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CXCL13

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https://www.readbyqxmd.com/read/28637005/cxcl13-is-androgen-responsive-and-involved-in-androgen-induced-prostate-cancer-cell-migration-and-invasion
#1
Long Fan, Qingyi Zhu, Li Liu, Cuicui Zhu, Haojie Huang, Shan Lu, Ping Liu
Androgen receptor (AR) is a key transcription factor playing a critical role in prostate cancer (PCa) initiation and progression. However, the molecular mechanisms of AR action in prostate cancer are not very clear. CXCL13, known as B cell attracting chemokine1 (BCA-1), is a member of CXC chemokine family and relevant to cancer metastasis. This study shows that CXCL13 is an androgen-responsive gene and involved in AR-induced PCa cell migration and invasion. In clinical specimens, expression of CXCL13 in PCa tissues is markedly higher than that in adjacent normal tissues...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28603659/regulated-production-of-cxcl13-within-the-central-nervous-system
#2
David N Irani
The chemokine, C-X-C motif ligand 13 (CXCL13), is constitutively expressed in lymphoid organs and controls the recruitment and compartmentalization of lymphocytes and antigen presenting cells within these specialized structures. Recent data, however, also show induction of this molecule under a variety of circumstances during central nervous system (CNS) inflammation. While its role(s) in the pathogenesis of neoplastic, infectious and autoimmune disorders of the CNS remain incompletely understood, growing evidence suggests that CXCL13 could become a relevant therapeutic target in at least some of these conditions...
October 2016: Journal of Clinical & Cellular Immunology
https://www.readbyqxmd.com/read/28585074/subtype-specific-prognostic-impact-of-different-immune-signatures-in-node-negative-breast-cancer
#3
A-S Heimes, K Madjar, K Edlund, M J Battista, K Almstedt, T Elger, S Krajnak, J Rahnenführer, W Brenner, A Hasenburg, J G Hengstler, M Schmidt
BACKGROUND: The role of different subtypes of immune cells is still a matter of debate. METHODS: We compared the prognostic relevance for metastasis-free survival (MFS) of a B-cell signature (BS), a T-cell signature (TS), and an immune checkpoint signature (CPS) in node-negative breast cancer (BC) using mRNA expression. Microarray-based gene-expression data were analyzed in six previously published cohorts of node-negative breast cancer patients not treated with adjuvant therapy (n = 824)...
June 5, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28570278/cxcl13-producing-tfh-cells-link-immune-suppression-and-adaptive-memory-in-human-breast-cancer
#4
Chunyan Gu-Trantien, Edoardo Migliori, Laurence Buisseret, Alexandre de Wind, Sylvain Brohée, Soizic Garaud, Grégory Noël, Vu Luan Dang Chi, Jean-Nicolas Lodewyckx, Céline Naveaux, Hugues Duvillier, Stanislas Goriely, Denis Larsimont, Karen Willard-Gallo
T follicular helper cells (TFH cells) are important regulators of antigen-specific B cell responses. The B cell chemoattractant CXCL13 has recently been linked with TFH cell infiltration and improved survival in human cancer. Although human TFH cells can produce CXCL13, their immune functions are currently unknown. This study presents data from human breast cancer, advocating a role for tumor-infiltrating CXCL13-producing (CXCR5-) TFH cells, here named TFHX13 cells, in promoting local memory B cell differentiation...
June 2, 2017: JCI Insight
https://www.readbyqxmd.com/read/28564491/abatacept-attenuates-t-follicular-helper-cell-dependent-b-cell-hyperactivity-in-primary-sj%C3%A3-gren-s-syndrome
#5
Gwenny M Verstappen, Petra M Meiners, Odilia B J Corneth, Annie Visser, Suzanne Arends, Wayel H Abdulahad, Rudi W Hendriks, Arjan Vissink, Frans G M Kroese, Hendrika Bootsma
Objective To assess the effect of abatacept (CTLA-4-Ig), which limits T-cell activation, on homeostasis of CD4(+) T-cell subsets and T-cell-dependent B-cell hyperactivity in patients with primary Sjögren's syndrome (pSS). Methods Fifteen pSS patients treated with abatacept were included. Circulating CD4(+) T-cell and B-cell subsets were analyzed by flow cytometry at baseline, on treatment and off treatment. CD4(+) effector T-cell subsets and T regulatory (Treg)-cells were identified based on expression of CD45RA, CXCR3, CCR6, CCR4, CXCR5, programmed death-1 (PD-1), inducible costimulator (ICOS) and FoxP3...
