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https://www.readbyqxmd.com/read/29166763/an-extremely-rare-cause-of-back-and-hip-pain-due-to-the-metastasis-of-late-recurrent-myxopapillary-ependymoma-to-the-inguinal-lymph-node
#1
Suheyla Ekemen, Ozlem Yapicier, Hatice Deniz Boler, Umit Ince
No abstract text is available yet for this article.
November 23, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29166719/-clinical-characteristics-and-outcome-comparison-between-atrial-fibrillation-patients-underwent-catheter-ablation-under-general-aesthesia-or-local-anesthesia-and-sedation
#2
J J Xu, L J Gao, D Chang, X J Xiao, R F Zhang, J Lin, Z M Zhao, H Zhang, Y L Xia, X M Yin, Y Z Yang
Objective: To compare the outcome of radiofrequency catheter ablation under local anesthesia/sedation (S) or general anesthesia(GA) in atrial fibrillation patients. Methods: Data of 498 patients with atrial fibrillation undergoing radiofrequency catheter ablation in our departmentfrom January 2014 to December 2015 were retrospectively analyzed. Two hundred and twenty patients assigned to the GA group, the other 278 patients to the S group. Patients were followed clinically every 3 months within one year after procedure...
November 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29166582/the-silent-undertakers-macrophages-programmed-for-efferocytosis
#3
Judith E Allen, Dominik Rückerl
Two recent Immunity papers provide new insight into efferocytosis by tissue-resident macrophages. Baratin et al. (2017) identify a resident macrophage population in the T cell zone of lymph nodes responsible for the silent uptake of vast numbers of apoptotic cells. Roberts et al. (2017) find that resident macrophages can be programmed by local tissue signals not to respond to the nucleic acid of apoptotic cells.
November 21, 2017: Immunity
https://www.readbyqxmd.com/read/29166328/18f-fdg-pet-ct-imaging-of-hidradenocarcinoma-arising-from-preexisting-hidradenoma-of-the-knee
#4
Tirth V Patel, Jorge Oldan
Malignant tumors of the sweat glands are exceedingly rare and aggressive tumors. We present here a case of a 60-year-old man with a malignant hidradenocarcinoma that developed in a background of preexisting benign hidradenoma on the lateral aspect of the knee that was initially resected, but rapidly recurred with associated inguinal lymphadenopathy. F-FDG PET/CT was performed as part of preoperative staging, which demonstrated abnormal inguinal lymph nodes and metastatic disease to the lungs. FDG PET/CT can play an invaluable role in the initial staging and follow-up of this rare malignancy...
November 22, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29166174/low-prevalence-of-salmonella-and-shiga-toxin-producing-escherichia-coli-in-lymph-nodes-of-australian-beef-cattle
#5
Gavin Bailey, Long Huynh, Lachlan Govenlock, David Jordan, Ian Jenson
Salmonella contamination of ground beef has been viewed as originating from the surface of carcasses. Recent studies have identified lymph nodes as a potential source of Salmonella contamination because these tissues play an active role in containment of pathogens in the live animal and because some lymph nodes are unavoidably present in manufacturing beef trimmings or primal cuts that may be incorporated into ground beef. A survey was conducted of the microbiological status of lymph nodes from Australian cattle at the time of slaughter to determine the prevalence of microbiological contamination...
November 22, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/29166159/local-regulation-of-trail-networks-of-the-arboreal-turtle-ant-cephalotes-goniodontus
#6
Deborah M Gordon
This study examines how an arboreal ant colony maintains, extends, and repairs its network of foraging trails and nests, built on a network of vegetation. Nodes are junctions where a branch forks off from another or where a branch of one plant touching another provides a new edge on which ants could travel. The ants' choice of edge at a node appears to be reinforced by trail pheromone. Ongoing pruning of the network tends to eliminate cycles and minimize the number of nodes and thus decision points, but not the distance traveled...
