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https://www.readbyqxmd.com/read/28814372/association-of-cyp19a1-gene-polymorphisms-with-anoestrus-in-water-buffaloes
#1
Khairy M El-Bayomi, Ayman A Saleh, Ashraf Awad, Mahmoud S El-Tarabany, Hadeel S El-Qaliouby, Mohamed Afifi, Shymaa El-Komy, Walaa M Essawi, Essam A Almadaly, Mohammed A El-Magd
Cytochrome P450 aromatase (encoded by the CYP19A1 gene) regulates oestrogen biosynthesis and so plays an essential role in female fertility. We investigated the genetic association of CYP19A1 with the risk of anoestrus in Egyptian water buffaloes. A total of 651 animals (326 anoestrous and 325 cycling) were used in this case-control study. Using single-strand conformation polymorphisms and sequencing, four single nucleotide polymorphisms (SNPs) were detected; c.-135T>C SNP in the 5'UTR and three non-synonymous SNPs: c...
August 17, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28801214/lobar-hemorrhage-induced-by-acquired-factor-xiii-deficiency-in-a-patient-with-cerebral-amyloid-angiopathy
#2
Hidetaka Arishima, Hiroyuki Neishi, Ken-Ichiro Kikuta, Mihoko Morita, Naoko Hosono, Takahiro Yamauchi, Masayoshi Souri, Akitada Ichinose
A 68-year-old man presented with intracranial hemorrhage in the right frontal lobe, which rapidly increased the day after admission. We performed hematoma removal with a biopsy of the cortex around the hematoma. The day after the operation, a subcutaneous hematoma over the craniotomy appeared, and the computed tomography showed a recurrent hemorrhage with an acute subdural hematoma. We were aware of a bleeding tendency, and a detailed hematologic examination by hematologists revealed autoimmune acquired factor XIII deficiency due to an antifactor XIII antibody...
August 8, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28795776/redo-coloanal-anastomosis-for-anastomotic-leakage-after-low-anterior-resection-for-rectal-cancer-an-analysis-of-59-cases
#3
Emma Westerduin, Wernard A Borstlap, Gijsbert D Musters, Marinke Westerterp, Anna A W van Geloven, Pieter J Tanis, Albert M Wolthuis, Willem A Bemelman, André D'Hoore
AIM: Constructing a new coloanal anastomosis (CAA) following anastomotic leakage after low anterior resection (LAR) is challenging. The available literature on this topic is scarce. The aim of this two-centre study was to determine the clinical success and morbidity after redo CAA. METHOD: In this retrospective cohort study, all patients with anastomotic leakage after LAR for rectal cancer who underwent a redo CAA between 2010 and 2014 in two tertiary referral centres were included...
August 10, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28795726/a-hollow-fiber-system-for-simple-generation-of-human-brain-organoids
#4
Yujuan Zhu, Li Wang, Fangchao Yin, Yue Yu, Yaqing Wang, Hui Liu, Hui Wang, Ning Sun, Haitao Liu, Jianhua Qin
3D organoids exhibit near-physiological morphogenesis and histology relying on the self-organization of human pluripotent stem cells (hPSCs), representing a new class of in vitro model for studying developmental biology and diseases. An engineered approach is highly desirable to generate sufficient organoids in a simple and efficient manner. Herein, we present a new strategy for the simple formation of massive human brain organoids from hiPSCs within a hollow fiber reactor system by combining fiber materials with the developmental biology principle...
August 10, 2017: Integrative Biology: Quantitative Biosciences From Nano to Macro
https://www.readbyqxmd.com/read/28793922/comparison-of-novel-and-standard-diagnostic-tools-for-the-detection-of-schistosoma-mekongi-infection-in-lao-people-s-democratic-republic-and-cambodia
#5
Youthanavanh Vonghachack, Somphou Sayasone, Virak Khieu, Robert Bergquist, Govert J van Dam, Pytsje T Hoekstra, Paul L A M Corstjens, Beatrice Nickel, Hanspeter Marti, Jürg Utzinger, Sinuon Muth, Peter Odermatt
BACKGROUND: Given the restricted distribution of Schistosoma mekongi in one province in Lao People's Democratic Republic (Lao PDR) and two provinces in Cambodia, together with progress of the national control programmes aimed at reducing morbidity and infection prevalence, the elimination of schistosomiasis mekongi seems feasible. However, sensitive diagnostic tools will be required to determine whether elimination has been achieved. We compared several standard and novel diagnostic tools in S...
