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https://www.readbyqxmd.com/read/28921552/immunomodulatory-effect-of-cryopreserved-platelets-altered-bdca3-dendritic-cell-maturation-and-activation-in-vitro
#1
Katrina K Ki, Lacey Johnson, Helen M Faddy, Robert L Flower, Denese C Marks, Melinda M Dean
BACKGROUND: Cryopreservation of platelets (PLTs) is useful in remote areas to overcome logistic problems associated with supply and can extend the shelf life to 2 years. During cryopreservation, properties of PLTs are modified. Whether changes in the cryopreserved PLT (CPP) product are associated with modulation of recipients' immune function is unknown. We aimed to characterize the immune profile of myeloid dendritic cells (mDCs) and the specialized blood DC antigen (BDCA)3(+) subset after exposure to CPPs...
September 16, 2017: Transfusion
https://www.readbyqxmd.com/read/28919006/histology-of-non-small-cell-lung-cancer-predicts-the-response-to-stereotactic-body-radiotherapy
#2
Juliane Hörner-Rieber, Denise Bernhardt, Julian Dern, Laila König, Sebastian Adeberg, Angela Paul, Claus Peter Heussel, Jutta Kappes, Hans Hoffmann, Felix J P Herth, Jürgen Debus, Arne Warth, Stefan Rieken
BACKGROUND AND PURPOSE: To investigate the prognostic impact of different histological subtypes of non-small cell lung cancer (NSCLC) on outcome following stereotactic body radiotherapy (SBRT) for NSCLC patients. MATERIALS AND METHODS: We analyzed 126 consecutive patients with early-stage adenocarcinoma or squamous cell carcinoma treated with SBRT from 2004 to 2016. Adenocarcinoma patients were further sub-classified as high-risk or low-risk tumors. RESULTS: With a median follow-up time of 22months, 2-year overall survival (OS), local (LC), and distant control (DC) were 68%, 90% and 79%, respectively...
September 14, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28916224/lack-of-differences-in-radiation-induced-immunogenicity-parameters-between-hpv-positive-and-hpv-negative-human-hnscc-cell-lines
#3
Karolin Schneider, Vanesa Bol, Vincent Grégoire
BACKGROUND AND PURPOSE: Clinical studies indicate that patients with HPV/p16-associated head & neck squamous cell carcinoma (HNSCC) represent a subgroup with a better prognosis and improved response to conventional radiotherapy. Involvement of immune-based factors has been hypothesized. In the present study, we investigated radiation-induced differences in release of damage associated molecular patterns (DAMPs), cytokines and activation of dendritic cells (DCs) in HPV-positive and negative HNSCC cancer cell lines...
September 12, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28913556/high-dose-vitamin-d3-supplementation-decreases-the-number-of-colonic-cd103-dendritic-cells-in-healthy-subjects
#4
Nina Friis Bak, M Bendix, S Hald, L Reinert, M K Magnusson, J Agnholt
PURPOSE: Vitamin D may induce tolerance in the intestinal immune system and has been shown to regulate the phenotype of tolerogenic intestinal dendritic cells (DCs) in vitro. It is unknown whether vitamin D supplementation affects human intestinal DCs in vivo, and we aimed to investigate the tolerability and effect on intestinal CD103(+)DCs of high-dose vitamin D3 treatment in healthy subjects. METHODS: Ten healthy subjects received a total of 480,000 IU oral vitamin D3 over 15 days and colonic biopsies were obtained before and after intervention by endoscopy...
September 14, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28901434/sinulariolide-suppresses-lps%C3%A2-induced-phenotypic-and-functional-maturation-of-dendritic-cells
#5
Ting-Wen Chung, Yi-Rong Li, Wei Yuan Huang, Jui-Hsin Su, Hong-Lin Chan, Sheng-Hao Lin, Chin-San Liu, Shih-Chao Lin, Chi-Chien Lin, Ching-Hsiung Lin
The dendritic cell (DC) maturation process is essential for the development of T cell responses and immune tolerance. Accordingly, DCs are considered a major target in the development of immunomodulating agents. In the present study, the effect of sinulariolide, an active compound isolated from the cultured soft coral Sinularia flexibilis, on lipopolysaccharide (LPS)‑induced murine bone marrow‑derived DCs was evaluated. The different phenotypes, cytokine secretion and the mix‑lymphocyte reaction of DCs were detected using flow cytometry and ELISA...
