scholarly journals Effect of Subtotal Colectomy on Body Weight and Food Intake in an Experimental Model of Obesity in Male Wistar Rats

2012 ◽  
Vol 4 (1) ◽  
pp. 51-54
Author(s):  
Pilar Fernandez-Mateos
Author(s):  
Ramalingam Sripradha ◽  
Magadi Gopalakrishna Sridhar ◽  
Nachimuthu Maithilikarpagaselvi

AbstractExcess fructose consumption causes dyslipidemia, oxidative stress, and various complications. Hydroxycitric acid (HCA), one of the principal components of the fruitMale Wistar rats (n=40) were randomly divided into four groups with 10 rats in each group. The rats were fed with either standard rodent diet or 60% fructose diet and administered with HCA at a dose of 400 mg/kg body wt/day for 10 weeks. Body weight was measured once a week, and food intake was noted daily. At the end of the study, lipid profile and oxidative stress parameters were estimated. Expressions of stress sensitive kinases were analyzed in liver homogenates.Fructose-fed rats displayed elevated body weight, higher levels of plasma total cholesterol (TC), triacylglycerol (TAG), non-high-density lipoprotein cholesterol (non HDL-C), malondialdehyde (MDA), total oxidant status (TOS), oxidative stress index (OSI), lower levels of HDL-C, glutathione (GSH), glutathione peroxidase (GPx), and total antioxidant status (TAS). Fructose feeding caused higher phosphorylation of stress sensitive kinases ERK ½ and p38. Administration with HCA lowered body weight, food intake, TAG, non-HDL-C, MDA, TOS, and OSI and elevated GSH, GPx, and TAS levels. Reduced phosphorylation of ERK ½ and p38 mitogen-activated protein kinase (MAPK) was observed upon HCA treatment.Thus, HCA improved fructose induced redox imbalance and activation of stress sensitive kinases through its hypolipidemic effects.


2019 ◽  
Vol 53 (1) ◽  
pp. 8-13 ◽  
Author(s):  
Nazli Khajehnasiri ◽  
Homayoun Khazali ◽  
Farzam Sheikhzadeh ◽  
Mahnaz Ghowsi

AbstractObjective. The hypothalamic arcuate nucleus proopiomelanocortin (POMC) and neuropeptide Y (NPY) circuitries are involved in the inhibition and stimulation of the appetite, respectively. The aim of this study was to investigate the effects of one-month lasting high-intensity exercise on the POMC mRNA and NPY mRNA expression in the above-mentioned brain structure and appetite and food intake levels.Methods. Fourteen male Wistar rats (250±50 g) were used and kept in the well-controlled conditions (22±2 °C, 50±5% humidity, and 12 h dark/light cycle) with food and water ad libitum. The rats were divided into two groups (n=7): 1) control group (C, these rats served as controls) and 2) exercised group (RIE, these rats performed a high-intensity exercise for one month (5 days per week) 40 min daily with speed 35 m/min. The total exercise time was 60 min. The body weight and food intake were recorded continuously during the experiments.Results. The results showed relative mRNA expression of POMC and NPY estimated in the hypothalamic arcuate nucleus. There were no significant differences in the NPY and POMC mRNAs expression levels and food intake between C and RIE groups.Conclusions. The present data indicate that one-month regular intensive exercise did not alter the levels of NPY and POMC mRNAs expression (as two important factors in the regulation of appetite) in the hypothalamic arcuate nucleus and food intake suggesting that this type of exercise itself is not an appropriate procedure for the body weight reduction.


1979 ◽  
Vol 42 (3) ◽  
pp. 367-375 ◽  
Author(s):  
G. A. Al Shamma ◽  
C. C. Goll ◽  
T. B. Baird ◽  
J. Broom ◽  
G. A. Nicholas ◽  
...  

