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Nicotinamide AND diabetes

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https://www.readbyqxmd.com/read/28647274/sonic-hedgehog-pathway-suppression-and-reactivation-accelerates-differentiation-of-rat-adipose-derived-mesenchymal-stromal-cells-toward-insulin-producing-cells
#1
Dian Dayer, Mahmoud Hashemi Tabar, Eskandar Moghimipour, Mohammad Reza Tabandeh, Ata A Ghadiri, Elham Allah Bakhshi, Mahmoud Orazizadeh, Mohammad Ali Ghafari
BACKGROUND AIMS: Sonic hedgehog (Shh) is an intercellular signaling molecule that regulates pancreas development in mammals. Manipulation of Shh signaling pathway can be used as reliable approach to improve the generation of functional insulin-producing cells (IPCs) from mesenchymal stromal cells (MSCs). METHODS: In the present study, a novel differentiation protocol was used to produce IPCs from adipose tissue-derived MSCs (ATDMSCs) based on sequential inhibition and reactivation of Shh pathway...
June 21, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28632450/combinations-of-activin-a-or-nicotinamide-with-the-pancreatic-transcription-factor-pdx1-support-differentiation-of-human-amnion-epithelial-cells-toward-a-pancreatic-lineage
#2
Shruti Balaji, Yu Zhou, Emmanuel C Opara, Shay Soker
The differentiation of multipotent stem cells toward a pancreatic lineage provides us with an alternative cell-based therapeutic approach to type 1 diabetes and enables us to study pancreas development. The current study aims to study the effect of growth factors such as activin A or nicotinamide, alone and in combinations with the transcription factor, PDX1 (pancreatic and duodenal homeobox-1), on human amnion epithelial cells (hAECs) toward a pancreatic lineage. Ectopic expression of Pdx1 followed by treatment of hAECs with nicotinamide for 4 days resulted in strong induction of pancreatic endoderm and pancreatic progenitor genes, including NKX6...
June 20, 2017: Cellular Reprogramming
https://www.readbyqxmd.com/read/28628926/synthesis-characterisation-molecular-docking-anti-microbial-and-anti-diabetic-screening-of-substituted-4-indolylphenyl-6-arylpyrimidine-2-imine-derivatives
#3
Veerasamy Ramya, Santhirakasu Vembu, Ganesan Ariharasivakumar, Manathusamy Gopalakrishnan
The purpose of the research is to synthesise a novel series of (E)-2-(4-(1H-indol-3-yl)-6-p-substituted phenylpyrimidin-2-yl)dimethylguanidine derivatives since 3-(1H-indol-3-yl)-1-p-substituted phenylprop-2-en-1-one and evaluate their molecular docking studies, antimicrobial, and anti-diabetic activities. Among all the synthesized compounds (11a-g), compound 11a exhibits excellent CDOCKER energy (-11.36 kcal/mol). The entire compounds (11a-g) confirm very good antimicrobial activity towards the tested microorganisms...
June 19, 2017: Drug Research
https://www.readbyqxmd.com/read/28600038/potential-differentiation-of-islet-like-cells-from-pregnant-cow-derived-placental-stem-cells
#4
Shao-Yu Peng, Chien-Wen Chou, Yu-Hsuan Kuo, Perng-Chih Shen, S W Steven Shaw
OBJECTIVE: Type 1 diabetes is an autoimmune disease that destroys islet cells and results in insufficient insulin secretion by pancreatic β-cells. Islet transplantation from donors is an approach used for treating patients with diabetes; however, this therapy is difficult to implement because of the lack of donors. Nevertheless, several stem cells have the potential to differentiate from islet-like cells and enable insulin secretion for treating diabetes in animal models. For example, placenta is considered a waste material and can be harvested noninvasively during delivery without ethical or moral concerns...
June 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28595874/evaluation-of-anti-diabetic-activity-of-glycyrrhizin-loaded-nanoparticles-in-nicotinamide-streptozotocin-induced-diabetic-rats
#5
Ruma Rani, Shakti Dahiya, Dinesh Dhingra, Neeraj Dilbaghi, Ki-Hyun Kim, Sandeep Kumar
Glycyrrhizin is an active constituent of the roots and rhizomes of Glycyrrhiza glabra and has anti-hyperglycemic effects. In this study, nanoparticles (NPs) loaded with glycyrrhizin or metformin were evaluated in vivo for their anti-hyperglycemic potency towards type-II diabetes in rats. The NPs were produced via the ionotropic gelation method using the biocompatible polymers chitosan and gum arabic. The polymer concentration was optimized using the 3(2) factorial method to acquire both minimum particle size and maximum encapsulation efficiency...
