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https://www.readbyqxmd.com/read/28226322/chronic-administration-of-rosa-canina-hydro-alcoholic-extract-attenuates-depressive-like-behavior-and-recognition-memory-impairment-in-diabetic-mice-a-possible-role-of-oxidative-stress
#1
Ramin Farajpour, Saeed Sadigh-Eteghad, Nahid Ahmadian, Mohammad Farzipour, Javad Mahmoudi, Alireza Majdi
OBJECTIVE: This study was designed to evaluate whether or not chronic Rosa Canina (RC) extract administration could improve recognition memory and depressive-like behaviour in diabetic mice. MATERIALS AND METHODS: Seventy-five (75) male Albino mice (25-30 g) were randomly divided into five groups (15 in each group). A single intraperitoneal (ip) injection of 200 mg/kg streptozotocin (STZ) was administered to the mice to induce diabetes. The control group received normal saline, and the diabetic groups received normal saline or 50, 250 and 500 mg/kg of RC extract for 28 days...
February 22, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28225851/effect-of-bauhinia-holophylla-treatment-in-streptozotocin-induced-diabetic-rats
#2
Marcelo S Pinheiro, Luhara S Rodrigues, Leila S, Rafaianne Q Moraes-Souza, Thaigra S Soares, Madileine F Américo, Kleber E Campos, Débora C Damasceno, Gustavo T Volpato
Bauhinia holophylla, commonly known as "cow's hoof", is widely used in Brazilian folk medicine for the diabetes treatment. Therefore, the aim of this study was at evaluating the aqueous extract effect of Bauhinia holophylla leaves treatment on the streptozotocin-induced diabetic rats. Diabetes was induced by Streptozotocin (40 mg/Kg) in female Wistar rats. Oral administration of aqueous extract of Bauhinia holophylla leaves was given to non-diabetic and diabetic rats at a dose of 400 mg/kg during 21 days. On day 17 of treatment, the Oral Glucose Tolerance Test was performed to determine the area under the curve...
February 16, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28225809/the-renal-consequences-of-maternal-obesity-in-offspring-are-overwhelmed-by-postnatal-high-fat-diet
#3
Sarah J Glastras, Hui Chen, Michael Tsang, Rachel Teh, Rachel T McGrath, Amgad Zaky, Jason Chen, Muh Geot Wong, Carol A Pollock, Sonia Saad
AIMS/HYPOTHESIS: Developmental programming induced by maternal obesity influences the development of chronic disease in offspring. In the present study, we aimed to determine whether maternal obesity exaggerates obesity-related kidney disease. METHODS: Female C57BL/6 mice were fed high-fat diet (HFD) for six weeks prior to mating, during gestation and lactation. Male offspring were weaned to normal chow or HFD. At postnatal Week 8, HFD-fed offspring were administered one dose streptozotocin (STZ, 100 mg/kg i...
2017: PloS One
https://www.readbyqxmd.com/read/28225569/hepatic-alanine-differentiates-nonalcoholic-steatohepatitis-from-simple-steatosis-in-humans-and-mice-a-proton-mr-spectroscopy-study-with-long-echo-time
#4
Tae-Hoon Kim, Hong Young Jun, Ki-Jong Kim, Young Hwan Lee, Myeung Su Lee, Keum Ha Choi, Ki Jung Yun, Yong Yeon Jeong, Chung Hwan Jun, Eun Young Cho, Kwon-Ha Yoon
PURPOSE: To evaluate the hepatic metabolic alterations in nonalcoholic fatty liver disease (NAFLD) by using (1) H-MRS (proton magnetic resonance spectroscopy) with long echo time and to test the reproducibility of human study in an animal model. Liver biopsy is the gold standard for diagnosing NAFLD but with practical constraints. (1) H-MRS allows in vivo assessment of hepatocellular metabolism and has shown potential for biochemical differentiation in diffuse liver disease. MATERIALS AND METHODS: In all, 32 subjects (11 patients with nonalcoholic steatohepatitis [NASH], 15 with simple steatosis [SS], and six healthy controls) were studied...
February 22, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28225103/beneficial-effects-of-lycium-barbarum-polysaccharide-on-spermatogenesis-by-improving-antioxidant-activity-and-inhibiting-apoptosis-in-streptozotocin-induced-diabetic-male-mice
#5
Guang-Jiang Shi, Jie Zheng, Jing Wu, Hai-Qi Qiao, Qing Chang, Yang Niu, Tao Sun, Yu-Xiang Li, Jian-Qiang Yu
Spermatogenic dysfunction is one of the major secondary complications of diabetes. L. barbarum polysaccharide (LBP) has long been considered to possess anti-apoptotic activities and antioxidant, anti-inflammatory and fertility-enhancing properties in traditional medical practices in China. The aim of the current study was to seek out scientific evidence to determine if LBP also contributes to the recovery from spermatogenic dysfunction in diabetic individuals. We investigated whether the oral administration of LBP in streptozotocin (STZ)-induced type-1 diabetic male mice would reverse spermatogenic dysfunction and improve histological damage in testes...
