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Chemokine

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https://www.readbyqxmd.com/read/28651374/cd70-a-novel-target-of-car-t-cell-therapy-for-gliomas
#1
Linchun Jin, Haitao Ge, Yu Long, Changlin Yang, Yifan Emily Chang, Luyan Mu, Elias J Sayour, Gabriel De Leon, Qiong J Wang, James C Yang, Paul S Kubilis, Hongbo Bao, Songsong Xia, Dunyue Lu, Yingjun Kong, Li Hu, Yujiao Shang, Chencheng Jiang, Jing Nie, Shimin Li, Yunhe Gu, Jiahang Sun, Duane A Mitchell, Zhiguo Lin, Jianping Huang
Background: Cancer immunotherapy represents a promising treatment approach for malignant-gliomas, but is hampered by the limited number of ubiquitously expressed tumor antigens and the profoundly immunosuppressive tumor microenvironment. We identified CD70 as a novel immunosuppressive ligand and glioma target. Methods: Normal tissues derived from 52 different organs, and primary and recurrent low-grade gliomas (LGGs) and glioblastomas (GBMs) were thoroughly evaluated for CD70 gene and protein expression...
June 23, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28651121/cytomegalovirus-ul128-homolog-mutants-that-form-a-pentameric-complex-produce-virus-with-impaired-epithelial-and-trophoblast-cell-tropism-and-altered-pathogenicity-in-the-guinea-pig
#2
Stewart Coleman, K Yeon Choi, Alistair McGregor
Guinea pig cytomegalovirus (GPCMV) encodes a homolog pentameric complex (PC) for specific cell tropism and congenital infection. In human cytomegalovirus, the PC is an important antibody neutralizing target and GPCMV studies will aid in the development of intervention strategies. Deletion mutants of the C-terminal domains of unique PC proteins (UL128, UL130 and UL131 homologs) were unable to form a PC in separate transient expression assays. Minor modifications to the UL128 homolog (GP129) C-terminal domain enabled PC formation but viruses encoding these mutants had altered tropism to renal and placental trophoblast cells...
June 23, 2017: Virology
https://www.readbyqxmd.com/read/28651046/a-heparan-sulfate-microarray-reveals-that-heparan-sulfate-protein-binding-exhibit-different-ligand-requirements
#3
Chengli Zong, Andre Venot, Xiuru Li, Weigang Lu, Wenyuan Xiao, Josetti Lynn Wilkes, Catherina L Salanga, Tracy M Handel, Lianchun Wang, Margreet A Wolfert, Geert-Jan Boons
Heparan sulfates (HS) are linear sulfated polysaccharides that modulate a wide range of physiological and disease-processes. Variations in HS epimerization and sulfation provide enormous structural diversity, which is believed to underpin protein binding and regulatory properties. The ligand requirements of HS-binding proteins have, however, been defined in only a few cases. We describe here a synthetic methodology that can rapidly provide a library of well-defined HS oligosaccharides. It is based on the use of modular disaccharides to assemble several selectively protected tetrasaccharides that were subjected to selective chemical modifications such as regioselective O- and N-sulfation and selective de-sulfation...
June 26, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28650671/association-of-ccr2-190-g-a-gene-variants-and-ovarian-cancer-severity
#4
Gazi Yildirim, Rukset Attar, Seda Gulec-Yilmaz, Selvi Duman, Turgay Isbir
AIM: Chemokines and their receptors play an important role in tumor progression. In the current study, we aimed to determine the association between the CCR2 gene (+190 G/A) polymorphism and ovarian cancer severity. METHODS: CCR2 (+190 G/A) genotyping was performed using real-time polymerase chain reaction for DNA isolated from blood samples from a cohort of patients with ovarian cancer (n = 44) and a control group (n = 45). RESULTS: The CCR2 (+190 G/A) GG genotype frequencies for patients were significantly higher in the stage III-IV cancer group (p = 0...
June 26, 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/28650644/combination-of-plant-virus-nanoparticle-based-in-situ-vaccination-with-chemotherapy-potentiates-antitumor-response
#5
Karin L Lee, Abner A Murray, Duc H T Le, Mee Rie Sheen, Sourabh Shukla, Ulrich Commandeur, Steven Fiering, Nicole F Steinmetz
Immunotherapeutics are gaining more traction in the armamentarium used to combat cancer. Specifically, in situ vaccination strategies have gained interest because of their ability to alter the tumor microenvironment to an antitumor state. Herein, we investigate whether flexuous plant virus-based nanoparticles formed by the potato virus X (PVX) can be used as an immunotherapeutic for in situ vaccine monotherapy. We further developed dual chemo-immunotherapeutics by incorporating doxorubicin (DOX) into PVX yielding a dual-functional nanoparticle (PVX-DOX) or by coadministration of the two therapeutic regimes, PVX immunotherapy and DOX chemotherapy (PVX+DOX)...
