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https://www.readbyqxmd.com/read/28096605/molecular-and-epidemiological-updates-on-cystic-echinococcosis-infecting-water-buffaloes-from-egypt
#1
Ibrahim Abbas
AIM: Cystic echinococcosis (CE) represents a serious parasitic disease at both animal and public health levels. The majority of reports negated the CE infection in buffaloes from Egypt; however, one study illustrated their infection with G6 genotype (camel strain). The present work contributed to update the epidemiological and molecular knowledge about CE infecting this economically important animal for better understanding of its role in maintaining the Echinococcus life cycle. MATERIALS AND METHODS: A total of 120 slaughtered water buffaloes at Mansoura abattoir, Dakahlia province, Egypt, were inspected for the existence of hydatid cysts...
December 2016: Veterinary World
https://www.readbyqxmd.com/read/28096195/the-multifunctional-mitochondrial-epac1-controls-myocardial-cell-death
#2
Loubina Fazal, Marion Laudette, Sílvia Paula-Gomes, Sandrine Pons, Caroline Conte, Florence Tortosa, Pierre Sicard, Yannis Sainte-Marie, Malik Bisserier, Olivier Lairez, Alexandre Lucas, Jérôme Roy, Bijan Ghaleh, Jeremy Fauconnier, Jeanne Mialet-Perez, Frank Lezoualc'h
RATIONALE: Although the second messenger cyclic AMP (cAMP) is physiologically beneficial in the heart, it largely contributes to cardiac disease progression when dysregulated. Current evidence suggests that cAMP is produced within mitochondria. However, mitochondrial cAMP signaling and its involvement in cardiac pathophysiology are far from being understood. OBJECTIVE: To investigate the role of mitochondrial exchange protein directly activated by cAMP 1 (MitEpac1) in ischemia/reperfusion (I/R) injury...
January 17, 2017: Circulation Research
https://www.readbyqxmd.com/read/28095743/adult-murine-pancreatic-progenitors-require-egf-and-nicotinamide-for-self-renewal-and-differentiation-in-a-serum-and-conditioned-medium-free-culture
#3
Lena Wedeken, Angela Luo, Jacob R Tremblay, Jeffrey Rawson, Liang Jin, Dan Gao, Janine Quijano, Hsun Teresa Ku
Adult pancreatic stem and progenitor cells may serve as an alternative source of insulin-secreting endocrine cells in cell replacement therapy for type 1 diabetes, but much remained unknown about these cells. We previously identified adult murine pancreatic progenitor-like cells that displayed in vitro self-renewal and tri-lineage differentiation activities in a 3-dimensional colony/organoid assay containing 1% methylcellulose and 5% Matrigel. However, the presence of other undefined culture components, such as serum and conditioned medium, has prevented a complete understanding of the signals required for progenitor cell growth...
January 17, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28095663/morphology-and-molecular-phylogeny-of-raillietina-spp-cestoda-cyclophyllidea-davaineidae-from-domestic-chickens-in-thailand
#4
Preeyaporn Butboonchoo, Chalobol Wongsawad, Amnat Rojanapaibul, Jong-Yil Chai
Raillietina species are prevalent in domestic chickens (Gallus gallus domesticus) in Phayao province, northern Thailand. Their infection may cause disease and death, which affects the public health and economic situation in chicken farms. The identification of Raillietina has been based on morphology and molecular analysis. In this study, morphological observations using light (LM) and scanning electron microscopies (SEM) coupled with molecular analysis of the internal transcribed spacer 2 (ITS2) region and the nicotinamide adenine dinucleotide dehydrogenase subunit 1 (ND1) gene were employed for precise identification and phylogenetic relationship studies of Raillietina spp...
December 2016: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28092906/association-between-nicotinamide-phosphoribosyltransferase-and-de-novo-lipogenesis-in-non-alcoholic-fatty-liver-disease
#5
Bahareh Amirkalali, Masoud Reza Sohrabi, Ali Esrafily, Mahmoud Djalali, Ali Gholami, Payam Hosseinzadeh, Hossein Keyvani, Farzad Shidfar, Farhad Zamani
No abstract text is available yet for this article.
