight ◽  
Weight Gain ◽  
High Fat Diet ◽  
Body Weight Gain ◽  
Pharmacokinetic Profile ◽  
High Fat ◽  
Ovariectomized Mice ◽  
Gip Receptor

Background and purpose The incretin hormone, glucose-dependent insulinotropic polypeptide (GIP), secreted by the enteroendocrine K-cells in the proximal intestine, may regulate lipid metabolism and adiposity but its exact role in these processes is unclear. Experimental approach We characterized in vitro and in vivo antagonistic properties of a novel GIP analogue, mGIPAnt-1. We further assessed the in vivo pharmacokinetic profile of this antagonist, as well as its ability to affect high-fat diet (HFD)-induced body weight gain in ovariectomized mice during an 8-week treatment period. Key results mGIPAnt-1 showed competitive antagonistic properties to the GIP receptor (GIPR) in vitro as it inhibited GIP-induced cAMP accumulation in COS-7 cells. Furthermore, mGIPAnt-1 was capable of inhibiting GIP-induced glucoregulatory and insulinotropic effects in vivo and has a favourable pharmacokinetic profile with a half-life of 7.2 hours in C57Bl6 female mice. Finally, sub-chronic treatment with mGIPAnt-1 in ovariectomized HFD mice resulted in a reduction of body weight and fat mass. Conclusion and Implications mGIPAnt-1 successfully inhibited acute GIP-induced effects in vitro and in vivo and sub-chronically induces resistance to HFD-induced weight gain in ovariectomized mice. Our results support the development of GIP antagonists for the therapy of obesity.

Anti-hyperlipidemic Effect of Fatty Acids Methyl Esters (FAMEs) of Citrullus colocynthis in High-Fat Diet Induced Obesity in Rats

2019 ◽  
Vol 18 (3-4) ◽  
pp. 131-139
Author(s):  
S.M. Yazit ◽  
S. Nemmiche ◽  
F. Amamou ◽  
R.K. Meziane ◽  
D. Chabane-Sari
Keyword(s):  
Fatty Acids ◽  
Body Weight ◽  
Sunflower Oil ◽  
High Fat Diet ◽  
Methyl Esters ◽  
Public Health Problem ◽  
Major Public Health Problem ◽  
Protective Effects ◽  
Citrullus Colocynthis ◽  
High Fat

Obesity is a major public health problem. Weight loss or weight gain needs an imbalance between energy intake and energy expenditure. The present study examined the possible protective effects of colocynth oil and fatty acids methyl esters (FAMEs) ofCitrullus colocynthisseed oil consumption against obesity in rats. Male albino Wistar rats were randomly divided into six groups. The rats were treated orally with sunflower oil (4%), colocynth oil (4%), and FAMEs (4%) alone or in combination with 28% sunflower oil (high-fat diet) for 8 weeks. The colocynth oil and FAMEs decreased the levels of plasma total cholesterol, low density lipoprotein (LDL) and triglycerides while highdensity lipoprotein (HDL) and body weight were significantly decreased. FAMEs and colocynth oil intake significantly prevented high-fat diet induced increases in body weight and visceral fat mass. Rats fed with FAMEs showed anti-obesity effects, as marked by a significant decrease in body and adipose tissue weights. These results indicated that the oral administration of FAMEs for 60 days significantly reduced abdominal fat index, LDL cholesterol, triglycerides and hepatic lipids, a result that may support the use of FAMES as a hypolipidemic agent in obesity related disorders.

scholarly journals Dietary Shiitake Mushroom (Lentinus edodes) Prevents Fat Deposition and Lowers Triglyceride in Rats Fed a High-Fat Diet

2011 ◽  
Vol 2011 ◽  
pp. 1-8 ◽  
Author(s):  
D. Handayani ◽  
J. Chen ◽  
B. J. Meyer ◽  
X. F. Huang
Keyword(s):  
Body Weight ◽  
Weight Gain ◽  
High Fat Diet ◽  
Body Weight Gain ◽  
Plasma Lipid ◽  
Fat Deposition ◽  
Shiitake Mushroom ◽  
High Fat ◽  
Plasma Triacylglycerol ◽  
Total Fat

High-fat diet (HFD) induces obesity. This study examined the effects of Shiitake mushroom on the prevention of alterations of plasma lipid profiles, fat deposition, energy efficiency, and body fat index induced by HFD. Rats were given a low, medium, and high (7, 20, 60 g/kg = LD-M, MD-M, HD-M) Shiitake mushroom powder in their high-fat (50% in kcal) diets for 6 weeks. The results showed that the rats on the HD-M diet had the lowest body weight gain compared to MD-M and LD-M groups (P<0.05). The total fat deposition was significantly lower (−35%,P<0.05) in rats fed an HD-M diet than that of HFD group. Interestingly, plasma triacylglycerol (TAG) level was significantly lower (−55%,P<0.05) in rats on HD-M than HFD. This study also revealed the existence of negative correlations between the amount of Shiitake mushroom supplementation and body weight gain, plasma TAG, and total fat masses.