September 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28901417/discrimination-of-the-heterogeneity-of-bone-marrow%C3%A2-derived-dendritic-cells
#6
Jing Wang, Xiaomin Dai, Chiaching Hsu, Changsheng Ming, Ying He, Ji Zhang, Lai Wei, Ping Zhou, Cong-Yi Wang, Jun Yang, Nianqiao Gong
The present study aimed to discriminate different subsets of cultured dendritic cells (DCs) to evaluate their immunological characteristics. DCs offer an important foundation for immunological studies, and mouse bone marrow (BM) cells cultured with granulocyte‑macrophage colony‑stimulating factor (GM‑CSF) have been used extensively to generate CD11c+/major histocompatibility complex II+ BM‑derived DCs (BMDCs). Immature DCs are considered to have strong migration and phagocytic antigen‑capturing abilities, whereas mature DCs are thought to activate naive T cells and express high levels of costimulatory cytokines and adhesion molecules...
September 8, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28900788/take-care-of-your-neighborhood
#7
Elmer E Huerta, Patricia Weeks-Coulthurst, Courtney Williams, Sandra M Swain
PURPOSE: Urban women in certain Washington, DC neighborhoods present with advanced breast cancer at high rates despite access to health insurance and health care. METHODS: Through a two-phase intervention, community health workers (CHWs) educated and surveyed individuals regarding healthcare utilization and breast health and cancer awareness. In phase I, CHWs educated and administered a survey to 1092 women, of whom 95.1% had health insurance, in an attempt to explain the high rate of advanced breast cancer despite having health insurance...
September 12, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28900681/regulatory-dendritic-cells
#8
Katsuaki Sato, Tomofumi Uto, Tomohiro Fukaya, Hideaki Takagi
Dendritic cells (DCs) comprise heterogeneous subsets, functionally classified into conventional DCs (cDCs) and plasmacytoid DCs (pDCs). DCs are considered to be essential antigen (Ag)-presenting cells (APCs) that play crucial roles in activation and fine-tuning of innate and adaptive immunity under inflammatory conditions, as well as induction of immune tolerance to maintain immune homeostasis under steady-state conditions. Furthermore, DC functions can be modified and influenced by stimulation with various extrinsic factors, such as ligands for pattern-recognition receptors (PRRs) and cytokines...
September 13, 2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/28900499/profiling-chemotherapy-associated-myelotoxicity-among-chinese-gastric-cancer-population-receiving-cytotoxic-conventional-regimens-epidemiological-features-timing-predictors-and-clinical-impacts
#9
Ci Zhu, Yan Wang, Xicheng Wang, Chunmei Bai, Dan Su, Bing Cao, Jianming Xu
Objectives: We aim to evaluate the epidemiological features, timing, predictors and clinical impacts of chemotherapy-associated myelotoxicity in Chinese gastric cancer population receiving six established cytotoxic conventional regimens (CF/XP, EC(O)F/EC(O)X, DC(O)F/DC(O)X, PC(O)F/PC(O)X, FOLFOX4, or mFOLFOX7/XELOX). Patients and methods: A 4-year multicenter, prospective, observational study was conducted in multiple hospitals/institutes spanning three major regions in China. A total of 1,285 patients with gastric cancer, treated with six selected regimens between 2010 and 2014 were included...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28898406/dc-sign-reacts-with-tlr4-and-regulates-inflammatory-cytokine-expression-via-nf-%C3%AE%C2%BAb-activation-in-renal-tubular-epithelial-cells-during-acute-renal-injury
#10
Danying Feng, Yanping Wang, Yan Liu, Liping Wu, Xiao Li, Yufan Chen, Yuanyuan Chen, Yafeng Chen, Chundi Xu, Ke Yang, Tong Zhou
In the pathological process of acute kidney injury (AKI), innate immune receptors are essential in inflammatory response modulation; however, the precise molecular mechanisms are still unclear. Our study sought to demonstrate the inflammatory response mechanisms in renal tubular epithelial cells via Toll-like receptor 4 (TLR4) and dendritic cell-specific ICAM-3-grabbing non-integrin 1 (DC-SIGN) signaling. We found that DC-SIGN exhibited strong expression in renal tubular epithelial cells of human acute renal injury tissues...
