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https://www.readbyqxmd.com/read/29778909/n-acetylcysteine-protects-against-diabetic-nephropathy-through-control-of-oxidative-and-nitrosative-stress-by-recovery-of-nitric-oxide-in-rats
#1
Guilherme B Nogueira, Giovana R Punaro, Clemerson S Oliveira, Fabiane R Maciel, Thamires O Fernandes, Deyse Y Lima, Adelson M Rodrigues, Margaret G Mouro, Sergio R R Araujo, Elisa M S Higa
The diabetes mellitus (DM) induces several changes, with substantial increase of reactive oxygen species (ROS). The ROS cause damage to systemic and renal microvasculature, which could be one of the mechanisms involved in the development of diabetic nephropathy (DN). The ROS modulate other substances like the nitric oxide (NO), a vasodilator with important role in the renal function. N-acetylcysteine (NAC) is an antioxidant that acts replenishing intracellular cysteine levels, which is essential for glutathione formation...
May 17, 2018: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/29778671/international-study-of-comparative-health-effectiveness-with-medical-and-invasive-approaches-ischemia-trial-rationale-and-design
#2
David J Maron, Judith S Hochman, Sean M O'Brien, Harmony R Reynolds, William E Boden, Gregg W Stone, Sripal Bangalore, John A Spertus, Daniel B Mark, Karen P Alexander, Leslee Shaw, Jeffrey S Berger, T Bruce Ferguson, David O Williams, Robert A Harrington, Yves Rosenberg
BACKGROUND: Prior trials comparing a strategy of optimal medical therapy with or without revascularization have not shown that revascularization reduces cardiovascular events in patients with stable ischemic heart disease (SIHD). However, those trials only included participants in whom coronary anatomy was known prior to randomization and did not include sufficient numbers of participants with significant ischemia. It remains unknown whether a routine invasive approach offers incremental value over a conservative approach with catheterization reserved for failure of medical therapy in patients with moderate or severe ischemia...
April 21, 2018: American Heart Journal
https://www.readbyqxmd.com/read/29778664/gestational-diabetes-mellitus-modulates-cholesterol-homeostasis-in-human-fetoplacental-endothelium
#3
Yidan Sun, Susanne Kopp, Jasmin Strutz, Chaitanya Chakravarthi Gali, Martina Zandl-Lang, Elham Fanaee-Danesh, Andrijana Kirsch, Silvija Cvitic, Saša Frank, Richard Saffery, Ingemar Björkhem, Gernot Desoye, Christian Wadsack, Ute Panzenboeck
Gestational diabetes mellitus (GDM) is associated with excessive oxidative stress which may affect placental vascular function. Cholesterol homeostasis is crucial for maintaining fetoplacental endothelial function. We aimed to investigate whether and how GDM affects cholesterol metabolism in human fetoplacental endothelial cells (HPEC). HPEC were isolated from fetal term placental arterial vessels of GDM or control subjects. Cellular reactive oxygen species (ROS) were detected by H2 DCFDA fluorescent dye. Oxysterols were quantified by gas chromatography-mass spectrometry analysis...
May 17, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29778458/noninvasive-diagnosis-of-endometriosis-review-of-current-peripheral-blood-and-endometrial-biomarkers
#4
REVIEW
Dorien F O, Idhaliz Flores, Etienne Waelkens, Thomas D'Hooghe
A noninvasive biomarker-based test could help shorten the diagnostic delay for endometriosis. The most investigated biomarker sources are peripheral blood and endometrium. Discovery of endometriosis biomarkers is often hypothesis-driven, i.e. when one or a few biomarkers are investigated based on their role in the disease pathogenesis. Alternatively, a hypothesis-generating approach has been followed using the "omics" technologies. A variety of biomarkers for endometriosis have been investigated, but no biomarker has been validated for clinical use...