August 10, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28776543/transcatheter-closure-of-congenital-coronary-artery-fistulas-with-a-giant-coronary-artery-aneurysm-in-children-experiences-from-a-single-center
#6
Yi-Fan Li, Zhi-Wei Zhang, Shu-Shui Wang, Zhao-Feng Xie, Xu Zhang, Yu-Fen Li
BACKGROUND: Transcatheter closure of congenital coronary artery fistulas (CCAFs) is an alternative therapy to surgery; however, data regarding transcatheter closure for CCAF with a giant coronary artery aneurysm (CAA) in pediatric patients are still limited due to the rarity of the disease. We aimed to evaluate the efficacy and safety of transcatheter closure for CCAF with a giant CAA in a pediatric population at a single center. METHODS: Medical records of pediatric patients (<18 years old) who underwent transcatheter closure of CCAF with a giant CAA between April 2007 and September 2016 at Guangdong Cardiovascular Institute (Guangdong, China) were reviewed...
August 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28774615/effects-of-halobenzoquinone-and-haloacetic-acid-water-disinfection-byproducts-on-human-neural-stem-cells
#7
Katherine Z Fu, Jinhua Li, Sai Vemula, Birget Moe, Xing-Fang Li
Human neural stem cells (hNSCs) are a useful tool to assess the developmental effects of various environmental contaminants; however, the application of hNSCs to evaluate water disinfection byproducts (DBPs) is scarce. Comprehensive toxicological results are essential to the prioritization of DBPs for further testing and regulation. Therefore, this study examines the effects of DBPs on the proliferation and differentiation of hNSCs. Prior to DBP treatment, characteristic protein markers of hNSCs from passages 3 to 6 were carefully examined and it was determined that hNSCs passaged 3 or 4 times maintained stem cell characteristics and can be used for DBP analysis...
August 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28768966/multiple-giant-coronary-artery-aneurysms
#8
Hiroki Usuku, Sunao Kojima, Naoto Kuyama, Shinsuke Hanatani, Satoshi Araki, Kenichi Tsujita, Ryusuke Tsunoda, Toshihiro Fukui, Seiji Hokimoto
A 74-year-old man was admitted to our hospital with chest pain and dyspnea associated with ST elevation in leads II, III and aVF. An echocardiogram showed an enlarged mass lesion measuring nearly 80 mm. Coronary angiography showed two giant coronary artery aneurysms (CAAs) in the right coronary artery (RCA). CAAs were also seen in the left main trunk and left anterior descending artery. Computed tomography showed the CAA in the RCA was ruptured into the right atrium. We therefore diagnosed this patient with multiple CAAs, myocardial infarction and coronary artery rupture...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28764069/effects-of-pulsed-electric-field-on-intracellular-antioxidant-activity-and-antioxidant-enzyme-regulating-capacities-of-pine-nut-pinus-koraiensis-peptide-qdhch-in-hepg2-cells
#9
Rong Liang, Zuoming Zhang, Songyi Lin
Effects of pulse electric field (PEF) on antioxidant activity of pine nut (Pinus koraiensis) peptide were discussed using H2O2-induced HepG2 cells and changes of peptide structures were measured by MIR, NMR and CD spectra. Using HPLC-MS/MS, a novel peptide was identified as QDHCH. After PEF treatment the DPPH and ABTS radical inhibition, and CAA values of QDHCH were increased to 85.13%±0.17%, 95.45%±0.12%, and 4670.10μmol of quercetin equivalents/100g. The PEF-treated QDHCH has better protective oxidative stress inhibitory of 74...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28761931/unc5c-variants-are-associated-with-cerebral-amyloid-angiopathy
#10
Hyun-Sik Yang, Charles C White, Lori B Chibnik, Hans-Ulrich Klein, Julie A Schneider, David A Bennett, Philip L De Jager
OBJECTIVE: To determine whether common genetic variants in UNC5C, a recently identified late-onset Alzheimer disease (LOAD) dementia susceptibility gene, are associated with AD susceptibility or AD-related clinical/pathologic phenotypes. METHODS: We used data from deceased individuals of European descent who participated in the Religious Orders Study or the Rush Memory and Aging Project (n = 1,288). We examined whether there were associations between single nucleotide polymorphisms (SNPs) within ±100 kb of the UNC5C gene and a diagnosis of AD dementia, global cognitive decline, a pathologic diagnosis of AD, β-amyloid load, neuritic plaque count, diffuse plaque count, paired helical filament tau density, neurofibrillary tangle count, and cerebral amyloid angiopathy (CAA) score...