February 22, 2017: Food & Function
https://www.readbyqxmd.com/read/28224697/antioxidant-treatment-ameliorates-diabetes-induced-dysfunction-of-the-vas-deferens-in-a-rat-model
#6
P Tsounapi, M Honda, F Dimitriadis, S Shimizu, T Shiomi, K Hikita, M Saito, S Tomita, N Sofikitis, A Takenaka
Diabetes mellitus (DM) affects the male ejaculatory function. This study was designed to evaluate the role of oxidative stress in the development of diabetes-induced dysfunction of vas deferens (VD) in the rat. DM was induced by streptozotocin in 40 male Wistar rats. Subsequently, the diabetic animals were divided into three groups: DM group, DM + Eda group and DM + Tau group. These groups were administered saline, edaravone and taurine, respectively, daily for 4 weeks. Another group of ten rats served as a control group...
February 22, 2017: Andrologia
https://www.readbyqxmd.com/read/28224432/effect-of-triptolide-on-expression-of-oxidative-carbonyl-protein-in-renal-cortex-of-rats-with-diabetic-nephropathy
#7
Xing-Gang Dong, Zeng-Mei An, Yuan Guo, Jia-Liang Zhou, Tao Qin
The traditional Chinese medicine (Tripterygium wilfordiiHook.f., TWH) has been clinically used to treat primary and secondary renal diseases and proteinuria for nearly 40 years. However, there is a rare literature about the effect of triptolide (the main active ingredient of TWH) on the expression of oxidative carbonyl protein (OCP) in diabetic nephropathy (DN). This study aimed to provide experimental evidence for triptolide treatment on DN through its effect on the expression of OCP, in order to investigate the effects of triptolide on the expression of OCP in rats with DN...
February 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28224182/parp-inhibition-ameliorates-nephropathy-in-an-animal-model-of-type-2-diabetes-focus-on-oxidative-stress-inflammation-and-fibrosis
#8
Esraa M Zakaria, Nabila N El-Maraghy, Ahmed F Ahmed, Abdelmonim A Ali, Hany M El-Bassossy
Poly(ADP-ribose) polymerase (PARP) enzyme contributes to nephropathy, a serious diabetic complication which may lead to end-stage renal disease. The study aims to investigate the effect of PARP over-activation on kidney functions in a type 2 diabetic rat model. The study also tests the therapeutic use of PARP inhibitors in diabetic nephropathy. Type 2 diabetes was induced in adult male rats by high-fructose/high-fat diet and low streptozotocin dose. Then, the PARP inhibitor 4-aminobenzamide (4-AB) was administered daily for 10 weeks...
February 21, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28223777/phloretin-exerts-hypoglycemic-effect-in-streptozotocin-induced-diabetic-rats-and-improves-insulin-resistance-in-vitro
#9
Xin Shen, Nan Zhou, Le Mi, Zishuo Hu, Libin Wang, Xueying Liu, Shengyong Zhang
The present study investigated the possible antiobesity and hypoglycemic effects of phloretin (Ph). In an attempt to discover the hypoglycemic effect and potential mechanism of Ph, we used the streptozotocin-induced diabetic rats and (L6) myotubes. Daily oral treatment with Ph for 4 weeks significantly (P<0.05) reduced postprandial blood glucose and improved islet injury and lipid metabolism. Glucose consumption and glucose tolerance were improved by Ph via GOD-POD method. Western blot results revealed that the expression of Akt, PI3K, IRS-1, and GLUT4 were upregulated in skeletal muscle of type 2 diabetes (T2D) rats and in L6 myotubes by Ph...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28222445/blocking-il-17a-alleviates-diabetic-retinopathy-in-rodents
#10
Ao-Wang Qiu, Qing-Huai Liu, Jun-Ling Wang
BACKGROUND/AIMS: Interleukin (IL)-17A, a proinflammatory cytokine, has been implicated in several autoimmune diseases. However, it is unclear whether IL-17A is involved in diabetic retinopathy (DR), one of the most serious complications of autoimmune diabetes. This study aimed to demonstrate that IL-17A exacerbates DR by affecting retinal Müller cell function. METHODS: High glucose (HG)-treated rat Müller cell line (rMC-1) was exposed to IL-17A, anti-IL-17A-neutralizing monoclonal antibody (mAb) or/and anti-IL-17 receptor (R)A-neutralizing mAb for 24 h...