December 2017: American Naturalist
https://www.readbyqxmd.com/read/29165886/pre-operative-features-of-non-invasive-follicular-thyroid-neoplasms-with-papillary-like-nuclear-features-an-analysis-of-their-cytological-gene-expression-classifier-and-sonographic-findings
#7
S J Song, V A LiVolsi, K Montone, Z Baloch
OBJECTIVE: To investigate the corresponding cytological diagnoses, Gene Expression Classifier (GEC) results and ultrasound features of thyroid nodules diagnosed as non-invasive follicular thyroid neoplasms with papillary-like nuclear features (NIFTP), as well as any coexisting pathology. METHODS: We performed a retrospective review of thyroid nodules histologically diagnosed as NIFTP at our institution between 1(st) April 2016 and 1(st) April 2017. The following data points were collected: demographics, nodule size, ultrasound features, cytological diagnosis, GEC results, origin of sample (in-house vs outside hospital) and any additional pathology identified in the resection specimen...
December 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/29165759/transient-receptor-potential-melastatin-4-cation-channel-in-pediatric-heart-block
#8
J Tian, X-J An, M-Y Fu
Progressive cardiac conduction disease (PCCD) is a common pediatric heart conduction disorder. It is an autosomal inheritance of rare mutations, which leads to familial cases of PCCD. In these cases, the His-Purkinje system's conductive capacity is progressively deranged, involving either right or left bundle branch block. Also, QRS complexes display widening is an important characteristic that culminates in complete AV block, syncope, and sudden death. Mutations in TRPM4 gene that encodes for transient receptor potential melastatin 4 have recently been reported to cause familial cases of PCCD and heart block...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29165679/a-two-state-model-of-tree-evolution-and-its-applications-to-alu-retrotransposition
#9
Niema Moshiri, Siavash Mirarab
Models of tree evolution have mostly focused on capturing the cladogenesis processes behind speciation. Processes that derive the evolution of genomic elements, such as repeats, are not necessarily captured by these existing models. In this paper, we design a model of tree evolution that we call the dual-birth model, and we show how it can be useful in studying the evolution of short Alu repeats found in the human genome in abundance. The dual-birth model extends the traditional birth- only model to have two rates of propagation, one for active nodes that propagate often, and another for inactive nodes, that with a lower rate, activate and start propagating...
November 20, 2017: Systematic Biology
https://www.readbyqxmd.com/read/29165524/-bartonella-henselae-infection-the-importance-of-images-for-diagnosis-and-follow-up
#10
M Fernanda Tapia, Reinaldo Rosas, Giancarlo Schiappacasse, Luis Thompson
Bartonella henselae infection is a frequent zoonosis from the domestic cat. It is presented with regional lymphadenitis in the majority of cases. Searching and characterization of lymph nodes by diagnostic imaging can be useful in the differential diagnosis approach, with a clear advantage, because it is a noninvasive method. Currently, new diagnostic imaging techniques improves the quality of screening and characterization of adenopathies, such is the case of PET/CT, which allows a better evaluation of hypermetabolic lymph nodes, without considering the individual growth of each lymph node...
August 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/29165434/clinical-analysis-of-hashimoto-thyroiditis-coexistent-with-papillary-thyroid-cancer-in-1392-patients
#11
J Liang, W Zeng, F Fang, T Yu, Y Zhao, X Fan, N Guo, X Gao
Papillary thyroid carcinoma (PTC) is the most common malignant tumour of the thyroid. The effect of the concurrent presence of Hashimoto's thyroiditis (HT) and PTC is still under debate. The aim of this study is to investigate the influence of coexistent HT on prognostic outcomes and the association of coexistent HT with clinicopathological features. The demographic and clinicopathological data of 1,392 patients who underwent surgery in our hospital from 2007 to 2016 was collected and analysed. Among 1,392 PTC patients, the rate of HT was 25...
