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https://www.readbyqxmd.com/read/28100749/promoted-interaction-of-c-ebp%C3%AE-with-demethylated-cxcr3-gene-promoter-contributes-to-neuropathic-pain-in-mice
#1
Bao-Chun Jiang, Li-Na He, Xiao-Bo Wu, Hui Shi, Wen-Wen Zhang, Zhi-Jun Zhang, De-Li Cao, Chun-Hua Li, Jun Gu, Yong-Jing Gao
: DNA methylation has been implicated in the pathogenesis of chronic pain. However, the specific genes regulated by DNA methylation under neuropathic pain condition remain largely unknown. Here we investigated how chemokine receptor CXCR3 is regulated by DNA methylation and how it contributes to neuropathic pain induced by spinal nerve ligation (SNL) in mice. SNL increased Cxcr3 mRNA and protein expression in the neurons of the spinal cord. Meanwhile, the CpG (5'-cytosine-phosphate-guanine-3') island in the Cxcr3 gene promoter region was demethylated, and the expression of DNA methyltransferase 3b (DNMT3b) was decreased...
January 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28078185/cxcl11-expression-by-keratinocytes-occurs-transiently-between-reaching-confluence-and-cellular-compaction
#2
Arthur C Huen, Archana Marathi, Peter K Nam, Alan Wells
Objective: To investigate whether differentiation or cellular confluence is responsible for CXCL11 expression patterns in re-epithelialization. Approach:In vitro model systems of re-epithelialization using the HaCaT keratinocyte cell line were utilized in monitoring expression of differentiation markers, including desmoplakin and various cytokeratins while evaluating for an association with chemokine CXCL11 expression. Results: CXCL11 expression was elevated in sparse culture with peak expression near the time of confluence...
December 1, 2016: Advances in Wound Care
https://www.readbyqxmd.com/read/28057639/clinical-and-immunologic-impact-of-ccr5-blockade-in-graft-versus-host-disease-prophylaxis
#3
Ryan H Moy, Austin P Huffman, Lee P Richman, Lisa Crisalli, Ximi K Wang, James A Hoxie, Rosemarie Mick, Stephen G Emerson, Yi Zhang, Robert H Vonderheide, David L Porter, Ran Reshef
Graft-versus-host disease (GVHD) is a major cause of morbidity and mortality after allogeneic hematopoietic stem cell transplantation (allo-HSCT). Lymphocyte trafficking via chemokine receptors such as CCR5 plays a critical role in alloreactive responses, and previous data suggest that CCR5 blockade with maraviroc results in a low incidence of visceral GVHD. However, the full scope of clinical and immunologic effects of CCR5 blockade in HSCT has not been described. We compared a cohort of patients enrolled on a trial of reduced-intensity allo-HSCT with standard GVHD prophylaxis plus maraviroc to a contemporary control cohort receiving standard GVHD prophylaxis alone...
January 5, 2017: Blood
https://www.readbyqxmd.com/read/28053515/gender-differences-in-the-t-cell-profiles-of-the-airways-in-copd-patients-associated-with-clinical-phenotypes
#4
Helena Forsslund, Mingxing Yang, Mikael Mikko, Reza Karimi, Sven Nyrén, Benita Engvall, Johan Grunewald, Heta Merikallio, Riitta Kaarteenaho, Jan Wahlström, Åsa M Wheelock, C Magnus Sköld
T lymphocytes are believed to play an important role in the pathogenesis of chronic obstructive pulmonary disease (COPD). How T cells are recruited to the lungs and contribute to the inflammatory process is largely unknown. COPD is a heterogeneous disease, and discriminating disease phenotypes based on distinct molecular and cellular pathways may provide new approaches for individualized diagnosis and therapies. Bronchoalveolar lavage (BAL) and blood samples were obtained from 40 never-smokers, 40 smokers with normal lung function, and 38 COPD patients...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28051835/mesothelioma-and-interferon-%C3%AE-dependent-chemokine-ip-10
#5
P Fallahi, F Ragusa
Recently it has been shown that interferon (IFN)-γ plays an important role in mesothelioma, mediated by the main IFN-γ dependent chemokines, chemokine (C-X-C motif) ligand (CXCL)10/IFN-γ- induced protein 10 (IP-10). IP-10 is up-regulated in malignant mesothelioma (MM), suggesting a relationship with development of these tumors. Nanoparticles containing nickel, that increase the risk for pleural diseases, induced increased levels of IP-10 in rat pleural mesothelial cells. Chemokine (C-X-C motif) receptor (CXCR)3 expression in CD4(+) T cells from pleural plaques and MMs was significantly decreased compared with that from healthy donors suggesting that CXCR3, IFN-γ, and IP-10 may be candidates to detect and monitor disease status...