January 9, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28092678/6-phosphofructo-2-kinase-fructose-2-6-biphosphatase-4-is-essential-for-p53-null-cancer-cells
#6
S Ros, J Flöter, I Kaymak, C Da Costa, A Houddane, S Dubuis, B Griffiths, R Mitter, S Walz, S Blake, A Behrens, K M Brindle, N Zamboni, M H Rider, A Schulze
The bifunctional enzyme 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase-4 (PFKFB4) controls metabolic flux through allosteric regulation of glycolysis. Here we show that p53 regulates the expression of PFKFB4 and that p53-deficient cancer cells are highly dependent on the function of this enzyme. We found that p53 downregulates PFKFB4 expression by binding to its promoter and mediating transcriptional repression via histone deacetylases. Depletion of PFKFB4 from p53-deficient cancer cells increased levels of the allosteric regulator fructose-2,6-bisphosphate, leading to increased glycolytic activity but decreased routing of metabolites through the oxidative arm of the pentose-phosphate pathway...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28090784/effect-of-resveratrol-and-tetracycline-on-the-subacute-paraquat-toxicity-in-mice
#7
R M Satpute, P P Pawar, S Puttewar, S D Sawale, P D Ambhore
Paraquat (PQ) is a nonselective bipyridyl herbicide widely used in agriculture to control weeds, but its accidental, occupational, or intentional exposure in humans is known to cause pneumo- and neurotoxicity which may proves fatal. Oxidative stress is reported as an underlined mechanism of PQ-induced toxicity in alveolar cells, neurons, and astroglia. PQ generates superoxides both through electron transport reaction (ETC) with nicotinamide adenine dinucleotide-dependent oxidoreductase and by the redox cycling via reaction with molecular oxygen...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28090703/differentiation-of-islet-progenitors-regulated-by-nicotinamide-into-transcriptome-verified-%C3%AE-cells-that-ameliorate-diabetes
#8
Fang-Xu Jiang, Kevin Li, Michael Archer, Munish Mehta, Emma Jamieson, Adrian Charles, Jan E Dickinson, Masahito Matsumoto, Grant Morahan
Developmental stage-specific differentiation of stem or progenitor cells into safe and functional cells is of fundamental importance in regenerative medicine, including β-cell replacement. However, the differentiation of islet progenitor cells (IPCs) into insulin-secreting β cells remains elusive. Here, we report that the multi-functional molecule nicotinamide (NIC) is a specific differentiation regulator of mouse IPCs. The differentiated cells regulated by NIC exhibited many characteristics of adult β cells, including ameliorating preclinical diabetes and a highly comparable transcriptome profile...
January 16, 2017: Stem Cells
https://www.readbyqxmd.com/read/28090457/glucose-6-phosphate-dehydrogenase-deficiency-does-not-increase-the-susceptibility-of-sperm-to-oxidative-stress-induced-by-h2o2
#9
Shiva Roshankhah, Zahra Rostami-Far, Farhad Shaveisi-Zadeh, Abolfazl Movafagh, Mitra Bakhtiari, Jila Shaveisi-Zadeh
OBJECTIVE: Glucose-6-phosphate dehydrogenase (G6PD) deficiency is the most common human enzyme defect. G6PD plays a key role in the pentose phosphate pathway, which is a major source of nicotinamide adenine dinucleotide phosphate (NADPH). NADPH provides the reducing equivalents for oxidation-reduction reductions involved in protecting against the toxicity of reactive oxygen species such as H2O2. We hypothesized that G6PD deficiency may reduce the amount of NADPH in sperms, thereby inhibiting the detoxification of H2O2, which could potentially affect their motility and viability, resulting in an increased susceptibility to infertility...
December 2016: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28090296/endotoxin-and-mechanical-stress-induced-epigenetic-changes-in-the-regulation-of-the-nicotinamide-phosphoribosyltransferase-promoter
#10
Venkateswaran Ramamoorthi Elangovan, Sara M Camp, Gabriel T Kelly, Ankit A Desai, Djanybek Adyshev, Xiaoguang Sun, Stephen M Black, Ting Wang, Joe G N Garcia
Mechanical ventilation, a lifesaving intervention for patients with acute respiratory distress syndrome (ARDS), also unfortunately contributes to excessive mechanical stress and impaired lung physiological and structural integrity. We have elsewhere established the pivotal role of increased nicotinamide phosphoribosyltransferase (NAMPT) transcription and secretion as well as its direct binding to the toll-like receptor 4 (TLR4) in the progression of this devastating syndrome; however, regulation of this critical gene in ventilator-induced lung injury (VILI) is not well characterized...