April 13, 2018: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29777986/predicting-of-the-refractive-index-of-haemoglobin-using-the-hybrid-ga-svr-approach
#5
Tajudeen A Oyehan, Ibrahim O Alade, Aliyu Bagudu, Kazeem O Sulaiman, Sunday O Olatunji, Tawfik A Saleh
The optical properties of blood play crucial roles in medical diagnostics and treatment, and in the design of new medical devices. Haemoglobin is a vital constituent of the blood whose optical properties affect all of the optical properties of human blood. The refractive index of haemoglobin has been reported to strongly depend on its concentration which is a function of the physiology of biological cells. This makes the refractive index of haemoglobin an essential non-invasive bio-marker of diseases. Unfortunately, the complexity of blood tissue makes it challenging to experimentally measure the refractive index of haemoglobin...
April 30, 2018: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29777551/a-new-method-for-quantitative-determination-of-renalase-based-on-mass-spectrometry-determination-of-a-proteotypic-peptide-labeled-with-stable-isotopes
#6
A T Kopylov, V I Fedchenko, O A Buneeva, N V Pyatakova, V G Zgoda, A E Medvedev
RATIONALE: Renalase is a recently discovered kidney secretory protein, which is considered as an important component involved in blood pressure regulation. Although altered levels of renalase have been detected in plasma and urine of patients with various kidney diseases, there is certain inconsistency of changes in the renalase levels reported by different laboratories. The latter is obviously associated with the use of ELISA as the only available approach for quantitative analysis of renalase...
May 18, 2018: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/29776985/tkaczynski-e-arulselvan-a-tkaczynski-j-et-al-2-o-3-o-desulfated-heparin-mitigates-murine-chemotherapy-and-radiation-induced-thrombocytopenia-blood-adv-2018-2-7-754-761
#7
https://www.readbyqxmd.com/read/29775243/protective-and-therapeutic-effects-of-dexpanthenol-on-isoproterenol-induced-cardiac-damage-in-rats
#8
Ferhat Kalkan, Hakan Parlakpinar, Olcay M Disli, Lokman H Tanriverdi, Onural Ozhan, Alaaddin Polat, Aslı Cetin, Nigar Vardi, Yılmaz O Otlu, Ahmet Acet
The purpose of the study was to explore the protective and therapeutic effects of dexpanthenol (DEX) on isoproterenol (ISO)-induced cardiac damage. Forty rats were distributed into four groups: group I (Control); group II (ISO); ISO (150 mg/kg/day) was given to rats once a day for 2 consecutive days with an interval of 24 h; group III (DEX+ISO): DEX (250 mg/kg) was applied 30 min before the first ISO administration and continued in the next two days after second ISO administration; group IV (ISO+DEX): After the ISO treatment at 1st and 2nd days, DEX was given at 3rd and 4th days...
May 18, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29775128/long-term-serum-platinum-changes-and-their-association-with-cisplatin-related-late-effects-in-testicular-cancer-survivors
#9
Line V Hjelle, Per O M Gundersen, Ragnhild Hellesnes, Mette Sprauten, Marianne Brydøy, Torgrim Tandstad, Tom Wilsgaard, Sophie D Fosså, Jan Oldenburg, Roy M Bremnes, Hege S Haugnes
BACKGROUND: The long-term toxicities after cisplatin-based chemotherapy (CBCT) reveal a remarkable inter-individual variation among testicular cancer survivors (TCSs). Therefore, we assessed long-term platinum (Pt) changes and their associations with CBCT-related late effects in TCSs. MATERIAL AND METHODS: In 77 TCSs treated with CBCT from 1984 to 1990, blood samples for analyses of Pt and a questionnaire including self-reported neuro- and ototoxicity (NTX) symptoms were collected during two follow-up surveys at median 12 (Survey I; SI) and 20 (Survey II; SII) years after treatment...
May 18, 2018: Acta Oncologica
https://www.readbyqxmd.com/read/29774602/pancreas-transplantation-using-compatible-but-non-identical-abo-blood-group-donors
#10
Santosh Nagaraju, Richard S Mangus, John A Powelson, Jonathan A Fridell
METHODS: A review of all pancreas transplants from a single institution from 01/2003 to 07/2016 (n=606) revealed 41 recipients of a NIC donor pancreas which were matched for age, race, gender, year and type of transplant with 41 ABO identical cases. Groups were compared for allograft survival, incidence of acute cellular rejection (ACR), length of hospital stay, 3-month readmissions and transfusion requirements. Serum haptoglobin and Lactate dehydrogenase were used to identify hemolysis in patients requiring repeated transfusions without overt blood loss...
