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Bulut E E Ondokuz Mayıs University, Faculty of Dentistry, Department of Oral and Maxillofacial Surgery , Samsun , - - 2014
We evaluated the effects of Ankaferd Blood Stopper (ABS) and routine antibiotic prophylaxis (AP) on early healing of bone defects in diabetic rats. We used 48 rats in the study. Diabetes was induced in 24 rats using streptozotocin; the remaining 24 healthy untreated rats served as controls. Twelve of the ...
Starmans Lucas W E - - 2013
Fibrin targeting is an attractive strategy for nuclear imaging of thrombosis, atherosclerosis and cancer. Recently, FibPep, an (111)In-labeled fibrin-binding peptide, was established as a tracer for fibrin SPECT imaging and was reported to allow sensitive detection of minute thrombi in mice using SPECT. In this study, we developed EPep, a ...
Kong Ming - - 2013
Abstract Cancers are often with spontaneous or therapeutic necrosis that could be utilized as a generic target for developing new treatments. The purpose of this study was to investigate the biodistribution and pharmacokinetics of radioiodinated hypericin (Hyp), a naturally occurring compound, after intravenous (i.v.) injection in a rat model of ...
Beppu Yoshinori - - 2012
Intestinal administration of various lactobacilli has been reported to affect autonomic neurotransmission, blood pressure, and body weight in rats. In this study, we isolated 3 molecules (Peaks A, B, C) from the Lactobacillus pentosus strain S-PT84 (S-PT 84) culture supernatants. Intraduodenal (ID) injection of these molecules increased or inhibited renal ...
Konno Satomi S Department of Cardiovascular Medicine, Kyushu University Graduate School of Medical Sciences, Fukuoka, - - 2012
Sympathetic nervous system (SNS) activity is critically involved in the development and progression of obesity-induced hypertension. Angiotensin II type 1 receptor (AT1R)-induced oxidative stress in the rostral ventrolateral medulla (RVLM), a vasomotor center in the brainstem, activates the SNS in hypertensive rats. The aim of the present study was to ...
Fletcher Justin A - - 2012
Chronic treatment with fibroblast growth factor 21 (FGF-21) favorably improves obesity and nonalcoholic fatty liver disease (NAFLD) outcomes; however, FGF-21 expression is paradoxically elevated in obese conditions. Here, we sought to determine the effects of obesity prevention by daily exercise (EX) vs. caloric restriction (CR) on hepatic FGF-21 in the ...
Bao Yige - - 2012
Recent studies have found that blockers of sulfonylureas receptor 1(SUR1) might have cardiac ischemic protective effects. We evaluated the effects of a selective SUR1 blocker gliclazide on cardiac function and arrhythmia after isoprenaline-induced myocardial injury in obese rats. Diet-induced obese rats received isoprenaline or saline shots subcutaneously. Gliclazide or saline ...
Fischer Lars - - 2012
Introduction: The impact of Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG) on obesity and obesity-related diseases is unquestionable. Up to now, the technical descriptions of these techniques in animals/rats have not been very comprehensive. Methods: For SG and RYGB, operating time, learning curve, and intraoperative mortality in relation to ...
Buqué Xabier - - 2012
In myocytes and adipocytes, insulin increases fatty acid translocase (FAT)/CD36 translocation to the plasma membrane (PM) enhancing fatty acid (FA) uptake. Evidence links increased hepatic FAT/CD36 protein amount and gene expression with hyperinsulinaemia in animal models and patients with fatty liver, but whether insulin regulates FAT/CD36 expression, amount, distribution and ...
Harikai Naoki - - 2012
To understand the molecular mechanism of hyperglucocorticoidism in obese Zucker rats, this study investigated glucocorticoid synthesis-related factors and their transcription factors in the adrenals. glucocorticoid synthesis-related factors and their transcription factors in the adrenals. The serum corticosterone level after foot shock stress was higher in obese Zucker rats than in ...
Schmiedt Chad W - - 2012
The need for surgical hemostasis in patients treated with anticoagulant medications is a concern. This study assessed a bovine-derived topical hemostat (FastAct, FA) using a partial hepatectomy hemorrhage model in anticoagulated rats. Ninety rats were randomly assigned to receive preoperative heparin, warfarin, or nothing (n=30/treatment). Within each treatment group, FA, ...
Folkmann Janne K - - 2012
Exposure to nanosized particles may increase the risk of cardiovascular diseases by endothelial dysfunction, particularly in susceptible subjects with metabolic syndrome. We investigated vasomotor dysfunction in aorta from obese and lean Zucker rats after oral exposure to nanosized carbon black (CB). Rats were exposed to one or ten weekly doses ...
