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https://www.readbyqxmd.com/read/28375162/the-protective-effect-of-apigenin-on-myocardial-injury-in-diabetic-rats-mediating-activation-of-the-ppar-%C3%AE-pathway
#1
Umesh B Mahajan, Govind Chandrayan, Chandragouda R Patil, Dharamvir Singh Arya, Kapil Suchal, Yogeeta O Agrawal, Shreesh Ojha, Sameer N Goyal
We substantiated the role of peroxisome proliferator-activated receptor-γ (PPAR-γ) activation in the protective effect of apigenin against the myocardial infarction (MI) in diabetic rats. Diabetes was induced by intraperitoneal administration of a single dose of streptozotocin (55 mg/kg). The study groups included diabetic rats receiving vehicle, apigenin (75 mg/kg/day, orally), GW9662 (1 mg/kg/day, intraperitoneally), and a combination of apigenin and GW9662 for 14 days. The MI was induced in all the study groups except the diabetic control group by subcutaneous injection of 100 mg/kg/day of isoproterenol on the two terminal days...
April 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28363742/liraglutide-relieves-myocardial-damage-by-promoting-autophagy-via-ampk-mtor-signaling-pathway-in-zucker-diabetic-fatty-rat
#2
Ya Zhang, Yuanna Ling, Li Yang, Yanzhen Cheng, Pingzhen Yang, Xudong Song, Huixiong Tang, Yongkang Zhong, Lu Tang, Shangfei He, Shuangli Yang, Aihua Chen, Xianbao Wang
Liraglutide, a glucose-lowering agent used to treat type 2 diabetic mellitus is reported to exert cardioprotective effects in clinical trials and animal experiments. However, the cardioprotective mechanism of liraglutide on diabetic cardiomyopathy has not been fully illustrated. The present study was performed to investigate whether liraglutide alleviates diabetic myocardium injury by promoting autophagy and its underlying mechanisms. Our results show that liraglutide significantly reduced the levels of creatine kinase (CK) and lactate dehydrogenase (LDH), improved left ventricular functional status and alleviated myocardial fibrosis in the Zucker diabetic fatty (ZDF) rat model...
March 29, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28350842/combination-of-mesenchymal-stem-cell-injection-with-icariin-for-the-treatment-of-diabetes-associated-erectile-dysfunction
#3
Xiyou Wang, Chuanhai Liu, Yong Xu, Ping Chen, Yue Shen, Yansheng Xu, Yubo Zhao, Weihao Chen, Xinyu Zhang, Yun Ouyang, Yi Wang, Changliang Xie, Maojun Zhou, Cuilong Liu
The present study was aimed to examine whether icariin, a traditional Chinese medicine, could improve therapeutic effects of adipose derived mesenchymal stem cells (ADSCs) for diabetes-associated erectile dysfunction (DMED). DMED were induced in rats by intraperitoneal injection of streptozotocin and confirmed by erectile function measurement. Then, rats of diabetic ED were randomly divided to receive the treatment of saline, ADSCs, icariin or ADSCs combined with icariin respectively. Compared with the treatment by ADSCs or icariin alone, intracavernosum injection of ADSCs combined with the following daily gastric gavage of icariin significantly augmented the value of ICP and ICP/MAP (p<0...
2017: PloS One
https://www.readbyqxmd.com/read/28320103/paeoniflorin-ameliorates-ages-induced-mesangial-cell-injury-through-inhibiting-rage-mtor-autophagy-pathway
#4
Juan Chen, Di Zhao, Maomao Zhu, Minghua Zhang, Xuefeng Hou, Wenbo Ding, Shuai Sun, Weiquan Bu, Liang Feng, Shiping Ma, Xiaobin Jia
Glomerular mesangial cell plays a vital role in diabetic nephropathy (DN). Recent research has demonstrated that autophagy involved in the development of DN. Paeoniflorin (PF), a monoterpene glucoside, has been proved to attenuate advanced glycation end products (AGEs)-induced mesangial cell injury. However, the regulatory mechanism of PF on autophagy in mesangial cell remains unclear. The aim of this study was to explore the effect of PF on autophagy in AGEs-induced mesangial cell dysfunction. In this study, the leakage of the lactic dehydrogenase (LDH) into the extracellular medium was measured by LDH kit...
