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https://www.readbyqxmd.com/read/27913566/th2-responses-are-primed-by-skin-dendritic-cells-with-distinct-transcriptional-profiles
#1
Lisa M Connor, Shiau-Choot Tang, Emmanuelle Cognard, Sotaro Ochiai, Kerry L Hilligan, Samuel I Old, Christophe Pellefigues, Ruby F White, Deepa Patel, Adam Alexander T Smith, David A Eccles, Olivier Lamiable, Melanie J McConnell, Franca Ronchese
The dendritic cell signals required for the in vivo priming of IL-4-producing T cells are unknown. We used RNA sequencing to characterize DCs from skin LN of mice exposed to two different Th2 stimuli: the helminth parasite Nippostrongylus brasiliensis (Nb) and the contact sensitizer dibutyl phthalate (DBP)-FITC. Both Nb and DBP-FITC induced extensive transcriptional changes that involved multiple DC subsets. Surprisingly, these transcriptional changes were highly distinct in the two models, with only a small number of genes being similarly regulated in both conditions...
December 2, 2016: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27911368/immunohistochemical-analysis-in-the-rat-central-nervous-system-and-peripheral-lymph-node-tissue-sections
#2
Milena Z Adzemovic, Manuel Zeitelhofer, Marianne Leisser, Ulricke Köck, Angela Kury, Tomas Olsson
Immunohistochemistry (IHC) provides highly specific, reliable and attractive protein visualization. Correct performance and interpretation of an IHC-based multicolor labeling is challenging, especially when utilized for assessing interrelations between target proteins in the tissue with a high fat content such as the central nervous system (CNS). Our protocol represents a refinement of the standard immunolabeling technique particularly adjusted for detection of both structural and soluble proteins in the rat CNS and peripheral lymph nodes (LN) affected by neuroinflammation...
November 14, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27910777/gastric-adenocarcinoma-biomarker-expression-profiles-and-their-prognostic-value
#3
Serkan Senol, Abdullah Aydin, Duygu Kosemetin, Dilek Ece, Ibrahim Akalin, Hasan Abuoglu, Esra Akdeniz Duran, Dincer Aydin, Burcak Erkol
Expression levels of several molecules implicated in carcinogenesis were examined by immunohistochemical staining, and the prognostic significance of their expression levels in gastric adenocarcinoma (GA) was evaluated. A total of 115 GA and 20 control gastric tissue samples were evaluated by immunohistochemistry using 33 antibodies targeting molecules known to play a part in the development of various tumors. Overexpression of carbonic anhydrase IX (CAIX) and loss of AT-rich interactive domain-containing protein 1A (ARID1A), aldehyde dehydrogenase 1 (ALDH1), and CD44 expression in GA patients were significantly correlated with lymph node (LN) metastasis, advanced tumor stage, and poor prognosis...
2016: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/27910423/uncertainty-analysis-of-signal-deconvolution-using-a-measured-instrument-response-function
#4
E P Hartouni, B Beeman, J A Caggiano, C Cerjan, M J Eckart, G P Grim, R Hatarik, A S Moore, D H Munro, T Phillips, D B Sayre
A common analysis procedure minimizes the ln-likelihood that a set of experimental observables matches a parameterized model of the observation. The model includes a description of the underlying physical process as well as the instrument response function (IRF). In the case investigated here, the National Ignition Facility (NIF) neutron time-of-flight (nTOF) spectrometers, the IRF is constructed from measurements and models. IRF measurements have a finite precision that can make significant contributions to determine the uncertainty estimate of the physical model's parameters...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27908528/prognostic-significance-of-lymphadenectomy-and-prevalence-of-lymph-node-metastasis-in-clinically-apparent-stage-i-endometrioid-and-mucinous-ovarian-carcinoma
#5
Dimitrios Nasioudis, Eloise Chapman-Davis, Steven S Witkin, Kevin Holcomb
OBJECTIVE: The aim of the present study was to investigate the prevalence of lymph node (LN) metastasis in women with apparent stage I ovarian carcinoma of endometrioid or mucinous histology and to examine the prognostic significance of LN sampling/dissection (LND) on patient survival. METHODS: The National Cancer Institute's Surveillance, Epidemiology, and End Results database was accessed and a cohort of surgically-staged women, diagnosed between 1988 and 2013, with apparent stage I ovarian carcinoma of mucinous or endometrioid histology was selected...
