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https://www.readbyqxmd.com/read/27914244/surgical-treatment-and-histopathological-assessment-of-advanced-cervicovaginal-carcinoma-a-prospective-study-and-retrospective-analysis
#1
Michael Höckel, Benjamin Wolf, Bettina Hentschel, Lars-Christian Horn
BACKGROUND: Standard treatment of advanced cervicovaginal cancer [international federation of gynecology and obstetrics (FIGO) stages II(B), III(A, B), IVA] is (chemo-)radiation excluding the possibility of systematic histopathological assessment of locoregional tumour spread. Laterally extended endopelvic resection (LEER) and therapeutic lymph node dissection (tLND) are novel surgical treatment options for advanced cervicovaginal cancer. METHODS: The therapeutic efficacy of LEER for locally advanced primary and recurrent cervicovaginal cancer was reassessed by an update of the prospective observational trial at the University of Leipzig...
November 30, 2016: European Journal of Cancer
https://www.readbyqxmd.com/read/27914025/case-of-an-old-man-with-aortic-dissection-type-a-and-enlarging-meningioma
#2
Giulia Lancellotti, Caterina Rontauroli, Elisabete Turrini, Marco Bertolotti, Chiara Mussi
No abstract text is available yet for this article.
December 2, 2016: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/27913945/the-effect-of-prophylactic-central-neck-dissection-on-locoregional-recurrence-in-papillary-thyroid-cancer-after-total-thyroidectomy-a-systematic-review-and-meta-analysis-pcnd-for-the-locoregional-recurrence-of-papillary-thyroid-cancer
#3
Wenjing Zhao, Lei You, Xianming Hou, Shaobo Chen, Xiaoxia Ren, Ge Chen, Yupei Zhao
BACKGROUND: The use of prophylactic central neck dissection (pCND) for papillary thyroid cancer (PTC) without clinical evidence of nodal metastasis (cN0) remains controversial. This study was designed to examine whether pCND for PTC affected locoregional recurrence (LRR). METHODS: A systematic review was performed to compare the LRR between patients with PTC who underwent total thyroidectomy (TT) and pCND and those who underwent TT alone. The primary outcome was LRR...
December 2, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27913858/limitation-of-intraoperative-frozen-section-during-thyroid-surgery
#4
Sandrine Estebe, Cecile Montenat, Adrien Tremoureux, Chloé Rousseau, François Bouilloud, Franck Jegoux
Retrospective analysis on 312 patients, operated for thyroid nodules between 2014 and 2015, was conducted to evaluate the impact of frozen section analysis on the strategy of thyroid nodule surgery. One hundred and ninety-three patients were included. They all underwent preoperative US, fine needle aspiration cytology (FNAC), per operative frozen section (FS) and post operative definitive pathological analysis. Se, Sp, VPP and VPN of FNAC and FS were calculated and compared (McNemar's test). Multivariate analysis was performed to identify independent factor of good results...
December 2, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27913739/structure-activity-relation-of-amor-sugar-molecule-that-activates-pollen-tubes-for-ovular-guidance
#5
Jiao Jiao, Akane G Mizukami, Subramanian Sankaranarayanan, Junichiro Yamguchi, Kenichiro Itami, Tetsuya Higashiyama
Successful fertilization in flowering plants depends on the precise directional growth control of pollen tube through the female pistil tissue, towards the female gametophyte contained in the ovule for delivery of non-motile sperm cells. Cysteine-rich peptides LUREs secreted from the synergid cells on either side of the egg cell act as ovular attractants of pollen tubes. Competency control by the pistil is crucial for the response of pollen tubes to these ovular attractants. We recently reported that ovular 4-O-methyl-glucuronosyl arabinogalactan AMOR induces competency of the pollen tube to respond to ovular attractant LURE peptides in Torenia fournieri...
