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https://www.readbyqxmd.com/read/28092915/malignant-mixed-m%C3%A3-llerian-tumour-of-the-uterus-analysis-of-44-cases
#1
Silvana Grasso, Vera Loizzi, Valentina Minicucci, Leonardo Resta, Anna Lina Camporeale, Ettore Cicinelli, Gennaro Cormio
OBJECTIVES: The aim of our study was to evaluate the clinicopathological features and prognostic factors of uterine carcinosarcoma. PATIENTS AND METHODS: In this retrospective study, the clinical characteristics of 44 patients with uterine MMMT were evaluated. Survival curves were estimated by the Kaplan-Meier method and compared by the log-rank test. RESULTS: Forty-four patients with uterine carcinosarcoma were referred to our unit between 1995 and 2015...
January 17, 2017: Oncology
https://www.readbyqxmd.com/read/28092805/circumstantial-evidence-of-life-history-events-in-loricate-choanoflagellates
#2
Helge Abildhauge Thomsen, Jette Buch Østergaard
Sex is found in all major eukaryotic groups of organisms. It has been known for some time that the choanoflagellates also possess the genes involved in meiosis and a full sexual cycle was also recently accounted for in Salpingoeca rosetta. With reference to the loricate choanoflagellates the current status is that only circumstantial evidence, from wild material of Bicosta spinifera, exists in favour of documenting division patterns that go beyond plain asexual division, and that has the potential to represent stages in a sexual life cycle...
December 27, 2016: European Journal of Protistology
https://www.readbyqxmd.com/read/28092794/%C3%AE-defensin-3-modulates-macrophage-activation-and-orientation-during-acute-inflammatory-response-to-porphyromonas-gingivalis-lipopolysaccharide
#3
Jinglu Lyu, Tianying Bian, Bin Chen, Di Cui, Lili Li, Ling Gong, Fuhua Yan
β-defensin 3, a multifunctional antimicrobial peptide, has immuno-regulatory activities. We investigated the modulatory mechanism of human β-defensin 3 (hBD3) on acute inflammatory response resulted from Porphyromonas gingivalis lipopolysaccharide (P.g-LPS), which plays a pro-inflammatory role in periodontal infection and its derived systemic inflammation. P.g-LPS was administrated to mice and murine macrophages alone or along with hBD3. P.g-LPS could lead to acute inflammation as soon as 2h. And it was observed that hBD3 significantly decreased the production of pro-inflammatory biomarkers of in response to P...
January 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28092767/effects-of-oil-dispersant-on-ozone-oxidation-of-phenanthrene-and-pyrene-in-marine-water
#4
Yanyan Gong, Dongye Zhao
This work investigated effects of a popular oil dispersant (Corexit EC9500A) on oxidation of phenanthrene and pyrene (two model polycyclic aromatic hydrocarbons) in Gulf coast seawater under simulated atmospheric ozone. The degradation data followed a two-stage pseudo-first order kinetics, a slower initial reaction rate followed by a much faster rate in longer time. The ozonation rate for pyrene was faster than that for phenanthrene. The presence of 18 and 180 mg/L of the dispersant inhibited the first-order degradation rate by 32-80% for phenanthrene, and 51-85% for pyrene...
January 4, 2017: Chemosphere
https://www.readbyqxmd.com/read/28092763/growth-and-antioxidant-defense-responses-of-wheat-seedlings-to-di-n-butyl-phthalate-and-di-2-ethylhexyl-phthalate-stress
#5
Minling Gao, Youming Dong, Ze Zhang, Wenhua Song, Yun Qi
Phthalate acid esters (PAEs) are vital environmental hormone-like chemicals that are noxious to plants, animals, and human beings. In this study, the influences of di-n-butyl phthalate (DBP) and di (2-ethylhexyl) phthalate (DEHP) on the seed germination, root morphology, and various physiological changes of wheat seedlings were investigated by analyzing superoxide anion (O2(-)) accumulation, antioxidant enzyme activity, and lipid peroxidation. DBP and DEHP were found to obviously inhibit germination only at high concentrations, but significantly affected root morphology even at lower concentrations...