June 9, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28587189/roles-of-nicotinamide-adenine-dinucleotide-phosphate-nadph-oxidase-in-angiogenesis-isoform-specific-effects
#6
REVIEW
Haibo Wang, M Elizabeth Hartnett
Angiogenesis is the formation of new blood vessels from preexisting ones and is implicated in physiologic vascular development, pathologic blood vessel growth, and vascular restoration. This is in contrast to vasculogenesis, which is de novo growth of vessels from vascular precursors, or from vascular repair that occurs when circulating endothelial progenitor cells home into an area and develop into blood vessels. The objective of this review is to discuss the isoform-specific role of nicotinamide adenine dinucleotide phosphate (NADPH) oxidase (NOX) in physiologic and pathologic angiogenesis and vascular repair, but will not specifically address vasculogenesis...
June 3, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28551554/antihyperalgesic-activity-of-a-mexicanolide-isolated-from-swietenia-humilis-extract-in-nicotinamide-streptozotocin-hyperglycemic-mice
#7
Berenice Ovalle-Magallanes, Myrna Déciga-Campos, Rachel Mata
Swietenia humilis Zucc. (Meliaceae) seeds are used in Mexico for the treatment of type 2 diabetes mellitus. Mexicanolides are the main hypoglycemic and antihyperglycemic compounds of the species. This study was conducted to investigate the antihyperalgesic effect of an aqueous extract of the seeds of Swietenia humilis (SHAE) and of mexicanolide 2-hydroxy-destigloyl-6-deoxyswietenine acetate (1), using the formalin test in mice. The antihyperalgesic actions of SHAE and mexicanolide 1, as well as its possible transductional activity, were assessed in nicotinamide-streptozotocin (NA-STZ) hyperglycemic mice...
August 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28549291/antidiabetogenic-efficiency-of-menthol-improves-glucose-homeostasis-and-attenuates-pancreatic-%C3%AE-cell-apoptosis-in-streptozotocin-nicotinamide-induced-experimental-rats-through-ameliorating-glucose-metabolic-enzymes
#8
Udaiyar Muruganathan, Subramani Srinivasan, Veerasamy Vinothkumar
The phytochemical, menthol, has been reported to play many beneficial roles. However, under diabetic conditions, there is no detail mechanism of its beneficial action in the glucose homeostasis. The present study, we investigated to explore the role of menthol, on the glucose metabolic enzymes and pancreatic islet cell apoptosis of streptozotocin-nicotinamide (STZ-NA) induced diabetes in rats. Diabetes was induced by single intraperitoneal (i.p.) injection of STZ (50mg/kg/b.w.) and NA (110mg/kg/b.w.). Diabetic rats were treated with different dose of menthol (25, 50, and 100mg/kg/b...
August 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28548478/influencing-of-antioxidants-gene-variants-on-risk-of-diabetes-mellitus-and-its-complications-a-systematic-review
#9
Fatemeh Bitarafan, Mehrnoosh Khodaeian, Ozra Tabatabaei-Malazy, Mahsa M Amoli
INTRODUCTION: Oxidative stress has a key role in pathophysiology of type 2 diabetes mellitus (T2DM) and its complications as a most common health problem. Due to controversial evidence regarding the association between antioxidants' gene varients and T2DM, our aim was a systematic review of the current meta-analyses. EVIDENCE ACQUISTION: All meta-analysis' studies which assessed the association of single nucleotide polymorphisms of superoxide dismutase (SOD), catalase, glutathione peroxidase (GPX), glutathione S transferase (GST), nitric oxide synthase (NOS) and nicotinamide adenine dinucleotide phosphate oxidase (NOX) with T2DM and its complications were systematically extracted from PubMed, Scopus and Web of Science databases up to January 2016...
May 26, 2017: Minerva Endocrinologica
https://www.readbyqxmd.com/read/28534945/trb3-mediates-advanced-glycation-end-product-induced-apoptosis-of-pancreatic-%C3%AE-cells-through-the-protein-kinase-c-%C3%AE-pathway
#10
Meng Wang, Wenjian Zhang, Shiqing Xu, Liang Peng, Zai Wang, Honglin Liu, Qing Fang, Tingting Deng, Xiuli Men, Jinning Lou
Advanced glycation end products (AGEs), which accumulate in the body during the development of diabetes, may be one of the factors leading to pancreatic β-cell failure and reduced β-cell mass. However, the mechanisms responsible for AGE‑induced apoptosis remain unclear. This study identified the role and mechanisms of action of tribbles homolog 3 (TRB3) in AGE-induced β-cell oxidative damage and apoptosis. Rat insulinoma cells (INS-1) were treated with 200 µg/ml AGEs for 48 h, and cell apoptosis was then detected by TUNEL staining and flow cytometry...