February 21, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28222394/pancreatoprotective-effects-of-geniotrigona-thoracica-stingless-bee-honey-in-streptozotocin-nicotinamide-induced-male-diabetic-rats
#11
Muhammad Shakir Abdul Aziz, Nelli Giribabu, Pasupuleti Visweswara Rao, Naguib Salleh
: Stingless bee honey (SLBH) has been claimed to possess multiple health benefits. Its anti-diabetic properties are however unknown. In this study, ability of SLBH from Geniotrigona thoracica stingless bee species in ameliorating pancreatic damage and in maintaining metabolic profiles were investigated in diabetic condition. METHODS: SLBH at 1 and 2g/kg/b.w. was given orally to streptozotocin (STZ)-nicotinamide-induced male diabetic rats for 28days. Metabolic parameters (fasting blood glucose-FBG and lipid profiles-LP and serum insulin) were measured by biochemical assays...
February 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28220624/cardio-protective-effects-of-pectin-insulin-patch-in-streptozotocin-induced-diabetic-rats-beneficial-effects-of-insulin-patch
#12
Ntethelelo Sibiya, Phikelelani Ngubane, Musa Mabandla
PURPOSE: Cardiovascular complications are amongst the leading causes of morbidity and mortality in diabetes mellitus. Despite the beneficial effects of subcutaneous insulin administration, reports suggest that the therapy itself precipitates cardiovascular risks due to the high insulin concentration administered. It is therefore necessary to seek alternative insulin administration routes that may bypass the undesirable effects associated with high plasma insulin concentration. Accordingly, the study investigated the effect of a novel transdermal pectin-insulin patch on selected cardiovascular function markers in diabetes...
February 20, 2017: Journal of Diabetes
https://www.readbyqxmd.com/read/28220495/influence-of-hyperglycemia-on-liver-inflammatory-conditions-in-the-early-phase-of-non-alcoholic-fatty-liver-disease-in-mice
#13
Shinichi Harada, Kei Miyagi, Tokio Obata, Yasuko Morimoto, Kazuo Nakamoto, Ke Ih Kim, Soo Ki Kim, Soo Ryang Kim, Shogo Tokuyama
OBJECTIVES: A non-alcoholic fatty liver disease (NAFLD) has high prevalence and now important issue of public health. In general, there exists strong interaction between NAFLD and diabetes, but the detailed mechanism is unclear. In this study, we determined the effects of hyperglycemia on progression in the early phase of NAFLD in mice. METHODS: Male ddY mice were fed a choline-deficient, l-amino acid-defined, high-fat diet (CDAHFD) consisting of 60% of kcal from fat and 0...
February 21, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28219252/a-phlorotannin-constituent-of-ecklonia-cava-alleviates-postprandial-hyperglycemia-in-diabetic-mice
#14
Hyun-Ah Lee, Ji-Hyeok Lee, Ji-Sook Han
CONTEXT: 2,7″-Phloroglucinol-6,6'-bieckol is a type of phlorotannin isolated from brown algae, Ecklonia cava Kjellman (Phaeophyceae; Laminareaceae). 2,7″-Phloroglucinol-6,6'-bieckol mediates antioxidant activities. However, there has been no research on improving postprandial hyperglycaemia using 2,7″-phloroglucinol-6,6'-bieckol. OBJECTIVE: This study investigated the inhibitory effects of 2,7″-phloroglucinol-6,6'-bieckol on activities of α-glucosidase and α-amylase as well as its alleviating effect on postprandial hyperglycaemia in streptozotocin-induced diabetic mice...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28218955/antihyperglycemiac-action-of-diosmin-a-citrus-flavonoid-is-induced-through-endogenous-%C3%AE-endorphin-in-type-i-like-diabetic-rats
#15
Chia-Chen Hsu, Mang Hung Lin, Juei Tang Cheng, Ming Chang Wu
Diosmin is one of the flavonoids contained in citrus and has been demonstrated to improve glucose metabolism in diabetic disorders. However, the mechanism(s) of diosmin in glucose regulation remain obscure. Therefore, we investigated the potential mechanism(s) for the antihyperglycemic action of diosmin in streptozotocin-induced diabetic rats (STZ-diabetic rats). Diosmin lowered hyperglycemia in a dose-dependent manner in STZ-diabetic rats. This action was inhibited by naloxone at a dose sufficient to block opioid receptors...