October 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/29165373/optimal-pricing-and-power-allocation-for-collaborative-jamming-with-full-channel-knowledge-in-wireless-sensor-networks
#12
Dae-Kyo Jeong, Insook Kim, Dongwoo Kim
This paper presents a price-searching model in which a source node (Alice) seeks friendly jammers that prevent eavesdroppers (Eves) from snooping legitimate communications by generating interference or noise. Unlike existing models, the distributed jammers also have data to send to their respective destinations and are allowed to access Alice's channel if it can transmit sufficient jamming power, which is referred to as collaborative jamming in this paper. For the power used to deliver its own signal, the jammer should pay Alice...
November 22, 2017: Sensors
https://www.readbyqxmd.com/read/29165330/prediction-of-mortality-in-patients-with-isolated-traumatic-subarachnoid-hemorrhage-using-a-decision-tree-classifier-a-retrospective-analysis-based-on-a-trauma-registry-system
#13
Cheng-Shyuan Rau, Shao-Chun Wu, Peng-Chen Chien, Pao-Jen Kuo, Yi-Chun Chen, Hsiao-Yun Hsieh, Ching-Hua Hsieh
Background: In contrast to patients with traumatic subarachnoid hemorrhage (tSAH) in the presence of other types of intracranial hemorrhage, the prognosis of patients with isolated tSAH is good. The incidence of mortality in these patients ranges from 0-2.5%. However, few data or predictive models are available for the identification of patients with a high mortality risk. In this study, we aimed to construct a model for mortality prediction using a decision tree (DT) algorithm, along with data obtained from a population-based trauma registry, in a Level 1 trauma center...
November 22, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29165285/hypofractionated-nodal-radiation-therapy-for-breast-cancer-was-not-associated-with-increased-patient-reported-arm-or-brachial-plexopathy-symptoms
#14
Nelson Leong, Pauline T Truong, Keith Tankel, Winkle Kwan, Lorna Weir, Ivo A Olivotto
PURPOSE: To determine whether nodal radiation therapy (RT) for breast cancer using modest hypofractionation (HF) with 2.25 to 2.5 Gy per fraction (fx) was associated with increased patient-reported arm symptoms, compared with conventional fractionation (CF) ≤2 Gy/fx. METHODS AND MATERIALS: Two cancer registries were used to identify subjects who received computed tomography-planned nodal RT for pT1-3, pN0-2, M0 breast cancer, from 2007 to 2010 at 2 cancer institutions...
December 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29164976/ibrutinib-and-idelalisib-block-immunophenotypic-changes-associated-with-the-adhesion-and-activation-of-cll-cells-in-the-tumor-microenvironment
#15
Yandong Shen, O Giles Best, Stephen P Mulligan, Richard I Christopherson
The lymph node and bone marrow microenvironments promote the survival and proliferation of CLL cells. Defining the immunophenotype of CLL cells from the tumor microenvironment may help to better understand the mechanisms of action of current therapies and identify novel drug targets. Significant changes in the levels of 25 CD antigens were identified using the DotScan™ antibody microarray following CLL-cell culture with CD40L-expressing fibroblasts. Ibrutinib or idelalisib countered the change in expression of 11 of these antigens (CD23, CD27, CD53, CD58, CD71, CD80, CD84, CD97, CD126, CD150, and FMC7), which have known roles in cell activation and adhesion...
November 22, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29164774/task-related-changes-in-degree-centrality-and-local-coherence-of-the-posterior-cingulate-cortex-after-major-cardiac-surgery-in-older-adults
#16
Jeffrey N Browndyke, Miles Berger, Patrick J Smith, Todd B Harshbarger, Zachary A Monge, Viral Panchal, Tiffany L Bisanar, Donald D Glower, John H Alexander, Roberto Cabeza, Kathleen Welsh-Bohmer, Mark F Newman, Joseph P Mathew
OBJECTIVES: Older adults often display postoperative cognitive decline (POCD) after surgery, yet it is unclear to what extent functional connectivity (FC) alterations may underlie these deficits. We examined for postoperative voxel-wise FC changes in response to increased working memory load demands in cardiac surgery patients and nonsurgical controls. EXPERIMENTAL DESIGN: Older cardiac surgery patients (n = 25) completed a verbal N-back working memory task during MRI scanning and cognitive testing before and 6 weeks after surgery; nonsurgical controls with cardiac disease (n = 26) underwent these assessments at identical time intervals...