June 26, 2017: Nano Letters
https://www.readbyqxmd.com/read/28650582/synergistic-modulation-of-inflammatory-but-not-metabolic-effects-of-high-fat-feeding-by-ccr2-and-cx3cr1
#6
Hanrui Zhang, Christine C Hinkle, Sean M O'Neill, Jianting Shi, Jennifer Caughey, Emma Lynch, Gina Lynch, Mark Gerelus, Andrew S D Tsai, Rachana Shah, Jane F Ferguson, Rexford S Ahima, Muredach P Reilly
OBJECTIVE: The purpose of the study was to explore the impact of dual targeting of C-C motif chemokine receptor-2 (CCR2) and fractalkine receptor (CX3CR1) on the metabolic and inflammatory consequences of obesity induced by a high-fat diet (HFD). METHODS: C57BL/6J wild-type, Cx3cr1(-/-) , Ccr2(-/-) , and Cx3cr1(-/-) Ccr2(-/-) double-knockout male and female mice were fed a 45% HFD for up to 25 weeks starting at 12 weeks of age. RESULTS: All groups gained weight at a similar rate and developed a similar degree of adiposity, hyperglycemia, glucose intolerance, and impairment of insulin sensitivity in response to HFD...
June 26, 2017: Obesity
https://www.readbyqxmd.com/read/28650342/inflammatory-ly6chi-monocytes-and-their-conversion-to-m2-macrophages-drive-atherosclerosis-regression
#7
Karishma Rahman, Yuliya Vengrenyuk, Stephen A Ramsey, Noemi Rotllan Vila, Natasha M Girgis, Jianhua Liu, Viktoria Gusarova, Jesper Gromada, Ada Weinstock, Kathryn J Moore, P'ng Loke, Edward A Fisher
Atherosclerosis is a chronic inflammatory disease, and developing therapies to promote its regression is an important clinical goal. We previously established that atherosclerosis regression is characterized by an overall decrease in plaque macrophages and enrichment in markers of alternatively activated M2 macrophages. We have now investigated the origin and functional requirement for M2 macrophages in regression in normolipidemic mice that received transplants of atherosclerotic aortic segments. We compared plaque regression in WT normolipidemic recipients and those deficient in chemokine receptors necessary to recruit inflammatory Ly6Chi (Ccr2-/- or Cx3cr1-/-) or patrolling Ly6Clo (Ccr5-/-) monocytes...
June 26, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28650338/ifn-%C3%AE-related-mrna-profile-predicts-clinical-response-to-pd-1-blockade
#8
Mark Ayers, Jared Lunceford, Michael Nebozhyn, Erin Murphy, Andrey Loboda, David R Kaufman, Andrew Albright, Jonathan D Cheng, S Peter Kang, Veena Shankaran, Sarina A Piha-Paul, Jennifer Yearley, Tanguy Y Seiwert, Antoni Ribas, Terrill K McClanahan
Programmed death-1-directed (PD-1-directed) immune checkpoint blockade results in durable antitumor activity in many advanced malignancies. Recent studies suggest that IFN-γ is a critical driver of programmed death ligand-1 (PD-L1) expression in cancer and host cells, and baseline intratumoral T cell infiltration may improve response likelihood to anti-PD-1 therapies, including pembrolizumab. However, whether quantifying T cell-inflamed microenvironment is a useful pan-tumor determinant of PD-1-directed therapy response has not been rigorously evaluated...
June 26, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28650254/proteomics-to-predict-the-response-to-tumour-necrosis-factor-%C3%AE-inhibitors-in-rheumatoid-arthritis-using-a-supervised-cluster-analysis-based-protein-score
#9
Bvj Cuppen, Rde Fritsch-Stork, I Eekhout, W de Jager, A C Marijnissen, Jwj Bijlsma, M Custers, J M van Laar, Fpjg Lafeber, Pmj Welsing
OBJECTIVE: In rheumatoid arthritis (RA), it is of major importance to identify non-responders to tumour necrosis factor-α inhibitors (TNFi) before starting treatment, to prevent a delay in effective treatment. We developed a protein score for the response to TNFi treatment in RA and investigated its predictive value. METHOD: In RA patients eligible for biological treatment included in the BiOCURA registry, 53 inflammatory proteins were measured using xMAP® technology...