May 16, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28529157/protective-treatments-and-their-target-retinal-ganglion-cells-in-diabetic-retinopathy
#11
REVIEW
Jing Zhang, Rong Liu, Hong-Yu Kuang, Xin-Yuan Gao, Hao-Ling Liu
Diabetic retinopathy(DR)is one of the complications of diabetes which could cause severe vision loss. Retinal ganglion cell(RGC)injury has been confirmed prior to micro-vascular damage. Over the past few decades, a number of animal and clinical studies have confirmed that RGC impairment leads to an early deterioration of vision in DR. Inhibition of aldose reductase (AR), advanced glycation end product (AGE), oxidative stress, glutamate toxicity, and an inflammatory response may play important roles in protecting RGCs in DR...
May 18, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28495827/hyperbaric-oxygen-reduces-infarction-volume-and-hemorrhagic-transformation-through-atp-nad-sirt1-pathway-in-hyperglycemic-middle-cerebral-artery-occlusion-rats
#12
Qin Hu, Anatol Manaenko, Hetao Bian, Zongduo Guo, Jun-Long Huang, Zhen-Ni Guo, Peng Yang, Jiping Tang, John H Zhang
BACKGROUND AND PURPOSE: Energy depletion is a critical factor leading to cell death and brain dysfunction after ischemic stroke. In this study, we investigated whether energy depletion is involved in hyperglycemia-induced hemorrhagic transformation after ischemic stroke and determined the pathway underlying the beneficial effects of hyperbaric oxygen (HBO). METHODS: After 2-hour middle cerebral artery occlusion, hyperglycemia was induced by injecting 50% dextrose (6 mL/kg) intraperitoneally at the onset of reperfusion...
June 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28487945/nox4-is-involved-in-high-glucose-induced-apoptosis-in-renal-tubular-epithelial-cells-via-notch-pathway
#13
Min Yao, Feng Gao, Xiaomeng Wang, Yonghong Shi, Shuxia Liu, Huijun Duan
It has previously been demonstrated that nicotinamide adenine dinucleotide phosphate‑oxidase (NADPH) oxidase 4 (Nox4), is important in the pathogenesis of diabetic nephropathy (DN), however the exact mechanisms remain to be elucidated. The present study aimed to examine the effect of Nox4 on the alteration of the Notch pathway and cell apoptosis in the renal tubular epithelial cell line, HKC, under conditions of high glucose (HG; 30 mmol/l glucose). Nox4 and the Notch pathway were inhibited by N‑acetylcysteine (NAC), diphenylene iodonium (DPI) or γ‑secretase inhibitor (DAPT)...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28486736/comparison-of-the-effects-of-mitiglinide-and-glibenclamide-administered-in-combination-with-the-dipeptidyl-peptidase-iv-inhibitor-sitagliptin-in-rats-with-streptozotocin-nicotinamide-induced-type-2-diabetes
#14
Kenji Akahane, Kazuma Ojima, Ayaka Yokoyama, Toshihiro Inoue, Sumiyoshi Kiguchi, Satoshi Tatemichi, Hiroo Takeda, Mamoru Kobayashi
We compared the individual effects of mitiglinide and glibenclamide administered in combination with the dipeptidyl peptidase-IV (DPP-IV) inhibitor sitagliptin on plasma DPP-IV activity and blood glucose levels in rats with streptozotocin-nicotinamide-induced type 2 diabetes (STZ-NA rats). We examined the inhibitory activity of mitiglinide and glibenclamide as well as their combination with sitagliptin on plasma DPP-IV activity in STZ-NA rats. The oral glucose tolerance test (OGTT) was used to compare effects of mitiglinide, glibenclamide, and their combination with sitagliptin on blood glucose levels in STZ-NA rats...
May 9, 2017: Drug Research
https://www.readbyqxmd.com/read/28483637/phyllanthus-niruri-leaves-aqueous-extract-improves-kidney-functions-ameliorates-kidney-oxidative-stress-inflammation-fibrosis-and-apoptosis-and-enhances-kidney-cell-proliferation-in-adult-male-rats-with-diabetes-mellitus
#15
Nelli Giribabu, Kamarulzaman Karim, Eswar Kumar Kilari, Naguib Salleh
ETHNOPHARMACOLOGICAL RELEVANCE: Phylanthus niruri has been used to treat ailments related to the urogenital organs. In this study, this herb was hypothesized to help to ameliorate kidney disease in diabetes mellitus (DM). AIMS: To investigate P. niruri leaves aqueous extract (PN) effects on kidney functions, histopathological changes and levels of oxidative stress, inflammation, fibrosis, apoptosis and proliferation in DM. METHODS: PN was orally administered to streptozotocin-nicotinamide-induced male diabetic rats for 28 days...