December 2016: Pulmonary Circulation
https://www.readbyqxmd.com/read/28087333/nicotinamide-nucleotide-transhydrogenase-activity-impacts-mitochondrial-redox-balance-and-the-development-of-hypertension-in-mice
#11
Igor Leskov, Amber Neville, Xinggui Shen, Sibile Pardue, Christopher G Kevil, D Neil Granger, David M Krzywanski
Oxidant stress contributes to the initiation and progression of hypertension (HTN) by enhancing endothelial dysfunction and/or causing perturbations in nitric oxide homeostasis. Differences in mitochondrial function may augment this process and provide insight into why age of onset and clinical outcomes differ among individuals from distinct ethnic groups. We have previously demonstrated that variation in normal mitochondrial function and oxidant production exists in endothelial cells from individuals of Caucasian and African-American ethnicity and that this variation contributes to endothelial dysfunction...
December 16, 2016: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28087163/clinical-studies-of-ex-vivo-expansion-to-accelerate-engraftment-after-umbilical-cord-blood-transplantation-a-systematic-review
#12
REVIEW
Jeffrey Kiernan, Pauline Damien, Madeline Monaghan, Risa Shorr, Lauralyn McIntyre, Dean Fergusson, Alan Tinmouth, David Allan
Cell dose limits greater use of umbilical cord blood (UCB) in hematopoietic cell transplantation. The clinical benefits of ex vivo expansion need clarity to understand its potential impact. A systematic search of studies addressing UCB ex vivo expansion was conducted. Fifteen clinical studies (349 transplanted patients) and 13 registered trials were identified. The co-infusion of an expanded unit and a second unmanipulated unit (8 studies), the fractional expansion of 12% to 60% of a single unit (5 studies), and the infusion of a single expanded unit (2 studies) were reported...
December 23, 2016: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28079268/renoprotective-effect-of-hypericum-perforatum-against-diabetic-nephropathy-in-rats-insights-in-the-underlying-mechanisms
#13
Dalia M Abd El Motteleb, Dalia I Abd El Aleem
Oxidative stress and inflammation play a key role in the initiation and progression of diabetic nephropathy (DN). The present study aimed to investigate the possible protective effect of hypericum perforatum (HP) against DN. Rats were allocated into six groups; control: received normal saline, diabetic untreated (DM): received single dose of streptozotocin (STZ) after injection of nicotinamide (NA), gliclazide: received STZ,NA+ gliclazide (10mg/kg), DM+HP50, DM+HP100, DM+HP200:received STZ,NA and HP 50, 100, 200 mg/kg respectively...
January 12, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28077855/the-nox2-derived-reactive-oxygen-species-damaged-endothelial-nitric-oxide-system-via-suppressed-bkca-skca-in-preeclampsia
#14
Jie Chen, Qinqin Gao, Lin Jiang, Xueqin Feng, Xiaolin Zhu, Xiaorong Fan, Caiping Mao, Zhice Xu
The endothelial nitric oxide (NO) system may be damaged in preeclampsia; however, the involved mechanisms are unclear. In this study, we used primary human umbilical vein endothelial cells (HUVECs) to evaluate the endothelial NO system in preeclampsia and to determine the underlying mechanisms that are involved. We isolated and cultured HUVECs from normal and preeclamptic pregnancies and evaluated endothelial NO synthase enzyme (eNOS) expression and NO production. Whole-cell K(+) currents and oxidative stress were also determined in normal and preeclamptic HUVECs...
January 12, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28077679/crispr-cas9-gene-repair-of-hematopoietic-stem-cells-from-patients-with-x-linked-chronic-granulomatous-disease
#15
Suk See De Ravin, Linhong Li, Xiaolin Wu, Uimook Choi, Cornell Allen, Sherry Koontz, Janet Lee, Narda Theobald-Whiting, Jessica Chu, Mary Garofalo, Colin Sweeney, Lela Kardava, Susan Moir, Angelia Viley, Pachai Natarajan, Ling Su, Douglas Kuhns, Kol A Zarember, Madhusudan V Peshwa, Harry L Malech
Gene repair of CD34(+) hematopoietic stem and progenitor cells (HSPCs) may avoid problems associated with gene therapy, such as vector-related mutagenesis and dysregulated transgene expression. We used CRISPR (clustered regularly interspaced short palindromic repeat)/Cas9 (CRISPR-associated 9) to repair a mutation in the CYBB gene of CD34(+) HSPCs from patients with the immunodeficiency disorder X-linked chronic granulomatous disease (X-CGD). Sequence-confirmed repair of >20% of HSPCs from X-CGD patients restored the function of NADPH (nicotinamide adenine dinucleotide phosphate) oxidase and superoxide radical production in myeloid cells differentiated from these progenitor cells in vitro...