September 12, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28893564/5-aza-2-deoxycytidine-induces-human-tenon-s-capsule-fibroblasts-differentiation-and-fibrosis-by-up-regulating-tgf-%C3%AE-type-i-receptor
#11
Shuhao Fu, Li Sun, Xiaoyan Zhang, Huimin Shi, Kang Xu, Yiqin Xiao, Wen Ye
The principle reason of high failure rate of glaucoma filtration surgery is the loss of filtration function caused by postoperative scar formation. We investigated the effects of 5-aza-2'-deoxycytidine (5-Aza-dc), a DNA methyltransferases inhibitor, on human Tenon's capsule fibroblasts (HTFs) differentiation and fibrosis and its mechanism of action, especially in relation to transforming growth factor (TGF)-β1 signaling. TGF-β1 was used to induce differentiation of cultured HTFs. 5-Aza-dc suppressed DNA methyltransferases (DNMTs) activity 6 h after treatment with a course corresponding to that of TGF-β1-induced reduction of DNMT activity without affecting cell viability as measured by Cell Counting Kit-8 assay...
September 9, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28892191/psychometric-evaluation-of-a-motor-control-test-battery-of-the-craniofacial-region
#12
Harry von Piekartz, Elisabeth Stotz, Anna Both, Gesa Bahn, Susan Armijo-Olivo, Nikolaus Ballenberger
BACKGROUND: The primary objective of this study was to determine the structural and known-group validity as well as the inter-rater reliability of a test battery to evaluate the motor control of the craniofacial region. METHODS: 70 volunteers without TMD and 25 subjects with TMD (Axes I) per the DC/TMD were asked to execute a test battery consisting of eight tests. The tests were videotaped in the same sequence in a standardized manner. Two experienced physical therapists participated in this study as blinded assessors...
September 11, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28890536/a-key-role-for-il-7r-in-the-generation-of-microenvironments-required-for-thymic-dendritic-cells
#13
Amanda J Moore, Tracy Sh In, Ashton Trotman-Grant, Kogulan Yoganathan, Bertrand Montpellier, Cynthia J Guidos, Juan Carlos Zúñiga-Pflücker, Michele K Anderson
Interleukin-7 receptor (IL-7R) signaling is critical for multiple stages of T-cell development, but a role in the establishment of the mature thymic architecture needed for T-cell development and thymocyte selection has not been established. Crosstalk signals between developing thymocytes and thymic epithelial cell (TEC) precursors are critical for their differentiation into cortical TECs (cTECs) and medullary TECs (mTECs). Additionally, mTECs-derived factors have been implicated in the recruitment of thymic dendritic cells (DCs) and intrathymic DC development...
September 11, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28884781/novel-routes-to-electromagnetic-enhancement-and-its-characterisation-in-surface-and-tip-enhanced-raman-scattering
#14
P Dawson, D Frey, V Kalathingal, R Mehfuz, J Mitra
Quantitative understanding of the electromagnetic component in enhanced Raman spectroscopy is often difficult to achieve on account of the complex substrate structures utilised. We therefore turn to two structurally simple systems amenable to detailed modelling. The first is tip-enhanced Raman scattering under electron scanning tunnelling microscopy control (STM-TERS) where, appealing to understanding developed in the context of photon emission from STM, it is argued that the localised surface plasmon modes driving the Raman enhancement exist in the visible and near-infrared regime only by virtue of significant modification to the optical properties of the tip and sample metals (gold here)...
September 8, 2017: Faraday Discussions
https://www.readbyqxmd.com/read/28884611/an-evaluation-of-the-activated-partial-thromboplastin-time-waveform
#15
Takeshi Matsumoto, Hideo Wada, Naoki Fujimoto, Junki Toyoda, Yasunori Abe, Kohshi Ohishi, Yoshiki Yamashita, Makoto Ikejiri, Kei Hasegawa, Kei Suzuki, Hiroshi Imai, Kaname Nakatani, Naoyuki Katayama
The activated partial thromboplastin time (APTT) waveform includes several parameters that are related to various underlying diseases. The APTT waveform was examined in various diseases. Regarding the pattern of APTT waveform, a biphasic pattern of the first or second derivative curve (DC) was observed in patients with hemophilia and patients positive for antiphospholipid (aPL) antibodies or coagulation factor VIII (FVIII) inhibitors. The time of the first and second DC and fibrin formation at 1/2 height were prolonged in patients with hemophilia, patients with inhibitors, patients positive for aPL, patients treated with anti-Xa agents, and patients with disseminated intravascular coagulation (DIC)...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28884559/artificial-neural-network-predicts-hemorrhagic-contusions-following-decompressive-craniotomy-in-traumatic-brain-injury
#16
Jian-Li Wang, Guo-Liang Jin, Zi-Gang Yuan
OBJECTIVE: This study aimed to explore relevant factors of hemorrhagic contusions following decompressive craniotomy (DC) in traumatic brain injury (TBI), and create an artificial neural network (ANN) prediction model of the risk factors of hemorrhagic contusions. METHODS: This study analyzed 425 patients with TBI who underwent DC in the Neurosurgery Department of Shaoxing People's Hospital between 2009 and 2014. Patients were divided into two groups according to the first postoperative CT scans: hemorrhage group and non-hemorrhage group...
