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https://www.readbyqxmd.com/read/27909439/the-a-allele-of-the-single-nucleotide-polymorphism-rs630923-creates-a-binding-site-for-mef2c-resulting-in-reduced-cxcr5-promoter-activity-in-b-cell-lymphoblastic-cell-lines
#1
Nikita A Mitkin, Alisa M Muratova, Anton M Schwartz, Dmitry V Kuprash
Chemokine receptor CXCR5 is highly expressed in B-cells and under normal conditions is involved in their migration to specific areas of secondary lymphoid organs. B-cells are known to play an important role in various autoimmune diseases including multiple sclerosis (MS) where areas of demyelinating lesions attract B-cells by overexpressing CXCL13, the CXCR5 ligand. In this study, we aimed to determine the functional significance of single-nucleotide polymorphism rs630923 (A/C), which is located in cxcr5 gene promoter, and its common allele is associated with increased risk of MS...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27894304/brain-inflammation-is-accompanied-by-peripheral-inflammation-in-cstb-mice-a-model-for-progressive-myoclonus-epilepsy
#2
Olesya Okuneva, Zhilin Li, Inken Körber, Saara Tegelberg, Tarja Joensuu, Li Tian, Anna-Elina Lehesjoki
Progressive myoclonus epilepsy of Unverricht-Lundborg type (EPM1) is an autosomal recessively inherited childhood-onset neurodegenerative disorder, characterized by myoclonus, seizures, and ataxia. Mutations in the cystatin B gene (CSTB) underlie EPM1. The CSTB-deficient (Cstb (-/-) ) mouse model recapitulates key features of EPM1, including myoclonic seizures. The mice show early microglial activation that precedes seizure onset and neuronal loss and leads to neuroinflammation. We here characterized the inflammatory phenotype of Cstb (-/-) mice in more detail...
November 28, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27892451/upregulation-of-c-x-c-motif-ligand-13-cxcl13-attenuates-morphine-analgesia-in-rats-with-cancer-induced-bone-pain
#3
Shi-Feng Wang, Cheng-Gong Dong, Xue Yang, Jian-Jun Yin
BACKGROUND The aim of this study was to investigate the role of chemokine (C-X-C motif) ligand 13 (CXCL13) in morphine tolerance in rats with cancer-induced bone pain (CIBP). MATERIAL AND METHODS We established a rat CIBP model and a rat CIBP-morphine tolerance (BM) model. BM rats were intrathecally administered rmCXCL13, neutralizing anti-CXCL13, and normal saline, while the control group rats underwent a sham operation and were injected with normal saline. The morphine analgesia was assessed by measuring mechanical withdrawal threshold (MWT) and mechanical withdrawal duration (MWD) at various time points...
November 28, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27891302/epidemiology-of-sj%C3%A3-gren-s-syndrome-from-an-oral-perspective
#4
REVIEW
Anne Isine Bolstad, Kathrine Skarstein
Oral symptoms are among the most distressing manifestations for patients with Sjögren's syndrome (SS). The feeling of dry mouth is unpleasant, and hyposalivation may contribute to difficulty in speaking, chewing and swallowing and reduced quality of life. Reduced salivary flow increases the risk for dental caries and problems with prosthetic replacement. It seems that SS is not as frequently occurring as previously anticipated. Population-based prevalence studies on primary SS in Europe, conducted on large background populations and in accordance with the AECG criteria, reported of a prevalence of 1-9 cases per 10,000 people...
2016: Current Oral Health Reports
https://www.readbyqxmd.com/read/27888629/inhibition-of-bcr-signaling-using-the-syk-inhibitor-tak-659-prevents-stroma-mediated-signaling-in-chronic-lymphocytic-leukemia-cells
#5
Noelia Purroy, Júlia Carabia, Pau Abrisqueta, Leire Egia, Meritxell Aguiló, Cecilia Carpio, Carles Palacio, Marta Crespo, Francesc Bosch
Proliferation and survival of chronic lymphocytic leukemia (CLL) cells depend on microenvironmental signals coming from lymphoid organs. One of the key players involved in the crosstalk between CLL cells and the microenvironment is the B-cell receptor (BCR). Syk protein, a tyrosine kinase essential for BCR signaling, is therefore a rational candidate for targeted therapy in CLL. Against this background, we tested the efficacy of the highly specific Syk inhibitor TAK-659 in suppressing the favorable signaling derived from the microenvironment...