May 31, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28526442/comparative-study-of-interleukin-17c-il-17c-and-il-17d-in-large-yellow-croaker-larimichthys-crocea-reveals-their-similar-but-differential-functional-activity
#6
Yang Ding, Jingqun Ao, Xinhua Chen
Interleukin 17 (IL-17) family members are key players in regulating the immune response in mammals. Here, we identified the IL-17C and IL-17D homologs from large yellow croaker (Larimichthys crocea), named LcIL-17C and LcIL-17D, respectively. The deduced LcIL-17C and LcIL-17D proteins possessed the typical IL-17 domain and shared a conserved arrangement of eight cysteine residues. Both LcIL-17C and LcIL-17Dc genes were constitutively expressed in all tissues examined, although at different levels. After challenge with Aeromonas hydrophila, the expression of LcIL-17C and LcIL-17D was significantly increased in gills, head kidney, and spleen...
May 16, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28485792/increased-expression-of-cxcr5-and-cxcl13-in-mice-with-experimental-autoimmune-myocarditis
#7
F-L Han, F Liang, T-C Jiang, M Liu
OBJECTIVE: Myocarditis is an inflammatory heart muscle disease associated with cardiac dysfunction, and autoimmunity is considered to play an important role in the pathogenesis of myocarditis. CXCL13 and its receptor CXCR5 have been reported to be associated with many diseases including some cancers and inflammatory diseases, but so far there has been no report on CXCR5/CXCL13 expression in myocarditis. MATERIALS AND METHODS: With a mouse experimental autoimmune myocarditis (EAM) model, it was found that the mRNA and protein expression of both CXCR5 and CXCL13 were increased in myocardial tissue in the EAM mice...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28469959/treatment-with-the-c-c-chemokine-receptor-type-5-ccr5-inhibitor-maraviroc-suppresses-growth-and-induces-apoptosis-of-acute-lymphoblastic-leukemia-cells
#8
Jie Zi, Shushu Yuan, Jianlin Qiao, Kai Zhao, Linyan Xu, Kunming Qi, Kailin Xu, Lingyu Zeng
Acute lymphoblastic leukemia (ALL) is the most common hematological malignancy diagnosed in children and is a malignant disorder that originates from one single hematopoietic precursor committed to B- or T-cell lineage. C-C chemokine receptor type 5 (CCR5) is a chemokine and chemokine receptor pair playing critical roles in tumorigenesis. A highly potent competitive antagonist of CCR5, maraviroc, recently has been identified with suppression of cancer cells aggressive in a variety of cancers. However, the effects of maraviroc on ALL cells have not yet been defined...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28456937/muscle-microdialysis-to-investigate-inflammatory-biomarkers-in-facioscapulohumeral-muscular-dystrophy
#9
Giorgio Tasca, Mauro Monforte, Maddalena Corbi, Giuseppe Granata, Donatella Lucchetti, Alessandro Sgambato, Enzo Ricci
Recent progresses in the understanding of facioscapulohumeral muscular dystrophy (FSHD) genetics opened the way to the development of targeted therapies. However, knowledge about pathophysiology of muscle damage is still limited and there is increasing need to identify biomarkers of disease activity in the perspective of clinical trial readiness.We analyzed inflammatory mediators in the interstitial fluid of muscles with different MRI signal in FSHD patients, comparing muscles displaying early lesions on short-tau inversion recovery (STIR) sequences with normal ones...
April 29, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28454789/cxcr5-overexpressing-mesenchymal-stromal-cells-exhibit-enhanced-homing-and-can-decrease-contact-hypersensitivity
#10
Xiaoran Zhang, Weijun Huang, Xiaoyong Chen, Yufan Lian, Jiancheng Wang, Chuang Cai, Li Huang, Tao Wang, Jie Ren, Andy Peng Xiang
Mesenchymal stromal cells (MSCs) can modulate inflammation and contribute to tissue regeneration and, thus, have emerged as a promising option for cell-based therapy. However, the ability of MSCs to migrate to injured tissues still needs to be improved. In this study, we investigated whether genetically engineered MSCs could exhibit increased migratory properties and improved therapeutic efficacy. Using a mouse model of contact hypersensitivity (CHS), chemokine gene expression screening revealed that CXCL13 changed most significantly in injured tissue...
June 7, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28446556/bacteria-driven-peribronchial-lymphoid-neogenesis-in-bronchiectasis-and-cystic-fibrosis
#11
Justine Frija-Masson, Clémence Martin, Lucile Regard, Marie-Noëlle Lothe, Lhousseine Touqui, Aurélie Durand, Bruno Lucas, Diane Damotte, Marco Alifano, Isabelle Fajac, Pierre-Régis Burgel
We aimed to characterise lymphoid neogenesis in bronchiectasis and cystic fibrosis (CF) lungs and to examine the role of bacterial infection.Lymphoid aggregates were examined using immunohistochemical staining and morphometric analysis in surgical lung sections obtained from nonsmokers and patients with bronchiectasis or CF. Sterile, Pseudomonas aeruginosa- or Staphylococcus aureus-coated agarose beads were instilled intratracheally in mice. Kinetics of lymphoid neogenesis and chemokine expression were examined over 14 days...