February 20, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28216594/anti-hyperglycemic-activity-of-major-compounds-from-calea-ternifolia
#16
Sonia Escandón-Rivera, Araceli Pérez-Vásquez, Andrés Navarrete, Mariana Hernández, Edelmira Linares, Robert Bye, Rachel Mata
Demethylisoencecalin (1) and caleins A (4) and C (5) (3.16-31.6 mg/kg, p.o.), the major components from an infusion of Calea ternifolia controlled postprandial glucose levels during an oral sucrose tolerance test (OSTT, 3 g/kg) in normal and nicotinamide/streptozotocin (NA/STZ, 40/100 mg/kg) hyperglicemic mice. The effects were comparable to those of acarbose (5 mg/kg). During the isolation of 1, 4, and 5, four additional metabolites not previously reported for the plant, were obtained, namely 6-acetyl-5-hydroxy-2-methyl-2-hydroxymethyl-2H-chromene (3), herniarin (6), scoparone (7), and 4',7-dimethylapigenin (8)...
February 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28216548/hyperglycemia-aggravates-decreases-of-pea-15-and-its-two-phosphorylated-forms-in-cerebral-ischemia
#17
Jin-Hee Sung, Phil-Ok Koh
Diabetes is a metabolic health disorder and an important risk factor for stroke. Phosphoprotein enriched in astrocytes 15 (PEA-15) is a multifunctional protein modulating cell proliferation, survival, apoptosis and glucose metabolism. This study investigated whether diabetes modulates the expression of PEA-15 and two phosphorylated forms (Ser 104 and Ser 116) in middle cerebral artery occlusion (MCAO)-induced brain injury. Male Sprague-Dawley rats were administrated with streptozotocin (40 mg/kg) and were underwent right middle cerebral artery occlusion (MCAO) 4 weeks after streptozotocin injection...
February 17, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28216152/1-25-dihydroxyvitamin-d3-prevents-the-development-of-diabetic-cardiomyopathy-in-type-1-diabetic-rats-by-enhancing-autophagy-via-inhibiting-the-%C3%AE-catenin-tcf4-gsk-3%C3%AE-mtor-pathway
#18
Huili Wei, Hua Qu, Hang Wang, Baolan Ji, Yao Ding, Dan Liu, Yang Duan, Huimin Liang, Chuan Peng, Xiaoqiu Xiao, Huacong Deng
Diabetic cardiomyopathy (DCM) can increase the risk of heart failure and death in diabetic patients. However, no effective approaches are available to prevent its progression and development. Studies have shown that vitamin D is greatly implicated in cardiac hypertrophy and fibrosis, and there is a high prevalence of vitamin D deficiency in diabetic patients. In this study, we investigated whether 1,25-Dihydroxyvitamin-D3 (1,25D3) can improve DCM through a vitamin D receptor (VDR)-dependent mechanism associated with autophagy and the β-catenin/T-cell factor/lymphoid enhancer factor (TCF4)/glycogen synthase kinase-3β (GSK-3β)/mammalian target of rapamycin (mTOR) pathway...
February 16, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28216051/morin-activates-the-nrf2-are-pathway-and-reduces-oxidative-stress-induced-dna-damage-in-pancreatic-beta-cells
#19
Pachamuthu Vanitha, S Senthil Kumar, Sireesh Dornadula, S Anantha Kumar, Palanisamy Rajaguru, Kunka Mohanram Ramkumar
Oxidative stress is an important factor contributing to the pathogenesis of diabetes and its complications. In our earlier study, we demonstrated the antidiabetic efficacy of morin by regulating key enzymes of carbohydrate metabolism in diabetic rats. The present study was designed to assess the antigenotoxic potential of morin in pancreatic β-cells, using the COMET assay. To explore its potential mechanisms of action, three genotoxic agents, H2O2 which induces DNA damage by the generation of reactive oxygen species, streptozotocin (STZ) by RNS and Methyl methanesulfonate (MMS) by DNA alkylation was used...
February 16, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28214972/avocado-oil-induces-long-term-alleviation-of-oxidative-damage-in-kidney-mitochondria-from-type-2-diabetic-rats-by-improving-glutathione-status
#20
Omar Ortiz-Avila, María Del Consuelo Figueroa-García, Claudia Isabel García-Berumen, Elizabeth Calderón-Cortés, Jorge A Mejía-Barajas, Alain R Rodriguez-Orozco, Ricardo Mejía-Zepeda, Alfredo Saavedra-Molina, Christian Cortés-Rojo
Hyperglycemia and mitochondrial ROS overproduction have been identified as key factors involved in the development of diabetic nephropathy. This has encouraged the search for strategies decreasing glucose levels and long-term improvement of redox status of glutathione, the main antioxidant counteracting mitochondrial damage. Previously, we have shown that avocado oil improves redox status of glutathione in liver and brain mitochondria from streptozotocin-induced diabetic rats; however, the long-term effects of avocado oil and its hypoglycemic effect cannot be evaluated because this model displays low survival and insulin depletion...
February 18, 2017: Journal of Bioenergetics and Biomembranes
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