November 21, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/29164763/tmem207-hinders-the-tumour-suppressor-function-of-wwox-in-oral-squamous-cell-carcinoma
#17
Katsuaki Bunai, Hiroshi Okubo, Kimika Hano, Keisuke Inoue, Yusuke Kito, Chiemi Saigo, Toshiyuki Shibata, Tamotsu Takeuchi
The WW domain-containing oxidoreductase (WWOX) functions as a tumour suppressor in oral carcinogenesis. As aberrant TMEM207 expression may lead to tumour progression by hampering the tumour suppressor function of WWOX in various cancers, we explored the expression and pathobiological properties of TMEM207, focusing on the WWOX-mediated regulation of the HIF-1α pathway in oral squamous cell carcinoma (OSCC). TMEM207 immunoreactivity was detected in 40 of 90 OSCC samples but not in neighbouring non-tumorous epithelial tissues...
November 22, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29164712/pristine-metal-organic-frameworks-and-their-composites-for-energy-storage-and-conversion
#18
REVIEW
Zibin Liang, Chong Qu, Wenhan Guo, Ruqiang Zou, Qiang Xu
Metal-organic frameworks (MOFs), a new class of crystalline porous organic-inorganic hybrid materials, have recently attracted increasing interest in the field of energy storage and conversion. Herein, recent progress of MOFs and MOF composites for energy storage and conversion applications, including photochemical and electrochemical fuel production (hydrogen production and CO2 reduction), water oxidation, supercapacitors, and Li-based batteries (Li-ion, Li-S, and Li-O2 batteries), is summarized. Typical development strategies (e...
November 22, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29164615/arhgef19-interacts-with-braf-to-activate-mapk-signaling-during-the-tumorigenesis-of-non-small-cell-lung-cancer
#19
Yingchang Li, Zhihua Ye, Shuai Chen, Zhiwen Pan, Qianghua Zhou, Yi-Zhuo Li, Wen-di Shuai, Chun-Mei Kuang, Qi-Hua Peng, Wei Shi, Xueli Mao, Ran-Yi Liu, Wenlin Huang
Rho guanine nucleotide exchange factors (RhoGEFs) are proteins that activate Rho GTPases in response to extracellular stimuli and regulate various biologic processes. ARHGEF19, one of RhoGEFs, was reported to activate RhoA in the Wnt-PCP pathway controlling convergent extension in Xenopus gastrulation. The goal of this study was to identify the role and molecular mechanisms of ARHGEF19 in the tumorigenesis of non-small cell lung cancer (NSCLC). ARHGEF19 expression was significantly elevated in NSCLC tissues, and ARHGEF19 levels were significantly associated with lymph node status, distant metastasis and TNM stage; Patients with high ARHGEF19 levels had poor overall survival (OS) and progression-free survival (PFS)...
November 22, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29164596/regulation-of-t-helper-cell-responses-during-antigen-presentation-by-norepinephrine-exposed-endothelial-cells
#20
Linghui Xu, Wanhong Ding, Lori L Stohl, Xi K Zhou, Shayan Azizi, Ethan Chuang, Jimmy Lam, John A Wagner, Richard D Granstein
Dermal blood vessels and regional lymph nodes are innervated by sympathetic nerves and, under stress, sympathetic nerves release norepinephrine (NE). Exposure of primary murine dermal microvascular endothelial cells (pDMECs) to NE followed by co-culture with Langerhans cells (LCs), responsive CD4(+) T cells and antigen resulted in modulation of CD4(+) T cell responses. NE-treatment of pDMECs induced increased production of interleukin (IL)-6 and IL-17A while downregulating interferon (IFN)-γ and IL-22 release...
November 21, 2017: Immunology
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