April 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28444098/the-cerebrospinal-fluid-in-multiple-sclerosis-far-beyond-the-bands
#12
Renan Barros Domingues, Gustavo Bruniera Peres Fernandes, Fernando Brunale Vilela de Moura Leite, Charles Peter Tilbery, Rodrigo Barbosa Thomaz, Gisele Sampaio Silva, Cristóvão Luis Pitangueira Mangueira, Carlos Augusto Senne Soares
The cerebrospinal fluid analysis has been employed for supporting multiple sclerosis diagnosis and ruling out the differential diagnoses. The most classical findings reflect the inflammatory nature of the disease, including mild pleocytosis, mild protein increase, intrathecal synthesis of immunoglobulin G, and, most typically, the presence of oligoclonal bands. In recent years, new biomarkers have emerged in the context of multiple sclerosis. The search for new biomarkers reflect the need of a better evaluation of disease activity, disease progression, and treatment efficiency...
January 2017: Einstein
https://www.readbyqxmd.com/read/28439892/cerebrospinal-fluid-cyto-chemokine-profile-during-acute-herpes-simplex-virus-induced-anti-n-methyl-d-aspartate-receptor-encephalitis-and-in-chronic-neurological-sequelae
#13
Kavitha Kothur, Deepak Gill, Melanie Wong, Shekeeb S Mohammad, Sushil Bandodkar, Susan Arbunckle, Louise Wienholt, Russell C Dale
AIM: To examine the cytokine/chemokine profile of cerebrospinal fluid (CSF) during acute herpes simplex virus-induced N-methyl-d-aspartate receptor (NMDAR) autoimmunity and in chronic/relapsing post-herpes simplex virus encephalitis (HSE) neurological syndromes. METHOD: We measured longitudinal serial CSF cyto-/chemokines (n=34) and a glial marker (calcium-binding astroglial protein, S100B) in one patient during acute HSE and subsequent anti-NMDAR encephalitis, and compared the results with those from two patients with anti-NMDAR encephalitis without preceding HSE...
April 25, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28428203/tslp-activated-dendritic-cells-induce-human-t-follicular-helper-cell-differentiation-through-ox40-ligand
#14
Lucia Pattarini, Coline Trichot, Sofia Bogiatzi, Maximilien Grandclaudon, Stephan Meller, Zela Keuylian, Melanie Durand, Elisabetta Volpe, Stefania Madonna, Andrea Cavani, Andrea Chiricozzi, Marco Romanelli, Toshiyuki Hori, Alain Hovnanian, Bernhard Homey, Vassili Soumelis
T follicular helper cells (Tfh) are important regulators of humoral responses. Human Tfh polarization pathways have been thus far associated with Th1 and Th17 polarization pathways. How human Tfh cells differentiate in Th2-skewed environments is unknown. We show that thymic stromal lymphopoietin (TSLP)-activated dendritic cells (DCs) promote human Tfh differentiation from naive CD4 T cells. We identified a novel population, distinct from Th2 cells, expressing IL-21 and TNF, suggestive of inflammatory cells...
May 1, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28427244/whole-genome-expression-analyses-of-type-2-diabetes-in-human-skin-reveal-altered-immune-function-and-burden-of-infection
#15
Chun Wu, Xiaopan Chen, Jing Shu, Chun-Ting Lee
Skin disorders are among most common complications associated with type 2 diabetes mellitus (T2DM). Although T2DM patients are known to have increased risk of infections and other T2DM-related skin disorders, their molecular mechanisms are largely unknown. This study aims to identify dysregulated genes and gene networks that are associated with T2DM in human skin. We compared the expression profiles of 56,318 transcribed genes on 74 T2DM cases and 148 gender- age-, and race-matched non-diabetes controls from the Genotype-Tissue Expression (GTEx) database...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28424405/the-bruton-s-tyrosine-kinase-inhibitor-ibrutinib-exerts-immunomodulatory-effects-through-regulation-of-tumor-infiltrating-macrophages
#16
Lingyan Ping, Ning Ding, Yunfei Shi, Lixia Feng, Jiao Li, Yalu Liu, Yufu Lin, Cunzhen Shi, Xing Wang, Zhengying Pan, Yuqin Song, Jun Zhu
The Bruton's tyrosine kinase (Btk) inhibitor ibrutinib has demonstrated promising efficacy in a variety of hematologic malignancies. However, the precise mechanism of action of the drug remains to be fully elucidated. Tumor-infiltrating macrophages presented in the tumor microenvironment have been shown to promote development and progression of B-cell lymphomas through crosstalk mediated by secreted cytokines and chemokines. Because Btk has been implicated in Toll-like receptor (TLR) signaling pathways that regulate macrophage activation and production of proinflammatory cytokines, we investigated the immunomodulatory effects of Btk inhibitor on macrophages...