December 2, 2016: Plant Physiology
https://www.readbyqxmd.com/read/27913295/dissection-of-functional-lncrnas-in-alzheimer-s-disease-by-construction-and-analysis-of-lncrna-mrna-networks-based-on-competitive-endogenous-rnas
#6
Lian-Kun Wang, Xiao-Feng Chen, Dan-Dan He, You Li, Jin Fu
Alzheimer's disease (AD) is a neurodegenerative disorder that is the most common cause of dementia in the elderly, and intracellular neurofibrillary tangles (NFTs) are one of the pathological features of AD. Recent studies have suggested long noncoding RNAs (lncRNAs) play important roles in AD. Competing endogenous RNAs (ceRNAs) is a mechanism that has recently been proposed, in which lncRNAs compete for common miRNA-binding sites with mRNAs. However, the roles of lncRNAs and ceRNA in AD NFTs is limited. In this study, we constructed a global triple network based on ceRNA theory, then an AD NFT lncRNA-mRNA network (NFTLMN) was generated...
November 29, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27913261/typical-symptoms-of-normal-pressure-hydrocephalus-caused-by-choroid-plexus-papilloma-in-the-cerebellopontine-angle-a-case-report
#7
Hiroshi Ito, Yukiko Nakahara, Masatou Kawashima, Jun Masuoka, Tatsuya Abe, Toshio Matsushima
BACKGROUND: Choroid plexus papillomas (CPPs) are rare benign intracranial tumors. Here, we report a rare case of CPP presenting with typical symptoms of normal-pressure hydrocephalus not with obstructive hydrocephalus. CASE DESCRIPTION: A 45-year-old female presented with a 6-year history of headache and typical symptoms of normal-pressure hydrocephalus (NPH) such as gait disturbance, urinary incontinence, and cognitive dysfunction in addition to the more common symptoms of choroid plexus papillomas (CPP), such as lower cranial nerve dysfunctions and ataxia...
November 29, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27913184/tolerance-of-hyperammonemia-in-brain-of-heteropneustes-fossilis-is-supported-by-glutamate-glutamine-cycle
#8
Suman Mishra, Rajnikant Mishra
This report presents analysis of molecular switches associated with tolerance to hyperammonemia in Heteropneustes fossilis because it tolerates about 100-fold more ammonia than mammals. Brains of Heteropneustes fossilis exposed to 100mM ammonium chloride were dissected after Zero hour as control, 16hrs and 20hrs exposure. The status of neuron and glia were analysed by Golgi staining, Luxol Fast Blue, and Nissl's staining. The expression patterns of genes associated to homeostasis of neuron and glia, management of oxidative stress and inflammation, ammonia metabolism and brain derived neurotrophic factor were analysed through reverse-transcriptase-polymerase chain reaction...
November 29, 2016: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/27913152/development-and-validation-of-an-objective-scoring-tool-for-robot-assisted-radical-prostatectomy-prostatectomy-assessment-and-competency-evaluation-pace
#9
Ahmed A Hussein, Khurshid R Ghani, James Peabody, Richard Sarle, Ronney Abaza, Daniel Eun, Jim Hu, Michael Fumo, Brian Lane, Jeffrey Montgomery, Nobuyuki Hinata, Deborah Rooney, Bryan Comstock, Hei Kit Chan, Sridhar S Mane, James L Mohler, Gregory Wilding, David Miller, Khurshid A Guru
INTRODUCTION: and Background: Comprehensive training and skill acquisition by urologic surgeons are vital to optimize surgical outcomes and patient safety. We sought to develop and validate an objective and procedure specific tool to assess the quality of robot-assisted radical prostatectomy (RARP)-Prostatectomy Assessment and Competence Evaluation (PACE) METHODS: Development and content validation of PACE was performed by deconstruction of RARP into seven key domains utilizing the Delphi methodology...
November 29, 2016: Journal of Urology
https://www.readbyqxmd.com/read/27913078/pulmonary-artery-dissection-following-balloon-valvuloplasty-in-a-dog-with-pulmonic-stenosis
#10
K A Grint, H B Kellihan
A 3-month-old, 9.9 kg, male pit bull cross was referred for evaluation of collapse. A left basilar systolic heart murmur graded V/VI and a grade IV/VI right basilar systolic heart murmur were ausculted. Echocardiography showed severe pulmonic stenosis characterized by annular hypoplasia, leaflet thickening, and leaflet fusion. After 1 month of atenolol therapy, a pulmonic valve balloon valvuloplasty procedure was performed, and the intra-operative right ventricular pressure was reduced by 43%. Echocardiography, performed the following day, showed apparent rupture of a pulmonary valve leaflet and a membranous structure within the pulmonary artery consistent with a dissecting membrane...