January 11, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28077334/the-neuroprotective-compound-p7c3-a20-promotes-neurogenesis-and-improves-cognitive-function-after-ischemic-stroke
#16
Zachary B Loris, Andrew A Pieper, W Dalton Dietrich
Ischemic stroke is a devastating condition with few therapeutic interventions available. The neuroprotective compound P7C3-A20 inhibits mature neuronal cell death while also increasing the net magnitude of postnatal neurogenesis in models of neurodegeneration and acute injury. P7C3 compounds enhance flux of nicotinamide adenine dinucleotide (NAD) in mammalian cells, a proposed therapeutic approach to treating cerebral ischemia. The effectiveness of P7C3-A20 treatment on chronic histopathological and behavioral outcomes and neurogenesis after ischemic stroke has not previously been established...
January 8, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28076619/oxidative-stress-in-human-aorta-of-patients-with-advanced-aortoiliac-occlusive-disease
#17
Márcio Luís Lucas, Cristina Campos Carraro, Adriane Belló-Klein, Antonio Nocchi Kalil, Newton Aerts
Introduction: Oxidative stress seems to be a role in the atherosclerosis process, but research in human beings is scarce. Objective: To evaluate the role of oxidative stress on human aortas of patients submitted to surgical treatment for advanced aortoiliac occlusive disease. Methods: Twenty-six patients were divided into three groups: control group (n=10) formed by cadaveric organ donors; severe aortoiliac stenosis group (patients with severe aortoiliac stenosis; n=9); and total aortoiliac occlusion group (patients with chronic total aortoiliac occlusion; n=7)...
November 2016: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28073422/-research-advances-in-the-association-between-deacetylase-sirtuin3-and-liver-diseases
#18
J Yu, C Chen, W X Wang
The deacetylase Sirtuin 3 (SIRT3) is a member of the Sirtuins mainly located in the mitochondrial matrix, and as a nicotinamide adenine dinucleotide (NAD(+))-dependent deacetylase, it can regulate cellular energy metabolism and oxidative stress-related pathways. The liver is the largest solid organ in the human body and plays a very important role in substance metabolism. Based on the features of SIRT3, it is closely associated with the development and progression of certain liver diseases. This article reviews the research advances in the role of SIRT3 in non-alcoholic fatty liver disease, liver cancer, and hepatic ischemia-reperfusion injury...
December 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28072529/correlation-between-the-structure-and-catalytic-activity-of-cp-rh-substituted-bipyridine-complexes-for-nadh-regeneration
#19
Vinothkumar Ganesan, Dharmalingam Sivanesan, Sungho Yoon
A series of water-soluble half-sandwich [Cp*Rh(III)(N^N)Cl](+) (Cp* = pentamethylcyclopentadiene, N^N-substituted 2,2'-bipyridine) complexes containing electron-donating substituents around the 2,2'-bipyridyl ligand were synthesized and fully characterized for the regioselective reduction of nicotinamide coenzyme (NAD(+)). The influence of the positional effect of the substituents on the structural, electrochemical, and catalytic properties of the catalyst was systematically studied in detail. The catalytic efficiency of the substituted bipyridine Cp*Rh(III) complexes are inversely correlated with their redox potentials...
January 10, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28071754/far-infrared-protects-vascular-endothelial-cells-from-advanced-glycation-end-products-induced-injury-via-plzf-mediated-autophagy-in-diabetic-mice
#20
Cheng-Hsien Chen, Tso-Hsiao Chen, Mei-Yi Wu, Tz-Chong Chou, Jia-Rung Chen, Meng-Jun Wei, San-Liang Lee, Li-Yu Hong, Cai-Mei Zheng, I-Jen Chiu, Yuh-Feng Lin, Ching-Min Hsu, Yung-Ho Hsu
The accumulation of advanced glycation end products (AGEs) in diabetic patients induces vascular endothelial injury. Promyelocytic leukemia zinc finger protein (PLZF) is a transcription factor that can be activated by low-temperature far-infrared (FIR) irradiation to exert beneficial effects on the vascular endothelium. In the present study, we investigated the influence of FIR-induced PLZF activation on AGE-induced endothelial injury both in vitro and in vivo. FIR irradiation inhibited AGE-induced apoptosis in human umbilical vein endothelial cells (HUVECs)...
January 10, 2017: Scientific Reports
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