November 2016: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28051834/interferon-%C3%AE-induced-protein-10-in-dengue-virus-infection
#6
P Fallahi, G Elia
Dengue virus (DENV) infection causes dengue fever, dengue hemorrhagic fever, or dengue shock syndrome. Interferons (IFNs), and IFN-γ dependent chemokines, chemokine (C-X-C motif) ligand (CXCL)10/IFN-γ-induced protein 10 (IP-10), CXCL9/MIG and CXCL11/I-TAC, and their common receptor chemokine (C-X-C motif) receptor (CXCR)3 are induced by DENV infection; however it has been shown that the latter two could not compensate for the absence of IP-10. This paper reviews studies about DENV and IP-10. Evidences show the importance of IP-10 induction during DENV infection, in macrophages, lymphocytes, hepatic cells, denritic cells, in skin and in the brain...
November 2016: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28046003/cxcl10-ip-10-neutralization-can-ameliorate-lipopolysaccharide-induced-acute-respiratory-distress-syndrome-in-rats
#7
Shan Lang, Libing Li, Xuning Wang, Junping Sun, Xinying Xue, Yongjiu Xiao, Mingyue Zhang, Ting Ao, Jianxin Wang
The role of C-X-C motif chemokine 10 (CXCL10), a pro-inflammatory factor, in the development of acute respiratory distress syndrome (ARDS) remains unclear. In this study, we explored the role of CXCL10 and the effect of CXCL10 neutralization in lipopolysaccharide (LPS)-induced ARDS in rats. The expression of CXCL10 and its receptor chemokine receptor 3(CXCR3) increased after LPS induction. Moreover, neutralization of CXCL10 ameliorated the severity of ARDS by reducing pulmonary edema, inhibiting the release of inflammatory mediators (IFN-γ, IL-6 and ICAM-1) and limiting inflammatory cells (neutrophils, macrophages, CD8+ T cells) influx into the lung, with a reduction in CXCR3 expression in neutrophils and macrophages...
2017: PloS One
https://www.readbyqxmd.com/read/28042949/recombinant-parvoviruses-armed-to-deliver-cxcl4l1-and-cxcl10-are-impaired-in-their-antiangiogenic-and-antitumoral-effects-in-a-kaposi-sarcoma-tumor-model-due-to-the-chemokines-interference-with-the-virus-cycle
#8
Christiane Dinsart, Kalliopi Pervolaraki, Alexandra Stroh-Dege, Muriel Lavie, Isabelle Ronsse, Jean Rommelaere, Jo Van Damme, Katrien Van Raemdonck, Sofie Struyf
Application of oncolytic viruses is a valuable option to broaden the armament of anti-cancer therapies as these combine specific cytotoxic effects and immune-stimulating properties. The self-replicating H-1 parvovirus (H-1PV) is a prototypical oncolytic virus that besides targeting tumor cells also infects endothelial cells, thus combining oncolytic and angiostatic traits. To increase its therapeutic value, H-1PV can be armed with cytokines or chemokines to enhance the immunological response. Some chemokines, more specifically the CXCR3 ligands CXCL4L1 and CXCL10 combine immune-stimulating properties with angiostatic activity...
January 2, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28025071/th17-cells-correlate-positively-to-the-structural-and-functional-integrity-of-the-brain-in-bipolar-depression-and-healthy-controls
#9
Sara Poletti, Harm de Wit, Elena Mazza, Annemarie J M Wijkhuijs, Clara Locatelli, Veronica Aggio, Cristina Colombo, Francesco Benedetti, Hemmo A Drexhage
: Abnormalities of T cell-mediated immune activation, in the absence of active somatic immune diseases, have consistently been reported in mood disorders. Apart from being important players in the regulation of cells of the immune system, T cells are essential for normal brain development. We here report studies on the relationship between circulating levels of T helper cells and structural and functional brain imaging in depressed bipolar patients. Since the CCL20-CCR6 axis is an important entry to the brain we differentiated the various T helper cell subpopulations on the basis of their chemokine receptor expression...
December 23, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28010133/designing-small-molecule-cxcr3-antagonists
#10
James E Pease
By virtue of its specificity for chemokines induced in Th1-associated pathologies, CXCR3 has attracted considerable attention as a target for therapeutic intervention. Several pharmacologically distinct small molecules with in vitro and in vivo potency have been described in the literature, although to date, none have shown efficacy in clinical trials. Areas covered: In this article, the author outlines the rationale for targeting CXCR3 and discusses the potential pitfalls in targeting receptors in poorly understood areas of chemokine biology...