May 17, 2018: Clinical Transplantation
https://www.readbyqxmd.com/read/29774557/diabetes-induced-microvascular-complications-at-the-level-of-the-spinal-cord-a-contributing-factor-in-diabetic-neuropathic-pain
#11
N Ved, M E Da Vitoria Lobo, S M Bestall, C L Vidueira, N Beazley-Long, K Ballmer-Hofer, M Hirashima, D O Bates, L F Donaldson, R P Hulse
Abnormalities of neurovascular interactions within the central nervous system of diabetic patients is associated with the onset of many neurological disease states. However, to date, the link between the neurovascular network within the spinal cord and regulation of nociception has not been investigated despite neuropathic pain being common in diabetes. We hypothesised that hyperglycaemia-induced endothelial degeneration in the spinal cord, due to suppression of VEGF-A/VEGFR2 signalling, induces diabetic neuropathic pain...
May 17, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29774301/-mansonella-perstans-onchocerca-volvulus-and-strongyloides-stercoralis-infections-in-rural-populations-in-central-and-southern-togo
#12
Francois Korbmacher, Kossi Komlan, Richard G Gantin, Wiyao P Poutouli, Koffi Padjoudoum, Potchoziou Karabou, Peter T Soboslay, Carsten Köhler
Background: Mansonella perstans , Onchocerca volvulus and Strongyloides stercoralis are widespread helminth parasites in the tropics. Their distribution remains difficult to determine as it may change during national disease control programs and with regional mass drug administration (MDA). Epidemiological surveys are of importance to evaluate the geographical distribution of these helminth parasites and the diseases they may cause, however, up to date epidemiological evaluations on M...
May 2018: Parasite Epidemiology and Control
https://www.readbyqxmd.com/read/29774032/protein-o-glcnac-modification-increases-in-white-blood-cells-after-a-single-bout-of-physical-exercise
#13
Tamás Nagy, Emese Kátai, Viktória Fisi, Tamás Tibor Takács, Antal Stréda, István Wittmann, Attila Miseta
Background: Protein O-linked N -acetylglucosamine (O-GlcNAc) is a dynamic posttranslational modification influencing the function of many intracellular proteins. Recently it was revealed that O-GlcNAc regulation is modified under various stress states, including ischemia and oxidative stress. Aside from a few contradictory studies based on animal models, the effect of exercise on O-GlcNAc is unexplored. Purpose: To evaluate O-GlcNAc levels in white blood cells (WBC) of human volunteers following physical exercise...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29773201/school-meals-centesimal-and-mineral-composition-and-their-nutritional-value-for-brazilian-children
#14
Fabiana C O França, Iziane S Andrade, Mariangela V Lopes Silva, Maurício S Lordêlo, Renata G Costa, José A Menezes-Filho
The assessment of meals served under the Brazilian National School Meal Program (PNAE) is an important tool to verify its adequacy to the proposed parameters and the nutritional needs of school-aged children. The aim of this study was to evaluate the centesimal and mineral composition of the meals offered by the program and adequacy to the nutritional recommendations in three municipalities of the state of Bahia, Brazil. Centesimal composition of meals was determined according to the reference guidelines and mineral composition was analyzed by atomic absorption spectrometry...
July 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29773141/the-application-of-the-hyper-fluorescent-sensor-in-the-real-time-detection-of-h-2-o-2-in-babesia-bovis-merozoites-in-vitro
#15
Masahito Asada, Hassan Hakimi, Shin-Ichiro Kawazu
In recent years, genetically encoded fluorescent probes have allowed a dramatic advancement in time-lapse imaging, enabling this imaging modality to be used to investigate intracellular events in several apicomplexan parasite species. In this study, we constructed a plasmid vector to stably express a genetically encoded H2 O2 sensor probe called HyPer in Babesia bovis. The HyPer-transfected parasite population was successfully developed and subjected to a time-lapse imaging analysis under in vitro culture conditions...