November 28, 2016: Gynecologic Oncology
https://www.readbyqxmd.com/read/27906936/analgesic-effect-of-nalbuphine-when-added-to-intravenous-regional-anesthesia-a-randomized-control-trial
#6
Mohamed Hassan Bakri, Eman Ahmed Ismail, Sayed Kaoud Abd-Elshafy
BACKGROUND: Different adjuvant drugs are currently added to lidocaine for intravenous regional anesthesia (IVRA) to decrease tourniquet and postoperative pain. OBJECTIVE: The aim of the study was to examine the effect of nalbuphine when added toIVRA. STUDY DESIGN: Prospective, randomized, double-blind, controlled clinical trial. SETTING: Assiut University Hospitals. METHODS: One hundred-six adult patients scheduled for unilateral hand surgery under IVRA were randomized into 2 equal groups...
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27906474/tuning-the-energy-transfer-efficiency-between-ce-3-and-ln-3-ions-ln-tm-sm-tb-dy-by-controlling-the-crystal-phase-of-nayf4-nanocrystals
#7
Venkata N K B Adusumalli, Heramba V S R M Koppisetti, Sagar Ganguli, Shyam Sarkar, Venkataramanan Mahalingam
NaYF4 is a superior host matrix to study the luminescence properties of lanthanide (Ln(3+) ) ions. Ln(3+) ions in hexagonal-phase NaYF4 (β-phase) nanocrystals (NCs) exhibit strong luminescence via an upconversion process compared to cubic NaYF4 (α-phase) NCs. However, in Ce(3+) /Ln(3+) -doped NaYF4 NCs (Ln=Tm, Tb, Sm, Dy) the α-phase NaYF4 NCs shows strong luminescence compared to their counterpart β-phase NCs despite the latter being much larger in size. This is attributed to comparatively large overlap between Ce(3+) ions emission band with excited energy levels of those Ln(3+) ions in α-phase compared to β-phase NCs...
December 1, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27903540/greater-volume-but-not-higher-density-of-abdominal-aortic-calcium-is-associated-with-increased-cardiovascular-disease-risk-mesa-multi-ethnic-study-of-atherosclerosis
#8
Nketi I Forbang, Erin D Michos, Robyn L McClelland, Rosemay A Remigio-Baker, Matthew A Allison, Veit Sandfort, Joachim H Ix, Isac Thomas, Dena E Rifkin, Michael H Criqui
BACKGROUND: Abdominal aortic calcium (AAC) and coronary artery calcium (CAC) independently and similarly predict cardiovascular disease (CVD) events. The standard AAC and CAC score, the Agatston method, upweights for greater calcium density, thereby modeling higher calcium density as a CVD hazard. METHODS AND RESULTS: Computed tomography scans were used to measure AAC and CAC volume and density in a multiethnic cohort of community-dwelling individuals, and Cox proportional hazard was used to determine their independent association with incident coronary heart disease (CHD, defined as myocardial infarction, resuscitated cardiac arrest, or CHD death), cardiovascular disease (CVD, defined as CHD plus stroke and stroke death), and all-cause mortality...
November 2016: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/27902986/the-presence-of-hpv-dna-in-neck-lymph-node-metastasis-correlates-with-improved-overall-survival-of-patients-with-oropharyngeal-cancer-undergoing-surgical-treatment
#9
Eiji Shimura, Takanori Hama, Toshihito Suda, Masahiro Ikegami, Mitsuyoshi Urashima, Hiromi Kojima
BACKGROUND: Few studies have addressed how human papilloma virus (HPV) infection in oropharyngeal squamous cell carcinoma (OPSCC) affects the outcome of surgical therapy; furthermore, the relationship between the presence of HPV DNA and neck lymph node (LN) metastasis has not been well established. METHODS: A total of 65 patients who underwent surgery as a first-line therapy for OPSCC were enrolled in this study. In HPV-positive patients, the presence of HPV DNA in metastatic neck LN lesions was evaluated...
December 1, 2016: Oncology
https://www.readbyqxmd.com/read/27902946/social-regulation-of-the-lymph-node-transcriptome-in-rhesus-macaques-macaca-mulatta
#10
K Chun, J P Capitanio, D M Lamkin, E K Sloan, J M G Arevalo, S W Cole
Previous research has shown that adverse social conditions may promote a conserved transcriptional response to adversity (CTRA) involving up-regulation of proinflammatory gene expression and down-regulation of Type I interferon anti-viral genes in circulating blood cells. However, the impact of social conditions on lymphoid tissue gene regulation remains largely unexplored. This project assessed how social instability in adult male rhesus macaques (N=10, 5 in unstable, and 5 in stable social conditions) might regulate gene expression within secondary lymphoid tissue (lymph nodes; LN)...