Samuel Preethi - - 2012
High sodium intake is known to regulate the renal renin-angiotensin system (RAS) and is a risk factor for the pathogenesis of obesity-related hypertension. The complex nature of the RAS reveals that its various components may have opposing effects on natriuresis and blood pressure regulation. We hypothesized that high sodium intake ...
Baranowski Maria - - 2012
BACKGROUND: Adipocyte dysfunction is characterized by an increase in adipocyte size and changes to their adipokine profiles. Immune cell infiltration into adipose tissue is thought to contribute to the metabolic complications of obesity, with local and systemic consequences for the inflammatory status of the obese individual. Dietary interventions with omega-3 ...
Han Lina - - 2012
AIMS: To determine whether exendin-4 might directly improve endothelial dysfunction in aorta isolated from high-fat diet-induced obese rats. METHODS: Wistar rats were randomly divided into control and obesity (OB) groups and fed. Vascular segments of obese rats were incubated in organ bath in the presence or absence of exendin-4. Nitric ...
Asanoma Masashi - - 2012
This study assessed the effects of soy protein isolate (SPI) on severe kidney damage in deoxycorticosterone acetate (DOCA)-salt-treated obese Zucker rats. These rats underwent heminephrectomy and were fed either casein or SPI diet for 12 weeks. From weeks 8 to 10 of the experiment, kidney damage was induced by biweekly ...
Zhang Yan - - 2012
We hypothesized that vitamin A (VA) status may affect obesity development. Male Zucker lean (ZL) and fatty (ZF) rats after weaning were fed a synthetic VA deficient (VAD) or VA sufficient (VAS) diet for 8 weeks before their plasma parameters and hepatic genes' expression were analyzed. The body mass (BM) ...
Karlen-Amarante Marlusa - - 2012
We aimed to examine the cardiovascular function by tonic and baroreflex alterations in obese rats induced by monosodium glutamate (MSG). Neonatal male Wistar rats were injected with MSG (4 mg/g body weight) or equimolar saline (control, C). At 90 days, all rats were anesthetized for catheterization of the femoral artery for ...
Kaji Noriyuki - - 2012
Plasma profiles of glucose, insulin and lipids were examined in the male WBN/Kob-Lepr(fa) (fa/fa) rat, a new model of type 2 diabetes (T2D), in comparison with age-matched original male WBN/Kob (lean) rats. The fa/fa rats developed hypertriglycemia, obesity and hyperglycemia from 5, 7, and 9 weeks of age, respectively. Plasma ...
Panchal Sunil K - - 2012
Metabolic syndrome is a risk factor for cardiovascular disease and nonalcoholic fatty liver disease (NAFLD). We investigated the responses to the flavonol, quercetin, in male Wistar rats (8-9 wk old) divided into 4 groups. Two groups were given either a corn starch-rich (C) or high-carbohydrate, high-fat (H) diet for 16 ...
Hakkak Reza - - 2012
Fatty liver is associated with obesity and breast cancer. We used an obese rat model of mammary cancer to examine whether hepatosteatosis is modifiable by diet and associated with altered expression of hepatic lipogenic enzyme genes, thyroid hormone system genes and cholesterol metabolism-related genes. Beginning at the age of 5 weeks, ...
Harris Ruth B S - - 2012
Rats offered chow, lard, and 30% sucrose solution (choice) rapidly become obese. We tested metabolic disturbances in rats offered choice, chow+lard, or chow+30% sucrose solution [chow+liquid sucrose (LS)] and compared them with rats fed a composite 60% kcal fat, 7% sucrose diet [high-fat diet (HFD)], or a 10% kcal fat, ...
Howitt Lauren - - 2012
Obesity is a risk factor for hypertension and other vascular disease. The aim of this study was to examine the effect of diet-induced obesity on endothelium-dependent dilation of rat cremaster muscle arterioles. Male Sprague-Dawley rats (213 ± 1 g) were fed a cafeteria-style high fat or control diet for 16-20 ...
Inoue Megumi - - 2012
Obesity is considered a systemic low-grade inflammatory state. Although the spleen is the main immune organ with a close anatomical relationship with the liver, its role in the progression of fatty liver disease remains uncertain. Therefore, we sought to clarify the functional role of the spleen in the development of ...
Martín M - - 2012
Sleeve gastrectomy (SG) has been used as a multipurpose surgical procedure for the treatment of morbid obesity. The aim of the study was to analyze gastric morphology and histology at two different time points after SG in rats. Thirty-five male Wistar rats were fed ad libitum during 3 months on ...