May 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29772265/administration-of-low-dose-triclosan-to-pregnant-ewes-results-in-placental-uptake-and-reduced-estradiol-sulfotransferase-activity-in-fetal-liver-and-placenta
#16
Erin N Jackson, Laura Rowland-Faux, Margaret O James, Charles E Wood
Sulfonation is a major pathway of estrogen biotransformation with a role in regulating estrogen homeostasis in humans and sheep. Previous in vitro studies found that triclosan is an especially potent competitive inhibitor of ovine placental estrogen sulfotransferase, with Kic of <0.1 nM. As the placenta is the main organ responsible for estrogen synthesis in pregnancy in both women and sheep, and the liver is another site of estrogen biotransformation, this study examined the effects of triclosan exposure of pregnant ewes on placental and hepatic sulfotransferase activity...
May 14, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29771451/modulation-of-inflammatory-and-hormonal-parameters-in-response-to-testosterone-therapy-effects-on-the-ventral-prostate-of-adult-rats
#17
Leonardo O Mendes, Anthony C S Castilho, Cristiane F Pinho, Bianca F Gonçalvez, Eduardo M Razza, Luiz Gustavo A Chuffa, Janete A Anselmo-Franci, Wellerson R Scarano, Francisco E Martinez
Testosterone is often recommended in the treatment of several aging-related conditions. However, there are still questions about the consequences of this therapy in terms of hormonal and inflammatory parameters that are crucial for prostate homeostasis.Thus, we investigate if the testosterone therapy (TT) modulates the hormone receptors and inflammatory cytokines in the ventral prostate of adult rats. Wistar rats aging 150 days were divided into two experimental groups(n = 10/group): T: received subcutaneous injections of testosterone cypionate (5mg/kg body weight) diluted in corn oil every other day for 4 weeks; and C: received corn oil as vehicle...
May 17, 2018: Cell Biology International
https://www.readbyqxmd.com/read/29770457/abo-genotyping-with-next-generation-sequencing-to-resolve-heterogeneity-in-donors-with-serology-discrepancies
#18
Ping Chun Wu, Yin-Hung Lin, Lei Fang Tsai, Ming Hung Chen, Pei-Lung Chen, Shun-Chung Pai
BACKGROUND: ABO subtypes are characterized by the alteration of antigens present and their expression levels on red blood cells and many are linked to genetic changes in the ABO gene. Weakened expression of antigens should be identified to prevent transfusion reactions or ABO-incompatible transplantations. Genotyping can be applied to identify subtypes to complement serologic testing. Next-generation sequencing (NGS) has shown to provide sensitive and accurate genotyping results as well as valuable cis/trans information...
May 16, 2018: Transfusion
https://www.readbyqxmd.com/read/29770450/relationship-of-epitope-glycosylation-and-other-properties-of-blood-group-proteins-to-the-immunogenicity-of-blood-group-antigens
#19
John G Howe, Gary Stack
BACKGROUND: The intrinsic properties of polypeptide blood group antigens that determine their relative immunogenicities are unknown. Because size, composition, charge, dose, and epitope glycosylation affect the immunogenicity of other polypeptides, we examined whether similar properties were related to the immunogenicity of blood group antigens. STUDY DESIGN AND METHODS: Amino acid (AA) sequences of antithetical blood group antigens were searched for N- and O-glycosylation sites...
May 16, 2018: Transfusion
https://www.readbyqxmd.com/read/29769488/plasma-neutrophil-gelatinase-associated-lipocalin-pngal-level-to-identify-aki-early-in-patients-undergoing-cardiac-valve-surgery
#20
O F Miah, D K Roy, A A Chowdhury, K S Alam, M B Alam, M R Anwar, F A Dowel, A Latif, A N Hai, M A Mahmud, M A Razzak, T Ahammod, S U Ahammed, H Mahmud, R S Paul
Cardiac valve surgery is considered one of the most frequent surgical procedures in which AKI is a common & serious complication. Although serum creatinine is routinely used as a marker of renal function, it poorly reflects the immediate post operative period renal function. Within minutes to few hours after a renal insult, plasma neutrophil gelatinase associated lipocalin (pNGAL) is released. The aim of this study was to assess the superiority of pNGAL over serum creatinine in detecting AKI in early post operative period...
April 2018: Mymensingh Medical Journal: MMJ
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