November 14, 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/27900970/clinical-features-and-histological-patterns-of-lupus-nephritis-in-a-single-center-of-south-india
#11
Clement Wilfred Devadass, Vijaya Viswanath Mysorekar, Mahesh Eshwarappa, Lakshminarayanan Mekala, M Gireesh Siddaiah, K Gurudev Channabasappa
Renal involvement occurs in up to 60% of patients with systemic lupus erythematosus (SLE) and signifies a poor prognosis. The class of lupus nephritis (LN), determined on renal biopsy evaluation, guides the therapeutic management and has prognostic connotations. Our aim is to determine the clinicolaboratory features and histopathological patterns of LN at presentation in our local (South Indian) population. The study was conducted in a tertiary care hospital in South India between 2009 and 2014 on SLE patients with clinical evidence of LN...
November 2016: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27900384/3d-oxalato-bridged-lanthanide-iii-mofs-with-magnetocaloric-magnetic-and-photoluminescence-properties
#12
Muhammad Nadeem Akhtar, Yan-Cong Chen, Murad A AlDamen, Ming-Liang Tong
Four isostructural 3D lanthanide(iii) metal-organic frameworks with the general formula (H6edte)0.5[Ln(III)(ox)2(H2O)] (Ln = Gd (1), Tb (2), Dy (3) and Ho (4); H4edte = N,N,N',N'-tetrakis(2-hydroxyethyl)ethylenediamine) and ox = oxalate have been synthesized from oxalate. These compounds were characterized using single-crystal X-ray diffraction, FTIR and TGA/DTG. The magnetic investigation has been performed for 1-4 and the results reveal that a Gd(iii) containing MOF has the highest magnetic density and exhibits a larger cryogenic magnetocaloric effect (ΔSm = 35...
November 30, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/27900009/early-diagnosis-and-treatment-of-gastrointestinal-neuroendocrine-tumors
#13
Hong Shen, Zhuo Yu, Jing Zhao, Xiu-Zhen Li, Wen-Sheng Pan
The aim of the present retrospective analysis on the macroscopic appearance and pathological characteristics of gastrointestinal neuroendocrine tumors (NETs) was to investigate methods for their early diagnosis and treatment. A total of 78 patients were divided into submucosal NET and deeper invasion NET groups, according to the depth of tumor invasion exhibited by the patients. The clinicopathological characteristics and survival time of the NET patients were analyzed and compared. The pathological characteristics of the submucosal NETs group were investigated according to the diameter of the tumor (≤5...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27896578/is-there-evidence-for-a-close-connection-between-side-of-intravesical-tumor-location-and-ipsilateral-lymphatic-spread-in-lymph-node-positive-bladder-cancer-patients-at-radical-cystectomy-results-of-the-prometrics-2011-database
#14
M May, C Protzel, M W Vetterlein, M Gierth, J Noldus, A Karl, T Grimm, B Wullich, M O Grimm, P Nuhn, P J Bastian, J Roigas, B Hadaschik, C Gilfrich, M Burger, M Fisch, S Brookman-May, A Aziz, O W Hakenberg
PURPOSE: To evaluate the possible association between bladder tumor location and the laterality of positive lymph nodes (LN) in a prospectively collected multi-institutional radical cystectomy (RC) series. METHODS: The study population included 148 node-positive bladder cancer (BC) patients undergoing RC and pelvic lymph node dissection in 2011 without neoadjuvant chemotherapy and without distant metastasis. Tumor location was classified as right, left or bilateral and compared to the laterality of positive pelvic LN...
November 28, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/27896425/probability-and-pattern-of-occult-cervical-lymph-node-metastases-in-primary-parotid-carcinoma
#15
Dominik Stodulski, Bogusław Mikaszewski, Hanna Majewska, Piotr Wiśniewski, Czesław Stankiewicz
The present study was undertaken to evaluate real probability and pattern of cervical occult lymph node metastases (OLNM) in primary parotid carcinoma (PPC). We carried out a retrospective analysis of 66 patients treated in years 1992-2010 due to PPC, who underwent elective neck dissection (END). In search of risk factors for OLNM, we analysed the following parameters: age, sex, pT-Status, tumour size, skin invasion, facial nerve palsy, tumour fixation, extraparotid extension, localization, grade, histology, intra/periparotid LN metastases (IPLNM)...