November 24, 2016: Oncotarget
https://www.readbyqxmd.com/read/27873133/altered-expression-of-cxcl13-and-cxcr5-in-intractable-temporal-lobe-epilepsy-patients-and-pilocarpine-induced-epileptic-rats
#6
Ruohan Li, Limin Ma, Hao Huang, Shu Ou, Jinxian Yuan, Tao Xu, Xinyuan Yu, Xi Liu, Juan Yang, Yangmei Chen, Xi Peng
The mechanisms that underlie the pathogenesis of epilepsy are still unclear. Recent studies have indicated that inflammatory processes occurring in the brain are involved in a common and crucial mechanism in epileptogenesis. C-X-C motif chemokine ligand 13 (CXCL13) and its only receptor, C-X-C motif chemokine receptor 5 (CXCR5), are highly expressed in the central nervous system (CNS) and participate in inflammatory responses. The present study aimed to assess the expression of CXCL13 and CXCR5 in the brain tissues of both patients with intractable epilepsy (IE) and a rat model (lithium-pilocarpine) of temporal lobe epilepsy (TLE) to identify possible roles of the CXCL13-CXCR5 signaling pathway in epileptogenesis...
November 21, 2016: Neurochemical Research
https://www.readbyqxmd.com/read/27863820/b-cell-depleting-therapy-regulates-splenic-and-circulating-t-follicular-helper-cells-in-immune-thrombocytopenia
#7
Sylvain Audia, Marzia Rossato, Malika Trad, Maxime Samson, Kim Santegoets, Alexandrine Gautheron, Cornelis Bekker, Olivier Facy, Nicolas Cheynel, Pablo Ortega-Deballon, Mathieu Boulin, Sabine Berthier, Vanessa Leguy-Seguin, Laurent Martin, Marion Ciudad, Nona Janikashvili, Philippe Saas, Timothy Radstake, Bernard Bonnotte
B cells are involved in immune thrombocytopenia (ITP) pathophysiology by producing antiplatelet auto-antibodies. However more than a half of ITP patients do not respond to B cell depletion induced by rituximab (RTX). The persistence of splenic T follicular helper cells (TFH) that we demonstrated to be expanded during ITP and to support B cell differentiation and antiplatelet antibody-production may participate to RTX inefficiency. Whereas it is well established that the survival of TFH depends on B cells in animal models, nothing is known in humans yet...
November 15, 2016: Journal of Autoimmunity
https://www.readbyqxmd.com/read/27856557/activating-transcription-factor-3-attenuates-chemokine-and-cytokine-expression-in-mouse-skeletal-muscle-after-exercise-and-facilitates-molecular-adaptation-to-endurance-training
#8
Rodrigo Fernández-Verdejo, Aline M Vanwynsberghe, Ahmed Essaghir, Jean-Baptiste Demoulin, Tsonwin Hai, Louise Deldicque, Marc Francaux
Activating transcription factor (ATF)3 regulates the expression of inflammation-related genes in several tissues under pathological contexts. In skeletal muscle, atf3 expression increases after exercise, but its target genes remain unknown. We aimed to identify those genes and to determine the influence of ATF3 on muscle adaptation to training. Skeletal muscles of ATF3-knockout (ATF3-KO) and control mice were analyzed at rest, after exercise, and after training. In resting muscles, there was no difference between genotypes in enzymatic activities or fiber type...
November 17, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/27852854/a-novel-rabies-vaccine-expressing-cxcl13-enhances-humoral-immunity-by-recruiting-both-t-follicular-helper-and-germinal-center-b-cells
#9
Zhao Wang, Mingming Li, Ming Zhou, Yajing Zhang, Jie Yang, Yandi Cao, Kunlun Wang, Min Cui, Huanchun Chen, Zhen F Fu, Ling Zhao
: Rabies still remains a public health threat in most parts of the world, and approximately 99% of the cases are transmitted by dogs. There is an urgent need to develop an efficacious and affordable vaccine to control canine-transmitted rabies in developing countries. Our previous studies demonstrate that overexpression of chemokines/cytokines such as CCL-3 (MIP-1α) and GM-CSF can enhance the immunogenicity of rabies vaccines. In the present study, the chemokine CXCL13 was inserted into the genome of the recombinant rabies virus (rRABV) strain LBNSE, and the effect of the chemokine CXCL13 on the immunogenicity of the RABV was investigated...