January 5, 2017: Chemosphere
https://www.readbyqxmd.com/read/28092742/short-term-in-vivo-exposure-to-graphene-oxide-can-cause-damage-to-the-gut-and-testis
#6
Marta Dziewięcka, Julia Karpeta-Kaczmarek, Maria Augustyniak, Magdalena Rost-Roszkowska
Graphene oxide (GO) has unique physicochemical properties and also has a potentially widespread use in every field of daily life (industry, science, medicine). Demand for nanotechnology is growing every year, and therefore many aspects of its toxicity and biocompatibility still require further clarification. This research assesses the in vivo toxicity of pure and manganese ion-contaminated GO that were administrated to Acheta domesticus with food (at 200mgkg(-1) of food) throughout their ten-day adult life...
January 9, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28092732/enhancement-of-lipid-productivity-by-adopting-multi-stage-continuous-cultivation-strategy-in-nannochloropsis-gaditana
#7
Min-Gyu Sung, Bongsoo Lee, Chul Woong Kim, Kibok Nam, Yong Keun Chang
In the present study, a novel process-based cultivation system was designed to improve lipid productivity of Nannochloropsis gaditana, an oleaginous microalga that has high potential for biofuel production. Specifically, four flat-panel photobioreactors were connected in series, and this system was subjected to continuous chemostat cultivation by feeding fresh medium to the first reactor at dilution rates of 0.028 and 0.056day(-1), which were determined based on Monod kinetics. The results show that the serially connected photobioreactor system achieved 20...
December 30, 2016: Bioresource Technology
https://www.readbyqxmd.com/read/28092682/limited-heterogeneity-of-known-driver-gene-mutations-among-the-metastases-of-individual-patients-with-pancreatic-cancer
#8
Alvin P Makohon-Moore, Ming Zhang, Johannes G Reiter, Ivana Bozic, Benjamin Allen, Deepanjan Kundu, Krishnendu Chatterjee, Fay Wong, Yuchen Jiao, Zachary A Kohutek, Jungeui Hong, Marc Attiyeh, Breanna Javier, Laura D Wood, Ralph H Hruban, Martin A Nowak, Nickolas Papadopoulos, Kenneth W Kinzler, Bert Vogelstein, Christine A Iacobuzio-Donahue
The extent of heterogeneity among driver gene mutations present in naturally occurring metastases-that is, treatment-naive metastatic disease-is largely unknown. To address this issue, we carried out 60× whole-genome sequencing of 26 metastases from four patients with pancreatic cancer. We found that identical mutations in known driver genes were present in every metastatic lesion for each patient studied. Passenger gene mutations, which do not have known or predicted functional consequences, accounted for all intratumoral heterogeneity...
January 16, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28092636/an-analysis-of-intrinsic-variations-of-low-frequency-shear-wave-speed-in-a-stochastic-tissue-model-the-first-application-for-staging-liver-fibrosis
#9
Yu Wang, Min Wang, Jingfeng Jiang
Shear wave elastography is increasingly being used to non-invasively stage liver fibrosis by measuring shear wave speed (SWS). This study quantitatively investigates intrinsic variations among SWS measurements obtained from heterogeneous media such as fibrotic livers. More specifically, it aims to demonstrate that intrinsic variations in SWS measurements, in general, follow a non-Gaussian distribution and are related to the heterogeneous nature of the medium being measured. Using the principle of maximum entropy (ME), our primary objective is to derive a probability density function (PDF) of the SWS distribution in conjunction with a lossless stochastic tissue model...