June 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422187/a-sphingosine-1-phosphate-receptor-1-agonist-inhibits-tertiary-lymphoid-tissue-reactivation-and-hypersensitivity-in-the-lung
#17
C A Huppé, P Blais Lecours, A Lechasseur, D R Gendron, A M Lemay, E Y Bissonnette, M R Blanchet, C Duchaine, M C Morissette, H Rosen, D Marsolais
Hypersensitivity pneumonitis is characterized by pulmonary accumulation of B-cell-rich tertiary lymphoid tissues (TLTs), which are alleged sites of amplification for antigen-specific responses. The sphingosine-1-phosphate receptor 1 (S1P1) regulates key mechanisms underlying lymphoid tissue biology and its chemical modulation causes lymphocyte retention in lymph nodes. Given the putative immunopathogenic impact of lymphocyte accumulation in TLTs, we investigated whether or not chemical modulation of S1P1 caused lymphocyte retention within TLTs in a model of hypersensitivity pneumonitis...
April 19, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28413701/elevated-c-x-c-motif-ligand-13-and-b-cell-activating-factor-levels-in-neuromyelitis-optica-during-remission
#18
Su Wang, Tao Yang, Jianglong Wan, Yongchao Zhang, Yongping Fan
BACKGROUND: Discovery of specific antibodies against astrocytic water channel aquaporin-4 (AQP4), which is produced by plasma cells, in the serum of neuromyelitis optica (NMO) confirmed the pathogenic role of B cells in NMO. C-X-C motif ligand 13 (CXCL13) and B-cell-activating factor (BAFF) are two crucial factors for antibody production. Relevant studies have focused on the acute phase of NMO. However, CXCL13 and BAFF levels during remission, remain to be elucidated. OBJECTIVE: To evaluate serum levels of CXCL13 and BAFF in NMO and multiple sclerosis (MS) patients during remission and explore their correlation with immunosuppressive agents and clinical features in NMO...
April 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28405523/histidine-decarboxylase-hdc-expressing-granulocytic-myeloid-cells-induce-and-recruit-foxp3-regulatory-t-cells-in-murine-colon-cancer
#19
Xiaowei Chen, Yoshihiro Takemoto, Huan Deng, Moritz Middelhoff, Richard A Friedman, Timothy H Chu, Michael J Churchill, Yan Ma, Karan K Nagar, Yagnesh H Tailor, Siddhartha Mukherjee, Timothy C Wang
The colorectal tumor microenvironment contains a diverse population of myeloid cells that are recruited and converted to immunosuppressive cells, thus facilitating tumor escape from immunoediting. We have identified a genetically and functionally distinct subset of dynamic bone marrow myeloid cells that are characterized by histidine decarboxylase (HDC) expression. Lineage tracing in Hdc-CreERT2;R26-LSL-tdTomato mice revealed that in homeostasis, there is a strong bias by HDC(+) myeloid cells toward the CD11b(+)Ly6G(hi) granulocytic lineage, which was accelerated during azoxymethane/dextran sodium sulfate (AOM/DSS)-induced colonic carcinogenesis...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28402859/protein-kinase-c-epsilon-cooperates-with-pten-loss-for-prostate-tumorigenesis-through-the-cxcl13-cxcr5-pathway
#20
Rachana Garg, Jorge M Blando, Carlos J Perez, Martin C Abba, Fernando Benavides, Marcelo G Kazanietz
PKCε, an oncogenic member of the PKC family, is aberrantly overexpressed in epithelial cancers. To date, little is known about functional interactions of PKCε with other genetic alterations, as well as the effectors contributing to its tumorigenic and metastatic phenotype. Here, we demonstrate that PKCε cooperates with the loss of the tumor suppressor Pten for the development of prostate cancer in a mouse model. Mechanistic analysis revealed that PKCε overexpression and Pten loss individually and synergistically upregulate the production of the chemokine CXCL13, which involves the transcriptional activation of the CXCL13 gene via the non-canonical nuclear factor κB (NF-κB) pathway...
April 11, 2017: Cell Reports
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