March 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28296232/inhibitors-of-soluble-epoxide-hydrolase-minimize-ischemia-reperfusion-induced-cardiac-damage-in-normal-hypertensive-and-diabetic-rats
#5
Oliul Islam, Prashanth Patil, Sumanta K Goswami, Rema Razdan, Mohammed N Inamdar, Mohammed Rizwan, Jubin Mathew, Bora Inceoglu, Kin S Stephen Lee, Sung H Hwang, Bruce D Hammock
AIM: We designed a study to evaluate the cardioprotective effect of two soluble epoxide hydrolase (sEH) inhibitors, 1-(1-propanoylpiperidin-4-yl)-3-(4-trifluoromethoxy)phenyl)urea (TPPU) and trans-4-{4-[3-(4-trifluoromethoxyphenyl)-ureido]cyclohexyloxy}benzoic acid (t-TUCB), in ischemia-reperfusion (IR) model. METHODS: Cardioprotective effects of the sEH inhibitors were evaluated against IR-induced myocardial damage in hearts from normal, hypertensive and diabetic rats using Langendorff's apparatus...
March 15, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28260075/protective-effect-of-mitochondria%C3%A2-targeted-peptide-mtp%C3%A2-131-against-oxidative-stress%C3%A2-induced-apoptosis-in-rgc%C3%A2-5-cells
#6
Min Chen, Bingqian Liu, Jian Ma, Jian Ge, Kaijun Wang
The retina of the human eye is extremely vulnerable to oxidative damage. Previous studies have demonstrated that oxidative stress is the predominant mechanism associated with the pathogenesis of age‑related macular degeneration, diabetic retinopathy, glaucoma and retinitis pigmentosa. MTP‑131, a novel mitochondria‑targeted peptide, has been demonstrated to specifically concentrate in the inner mitochondria membrane and to exhibit remarkable antioxidant effects both in vitro and in animal models. In the present study, the protective effect of MTP‑131 was evaluated in response to hydrogen peroxide (H2O2)‑induced oxidative damage in a retinal ganglion cell line, RGC‑5...
April 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28250059/netrin-1-restores-cell-injury-and-impaired-angiogenesis-in-vascular-endothelial-cells
#7
Ying Xing, Jingbo Lai, Xiangyang Liu, Nana Zhang, Jie Ming, Hengxin Liu, Xi Zhang
Diabetic foot ulceration (DFU) represents a common vascular complication of diabetes mellitus (DM) with high morbidity and disability resulting from amputation. Netrin-1 level was decreased in type 2 DM patients and has been identified as a protective regulator against diabetes-triggered myocardial infarction and nephropathy. Unfortunately, its role and molecular mechanism in DFU remain poorly elucidated. Here, netrin-1 levels were reduced in DM and DFU patients relative to healthy controls, with netrin-1 levels being lowest in DFU patients...
March 1, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28202270/acute-metabolic-and-endocrine-responses-induced-by-glucose-and-fructose-in-healthy-young-subjects-a-double-blinded-randomized-crossover-trial
#8
Wenwen Cai, Jie Li, Jiahui Shi, Bo Yang, Jun Tang, Helen Truby, Duo Li
BACKGROUND AND OBJECTIVE: A rise in fructose consumption has been implicated in the etiology of obesity, diabetes and cardiovascular disease. Serum uric acid (UA) elevates after fructose ingestion, increasing the risk of cardiovascular disease. However, the impact of fructose ingestion on nitric oxide (NO) has not yet been confirmed. The aim of this study was to investigate the postprandial metabolic and endocrine responses following an acute ingestion of fructose and glucose in healthy subjects...
February 3, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28089584/pterostilbene-attenuates-high-glucose-induced-oxidative-injury-in-hippocampal-neuronal-cells-by-activating-nuclear-factor-erythroid-2-related-factor-2
#9
Yang Yang, Chongxi Fan, Bodong Wang, Zhiqiang Ma, Dongjin Wang, Bing Gong, Shouyin Di, Shuai Jiang, Yue Li, Tian Li, Zhi Yang, Erping Luo
In the present study, neuroblastoma (SH-SY5Y) cells were used to investigate the mechanisms mediating the potential protective effects of pterostilbene (PTE) against mitochondrial metabolic impairment and oxidative stress induced by hyperglycemia for mimicking the diabetic encephalopathy. High glucose medium (100mM) decreased cellular viability after 24h incubation which was evidenced by: (i) reduced mitochondrial complex I and III activities; (ii) reduced mitochondrial cytochrome C; (iii) increased reactive oxygen species (ROS) generation; (iv) decreased mitochondrial membrane potential (ΔΨm); and (v) increased lactate dehydrogenase (LDH) levels...