November 16, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27846893/erratum-to-the-expression-of-cxcl13-and-its-relation-to-unfavorable-clinical-characteristics-in-young-breast-cancer
#10
Lujia Chen, Zhongxi Huang, Guangyu Yao, Xiaoming Lyu, Jinbang Li, Xiaolei Hu, Yahong Cai, Wenji Li, Changsheng Ye, Xin Li
No abstract text is available yet for this article.
November 15, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27832827/human-brain-chemokine-and-cytokine-expression-in-sepsis-a-report-of-three-cases
#11
Jordan Warford, Anna-Claire Lamport, Barry Kennedy, Alexander S Easton
BACKGROUND: Sepsis is a systemic response to infection that can affect brain function by inducing resident cells (including astrocytes and microglia) to generate brain chemokines and cytokines. However, there are few studies on the human brain. Since this information may shed further light on pathogenesis, our study objective was to measure the expression of 36 chemokines and cytokines in autopsied brain from 3 cases of sepsis and 10 controls, and to relate this to astrocyte and microglial activation...
November 11, 2016: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/27795695/circulating-chemokine-ligand-levels-before-and-after-successful-kidney-transplantation
#12
Hamdi Elmoselhi, Holly Mansell, Mahmoud Soliman, Ahmed Shoker
BACKGROUND: Chemokine ligands (CCLs) play a pivotal role in tissue injury before and after kidney transplantation. Meanwhile, transplantation improves patient's survival and diminishes morbidity. It is hypothesized, then, that kidney transplantation diminishes pre-transplant (pre-TX) levels of circulating inflammatory CCLs. This retrospective study compared circulating levels and profiles of CCLs before transplantation (pre-TX) and after transplantation (post-TX). METHODS: Nineteen CCLs (1, 2, 3, 4, 5, 8, 11, 13, 15, 17, 21, 24, 26, 27, CXCL 5, 8, 10, 12 and 13) were measured in 47 stable post-TX recipients, and their stored pre-TX plasma was analyzed by multiplexed fluorescent bead-based immunoassay...
2016: Journal of Inflammation
https://www.readbyqxmd.com/read/27795366/ifn-%C3%AE-regulated-chemokines-in-leishmania-donovani-infection-in-the-liver
#13
Henry W Murray, Andrew D Luster, Hua Zheng, Xiaojing Ma
In livers of C57BL/6 mice, IFN-γ controls intracellular Leishmania donovani infection and the efficacy of antimony (Sb) chemotherapy. Since both responses usually correlate with granulomatous inflammation, we tested six prominently-expressed, IFN-γ-regulated chemokines - CXCL9, CXCL10, CXCL13, CXCL16 and CCL2 and CCL5 - for roles in: (a) mononuclear cell recruitment and granuloma assembly and maturation, (b) initial control of infection and self-cure, and (c) responsivenesss to Sb treatment. Together, results in L...
October 24, 2016: Infection and Immunity
https://www.readbyqxmd.com/read/27787906/cerebrospinal-fluid-biomarkers-as-a-measure-of-disease-activity-and-treatment-efficacy-in-relapsing-remitting-multiple-sclerosis
#14
Lenka Novakova, Markus Axelsson, Mohsen Khademi, Henrik Zetterberg, Kaj Blennow, Clas Malmeström, Fredrik Piehl, Tomas Olsson, Jan Lycke
Cerebrospinal fluid (CSF) biomarkers can reflect different aspects of the pathophysiology of relapsing-remitting multiple sclerosis (RRMS). Understanding the impact of different disease modifying therapies on the CSF biomarker profile may increase their implementation in clinical practice and their appropriateness for monitoring treatment efficacy. This study investigated the influence of first-line (interferon beta) and second-line (natalizumab) therapies on seven CSF biomarkers in RRMS and their correlation with clinical and radiological outcomes...
October 27, 2016: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27782867/predictive-significance-of-ccl21-and-cxcl13-levels-in-the-minor-salivary-glands-of-patients-with-sj%C3%A3-gren-s-syndrome
#15
Kyung-Eun Lee, Ji-Hyoun Kang, Yi-Rang Yim, Ji-Eun Kim, Jeong-Won Lee, Lihui Wen, Dong-Jin Park, Tae-Jong Kim, Yong-Wook Park, Kyung Chul Yoon, Ji Shin Lee, Shin-Seok Lee
OBJECTIVES: To investigate whether CCL21 and CXCL13 expression levels in the minor salivary gland are associated with the laboratory and clinical manifestations of Sjögren's syndrome (SS). METHODS: Sociodemographic data on 106 SS patients were obtained and the glandular and extraglandular manifestations of the disease were documented. In addition, minor salivary gland biopsies were performed and the patients' laboratory findings were analysed. European League Against Rheumatism SS disease activity index (ESSDAI) values of SS disease activity at the time of biopsy and the SS disease damage index (SSDDI) values were also recorded...