February 7, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28092623/ultrasonography-a-method-used-for-pregnancy-imaging-of-the-fire-salamander-salamandra-salamandra
#10
A Najbar, Z Kiełbowicz, J Szymczak, M Ogielska
Ultrasound imaging has more frequently been used in veterinary medicine of amphibians and reptiles. In this study, we have verified the usefulness of ultrasound imaging in pregnancy determination of the fire salamander Salamandra salamandra. We have also undertaken to estimate the number of larvae and their developmental stage directly in the oviducts. Three gravid females from Lower Silesia (southern Poland) were examined. Due to the small size of the scanned animals, and the particular arrangement of embryos in the oviducts and ultrasound beams dispersal, the method proved to be inaccurate...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092620/correlation-between-peripheral-blood-cell-transcriptomic-profile-and-clinical-parameters-of-chronic-mitral-valve-disease-in-dachshunds
#11
M Garncarz, M Hulanicka, H Maciejewski, M Parzeniecka-Jaworska, M Jank
Studies identifying specific pathologically expressed genes have been performed on diseased myocardial tissue samples, however less invasive studies on gene expression of peripheral blood mononucleated cells give promising results. This study assessed transcriptomic data that may be used to evaluate Dachshunds with chronic mitral valve disease. Dachshunds with different stages of heart disease were compared to a control, healthy group. Microarray data analysis revealed clusters of patients with similar expression profiles...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092619/concentration-of-lactoferrin-and-immunoglobulin-g-in-cows-milk-in-relation-to-health-status-of-the-udder-lactation-and-season
#12
K Musayeva, A Sederevičius, R Želvytė, I Monkevičienė, D Beliavska-Aleksiejūnė, S Kerzienė
The aim of this study was to analyze an effect of udder health status, somatic cell count (SCC), stage and number of lactations, and different seasons on the concentration of lactoferrin (LF) and immunoglobulin G (IgG) in quarter milk samples (n=120) from crossbreed (Lithuanian Black-and-White & Holstein) dairy cows. Quarter health status was based on SCC and microbiological analysis. The highest mean value of LF and IgG were observed in quarters with subclinical mastitis 0.1 ± 0.02 mg/ml and 0.41 ± 0.06 mg/ml, respectively...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092607/proanp-as-a-screening-biomarker-for-hypertrophic-cardiomyopathy-in-maine-coon-cats
#13
M Parzeniecka-Jaworska, M Garncarz, W Kluciński
: The aim of this study was to determine if atrial natriuretic peptide can be used as an early screening tool for hypertrophic cardiomyopathy in Maine coon cats. ANIMALS: The study was performed in 43 Maine coon cats of both sexes, aged 11 to 92 months. Clinical and echocardiographic examinations were done and proANP serum concentrations were measured every three months over a period of one year (each cat had a total of five examinations). Cats were divided into 3 groups based on echocardiographic results: group 1 - healthy cats, group 2 - cats with unequivocal hypertrophic cardiomyopathy results, group 3 - cats with HCM...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092598/evaluation-of-venous-blood-gas-levels-blood-chemistry-and-haemocytometric-parameters-in-milk-fed-veal-calves-at-different-periods-of-livestock-cycle
#14
S Giambelluca, E Fiore, A Sadocco, M Gianesella, I Vazzana, T Orefice, M Morgante
An evaluation of blood chemistry profile in relation to specific stages of livestock cycle can help better understand variations in physiological conditions in order to adjust management systems to animal needs. In addition to basal hematological investigation, the acid-base balance and blood gases are essential tools in evaluating metabolism in calves. The relationship between blood gas parameters, diet and growth should be further investigated. The aim of this study was to evaluate changes in acid-base status, blood gases, serum chemistry and hematological parameters in veal calves at different periods of livestock cycle...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092591/relational-regularized-discriminative-sparse-learning-for-alzheimer-s-disease-diagnosis
#15
Baiying Lei, Peng Yang, Tianfu Wang, Siping Chen, Dong Ni
Accurate identification and understanding informative feature is important for early Alzheimer's disease (AD) prognosis and diagnosis. In this paper, we propose a novel discriminative sparse learning method with relational regularization to jointly predict the clinical score and classify AD disease stages using multimodal features. Specifically, we apply a discriminative learning technique to expand the class-specific difference and include geometric information for effective feature selection. In addition, two kind of relational information are incorporated to explore the intrinsic relationships among features and training subjects in terms of similarity learning...