June 9, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28479735/cucurbitane-type-triterpenoids-from-the-blood-glucose-lowering-extracts-of-coccinia-indica-and-momordica-balsamina-fruits
#16
Ujjwal Kaushik, Vidhu Aeri, R Mir Showkat, Mohammad Ali
CONTEXT: Few vegetables that are commonly consumed in India as part of diet have been claimed for their antidiabetic potential. OBJECTIVE: The present study was aimed at evaluating preventive effects of cucurbit vegetables namely, Coccinia indica and Momordica balsamina belonging to family Cucurbitaceae in diabetic hyperglycemia. MATERIALS AND METHODS: The fruits of M. balsamina and C. indica were extracted with chloroform and fractionated with hexane to prepare an extract rich in moderately polar components...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28473473/the-emerging-role-of-nadph-oxidase-nox5%C3%A2-in-vascular-disease
#17
EDITORIAL
Jay C Jha, Anna M D Watson, Geetha Mathew, Lisanne C de Vos, Karin Jandeleit-Dahm
Oxidative stress is a consequence of up-regulation of pro-oxidant enzyme-induced reactive oxygen species (ROS) production and concomitant depletion of antioxidants. Elevated levels of ROS act as an intermediate and are the common denominator for various diseases including diabetes-associated macro-/micro-vascular complications and hypertension. A range of enzymes are capable of generating ROS, but the pro-oxidant enzyme family, nicotinamide adenine dinucleotide phosphate (NADPH) oxidases (NOXs), are the only enzymes known to be solely dedicated to ROS generation in the vascular tissues, kidney, aortas and eyes...
May 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28429027/a-metabolomic-study-on-high-risk-stroke-patients-determines-low-levels-of-serum-lysine-metabolites-a-retrospective-cohort-study
#18
Yeseung Lee, Adnan Khan, Seri Hong, Sun Ha Jee, Youngja H Park
Identifying changes in serum metabolites during cerebral ischemia is an important approach for early diagnosis of thrombotic stroke. Herein, we highlight novel biomarkers for early diagnosis of patients at high risk of thrombotic stroke using high resolution metabolomics (HRM). In this retrospective cohort study, serum samples obtained from patients at risk of thrombotic stroke (n  =  62) and non-risk individuals (n  =  348) were tested using HRM, coupled with LC-MS/MS, to discriminate between metabolic profiles of control and stroke risk patients...
May 30, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28425181/effects-of-different-aerobic-exercise-frequencies-on%C3%A2-streptozotocin-nicotinamide-induced-type-2-diabetic-rats-continuous-versus-short-bouts-and-weekend-warrior-exercises
#19
Nuray Alaca, Serap Uslu, Guldal Gulec Suyen, Umit Ince, Mustafa Serteser, Hızır Kurtel
BACKGROUND: Exercise training is known to exert multiple beneficial effects on type 2 diabetes mellitus (T2DM). In this study, we aimed at exploring the effects of aerobic exercise frequencies on diabetic parameters, the histopathological structure of skeletal muscle, diabetic myopathy and mitochondrial enzyme activities in an experimental model of T2DM. METHODS: T2DM was induced by using nicotinamide (110 mg/kg) and streptozotocin (65 mg/kg) in Sprague Dawley rats (n: 35)...
April 20, 2017: Journal of Diabetes
https://www.readbyqxmd.com/read/28413457/persicarin-isolated-from-oenanthe-javanica-protects-against-diabetes-induced-oxidative-stress-and-inflammation-in-the-liver-of-streptozotocin-induced-type-1-diabetic-mice
#20
Joo Young Lee, Min Yeong Kim, Sung Ho Shin, Mi-Rae Shin, O Jun Kwon, Tae Hoon Kim, Chan Hum Park, Jeong Sook Noh, Man Hee Rhee, Seong-Soo Roh
Persicarin is one of the major components of the Oenanthe javanica (water dropwort). The present study was aimed to evaluate the role of persicarin in the hepatic tissue of streptozotocin-induced type 1 diabetic mice. Diabetes was induced by single intra-peritoneal injection of streptozotocin (120 mg/kg body weight) and then oral administration of persicarin at a dose 2.5 and 5 mg/kg body weight for 10 days. Serum and hepatic glucose levels were increased in diabetic control mice, while persicarin treatment groups were markedly reduced...
April 2017: Experimental and Therapeutic Medicine
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