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Beta-alanine and rats

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https://www.readbyqxmd.com/read/29050942/low-dose-administration-of-bisphenol-a-induces-liver-toxicity-in-adult-rats
#1
Sohrab Kazemi, Seydeh Narges Mousavi Kani, Leyla Rezazadeh, Mahdi Pouramir, Maryam Ghasemi-Kasman, Ali Akbar Moghadamnia
BACKGROUND: Bisphenol A (BPA) is one of the most widely used chemicals, often used in epoxy resins, health products and colors. This study aims to investigate the effect of various doses of BPA on hepatotoxicity in rats. METHOD: This experimental study was conducted using 20 male adult Wistar rats older than 2 months weighing 150-200 g. (5, 25 and 125 μg/kg) BPA was administered by gavage for 35 consecutive days. The animals were weighed at the beginning and the end of the experiment...
December 9, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29018486/serum-and-liver-tissue-metabonomic-study-on-fatty-liver-in-rats-induced-by-high-fat-diet-and-intervention-effects-of-traditional-chinese-medicine-qushi-huayu-decoction
#2
Xiao-Jun Gou, Qin Feng, Lin-Lin Fan, Jian Zhu, Yi-Yang Hu
Qushi Huayu Decoction (QSHY), clinically derived, consists of five crude drugs, commonly used in treating fatty liver in a clinical setting. However, little is known about its metabolomics study. Herein, the serum and liver tissue metabolomics approach, based on gas chromatography coupled to spectrometry (GC/MS), was employed to evaluate the efficacy and the mechanism underlying QSHY in a rat model of high-fat diet-induced fatty liver. With pattern recognition analysis of serum and liver tissue metabolite profile, a clear separation of model group and control group was acquired for serum and liver tissue samples, respectively...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28737969/high-hydrostatic-pressure-extract-of-ginger-exerts-antistress-effects-in-immobilization-stressed-rats
#3
Sohee Moon, Mak-Soon Lee, Sunyoon Jung, Bori Kang, Seog-Young Kim, Seonyoung Park, Hye-Yeon Son, Chong-Tai Kim, Young-Hee Jo, In-Hwan Kim, Young Soon Kim, Yangha Kim
Stress contributes to physiological changes such as weight loss and hormonal imbalances. The aim of the present study was to investigate antistress effects of high hydrostatic pressure extract of ginger (HPG) in immobilization-stressed rats. Male Sprague-Dawley rats (n = 24) were divided into three groups as follows: control (C), immobilization stress (2 h daily, for 2 weeks) (S), and immobilization stress (2 h daily, for 2 weeks) plus oral administration of HPG (150 mg/kg body weight/day) (S+G). Immobilization stress reduced the body weight gain and thymus weight by 50...
September 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28548620/baicalein-exerts-beneficial-effects-in-d-galactose-induced-aging-rats-through-attenuation-of-inflammation-and-metabolic-dysfunction
#4
Dan-Dan Duan, Ke-Xin Wang, Yu-Zhi Zhou, Xue-Mei Qin, Li Gao, Guan-Hua Du
Baicalein is a flavonoid isolated from the roots of Scutellaria baicalensis Georgi. This study aimed to ascertain the effects and potential underlying mechanisms of baicalein in d-galactose (d-gal)-induced aging rat model by integration of behavior examination, biochemical detection, and (1)H nuclear magnetic resonance (NMR)-based metabolomic approach. Our findings suggest that baicalein significantly attenuated memory decline in d-gal-induced aging model, as manifested by increasing recognition index in novel object recognition test, shortening latency time, and increasing platform crossings in Morris water maze test...
November 8, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28448086/effects-of-running-wheel-activity-and-dietary-hmb-and-%C3%AE-alanine-co-supplementation-on-muscle-quality-in-aged-male-rats
#5
D W Russ, C Acksel, K W McCorkle, N K Edens, S M Garvey
OBJECTIVE: Loss of skeletal muscle function is linked to increased risk for loss of health and independence in older adults. Dietary interventions that can enhance aging muscle function, alone or in combination with exercise, may offer an effective way to reduce these risks. The goal of this study was to evaluate the muscular effects of beta-hydroxy-beta-methylbutyrate (HMB) and beta-alanine (β-Ala) co-supplementation in aged Sprague-Dawley rats with voluntary access to running wheels (RW)...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28420467/-study-of-plasma-amino-acid-related-metabolites-of-septic-rats-using-gas-chromatography-mass-spectrometry
#6
Jin Su, Yimin Zhu, Yu Jiang, Lianhong Zou, Xiaoliang Liu, Yixiao Xu
OBJECTIVE: To reveal the pathophysiological changes of sepsis, the plasma metabonomics of septic rats was determined and differential metabolites were determined by gas chromatography-mass spectrometry (GC-MS). METHODS: Male Spraguee-Dawley (SD) rats about 8 weeks were randomly divided into sham group (n = 18) and sepsis group (n = 24). Cecal ligation and puncture (CLP) was used to build sepsis model, while cecum was kept intact only in the sham group. 6 hours after the operation, rats were anesthetized, and blood was harvested through heart thoracotomy...