November 30, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27912930/prognostic-significance-of-venous-invasion-and-maximum-standardized-uptake-value-of-18-f-fdg-pet-ct-in-surgically-resected-t1n0-esophageal-squamous-cell-carcinoma
#11
J H Jeon, J M Lee, D H Moon, H C Yang, M S Kim, G-K Lee, J I Zo
BACKGROUND: The purpose of this study was to analyze the risk factors of recurrence in patients with early stage esophageal squamous cell carcinoma (ESCC). METHODS: We retrospectively analyzed the medical records of 190 patients with confirmed T1N0M0 ESCC after curative esophagectomy. The following potential prognostic factors for recurrence were investigated: age, sex, pathologic T category, tumor location, differentiation grade, tumor size, venous invasion, angiolymphatic invasion, perineural invasion and the maximum standardized uptake value (SUVmax) of the primary tumor...
November 22, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27912789/dynamics-of-antigenemia-and-transmission-intensity-of-wuchereria-bancrofti-following-cessation-of-mass-drug-administration-in-a-formerly-highly-endemic-region-of-mali
#12
Yaya I Coulibaly, Siaka Y Coulibaly, Housseini Dolo, Siaka Konate, Abdallah A Diallo, Salif S Doumbia, Lamine Soumaoro, Michel E Coulibaly, Ilo Dicko, Moussa B Sangare, Benoit Dembele, Modibo Sangare, Massitan Dembele, Yeya T Touré, Louise Kelly-Hope, Katja Polman, Dominique Kyelem, Sekou F Traore, Moses Bockarie, Amy D Klion, Thomas B Nutman
BACKGROUND: After seven annual rounds of mass drug administration (MDA) in six Malian villages highly endemic for Wuchereria bancrofti (overall prevalence rate of 42.7%), treatment was discontinued in 2008. Surveillance was performed over the ensuing 5 years to detect recrudescence. METHODS: Circulating filarial antigen (CFA) was measured using immunochromatographic card tests (ICT) and Og4C3 ELISA in 6-7 year-olds. Antibody to the W. bancrofti infective larval stage (L3) antigen, Wb123, was tested in the same population in 2012...
December 3, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27912063/structure-of-mammalian-respiratory-supercomplex-i1iii2iv1
#13
Meng Wu, Jinke Gu, Runyu Guo, Yushen Huang, Maojun Yang
The mammalian respiratory chain complexes assemble into supercomplexes (SCs) and reside in the inner mitochondrial membrane to transfer electrons and establish the proton gradient for complex V to synthesize ATP. The precise arrangement of SCs is largely unknown. Here, we report a 4.0-Å cryo-electron microscopy (cryo-EM) structure of the major SC in porcine heart, the 1.7-MDa SCI1III2IV1. The complex III (CIII) dimer and complex IV (CIV) bind at the same side of the L-shaped complex I (CI). Several accessory or supernumerary subunits of CI, such as NDUFA11, NDUFB4, NDUFB8, and NDUFB9, directly contribute to the oligomerization of CI, CIII, and CIV...
December 1, 2016: Cell
https://www.readbyqxmd.com/read/27912001/individual-and-combined-effects-of-two-types-of-phenological-shifts-on-predator-prey-interactions
#14
Nick L Rasmussen, Volker H W Rudolf
Timing of phenological events varies among years with natural variation in environmental conditions and is also shifting in response to climate change. These phenological shifts likely have many effects on species interactions. Most research on the ecological consequences of phenological shifts has focused on variation in simple metrics such as phenological firsts. However, for a population, a phenological event exhibits a temporal distribution with many attributes that can vary (e.g., mean, variance, skewness), each of which likely has distinct effects on interactions...
December 2016: Ecology
https://www.readbyqxmd.com/read/27911803/genomic-sequencing-based-mutational-enrichment-analysis-identifies-motility-genes-in-a-genetically-intractable-gut-microbe
#15
Sena Bae, Olaf Mueller, Sandi Wong, John F Rawls, Raphael H Valdivia
A major roadblock to understanding how microbes in the gastrointestinal tract colonize and influence the physiology of their hosts is our inability to genetically manipulate new bacterial species and experimentally assess the function of their genes. We describe the application of population-based genomic sequencing after chemical mutagenesis to map bacterial genes responsible for motility in Exiguobacterium acetylicum, a representative intestinal Firmicutes bacterium that is intractable to molecular genetic manipulation...