January 16, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28092583/deep-learning-and-insomnia-assisting-clinicians-with-their-diagnosis
#16
Mostafa Shahin, Beena Ahmed, Sana Tmar-Ben Hamida, Fathima Mulaffer, Martin Glos, Thomas Penzel
Effective sleep analysis is hampered by the lack of automated tools catering for disordered sleep patterns and cumbersome monitoring hardware. In this paper, we apply deep learning on a set of 57 EEG features extracted from a maximum of two EEG channels to accurately differentiate between patients with insomnia or controls with no sleep complaints. We investigated two different approaches to achieve this. The first approach used EEG data from the whole sleep recording irrespective of the sleep stage (stage-independent classification), while the second used only EEG data from insomnia-impacted specific sleep stages (stage-dependent classification)...
January 9, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28092545/heterogeneous-face-recognition-a-common-encoding-feature-discriminant-approach
#17
Dihong Gong, Zhifeng Li, Weilin Huang, Xuelong Li, Dacheng Tao
Heterogeneous face recognition is an important yet challenging problem in face recognition community. It refers to matching a probe face image to a gallery of face images taken from alternate imaging modality. The major challenge of heterogeneous face recognition lies in the great discrepancies between different image modalities. Conventional face feature descriptors, e.g. LBP, HOG and SIFT, are mostly designed in a handcrafted way and thus generally fail to extract the common discriminant information from the heterogeneous face images...
January 10, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28092532/improved-shear-wave-group-velocity-estimation-method-based-on-spatiotemporal-peak-and-thresholding-motion-search
#18
Carolina Amador Carrascal, Shigao Chen, Armando Manduca, James F Greenleaf, Matthew Urban
Quantitative ultrasound elastography is increasingly being used in the assessment of chronic liver disease. Many studies have reported ranges of liver shear wave velocities values for healthy individuals and patients with different stages of liver fibrosis. Nonetheless, ongoing efforts exist to stabilize quantitative ultrasound elastography measurements by assessing factors that influence tissue shear wave velocity values, such as food intake, body mass index (BMI), ultrasound scanners, scanning protocols, ultrasound image quality, etc...
January 11, 2017: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28092506/wideband-2-d-array-design-optimization-with-fabrication-constraints-for-3-d-us-imaging
#19
Emmanuel Roux, Alessandro Ramalli, Herve Liebgott, Christian Cachard, Marc C Robini, Piero Tortoli
Ultrasound (US) 2-D arrays are of increasing interest due to their electronic steering capability to investigate 3-D regions without requiring any probe movement. These arrays are typically populated by thousands of elements that, ideally, should be individually driven by the companion scanner. Since this is not convenient, the so-called microbeamforming methods, yielding a prebeamforming stage performed in the probe handle by suitable custom integrated circuits, have so far been implemented in a few commercial high-end scanners...
January 2017: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28092477/long-term-oncological-outcomes-of-endoscopic-stenting-as-a-bridge-to-surgery-versus-emergency-surgery-for-malignant-colorectal-obstruction-a-comparative-study
#20
Fei-Hu Yan, Zheng Lou, Xiao-Shuang Liu, Zhen Wang, Xiao-Dong Xu, Yong-Jun-Yi Gao, Jian He, Hao Wang, Chuan-Gang Fu, Wei Zhang, Hai-Yan He, Bei-Li Cai, En-da Yu
AIM: With consideration of the theoretical link between the stent insertion and the increased risk of tumor cells spillaged, which may lead to distant metastases, there is a concern about long-term clinical outcomes after the usage of self-expanding metallic stents (SEMS) as a "bridge to surgery" in the malignant colorectal obstruction (MCO) treatment. This cohort study aimed to compare the long-term oncological outcomes of SEMS as a bridge to surgery (SEMS group) with those of emergency surgery (ES group) for MCO...
January 16, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
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