October 21, 2016: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/27777573/artery-tertiary-lymphoid-organs-powerhouses-of-atherosclerosis-immunity
#16
Changjun Yin, Sarajo Kumar Mohanta, Prasad Srikakulapu, Christian Weber, Andreas J R Habenicht
Artery tertiary lymphoid organs (ATLOs) are atherosclerosis-associated lymphoid aggregates with varying degrees of complexity ranging from small T/B-cell clusters to well-structured lymph node-like though unencapsulated lymphoid tissues. ATLOs arise in the connective tissue that surrounds diseased arteries, i.e., the adventitia. ATLOs have been identified in aged atherosclerosis-prone hyperlipidemic apolipoprotein E-deficient (ApoE(-/-)) mice: they are organized into distinct immune cell compartments, including separate T-cell areas, activated B-cell follicles, and plasma cell niches...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27756335/cerebrospinal-fluid-cytokines-in-lyme-neuroborreliosis
#17
Annukka Pietikäinen, Mikael Maksimow, Tommi Kauko, Saija Hurme, Marko Salmi, Jukka Hytönen
BACKGROUND: Lyme neuroborreliosis (LNB) is one of the manifestations of Lyme disease. Although it is known that immune reaction of LNB patients is dominated by Th1 and Th2 responses and patients have elevated numbers of B cells in their cerebrospinal fluid (CSF), not all the cells involved in inflammation and cytokine secretion have been characterized. The current diagnostics of LNB is based on intrathecal production of antibodies. In recent years, the measurement of chemokine CXCL13 concentration from the CSF has been introduced as a new promising diagnostic tool for LNB to complement the antibody-based diagnostic methods...
October 18, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27742917/corrigendum
#18
(no author information available yet)
Corrigendum to Ragheb, S et al. (2011). Multiple sclerosis: BAFF and CXCL13 in cerebrospinal fluid Multiple Sclerosis Journal 17(07) 819-829. [DOI: 10.1177/1352458511398887].
October 2016: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/27737526/enforced-expression-of-cxcr5-drives-t-follicular-regulatory-like-features-in-foxp3%C3%A2-%C2%BA-t-cells
#19
Young Uk Kim, Byung-Seok Kim, Hoyong Lim, Rick A Wetsel, Yeonseok Chung
CXCR5⁺ T follicular helper (Tfh) cells are associated with aberrant autoantibody production in patients with antibody-mediated autoimmune diseases including lupus. Follicular regulatory T (Tfr) cells expressing CXCR5 and Bcl6 have been recently identified as a specialized subset of Foxp3⁺ regulatory T (Treg) cells that control germinal center reactions. In this study, we show that retroviral transduction of CXCR5 gene in Foxp3⁺ Treg cells induced a stable expression of functional CXCR5 on their surface...
October 17, 2016: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/27708397/cxcl13-cxcr5-enhances-sodium-channel-nav1-8-current-density-via-p38-map-kinase-in-primary-sensory-neurons-following-inflammatory-pain
#20
Xiao-Bo Wu, De-Li Cao, Xin Zhang, Bao-Chun Jiang, Lin-Xia Zhao, Bin Qian, Yong-Jing Gao
CXCL13 is a B lymphocyte chemoattractant and activates CXCR5 receptor in the immune system. Here we investigated whether CXCL13/CXCR5 mediates inflammatory pain in dorsal root ganglia (DRG) and the underlying mechanisms. Peripheral injection of complete Freund's Adjuvant (CFA) increased the expression of CXCL13 and CXCR5 in DRG neurons. In Cxcr5(-/-) mice, CFA-induced pain hypersensitivity were attenuated. Whole-cell patch-clamp recording showed that the excitability of dissociated DRG neurons was increased after CFA injection or CXCL13 incubation from wild-type (WT) mice, but not from Cxcr5(-/-) mice...
October 6, 2016: Scientific Reports
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