1. The effects on body composition, measured by direct techniques, of a controlled 25% body-surfacearea thermal injury have been studied in two groups of forty male Wistar rats.2. The extent of weight loss in the animals was directly related to their energy deficit resulting from a combination of injury, food intake and rate of wound healing.3. Body fat proved the most labile source of tissue energy, decreasing to a minimum of approximately 30 g/kg body-weight.4. Relationships between water and fat, and water and protein seen in control animals were not significantly different in the traumatized group.


Obesity ◽  
2011 ◽  
Vol 19 (8) ◽  
pp. 1715-1721 ◽  
Author(s):  
Kylie E.L. Beale ◽  
Kevin G. Murphy ◽  
Eleanor K. Harrison ◽  
Angela J. Kerton ◽  
Mohammad A. Ghatei ◽  
...  

2017 ◽  
Vol 4 (3) ◽  
pp. 193
Author(s):  
Wiwiek Fatchurohmah ◽  
Andreanyta Meliala

A positive energy imbalance results in overweight and obesity. Overweight and obesity are the major risk factors for many diseases, including diabetes, cardiovascular diseases, and mental health. Animal studies suggested that serotonin involves in food intake control. The Banana peel is a potential natural source of serotonin precursor; furthermore, it may influence food intake. This study aimed to determine the effect of banana peel extract on food intake and body weight gain in male Wistar rats. Twenty-four male Wistar rats (8-10 weeks old), were divided into four groups for feeding treatment. All four group were; the control group (C), the banana peel extract dosage of 4 g/kg BW group (T1), the banana peel extract dosage of 8 g/kg BW (T2), and the banana peel extract dosage of 16 g/kg BW (T3). The food intakes were measured daily, while rats body weights were recorded at the beginning and the end of the three days experimental periods. The study found the rats in the T1 group (8.80 ± 2.63) showed no significant difference in food intake compared to C group (10.68 ± 1.89), T2 group (6.65 ± 3.12), and T3 group (5.42 ± 1.59). Rats in the T2 group (p = 0.038) and T3 group (p = 0.005) showed lower food intake significantly compared to control group. After three days of treatment, the T3 group showed a significant decrease in body weight compared to control group (p = 0.008). This study concluded, the administration of banana peel extract dosage of 8 g/kg BW and 16 g/kg BW suppressed food intake, while the dosage of 16 g/kg BW reduced the body weight in male Wistar rats.


2013 ◽  
pp. 1-1
Author(s):  
Michael Patterson ◽  
John Tadross ◽  
Keisuke Suzuki ◽  
Kylie Beale ◽  
Charoltte Boughton ◽  
...  

2020 ◽  
Vol 20 (07) ◽  
pp. 16984-16996
Author(s):  
MMC Anyakudo ◽  
◽  
DO Adeniji ◽  

The metabolic response to nutrient ingestion and the rate of digestion and absorption of nutrient molecules in bowel physiology plays an important role in the metabolic control of some human chronic non-infectious diseases. This experimentally-controlled designed nutritional study which lasted eight weeks aimed to determine the effects of proportional high-protein/low-carbohydrate (HP/LC) formulated diet on glycemic tolerance, glycemic control, body weight, organ weight and organ morphometry in healthy and diabetic adult male Wistar rats. Twenty-four male Wistar rats purchased from a disease-free stock were randomly categorized into four groups (n = 6, each) after two weeks acclimatization period in raised stainless steel cages with 6 mm2mesh floor and replaceable numbered blotters papers placed under each cage in a well-ventilated animal house. Animal groups include: Healthy control group (HC), Healthy treated group (HT), Diabetic control group (DC) and Diabetic treated group (DT. The animals were fed according to the experimental design with water ad libitumfor eight weeks. Diabetes was inducted with freshly prepared alloxan monohydrate solution (150 mg/kg bw, intraperitoneally). Body weights and fasting blood sugar concentrations were measured twice weekly, while oral glucose tolerance test was conducted on the last day of the eighth-week study and subsequently followed by organs extraction after anesthesia for weight and gross assessment. Proportional high-protein/low-carbohydrate formulated diet caused significant reduction in mean body weight of treated diabetic (DT: 22.6%; P= .001) and healthy (HT: 5.8%; P= .007) rats while the control animals on control diet recorded significant (P< .05) increase in body weight gain (DC: 12.4%; HC: 11.2%). Glycemic tolerance and control improved significantly in diabetic treated rats over that of the healthy treated rats. Gross morphometry of the extracted organs (kidneys, liver, heart, lungs, spleen and testes) revealed sustained normal morphological features without any visible lesion. In conclusion, consumption of proportional high-protein/low-carbohydrate formulated diet enhanced body weight reduction and sustained normal organ morphological features with good glycemic tolerance and control in experimental rats, suggesting its dietary potentiality, safety and suitability to ameliorate obesity-related diabetes.