August 2017: Neurology. Genetics
https://www.readbyqxmd.com/read/28757406/subdural-hemorrhage-from-cerebral-amyloid-angiopathy-related-intracerebral-hemorrhage-a-risk-factor-for-postoperative-hemorrhage
#11
Lei Xia, Wen Min, Xianghe Lu, Chengde Wang, Zeping Jiang, Yu Zhang, Sheng Ye, Zhipeng Su, Weiming Zheng, Meihao Wang, Jianmin Li, Jinseng Wu, Qichuan Zhuge
OBJECTIVE: Surgical treatment for cerebral amyloid angiopathy (CAA)-related intracerebral hemorrhage (ICH) remains controversial. A subset of CAA-related ICH with associated subdural hemorrhage (SDH), has been reported. This study aimed to evaluate the clinical results and surgical outcomes of this type of ICH with associated SDH. METHODS: Ninety-eight cases of CAA-related ICH who met Boston criteria, were enrolled in the study. They were divided into those with and without SDH...
July 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28753597/urotensin-2-in-kawasaki-disease-pathogenesis
#12
Cassidy Y Huang, Jane C Burns, Chisato Shimizu
BACKGROUND: Genetic variation in calcium signaling pathways is associated with Kawasaki disease (KD) susceptibility and coronary artery aneurysms (CAA). Expression quantitative trait locus analysis for KD-associated variants in calcium/sodium channel gene solute carrier family 8 member 1 (SLC8A1) revealed an effect on expression of urotensin 2 (UTS2). We speculated that UTS2 is influenced by genetic variation in SLC8A1 and contributes to disease pathogenesis. METHODS: We measured levels of UTS2 and its receptor in blood and tissues using quantitative reverse transcription polymerase chain reaction, enzyme-linked immunosorbent assay and immunohistochemical staining...
July 28, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28753096/conservative-treatment-of-patients-with-thromboangiitis-obliterans-or-cannabis-associated-arteritis-presenting-with-critical-lower-limb-ischaemia
#13
George Galyfos, Stavros Kerasidis, Georgios Kastrisios, Sotirios Giannakakis, Ioannis Sachmpazidis, Christiana Anastasiadou, Georgios Geropapas, Anastasios Papapetrou, Gerasimos Papacharalampous, Chrisostomos Maltezos
BACKGROUND: Proper management of patients with thromboangiitis obliterans (TAO) or cannabis-associated arteritis (CAA), presenting with critical lower limb ischaemia (CLI) remains controversial, and data are limited. PATIENTS AND METHODS: Patients with TAO or CAA presenting with CLI between 2011 and 2016 were retrospectively evaluated. Patients requiring primary intervention were excluded. Conservative treatment included: (a) weight-adjusted bemiparin plus six hours/day intravenous iloprost for 28 days, (b) aspirin (100 mg/day) plus cilostazol (100 mg twice/day) after discharge, and (c) strict recommendations/monitoring for smoking cessation...
July 28, 2017: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/28747441/brain-hemorrhage-recurrence-small-vessel-disease-type-and-cerebral-microbleeds-a-meta-analysis
#14
Andreas Charidimou, Toshio Imaizumi, Solene Moulin, Alexandro Biffi, Neshika Samarasekera, Yusuke Yakushiji, Andre Peeters, Yves Vandermeeren, Patrice Laloux, Jean-Claude Baron, Mar Hernandez-Guillamon, Joan Montaner, Barbara Casolla, Simone M Gregoire, Dong-Wha Kang, Jong S Kim, H Naka, Eric E Smith, Anand Viswanathan, Hans R Jäger, Rustam Al-Shahi Salman, Steven M Greenberg, Charlotte Cordonnier, David J Werring
OBJECTIVE: We evaluated recurrent intracerebral hemorrhage (ICH) risk in ICH survivors, stratified by the presence, distribution, and number of cerebral microbleeds (CMBs) on MRI (i.e., the presumed causal underlying small vessel disease and its severity). METHODS: This was a meta-analysis of prospective cohorts following ICH, with blood-sensitive brain MRI soon after ICH. We estimated annualized recurrent symptomatic ICH rates for each study and compared pooled odds ratios (ORs) of recurrent ICH by CMB presence/absence and presumed etiology based on CMB distribution (strictly lobar CMBs related to probable or possible cerebral amyloid angiopathy [CAA] vs non-CAA) and burden (1, 2-4, 5-10, and >10 CMBs), using random effects models...