September 7, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28882130/the-hemorrhagic-transformation-index-score-a-prediction-tool-in-middle-cerebral-artery-ischemic-stroke
#17
Mikhail N Kalinin, Dina R Khasanova, Murat M Ibatullin
BACKGROUND: We aimed to develop a tool, the hemorrhagic transformation (HT) index (HTI), to predict any HT within 14 days after middle cerebral artery (MCA) stroke onset regardless of the intravenous recombinant tissue plasminogen activator (IV rtPA) use. That is especially important in the light of missing evidence-based data concerning the timing of anticoagulant resumption after stroke in patients with atrial fibrillation (AF). METHODS: We retrospectively analyzed 783 consecutive MCA stroke patients...
September 7, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28881793/lenalidomide-increases-human-dendritic-cell-maturation-in-multiple-myeloma-patients-targeting-monocyte-differentiation-and-modulating-mesenchymal-stromal-cell-inhibitory-properties
#18
Federica Costa, Rosanna Vescovini, Marina Bolzoni, Valentina Marchica, Paola Storti, Denise Toscani, Fabrizio Accardi, Laura Notarfranchi, Benedetta Dalla Palma, Cristina Manferdini, Sabrina Manni, Giannalisa Todaro, Gina Lisignoli, Francesco Piazza, Franco Aversa, Nicola Giuliani
The use of Lenalidomide (LEN), to reverse tumor-mediated immune suppression and amplify multiple myeloma-specific immunity is currently being explored. Particularly, LEN effects on dendritic cells (DCs) are still unclear. In this study, we investigated the potential effect of LEN on DC differentiation and activity. DCs were differentiated either from CD14(+) cells obtained from patients with multiple myeloma or from a human monocytic cell line. LEN, at the concentration range reached in vivo, significantly increased the median intensity expression of HLA-DR, CD86 and CD209 by DCs derived from both bone marrow and peripheral myeloma monocytes and enhanced the production of Interleukin-8, C-C motif chemokine ligand (CCL) 2, CCL5 and tumor necrosis factor-α...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28877276/does-laser-diode-irradiation-improve-the-degree-of-conversion-of-simplified-dentin-bonding-systems
#19
Leticia Ferreira de Freitas Brianezzi, Rafael Massunari Maenosono, Odair Bim, Giovanna Speranza Zabeu, Regina Guenka Palma-Dibb, Sérgio Kiyoshi Ishikiriama
Objective: This study aimed to investigate the effect of laser diode irradiation on the degree of conversion (DC), water sorption (WS), and water solubility (WSB) of these bonding systems in an attempt to improve their physico-mechanical resistance. Material and Methods: Two bonding agents were tested: a two-step total-etch system [Adper™ Single Bond 2, 3M ESPE (SB)] and a universal system [Adper™ Single Bond Universal, 3M ESPE (SU)]. Square-shaped specimens were prepared and assigned into 4 groups (n=5): SB and SU (control groups - no laser irradiation) and SB-L and SU-L [SB and SU laser (L) - irradiated groups]...
July 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28868201/never-say-never-again-a-bone-graft-infection-due-to-a-hornet-sting-thirty-nine-years-after-cranioplasty
#20
Rosario Maugeri, Roberto G Giammalva, Francesca Graziano, Luigi Basile, Carlo Gulì, Antonella Giugno, Domenico G Iacopino
BACKGROUND: Cranioplasty (CP) is a widespread surgical procedure aimed to restore skull integrity and physiological cerebral hemodynamics, to improve neurological functions and to protect the underlying brain after a life-saving decompressive craniectomy (DC). Nevertheless, CP is still burdened by surgical complications, among which early or late graft infections are the most common outcome-threatening ones. CASE DESCRIPTION: We report the case of 48-year-old man admitted to our neurosurgical unit because of a painful right frontal swelling and 1-week purulent discharge from a cutaneous fistula...
2017: Surgical Neurology International
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