April 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28078246/the-effects-of-crocin-insulin-and-their-co-administration-on-the-heart-function-and-pathology-in-streptozotocin-induced-diabetic-rats
#10
Amir Abbas Farshid, Esmaeal Tamaddonfard, Masoumeh Moradi-Arzeloo, Navideh Mirzakhani
OBJECTIVE: Crocin is a saffron constituent with a potent anti-oxidant activity. The present study investigated the effects of crocin and insulin treatments (alone or in combination) on cardiac function and pathology in diabetic rats. MATERIALS AND METHODS: Diabetes was induced by intraperitoneal (i.p.) injection of streptozotocin (STZ, 50 mg/kg). Thereafter, crocin (5, 10 and 20 mg/kg, i.p.), subcutaneous (s.c.) injection of insulin (4 IU/kg) and their combination were administered for eight weeks...
November 2016: Avicenna Journal of Phytomedicine
https://www.readbyqxmd.com/read/28027533/quercetin-ameliorates-oxidative-stress-inflammation-and-apoptosis-in-the-heart-of-streptozotocin-nicotinamide-induced-adult-male-diabetic-rats
#11
Josef Roslan, Nelli Giribabu, Kamarulzaman Karim, Naguib Salleh
INTRODUCTION: Quercetin is known to possess beneficial effects in ameliorating diabetic complications, however the mechanisms underlying cardioprotective effect of this compound in diabetes is not fully revealed. In this study, quercetin effect on oxidative stress, inflammation and apoptosis in the heart in diabetes were investigated. Normal and streptozotocin-nicotinamide induced adult male diabetic rats received quercetin (10, 25 and 50mg/kg/bw) orally for 28days were anesthetized and hemodynamic parameters i...
February 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27989876/iridoid-glycoside-from-cornus-officinalis-ameliorated-diabetes-mellitus-induced-testicular-damage-in-male-rats-involvement-of-suppression-of-the-ages-rage-p38-mapk-signaling-pathway
#12
Yuping Chen, Yunhao Wu, Xiaoyang Gan, Kai Liu, Xing Lv, Hongsheng Shen, Guoying Dai, Huiqin Xu
ETHNOPHARMACOLOGICAL RELEVANCE: Cornus officinalis (CO) has been widely used as a traditional Chinese medicine for treating diabetes mellitus (DM) and its complications. Iridoid glycoside from C. officinalis (IGCO) can resist apoptosis, hyperglycemia, oxidation and so on. The aim of this study was to investigate the therapeutic effects of IGCO on DM-induced testicular damage through inhibition of the AGEs/RAGE/p38 MAPK signaling pathway. MATERIALS AND METHODS: A DM model of male Wistar rats was induced with streptozotocin injection (30mg/kg, i...
December 24, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27893660/salivary-lactate-dehydrogenase-and-aminotransferases-in-diabetic-patients
#13
Barbara Malicka, Katarzyna Skoskiewicz-Malinowska, Urszula Kaczmarek
Diabetes mellitus (DM) is a group of metabolic diseases resulting from impaired insulin secretion and/or action. DM is characterized by hyperglycemia that can lead to the dysfunction or damage of organs, including the salivary glands.The aim of this study was to compare the levels of salivary lactate dehydrogenase (LDH), aspartate aminotransferase (AST), and alanine aminotransferase (ALT) in diabetic patients.The study was approved by the Bioethics Committee of Wroclaw Medical University (Poland). The study comprised 90 adults of both sexes, aged 21 to 57 years...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27889750/metformin-protects-neurons-against-oxygen-glucose-deprivation-reoxygenation-induced-injury-by-down-regulating-mad2b
#14
Xianfang Meng, Guangpin Chu, Zhihua Yang, Ping Qiu, Yue Hu, Xiaohe Chen, Wenpeng Peng, Chen Ye, Fang-Fang He, Chun Zhang
BACKGROUND/AIMS: Metformin, the common medication for type II diabetes, has protective effects on cerebral ischemia. However, the molecular mechanisms are far from clear. Mitotic arrest deficient 2-like protein 2 (MAD2B), an inhibitor of the anaphase-promoting complex (APC), is widely expressed in hippocampal and cortical neurons and plays an important role in mediating high glucose-induced neurotoxicity. The present study investigated whether metformin modifies the expression of MAD2B and to exert its neuroprotective effects in primary cultured cortical neurons during oxygen-glucose deprivation/reoxygenation (OGD/R), a widely used in vitro model of ischemia/reperfusion...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27876485/cannabinoid-receptors-and-trpa1-on-neuroprotection-in-a-model-of-retinal-ischemia
#15
D S M Araújo, V S Miya-Coreixas, P Pandolfo, K C Calaza
Retinal ischemia is a pathological event present in several retinopathies such as diabetic retinopathy and glaucoma, leading to partial or full blindness with no effective treatment available. Since synthetic and endogenous cannabinoids have been studied as modulators of ischemic events in the central nervous system (CNS), the present study aimed to investigate the involvement of cannabinoid system in the cell death induced by ischemia in an avascular (chick) retina. We observed that chick retinal treatment with a combination of WIN 55212-2 and cannabinoid receptor antagonists (either AM251/O-2050 or AM630) decreased the release of lactate dehydrogenase (LDH) induced by retinal ischemia in an oxygen and glucose deprivation (OGD) model...