November 23, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27911800/an-%C3%AE-%C3%AE-hydrolase-fold-protein-in-the-biosynthesis-of-thiostrepton-exhibits-a-dual-activity-for-endopeptidyl-hydrolysis-and-epoxide-ring-opening-macrocyclization
#16
Qingfei Zheng, Shoufeng Wang, Panpan Duan, Rijing Liao, Dandan Chen, Wen Liu
Thiostrepton (TSR), an archetypal bimacrocyclic thiopeptide antibiotic that arises from complex posttranslational modifications of a genetically encoded precursor peptide, possesses a quinaldic acid (QA) moiety within the side-ring system of a thiopeptide-characteristic framework. Focusing on selective engineering of the QA moiety, i.e., by fluorination or methylation, we have recently designed and biosynthesized biologically more active TSR analogs. Using these analogs as chemical probes, we uncovered an unusual indirect mechanism of TSR-type thiopeptides, which are able to act against intracellular pathogens through host autophagy induction in addition to direct targeting of bacterial ribosome...
November 23, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27911770/the-right-incentives-enable-ocean-sustainability-successes-and-provide-hope-for-the-future
#17
Jane Lubchenco, Elizabeth B Cerny-Chipman, Jessica N Reimer, Simon A Levin
Healthy ocean ecosystems are needed to sustain people and livelihoods and to achieve the United Nations Sustainable Development Goals. Using the ocean sustainably requires overcoming many formidable challenges: overfishing, climate change, ocean acidification, and pollution. Despite gloomy forecasts, there is reason for hope. New tools, practices, and partnerships are beginning to transform local fisheries, biodiversity conservation, and marine spatial planning. The challenge is to bring them to a global scale...
December 2, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27911482/meat-quality-and-intramuscular-fatty-acid-composition-of-catria-horse
#18
Maria Federica Trombetta, Francesco Nocelli, Marina Pasquini
In order to extend scientific knowledge on autochthonous Italian equine meat, the physical-chemical parameters of Catria Horse Longissimus thoracis (LT) muscle and its nutritional characteristics have been investigated. Ten steaks of Catria foal raised at pasture and fattened indoors for 2 months were dissected, and LT muscle was analyzed for chemical composition, total iron, drip loss, colorimetric characteristics, intramuscular fat, fatty acid profile and nutritional indexes. Steak dissection showed that LT muscle accounted for 36...
December 2, 2016: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/27911416/the-indirect-neuron-astrocyte-coculture-assay-an-in-vitro-set-up-for-the-detailed-investigation-of-neuron-glia-interactions
#19
Christine Gottschling, Egor Dzyubenko, Maren Geissler, Andreas Faissner
Proper neuronal development and function is the prerequisite of the developing and the adult brain. However, the mechanisms underlying the highly controlled formation and maintenance of complex neuronal networks are not completely understood thus far. The open questions concerning neurons in health and disease are diverse and reaching from understanding the basic development to investigating human related pathologies, e.g., Alzheimer's disease and Schizophrenia. The most detailed analysis of neurons can be performed in vitro...
November 14, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911390/a-method-for-extracting-pigments-from-squid-doryteuthis-pealeii
#20
Christopher W DiBona, Thomas L Williams, Sean R Dinneen, Stephanie F Jones Labadie, Leila F Deravi
Cephalopods can undergo rapid and adaptive changes in dermal coloration for sensing, communication, defense, and reproduction purposes. These capabilities are supported in part by the areal expansion and retraction of pigmented organs known as chromatophores. While it is known that the chromatophores contain a tethered network of pigmented granules, their structure-function properties have not been fully detailed. We describe a method for isolating the nanostructured granules in squid Doryteuthis pealeii chromatophores and demonstrate how their associated pigments can be extracted in acidic solvents...
November 9, 2016: Journal of Visualized Experiments: JoVE
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