December 30, 2016: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/28006781/allogeneic-compact-bone-derived-mesenchymal-stem-cell-transplantation-attenuates-the-severity-of-idiopathic-pneumonia-syndrome-in-a-murine-bone-marrow-transplantation-model
#11
Shu-Kai Qiao, Han-Yun Ren, Yong-Jin Shi, Wei Liu
BACKGROUND/AIMS: Idiopathic pneumonia syndrome (IPS) is a serious and life-threatening lung complication following allogeneic hematopoietic stem cell transplantation (allo-HSCT) and currently no effective therapies exist. This study was designed to determine whether transplantation of allogeneic murine compact bone derived- mesenchymal stem cells (CB-MSCs) could prevent the development of IPS. METHODS: We tested the effects of CB-MSCs transplantation on IPS using an established murine model of C57BL/6 (H-2b)→BALB/c (H-2d)...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27997610/effective-respiratory-cd8-t-cell-immunity-to-influenza-virus-induced-by-intranasal-carbomer-lecithin-adjuvanted-non-replicating-vaccines
#12
David J Gasper, Brandon Neldner, Erin H Plisch, Hani Rustom, Emily Carrow, Hirotaka Imai, Yoshihiro Kawaoka, M Suresh
CD8+ cytotoxic T lymphocytes (CTLs) are critical for clearing many viral infections, and protective CTL memory can be induced by vaccination with attenuated viruses and vectors. Non-replicating vaccines are typically potentiated by the addition of adjuvants that enhance humoral responses, however few are capable of generating CTL responses. Adjuplex is a carbomer-lecithin-based adjuvant demonstrated to elicit robust humoral immunity to non-replicating antigens. We report that mice immunized with non-replicating Adjuplex-adjuvanted vaccines generated robust antigen-specific CTL responses...
December 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27989714/ifny-and-ifny-treg-subsets-with-stable-and-unstable-foxp3-expression-in-kidney-transplant-recipients-with-good-long-term-graft-function
#13
Karina Trojan, Christian Unterrainer, Mostafa Aly, Li Zhu, Rolf Weimer, Nuray Bulut, Christian Morath, Gerhard Opelz, Volker Daniel
BACKGROUND: Treg are a heterogenous cell population. In the present study we attempted to identify Treg subsets that might contribute to stable and good long-term graft function. METHOD: Lymphocyte and Treg subsets were studied in 136 kidney transplant recipients with good long-term graft function and in 52 healthy control individuals using eight-color-fluorescence flow cytometry. Foxp3 TSDR methylation status was investigated in enriched IFNy+ and IFNy- Treg preparations using high resolution melt analysis...
October 29, 2016: Transplant Immunology
https://www.readbyqxmd.com/read/27987497/-significance-of-different-t-follicular-helper-subsets-in-rheumatoid-arthritis
#14
X M Chen, J Li, X Y Zhang, Y B Jin, D Yu, X L Sun, L J Wu, J He, Z G Li
OBJECTIVE: To detect the expressions of T follicular helper (Tfh) subsets and T follicular helper effect memory (Tfhem) cells in circulation of patients with rheumatoid arthritis (RA), as well as to examine their roles in providing biomarkers for active RA. METHODS: This study enrolled 41 patients with RA, who were navely-treated or had no application of hormone and disease-modifying anti-rheumatic drugs in recent 3 months, as well as 32 healthy controls. The percentages of Tfhem (CD4(+)CXCR5(+)CCR7(low)PD1(high)) cells, Tfh (CD3(+)CD4(+)CXCR5(+)CD45RA(-)) subsets, Tfh1 (CXCR3(+)CCR6(-)Tfh),Tfh2 (CXCR3(-)CCR6(-)Tfh),and Tfh17 (CXCR3(-)CCR6(+)Tfh), were determined by flow cytometry of peripheral blood from the patients with RA and health controls...
December 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/27966550/vaccination-for-mycobacterium-tuberculosis-infection-reprogramming-cd4-t-cell-homing-into-the-lung
#15
D L Barber
Development of effective tuberculosis vaccines is hampered by insufficient understanding of protective immunity. Here, Woodworth et al.(1) show secondary effector CD4 T cells generated after Mtb challenge of H56/CAF01 vaccinated mice display superior lung homing compared with primary effectors. Vaccination generates large populations of parenchymal lung effector cells by inducing CXCR3(+)KLRG1(-) cells that continuously migrate from lymph nodes to lung, and limiting the generation of non-protective CX3CR1(+)KLRG1(+) intravascular effectors, providing insight vaccine-mediated protection against tuberculosis...