November 28, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27895918/classical-and-non-classical-hla-class-i-aberrations-in-primary-cervical-squamous-and-adenocarcinomas-and-paired-lymph-node-metastases
#16
Debbie M Ferns, A Marijne Heeren, Sanne Samuels, Maaike C G Bleeker, Tanja D de Gruijl, Gemma G Kenter, Ekaterina S Jordanova
BACKGROUND: Tumors avoid destruction by cytotoxic T cells (CTL) and natural killer (NK) cells by downregulation of classical human leukocyte antigens (HLA) and overexpression of non-classical HLA. This is the first study to investigate HLA expression in relation to histology (squamous cell carcinoma (SCC) vs. adenocarcinoma (AC)), clinicopathological parameters and survival in a large cervical cancer patient cohort. METHODS: Classical (HLA-A and HLA-B/C)- and non-classical HLA molecules (HLA-E and HLA-G) were studied on primary tumors and paired lymph node (LN) metastases from cervical cancer patients (n = 136) by immunohistochemistry...
2016: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/27893690/prognosis-of-papillary-thyroid-carcinoma-in-elderly-patients-after-thyroid-resection-a-retrospective-cohort-analysis
#17
Nathalie Chereau, Christophe Trésallet, Severine Noullet, Gaelle Godiris-Petit, Frederique Tissier, Laurence Leenhardt, Fabrice Menegaux
The size of the elderly population and the incidence of papillary thyroid carcinoma (PTC) in this group appear to be rapidly increasing, although published information based on more detailed older age groupings are lacking.This study aimed to determine the clinical features and outcomes of elderly patients in PTC.All consecutive patients who received surgery for PTC in our Department from 1978 to 2014 were included. We compared 3 patient groups: young (<65 years), older (65-75 years), and very old patients (>75 years)...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27892630/light-triggered-co-assembly-of-photocleavable-copolymers-and-polyoxometalates-with-enhanced-photoluminescence
#18
Jinlong Zhang, Nan Shi, Jie Zhang, Yan Guan, Weihong Qiao, Xinhua Wan
A novel co-assembly based on the block copolymer bearing photocleavable groups and macroanionic polyoxometalates Na9 [Ln(W5 O18 )2 ] (LnW10 , Ln = Eu, Dy) triggered by UV light is realized in aqueous solution. The copolymer synthesized by atom transfer radical polymerization (ATRP) undergoes irreversible cleavage upon UV irradiation to generate primary amine (pKa ≈ 8-9) residues which are completely protonated under a neutral pH in aqueous solution. Electrostatic attractions between the resulting positively charged copolymers and anionic LnW10 drive the formation of assemblies...
November 28, 2016: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/27892559/insights-into-bonding-interactions-and-excitation-energies-of-3d-4f-mixed-lanthanide-transition-metal-macrocyclic-complexes
#19
Walter A Rabanal-León, Juliana A Murillo-López, Ramiro Arratia-Pérez
In this contribution, a computational study of equatorial bound tetranuclear macrocycle (butylene linked) [LnZn(HOM(Bu))](3+) (Ln = La(3+), Ce(3+)) complexes was carried out. Here, the electronic structure, bonding interaction and excitation energies were studied within the relativistic density functional theory framework. From the electronic structure analysis, the frontier molecular orbitals (FMOs) were strongly localized in the d-orbitals of the Zn centers and the f-orbitals of the lanthanide ions. Besides, the inner MOs were found to exhibit a π-character from the organic part of the macrocyclic chain...
November 28, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27886616/serial-fdg-pet-scans-help-to-identify-steroid-resistance-in-cardiac-sarcoidosis
#20
Abhijeet B Shelke, Hrushikesh U Aurangabadkar, Jason S Bradfield, Zakir Ali, K Shiv Kumar, Calambur Narasimhan
BACKGROUND: Cardiac sarcoidosis (CS) is increasingly being recognized. Immunosuppression with corticosteroids is the mainstay of therapy. But the optimal dose of steroids and how to assess response to therapy is not known. Prognosis is poor if these patients are untreated or undertreated. Fluorine-18-flurodeoxyglucose positron emission computed tomography ((18)FDG-PET CT) is a sensitive tool in diagnosing CS. It correlates closely with the level of granulomatous inflammation and can be used to monitor response to therapy...
November 9, 2016: International Journal of Cardiology
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