April 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28411054/salidroside-protects-rat-liver-against-ischemia-reperfusion-injury-by-regulating-the-gsk-3%C3%AE-nrf2-dependent-antioxidant-response-and-mitochondrial-permeability-transition
#7
Linlin Cai, Yonghua Li, Qingqing Zhang, Haijing Sun, Xiaodi Yan, Tong Hua, Qiufeng Zhu, Haitao Xu, Hailong Fu
Salidroside (Sal) is a natural antioxidant that elicits cardioprotective and neuroprotective effects in vivo and in vitro; however, its impact on hepatic ischemia/reperfusion (I/R) injury remains unclear. The purpose of this study was to investigate the hepatoprotective effects of salidroside against segmental (70%) warm hepatic I/R injury in rats. Animals were randomized into Sham, Sham+salidroside pretreatment (Sal), Sham+Sal+carboxyatractyloside (CATR), Sham+CATR, I/R, I/R+Sal, I/R+Sal+CATR and I/R+CATR groups...
April 12, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28250654/insulin-plant-costus-pictus-extract-restores-thyroid-hormone-levels-in-experimental-hypothyroidism
#8
S Ashwini, Zachariah Bobby, M G Sridhar, C C Cleetus
BACKGROUND: The aim of the present study was to investigate the preventive effect of Costus pictus leaf extract in experimental hypothyroidism. MATERIALS AND METHODS: Forty male Wistar rats were randomly divided into four groups with ten rats in each group: Control (C), hypothyroid (H), control+extract (C+E), and hypothyroid+extract (H+E). Rats in C group did not receive any intervention throughout the experimental period. The rats in the C+E and H+E groups received pretreatment with C...
January 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/28069397/influence-of-neuropeptide-y-and-pancreatic-polypeptide-on-islet-function-and-beta-cell-survival
#9
Dawood Khan, Srividya Vasu, R Charlotte Moffett, Nigel Irwin, Peter R Flatt
BACKGROUND: In the present study we assessed the impact of neuropeptide Y receptor (NPYR) modulators, neuropeptide Y (NPY) and pancreatic polypeptide (PP), on islet function and beta-cell survival. METHODS: The effects of NPY and PP on beta-cell function were examined in BRIN BD11 and 1.1B4 beta-cells, as well as isolated mouse islets. Involvement of both peptides in pancreatic islet adaptations to streptozotocin and hydrocortisone, as well as effects on beta-cell proliferation and apoptosis was also evaluated...
April 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27889753/renal-denervation-attenuates-multi-organ-fibrosis-and-improves-vascular-remodeling-in-rats-with-transverse-aortic-constriction-induced-cardiomyopathy
#10
Kai Wang, Dasheng Lu, Bin Zhang, Shengchan Wang, Qian Liu, Qi Zhang, Jie Geng, Qijun Shan
BACKGROUND/AIMS: To investigate the effects of renal denervation (RDN) on multi-organ fibrosis and vascular remodeling in cardiomyopathy. METHODS: Thirty-six male Sprague-Dawley rats underwent transverse aortic constriction (TAC). Five weeks later, 28 surviving TAC rats were randomly assigned to three groups: (1) RDN, (2) Sham, (3) Carvedilol. Six male Sham TAC rats served as the Control. Ten weeks after TAC, samples were collected. RESULTS: TAC rats showed an increased diastolic interventricular septal thickness at week 5...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27829813/olanzapine-induced-biochemical-and-histopathological-changes-after-its-chronic-administration-in-rats
#11
Rehmat Shah, Fazal Subhan, Gowhar Ali, Ihsan Ullah, Sami Ullah, Muhammad Shahid, Nisar Ahmad, Khwaja Fawad
Objective: Olanzapine is a second generation antipsychotic acting mainly as a dopamine D2 and serotonine 5-HT2 receptors antagonist prescribed in the treatment of schizophrenia and various other psychiatric illnesses. Even though olanzapine is widely used in psychiatry, its effects on the architecture of pancreas, liver and kidneys are little known. The histology of pancreas especially has never been studied. For these reasons, the current study was designed to elucidate the toxic effects of chronic administration of olanzapine on pancreas, liver and kidneys and the enzymes released by these tissues in an escalating dose manner...