July 26, 2017: Neurology
https://www.readbyqxmd.com/read/28742480/from-ca%C3%A3-eh%C3%A3-to-a-commercial-sweetener-the-diterpenoid-glycosides-of-stevia-rebaudiana
#15
James R Hanson
The isolation, structure elucidation, chemistry, biosynthesis and biological activity of the sweet steviol glycosides from Stevia rebaudiana, are reviewed.
December 1, 2016: Science Progress
https://www.readbyqxmd.com/read/28734587/computed-tomography-predict-regression-of-coronary-artery-aneurysm-in-patients-with-kawasaki-disease
#16
Po-Ting Chen, Ming-Tai Lin, Yih-Sharng Chen, Shyh-Jye Chen, Mei-Hwan Wu
BACKGROUND/PURPOSE: The study evaluated possible factors influencing the regression of coronary artery aneurysm (CAA) in patients with Kawasaki disease (KD) through electrocardiographically gated cardiac computed tomography (CT). METHODS: 18 patients with KD exhibited CAAs in at least 2 CT examinations conducted from December 2004 to September 2015, and 37 aneurysms were observed. Every aneurysm was corrected through the descending aorta at the origin level of the left main coronary artery under a normal distribution and measured under a fixed window level...
July 19, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28728954/ultrasound-histopathological-and-genetic-features-of-uveal-melanoma-in-a-mexican-mestizo-population
#17
S Delgado, A Rodriguez Reyes, L Mora Rios, A Dueñas-González, L Taja-Chayeb, E Moragrega Adame
OBJECTIVE: To describe the ultrasound, histopathological and genetic characteristics of uveal melanoma in a Mexican-Mestizo population. MATERIAL AND METHODS: A total of 39 enucleated eyes with a histopathological diagnosis of uveal melanoma were assessed by describing the clinical findings, and ultrasound, histopathological and genetic features. RESULTS: A high correlation was observed between tumour height measurement using ultrasound and histopathology...
July 17, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28724587/florbetapir-imaging-in-cerebral-amyloid-angiopathy-related-hemorrhages
#18
Nicolas Raposo, Mélanie Planton, Patrice Péran, Pierre Payoux, Fabrice Bonneville, Aicha Lyoubi, Jean François Albucher, Blandine Acket, Anne Sophie Salabert, Jean Marc Olivot, Anne Hitzel, François Chollet, Jérémie Pariente
OBJECTIVE: To assess whether (18)F-florbetapir, a PET amyloid tracer, could bind vascular amyloid in cerebral amyloid angiopathy (CAA) by comparing cortical florbetapir retention during the acute phase between patients with CAA-related lobar intracerebral hemorrhage (ICH) and patients with hypertension-related deep ICH. METHODS: Patients with acute CAA-related lobar ICH were prospectively enrolled and compared with patients with deep ICH. (18)F-florbetapir PET, brain MRI, and APOE genotype were obtained for all participants...
July 19, 2017: Neurology
https://www.readbyqxmd.com/read/28717091/thrombolysis-related-multiple-lobar-hemorrhaging-in-cerebral-amyloid-angiopathy-with-extensive-strictly-lobar-cerebral-microbleeding
#19
Makoto Eriguchi, Yusuke Yakushiji, Jun Tanaka, Masashi Nishihara, Hideo Hara
A hemi-paralyzed 86-year-old man was diagnosed with ischemic stroke and underwent thrombolysis. Pre-thrombolysis brain magnetic resonance imaging revealed extensive strictly lobar cerebral microbleeding (CMB). Post-thrombolytic computed tomography revealed asymptomatic multiple intracerebral hemorrhaging (ICH). His age, CMB topography, and decreased cerebral spinal fluid amyloid-β 40 and 42 levels were compatible with a diagnosis of cerebral amyloid angiopathy (CAA). There is no consensus on the safety of thrombolysis for acute stroke patients with CAA...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28715174/tunable-upper-critical-solution-temperatures-for-acrylamide-copolymers-with-bile-acid-pendants
#20
Yong-Guang Jia, Qixuan Yu, Zhiyuan Ma, Meng Zhang, X X Zhu
Acrylamide derivatives of bile acids are chosen as a hydrophobic comonomer to copolymerize with acrylamide via reversible addition and fragmentation chain transfer (RAFT) polymerization to afford a series of copolymers of P(AAm-co-CAA). These copolymers exhibit a sharp and reversible insoluble-soluble transition in water upon heating to a mixing temperature (Tmix) related to the upper critical solution temperature (UCST). Tmix of these copolymers can be conveniently tuned to a practical temperature range, around 37 °C for biomedical applications...
July 28, 2017: Biomacromolecules
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