scholarly journals Sex Differences in Gut Microbiome in High-Fat-Diet Fed Rats

2020 ◽  
Author(s):  
Ying Shi ◽  
Fangzhi Yue ◽  
Lin Xing ◽  
Shanyu Wu ◽  
Lin Wei ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Body Weight ◽  
Sex Differences ◽  
Gut Microbiota ◽  
High Fat Diet ◽  
Metabolic Diseases ◽  
Normal Diet ◽  
Female Rats ◽  
Male Rats ◽  
High Fat

Abstract Background: Sex differences in obesity and related metabolic diseases are well recognized, however, the mechanism has not been elucidated. Gut microbiota and its metabolites may play a vital role in the development of obesity and metabolic diseases. The aim of the present study was to investigate sex differences in gut microbiota and its metabolites in a high-fat-diet (HFD) obesity rats and identify microbiota genera potentially contributing to such differences in obesity and non-alcoholic fatty liver disease (NAFLD) susceptibility.Methods: Sprague–Dawley rats were divided into four groups (eight animals per group): (1) male rats on a normal diet (MND), (2) male rats on HFD (MHFD), (3) female rats on a normal diet (FND), and (4) female rats on HFD (FHFD). Body weight, liver pathology, gut microbiota and short/medium chain fatty acids in colon contents were compared between different sexes.Results: HFD induced more body weight gain and fat storage in female rats, however, lower hepatic steatosis in FHFD than in MHFD rats was observed. When considering gut microbiota composition, FHFD rats had lower microbiome diversity than MHFD. A significant increase of Firmicutes phylum, along with Bilophila and Blautia genus was detected in MHFD rats, as compared with FHFD, which showed increased relative abundance of Murimonas. Moreover, propionic and lauric acid levels were higher in FHFD than those in MHFD rats. Conclusions: HFD induced sex-related alterations in gut microbiome and fatty acids. Furthermore, the genus Bilophila, Blautia and Murimonas might contribute to sex differences observed in obesity and NAFLD susceptibility.

scholarly journals Milk Polar Lipids in a High-Fat Diet Can Prevent Body Weight Gain: Modulated Abundance of Gut Bacteria in Relation with Fecal Loss of Specific Fatty Acids

2019 ◽  
Vol 63 (4) ◽  
pp. 1801078 ◽  
Author(s):  
Marine Milard ◽  
Fabienne Laugerette ◽  
Annie Durand ◽  
Charline Buisson ◽  
Emmanuelle Meugnier ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Body Weight ◽  
Weight Gain ◽  
High Fat Diet ◽  
Body Weight Gain ◽  
Gut Bacteria ◽  
Polar Lipids ◽  
High Fat

Effects of guanethidine sympathectomy on ventromedial hypothalamic obesity

1983 ◽  
Vol 245 (3) ◽  
pp. R408-R420 ◽  
Author(s):  
T. L. Powley ◽  
M. C. Walgren ◽  
W. B. Laughton
Keyword(s):  
Fatty Acids ◽  
Body Weight ◽  
Salivary Gland ◽  
Food Intake ◽  
High Fat Diet ◽  
Sympathetic Tone ◽  
High Fat ◽  
Hypothalamic Obesity ◽  
Cervical Ganglia ◽  
Fat Feeding

Since ventromedial hypothalamic (VMH) lesions apparently produce chronic increases in parasympathetic activity and decreases in sympathetic responses, two experiments were performed to determine whether decreases in sympathetic tone alone are sufficient either to produce elements of the VMH syndrome or to potentiate the expression of the syndrome in animals with lesions. In experiment 1, rats that had been injected with guanethidine sulfate for 5 wk (40 mg X kg-1 X day-1) to produce a permanent sympathectomy (SympX) were maintained on a high-fat diet and subsequently subjected to VMH lesions. In experiment 2, adrenal-demedullated animals were treated with guanethidine for 6 wk and then subsequently underwent VMH lesions. SympX in the studies (81 and 85% depletion of superior cervical ganglia neurons, respectively) did duplicate the effects of VMH lesions on salivary gland weights. In neither experiment, however, did SympX alone or in combination with demedullation mimic the effects of VMH lesions on food intake, body weight, or body fat. Determinations of free fatty acids (FFAs) in the experiments confirmed that VMH lesions elevate basal FFA levels, but they also indicated that effective VMH lesions need not impair the FFA mobilization to 2-deoxyglucose challenges as some basomedial hypothalamic lesions do. In addition, experiment 2, which employed a prolonged period of high-fat feeding, revealed that SympX plus adrenal demedullation could potentiate (a 13% increase) the effects of VMH lesions on body weight. The results taken together do not support the conclusion that a preponderance of the VMH syndrome can be accounted for by the type of reduction in sympathetic tone produced by guanethidine.

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