November 2016: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/27793418/omega-3-fatty-acids-decreases-oxidative-stress-tumor-necrosis-factor-alpha-and-interleukin-1-beta-in-hyperthyroidism-induced-hepatic-dysfunction-rat-model
#12
Asmaa M S Gomaa, Ebtihal A Abd El-Aziz
Hyperthyroidism is associated with abnormalities of the liver. Omega-3 polyunsaturated fatty acids, especially their long-chain forms: eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) have beneficial health effects. The objectives of the present study were to assess hyperthyroidism-induced hepatic dysfunction in adult male rats and to evaluate the ameliorative effects of omega-3 on hyperthyroidism-induced hepatic dysfunction and the underlying mechanisms. Twenty four adult male rats were randomly divided into three equal groups; control group which received water for 6 weeks, hyperthyroid group which received L-thyroxine orally for 6 weeks and hyperthyroid omega-3 treated group which received L-thyroxine for 2 weeks and then co-treated with L-thyroxine and omega-3 oral compound containing 18% of EPA and 12% of DHA for 4 weeks...
December 2016: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/27754152/os-29-04-sympathetic-nervous-system-regulation-of-the-renal-ncc-and-blood-pressure-during-high-dietary-salt-intake
#13
Richard Wainford, Kathryn Walsh
OBJECTIVE: These studies tested the hypothesis that the SNS release of norepinephrine modulates NCC activity via a WNK1 mechanism to contribute to the pathophysiology of salt-sensitive hypertension in rats. DESIGN AND METHOD: Male Sprague-Dawley (SD) rats receiving a continuous s.c. saline or NE (600 ng/min) infusion or naïve Dahl Salt-Resistant (DSR) and Dahl Salt-Sensitive (DSS) rats were fed a 0.6% (NS) or 8% NaCl (HS) diet for 14 or 21 days respectively (N = 6/group)...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27664884/effects-of-myrtus-communis-extract-treatment-in-bile-duct-ligated-rats
#14
Ali Sen, Sevil Ozkan, Kafiye Recebova, Ozge Cevik, Feriha Ercan, Elif Kervancıoglu Demirci, Leyla Bitis, Goksel Sener
BACKGROUND: The aim of our study was to investigate the antifibrotic and antioxidant effects of Myrtus communis subsp. communis (MC) extract against liver injury and fibrosis occurring in rats with biliary obstruction. MATERIALS AND METHODS: The rats were randomized into four groups (n = 8). Control group (C), MC-administrated group (MC), the bile duct ligation (BDL), and BDL + MC groups. MC was administered at a dose of 50 mg/kg a day orally for 28 days. In blood samples, total bilirubin, direct bilirubin, alanine aminotransferase, aspartate aminotransferase levels, tumor necrosis factor-α, and interleukin-1β measurement were measured...
October 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27643082/os-29-04-sympathetic-nervous-system-regulation-of-the-renal-ncc-and-blood-pressure-during-high-dietary-salt-intake
#15
Richard Wainford, Kathryn Walsh
OBJECTIVE: These studies tested the hypothesis that the SNS release of norepinephrine modulates NCC activity via a WNK1 mechanism to contribute to the pathophysiology of salt-sensitive hypertension in rats. DESIGN AND METHOD: Male Sprague-Dawley (SD) rats receiving a continuous s.c. saline or NE (600 ng/min) infusion or naïve Dahl Salt-Resistant (DSR) and Dahl Salt-Sensitive (DSS) rats were fed a 0.6% (NS) or 8% NaCl (HS) diet for 14 or 21 days respectively (N = 6/group)...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27633729/anti-hepatic-fibrosis-effects-of-a-novel-turtle-shell-decoction-by-inhibiting-hepatic-stellate-cell-proliferation-and-blocking-tgf-%C3%AE-1-smad-signaling-pathway-in-rats
#16
Ganping Bai, Guohe Yan, Guojian Wang, Ping Wan, Ronghua Zhang
Hepatic fibrosis (HF), a wound-healing response to a variety of chronic stimuli, is characterized by the excessive synthesis of extracellular matrix (ECM) proteins by hepatic stellate cells (HSC) and eventually the development of hepatic cirrhosis. Turtle shell pill (TSP) is a common traditional Chinese medicine used for preventing and treating HF and early hepatic cirrhosis, but its side-effects and the shortage of ingredients limit its clinical application. In addition, its mechanism of action is not clear...