December 14, 2016: Mucosal Immunology
https://www.readbyqxmd.com/read/27965774/cxc-chemokine-superfamily-induced-by-interferon-%C3%AE-in-asthma-a-cross-sectional-observational-study
#16
Yotaro Takaku, Tomoyuki Soma, Yoshitaka Uchida, Takehito Kobayashi, Kazuyuki Nakagome, Makoto Nagata
BACKGROUND: Asthma is a disease encompassing a variety of contributing factors. Phenotyping of asthma based on the profile of accumulated granulocytes in the airways has been performed to explore the mediators involved in allergic bronchial inflammation. The aim of this study was to clarify the characteristics of the CXC chemokine superfamily induced by IFN-γ, namely CXCR3 ligands, in the airways of patients with asthma stratified by the differential proportion of granulocytes in sputum...
2016: Asthma research and practice
https://www.readbyqxmd.com/read/27965307/dual-specific-chimeric-antigen-receptor-t-cells-and-an-indirect-vaccine-eradicate-a-variety-of-large-solid-tumors-in-an-immunocompetent-self-antigen-setting
#17
Clare Y Slaney, Bianca von Scheidt, Alexander J Davenport, Paul Beavis, Jennifer A Westwood, Sherly Mardiana, David Tscharke, Sarah Ellis, H Miles Prince, Joseph A Trapani, Ricky W Johnstone, Mark J Smyth, Michele W L Teng, Aesha Ali, Zhiya Yu, Steven A Rosenberg, Nicholas P Restifo, Paul J Neeson, Phillip K Darcy, Michael H Kershaw
PURPOSE: While adoptive transfer of T cells bearing a chimeric antigen receptor (CAR) can eliminate substantial burdens of some leukemias, the ultimate challenge remains the eradication of large solid tumors for most cancers. We aimed to develop an immunotherapy approach effective against large tumors in an immunocompetent, self-antigen preclinical mouse model. EXPERIMENTAL DESIGN: In this study, we generated dual-specific T cells expressing both a CAR specific for Her2 and a TCR specific for the melanocyte protein (gp100)...
December 13, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27964744/differential-gene-and-protein-expression-of-chemokines-and-cytokines-in-synovial-fluid-of-patients-with-arthritis
#18
Anastasiya Muntyanu, Fatima Abji, Kun Liang, Remy A Pollock, Vinod Chandran, Dafna D Gladman
BACKGROUND: Psoriatic arthritis (PsA), an inflammatory musculoskeletal disease, develops in approximately 30% of patients with psoriasis. Previously, chemokine (C-X-C motif) ligand 10 (CXCL10) was identified as a predictive biomarker of PsA in patients with psoriasis and was reduced after development of PsA. The purpose of the present study was to explore messenger RNA (mRNA) and protein expression of CXCL10 and its receptor, chemokine (C-X-C motif) receptor 3 (CXCR3), in the joints of patients with PsA to gain insight into their role in the pathogenesis of the disease...
December 13, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27960090/critical-role-of-the-cxcl10-c-x-c-chemokine-receptor-3-axis-in-promoting-leukocyte-recruitment-and-neuronal-injury-during-traumatic-optic-neuropathy-induced-by-optic-nerve-crush
#19
Yonju Ha, Hua Liu, Shuang Zhu, Panpan Yi, Wei Liu, Jared Nathanson, Rakez Kayed, Bradford Loucas, Jiaren Sun, Laura J Frishman, Massoud Motamedi, Wenbo Zhang
Traumatic optic neuropathy (TON) is an acute injury of the optic nerve secondary to trauma. Loss of retinal ganglion cells (RGCs) is a key pathological process in TON, yet mechanisms responsible for RGC death remain unclear. In a mouse model of TON, real-time noninvasive imaging revealed a dramatic increase in leukocyte rolling and adhesion in veins near the optic nerve (ON) head at 9 hours after ON injury. Although RGC dysfunction and loss were not detected at 24 hours after injury, massive leukocyte infiltration was observed in the superficial retina...
December 10, 2016: American Journal of Pathology
https://www.readbyqxmd.com/read/27959341/a-novel-pd-l1-targeting-antagonistic-dna-aptamer-with-antitumor-effects
#20
Wei-Yun Lai, Bo-Tsang Huang, Jen-Wei Wang, Pei-Ying Lin, Pan-Chyr Yang
The PD-1/PD-L1 axis is a major pathway involved in tumor immune evasion. Here, we report the novel PD-L1 antagonizing DNA aptamer (aptPD-L1) and demonstrate an integrated pipeline that expedites therapeutic aptamer development. Aptamer can exert antibody-mimic functions and is advantageous over antibody for its chemically synthetic nature, low immunogenicity, and efficient tissue penetration. Our results showed that aptPD-L1 blocked the binding between human PD-1 and PD-L1. Experiments using murine models showed that aptPD-L1 promoted in vitro lymphocyte proliferation and suppressed in vivo tumor growth without the induction of observable liver or renal toxicity...
December 13, 2016: Molecular Therapy. Nucleic Acids
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