Chen Chih-Yen - - 2012
OBJECTIVE: The purpose of this study was to investigate the impact of intracerebroventricular (ICV) injection of the two endogenous forms of acyl ghrelin, O-n-octanoylated ghrelin and des-Gln(14)-ghrelin, on feeding behavior, as well as their interactions with insulin, obestatin, and corticotropin-releasing factor receptor (CRF-R) antagonist in the forebrain to influence food ...
Ratner Cecilia C Neurobiology Research Unit and Center for Integrated Molecular Brain Imaging, Copenhagen University Hospital, Rigshospitalet, Copenhagen, - - 2012
Food intake and body weight are regulated by a complex system of neural and hormonal signals, of which the anorexigenic neurotransmitter serotonin (5-hydroxytryptamine or 5-HT) is central. In this study, rat models of obesity and weight loss intervention were compared with regard to several 5-HT markers. Using receptor autoradiography, brain ...
McCully Belinda H - - 2012
Diet-induced obesity (DIO) attenuates the arterial cardiac baroreceptor reflex, but the mechanisms and sites of action are unknown. This study tested the hypothesis that DIO impairs central aortic baroreceptor pathways. Normal chow control (CON) and high-fat-chow obesity-resistant (OR) and obesity-prone (OP) rats were anesthetized (inactin, 120 mg/kg) and underwent sinoaortic ...
Lin Fang Chin - - 2012
In the present study, the effects of insulin and contraction on glycogen synthase (GS) kinetic properties and phosphorylation were investigated in epitrochlearis muscles from lean and obese Zucker rats. Total GS activity and protein expression were ~15% lower in epitrochlearis from obese rats compared with lean rats. Insulin-stimulated GS fractional ...
Fichtner Michael - - 2012
A novel series of spirocyclic derivatives was synthesized and evaluated as NPY Y5R antagonists for the treatment of obesity. Cis and trans analogs 7a and 8a were equipotent in a Y5R binding assay (K(i)'s⩽1nM) and displayed good stability in human and rat liver microsome preparations. Compound 7a failed to demonstrate ...
Sashidhara Koneni Venkata - - 2012
Hypolipidemic and anti-obesity effects of the newly synthesized indole based fibrates were evaluated in Triton WR-1339 and HFD induced hyperlipidemic rats respectively. Preliminary screening of all the synthesized compounds was done by using an acute model (Triton model), in which the compounds 3f and 3l showed significant antidyslipidemic activity. Furthermore, ...
Jubendradass R - - 2012
Nonylphenol (NP) is an environmental contaminant known to possess estrogenic properties. Humans are constantly exposed to NP by contaminated water and food products. In the present study we sought to investigate whether treatment with low doses of NP induces apoptosis in the liver of adult rats. Rats were administered with ...
Murase Tamayo - - 2012
Although recent clinical trials have found an increased incidence of cardiovascular disease in women on estrogen replacement therapy, the underlying mechanism remains unclear. We have recently characterized DahlS.Z-Lepr(fa)/Lepr(fa) (DS/obese) rats, derived from a cross between Dahl salt-sensitive and Zucker rats, as a new animal model of metabolic syndrome. We have ...
Davis Deborah D DD Women's Health Research Center, Department of Physiology, University of Mississippi Medical Center, Jackson, MS 39216-4505, - - 2012
Androgen levels are lower in obese men as compared with normal weight individuals. However, there are no safety data regarding the chronic use of androgen supplements in middle-aged men. The present study was undertaken to determine the cardiovascular and metabolic effects of chronic (10 weeks) testosterone treatment in male obese ...
Reimer Raylene A - - 2012
Leptin signaling deficient rodents have emerged as models of obesity/insulin resistance syndrome. Altered leptin signaling, however, can affect axial and appendicular bone geometrical properties differently, and, thus, we hypothesized that leptin-deficiency would differentially influence mechanical properties of vertebrae and tibiae compared to lean rats. Mature (9 mo) leptin receptor deficient obese ...
Reddy Paduru Yadagiri - - 2012
Obesity is a major public health problem worldwide, and of late, epidemiological studies indicate a preponderance of cataracts under obesity conditions. Although cataract is a multifactorial disorder and various biochemical mechanisms have been proposed, the influence of obesity on cataractogenesis has yet to be investigated. In such a scenario, a ...
Liu Won-Hsiung - - 2011
Receptor-interacting protein 140 (RIP140) is a corepressor for nuclear receptors with an important role in the inhibition of energy expenditure. Postmenopausal women have increased white adipose tissue (WAT), and excessive accumulation of adipose tissue (obesity) implies a health risk. The aim of the present work was to investigate the time ...
Palanisamy Nallasamy - - 2011
The study determines the effect of soy protein on inflammatory status and expression of nuclear factor-kappa B (NF-κB P(65)) and receptor for advanced glycation end products (RAGE) in a metabolic syndrome (MS) model. MS was induced in adult male rats by feeding them a high fructose diet (60 g/100 g ...