2018 ◽  
Vol 103 (8) ◽  
pp. 1076-1086 ◽  
Author(s):  
João Paulo Cavalcanti-de-Albuquerque ◽  
Grasielle Clotildes Kincheski ◽  
Ruy Andrade Louzada ◽  
Antônio Galina ◽  
Anna Paola Trindade Rocha Pierucci ◽  
...  

1990 ◽  
Vol 259 (3) ◽  
pp. R579-R584 ◽  
Author(s):  
S. Rivest ◽  
D. Richard

The effects of a hypothalamic paraventricular nucleus (PVN) lesion on energy balance were investigated in exercise-trained rats. Male Wistar rats weighing initially 250 g were divided into four groups. Two groups of rats underwent a bilateral PVN lesion, whereas the two remaining groups were sham operated. The PVN lesions were done electrolytically. One group from each surgical treatment was exercised, while the other group was kept in sedentary conditions. Rats were exercised on a rodent motor-driven treadmill at moderate intensity, 1 h/day for 21 consecutive days. Food intake and body weight were measured each day during the study. At the end of the treatment period, rats were killed, and carcasses were analyzed for their energy content. Serum corticosterone was measured by a competitive protein-binding assay. Energy gain and energy intake were lower in exercised rats than in sedentary controls, regardless of whether they were sham or PVN lesioned. Concurrently, there was no difference in the energy gain between PVN-lesioned and sham-operated rats, despite the fact that PVN-lesioned rats ended the experiment with a larger body weight than the sham-lesioned animals. Serum corticosterone levels were lower in PVN-lesioned rats than in sham-lesioned rats. In conclusion, the present results indicate that the PVN, the hypothalamic nucleus predominantly controlling the pituitary-adrenal axis activity, is not a prominent structure in the regulation of energy balance in exercised male Wistar rats.


1990 ◽  
Vol 259 (6) ◽  
pp. R1117-R1125 ◽  
Author(s):  
F. D. Newby ◽  
M. DiGirolamo ◽  
G. A. Cotsonis ◽  
M. H. Kutner

We analyzed retrospectively data from 148 chow-fed male Wistar rats killed between the age of 6 wk and 2 yr while varying in body weight from 136 to 917 g. The purpose of this study was to clarify the relationship of body weight and body lipid content with the composition and cellularity of the epididymal and retroperitoneal fat depots. A positive linear association was found between body weight and body water or fat-free dry residue, whereas total body lipid exhibited a curvilinear relationship with body weight. The weight of the epididymal pads was linearly related to body weight but not to body lipid. In contrast, retroperitoneal pad weight was exponentially related to body weight and paralleled total body lipid. A strong linear correlation was found between total body lipid and weight (r = 0.959) or depot lipid content (r = 0.967) of the retroperitoneal fat pads. In this rat model of aging and spontaneous obesity, significant regional differences exist in adipose depot composition and cellularity. A practical outcome of this study is a simple and accurate prediction of body lipid content from the gravimetric determination of the retroperitoneal fat depots.


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