November 2016: Oncology Reports
https://www.readbyqxmd.com/read/27563222/protective-effects-of-silymarin-alone-or-in-combination-with-chlorogenic-acid-and-or-melatonin-against-carbon-tetrachloride-induced-hepatotoxicity
#17
Nouf Al-Rasheed, Laila Faddah, Nawal Al-Rasheed, Yieldez A Bassiouni, Iman H Hasan, Ayman M Mahmoud, Raeesa A Mohamad, Hazar I Yacoub
OBJECTIVE: The aim of this study was to evaluate the hepatoprotective effects of silymarin (SIL), alone and combined with chlorogenic acid (CA) and/or melatonin (ME), using a rat model of carbon tetrachloride (CCl4)-induced injury. MATERIALS AND METHODS: Hepatotoxicity was induced by a single dose of CCl4 (1 ml/kg, IP). One day after, rats were received SIL (200 mg/kg) alone or in combination with CA (60 mg/kg) and/or ME (20 mg/kg) for 21 days. RESULTS: SIL significantly decreased serum alanine aminotransferase, inflammatory cytokines, and vascular endothelial growth factor levels...
May 2016: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/27471884/attenuation-of-carbon-tetrachloride-induced-hepatic-toxicity-by-a-dietary-supplement
#18
Zhiqiang Zheng, Richard W Gelling
Advanced liver disease (ALD) is often characterized with overt malnutrition and liver fibrosis. In this study, a dietary supplement (DS) was first developed, including branch chain amino acids, fat soluble vitamins, zinc, medium chain triglycerides, soy lecithin, L-carnitine, and n-3 polyunsaturated fatty acids. Benefits of DS were then tested using an ALD rat model treated with carbon tetrachloride (CCl4) for 6, 8, and 10 weeks, respectively. Our study showed that CCl4-induced drop of serum albumin and ratio of branch chain to aromatic amino acids were significantly prevented at all three time points...
March 4, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/27459811/-change-in-plasma-nesfatin-1-concentration-within-high-fat-diet-induced-nonalcoholic-fatty-liver-disease-rat-models
#19
Rui Wu, Zheng Chen, Yayun Xu, Jinfang Ge, Xiongwen Lü
OBJECTIVE: To investigate the change of plasma nesfatin-1 concentration in a nonalcoholic fatty liver disease rat model induced by high-fat diet, and explore its effect on the dysfunction of glucose and lipid metabolism. METHODS: The nonalcoholic fatty liver disease rat model was established through introduction of a high-fat diet, and four weeks later, the intraperitoneal glucose tolerance test was conducted. Serum concentrations of alanine aminotransferase (ALT), aspartate aminotransferase (AST), total bilirubin (TBIL), direct bilirubin (DBIL), indirect bilirubin (IBIL), total cholesterol (TC) triglyceride (TG), high density lipoprotein cholesterol (HDL-C), and low density lipoprotein cholesterol (LDL-C) were detected using chemiluminescence technique...
May 2016: Wei Sheng Yan Jiu, Journal of Hygiene Research
https://www.readbyqxmd.com/read/27399769/total-flavonoids-from-rosa-laevigata-michx-fruit-ameliorates-hepatic-ischemia-reperfusion-injury-through-inhibition-of-oxidative-stress-and-inflammation-in-rats
#20
Xufeng Tao, Xiance Sun, Lina Xu, Lianhong Yin, Xu Han, Yan Qi, Youwei Xu, Yanyan Zhao, Changyuan Wang, Jinyong Peng
The effects of total flavonoids (TFs) from Rosa laevigata Michx fruit against liver damage and cerebral ischemia/reperfusion (I/R) injury have been reported, but its action on hepatic I/R injury remains unknown. In this work, the effects and possible mechanisms of TFs against hepatic I/R injury were examined using a 70% partial hepatic warm ischemia rat model. The results demonstrated TFs decreased serum aspartate transaminase (AST), alanine aminotransferase (ALT), myeloperoxidase (MPO), and lactate dehydrogenase (LDH) activities, improved liver histopathology and ultrastructure through hematoxylin-eosin (HE) staining and electron microscope observation...
July 8, 2016: Nutrients
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