Xu Junying - - 2011
Background and Aim:  This study investigated the effects of peripheral administration of ghrelin and PYY(3-36) on food intake and plasma and tissue fasting and postprandial ghrelin and PYY(3-36) levels in normal-weight (NW) and diet-induced-obese (DIO) rats. Methods:  In experiment one, NW and DIO rats received a single intraperitoneal injection of ...
Harishankar Nemani - - 2011
We are maintaining two obese mutant rat strains (WNIN/Ob and WNIN/GR-Ob) in our animal facility since 1997. These rat colonies are perpetuated by crossing heterozygous littermates, since the obese phenotypes of both genders turned out be infertile. The present study revealed the reasons for this infertility. The male obese rats, ...
Hakkak Reza - - 2011
Obesity and elevated serum insulin growth factor-1 (IGF-1) level are major risk factors in the development of breast cancer. We investigated the long-term effects of high-isoflavone soy intake and obesity on 7,12-dimethylbenz(a)anthracene (DMBA)-induced mammary tumor development and on serum IGF-1 and binding protein (IGFBP-3) levels. Lean and obese female Zucker ...
Mingorance Carmen - - 2010
To investigate the effect of chronic cannabinoid 1 antagonism on vascular prostanoid production, obese Zucker rats were treated with rimonabant (10 mg/kg per day) during 20 weeks and then vascular and endothelial reactivity were assessed in aortic rings by analyzing response to phenylephrine and acetylcholine. The presence of cyclo-oxygenase-1 and ...
Holloway Graham P - - 2011
We aimed to determine whether an increased rate of long-chain fatty acid (LCFA) transport and/or a reduction in mitochondrial oxidation contributes to lipid deposition in hearts, as lipid accumulation within cardiac muscle has been associated with heart failure. In hearts of lean and obese Zucker rats we examined: (a) triacylglycerol ...
Chakrabarti Swarup K - - 2011
Central obesity is associated with low-grade inflammation that promotes type 2 diabetes and cardiovascular disease in obese individuals. The 12- and 5-lipoxygenase (12-LO and 5-LO) enzymes have been linked to inflammatory changes, leading to the development of atherosclerosis. 12-LO has also been linked recently to inflammation and insulin resistance in ...
Trevaskis James L - - 2010
In rodents, ovariectomy (OVX) elicits weight gain and diminished responsiveness to homeostatic signals. Here we characterized the response of obese OVX rats to peripheral amylin. Rats received sham surgery (SHAM), OVX, or OVX with hormonal replacement (17β-estradiol, 2 μg per 4 d; OVX+E) and were infused with vehicle or amylin ...
Giles Erin D ED Center for Human Nutrition, Univ. of Colorado Denver, 12800 East 19 Ave., Aurora, CO 80045, - - 2010
This study presents an in-depth analysis of the effects of obesity on energy balance (EB) and fuel utilization in adult female rats, over the estrous cycle and immediately after surgical ovariectomy (OVX), to model pre- and postmenopausal states, respectively. Female Wistar rats were fed a high-fat (46%) diet for 16 ...
Wang Xiaoyan X Bldg D, Rm 392, Georgetown Univ., 4000 Reservoir Rd NW, Washington, DC 20007, - - 2010
Dopamine produced by renal proximal tubules increases sodium excretion via a decrease in renal sodium reabsorption. Dopamine natriuresis is impaired in obese Zucker rats; however, the mechanism is not fully understood. To test the hypothesis that renal expression of one or more of the subtypes are altered in these rats, ...
Thanos Panayotis K - - 2010
Dopamine (DA) and the DA D2 receptor (D2R) are involved in the rewarding and conditioned responses to food and drug rewards. Osborne-Mendel (OM) rats are genetically prone and S5B/P rats are genetically resistant to obesity when fed a high-fat diet. We hypothesized that the differential sensitivity of these two rat ...
Fantini Noemi - - 2011
Several recent preliminary clinical studies have suggested that artichoke (Cynara scolymus L., Asteraceae family) preparations may be capable of lowering post-prandial glycemia. The present study was designed to test this hypothesis in laboratory rats. To this aim, non-selected Wistar and genetically obese Zucker rats were treated acutely with a purified ...
Stringer Danielle M - - 2010
The isomer-specific effects of conjugated linoleic acid (CLA) on hepatic steatosis were assessed in fa/fa Zucker rats, a model for insulin resistance and the metabolic syndrome. Eight weeks of feeding trans-10,cis-12 CLA significantly improved glucose tolerance without changing body weight or visceral adipose mass. The trans-10,cis-12 isomer was also associated ...
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