November 19, 2016: Experimental Eye Research
https://www.readbyqxmd.com/read/27829984/activation-of-aldh2-with-low-concentration-of-ethanol-attenuates-myocardial-ischemia-reperfusion-injury-in-diabetes-rat-model
#16
Pin-Fang Kang, Wen-Juan Wu, Yang Tang, Ling Xuan, Su-Dong Guan, Bi Tang, Heng Zhang, Qin Gao, Hong-Ju Wang
The aim of this paper is to observe the change of mitochondrial aldehyde dehydrogenase 2 (ALDH2) when diabetes mellitus (DM) rat heart was subjected to ischemia/reperfusion (I/R) intervention and analyze its underlying mechanisms. DM rat hearts were subjected to 30 min regional ischemia and 120 min reperfusion in vitro and pretreated with ALDH2 activator ethanol (EtOH); cardiomyocyte in high glucose (HG) condition was pretreated with ALDH2 activator Alda-1. In control I/R group, myocardial tissue structure collapse appeared...
2016: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/27829418/hepatoprotective-potential-of-fagonia-olivieri-dc-against-acetaminophen-induced-toxicity-in-rat
#17
Umbreen Rashid, Muhammad Rashid Khan, Moniba Sajid
BACKGROUND: Fagonia olivieri (DC) being used for the treatment of diabetes, cancer, fever and claimed to be effective in many other stress related disorders. In this study we have evaluated the F. olivieri whole methanol extract and its derived fractions for various in vitro and in vivo antioxidant studies. METHODS: The crude methanol extract of the whole plant of F. olivieri (FOM) and its derived fractions; n-hexane (FOH), chloroform (FOC), ethyl acetate (FOE), n-butanol (FOB) and aqueous (FOA) were evaluated for the total phenolic and flavonoid content and in vitro antioxidant abilities...
November 9, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27802903/dendrobium-officinale-kimura-et-migo-attenuates-diabetic-cardiomyopathy-through-inhibiting-oxidative-stress-inflammation-and-fibrosis-in-streptozotocin-induced-mice
#18
Zhihao Zhang, Duoduo Zhang, Mengmeng Dou, Zhubo Li, Jie Zhang, Xiaoyan Zhao
Dendrobium officinale Kimura et Migo (Dendrobium catenatum Lindley), a prized traditional Chinese Medicine, has been used in China and Southeast Asian countries for centuries. The present study was aimed to investigate the effects and the possible mechanisms of the Dendrobium officinale extracts (DOE) on diabetic cardiomyopathy in mice. The diabetic model was induced by intraperitoneal injection of streptozotocin at the dose of 50mg/kg body weight for 5 consecutive days. After 8 weeks treatment of DOE, mice were sacrificed, blood sample and heart tissues were collected...
December 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27738514/association-between-liver-enzymes-and-incident-type-2-diabetes-in-singapore-chinese-men-and-women
#19
Ye-Li Wang, Woon-Puay Koh, Jian-Min Yuan, An Pan
AIMS: To assess the association between liver enzymes and the risk of type 2 diabetes (T2D) in a Chinese population. METHODS: A nested case-control study comprising 571 T2D cases and 571 matched controls was conducted within the Singapore Chinese Health Study. Alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), and lactate dehydrogenase (LDH) were quantified in baseline plasma collected from them, while γ-glutamyltransferase (GGT) was assayed among 255 T2D cases with baseline hemoglobin A1c <6...
2016: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/27709232/a-study-on-neuroprotective-effects-of-curcumin-on-the-diabetic-rat-brain
#20
L Zhang, X-J Kong, Z-Q Wang, F-S Xu, Y-T Zhu
The present study was aimed to study the neuroprotective therapeutic effect of curcumin on the male albino rat brain. Subarachnoid hemorrhage leads to severe mortality rate and morbidity, and oxidative stress is a crucial factor in subarachnoid hemorrhage. Therefore, we investigated the effect of curcumin on oxidative stress and glutamate and glutamate transporter-1 on a subarachnoid hemorrhage-induced male albino rats. The curcumin commonly used for the treatment and saline used for the control. Curcumin (10 mg/kg bwt) dissolved in saline and administered orally to the rats for one week...
2016: Journal of Nutrition, Health & Aging
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