June 26, 2017: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/28650114/the-effect-of-adhesives-on-inflammatory-immune-markers-during-renal-injury-healing
#10
José Miguel Lloris-Carsí, Carlos Barrios, Beatriz Prieto-Moure, José Miguel Lloris-Cejalvo, Dolores Cejalvo-Lapeña
Renal injury is common in abdominal trauma. Adhesives and sealants can be used to repair and preserve damaged organs. We describe the effect of three biomaterial treatments (TachoSil, GelitaSpon, and Adhflex) on injured renal tissue. Renal traumatic injuries were experimentally induced in male Wistar rats (n = 90) using a punch. Animals were divided into five groups: (1) sham noninjured (n = 3) and punch injury groups; (2) nontreated (n = 6); (3) TachoSil (n = 27); (4) GelitaSpon (n = 27); and (5) Adhflex (n = 27)...
June 26, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28649848/mogamulizumab-for-the-treatment-of-t-cell-lymphoma
#11
Shinichi Makita, Kensei Tobinai
T-cell lymphoma is a relatively rare hematologic malignancy that accounts for 10-20% of non-Hodgkin lymphomas. Treatment strategies for T-cell lymphomas are different from that for B-cell lymphomas and have poor prognoses. Among various subtypes of T-cell lymphomas, adult T-cell leukemia-lymphoma (ATL) has the worst prognosis. To achieve further improvement in the treatment outcome of T-cell lymphomas, several novel agents such as brentuximab vedotin, lenalidomide, romidepsin, and pralatrexate are actively being studied...
June 24, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28649804/fibroblast-derived-exosomes-promote-epithelial-cell-proliferation-through-tgf-%C3%AE-2-signaling-pathway-in-severe-asthma
#12
Ikhlass Haj-Salem, Sophie Plante, Abdelilah S Gounni, Mahmoud Rouabhia, Jamila Chakir
BACKGROUND: Bronchial fibroblasts play a key role in airway remodeling in asthma. They regulate epithelial cell functions such as proliferation through growth factors, cytokines, chemokines and exosomes. The role of exosomes in the communication between epithelial cells and fibroblasts by vehiculing these mediators in asthma remains to be determined. OBJECTIVE: To evaluate the role of exosomes released by bronchial fibroblasts on epithelial cell proliferation in severe asthma...
June 26, 2017: Allergy
https://www.readbyqxmd.com/read/28649646/human-brain-metastatic-stroma-attracts-breast-cancer-cells-via-chemokines-cxcl16-and-cxcl12
#13
Brile Chung, Ali A Esmaeili, Sailesh Gopalakrishna-Pillai, John P Murad, Emily S Andersen, Naveen Kumar Reddy, Gayathri Srinivasan, Brian Armstrong, Caleb Chu, Young Kim, Tommy Tong, James Waisman, John H Yim, Behnam Badie, Peter P Lee
The tumor microenvironment is composed of heterogeneous populations of cells, including cancer, immune, and stromal cells. Progression of tumor growth and initiation of metastasis is critically dependent on the reciprocal interactions between cancer cells and stroma. Through RNA-Seq and protein analyses, we found that cancer-associated fibroblasts derived from human breast cancer brain metastasis express significantly higher levels of chemokines CXCL12 and CXCL16 than fibroblasts from primary breast tumors or normal breast...
2017: NPJ Breast Cancer
https://www.readbyqxmd.com/read/28649578/anti-high-mobility-group-box-1-antibody-ameliorates-albuminuria-in-mrl-lpr-lupus-prone-mice
#14
Haruki Watanabe, Katsue S Watanabe, Keyue Liu, Sumie Hiramatsu, Sonia Zeggar, Eri Katsuyama, Noriko Tatebe, Akiya Akahoshi, Fumiaki Takenaka, Takahisa Hanada, Masaru Akehi, Takanori Sasaki, Ken-Ei Sada, Eiji Matsuura, Masahiro Nishibori, Jun Wada
We evaluated the efficacy of a neutralizing anti-high mobility group box 1 (HMGB1) monoclonal antibody in MRL/lpr lupus-prone mice. The anti-HMGB1 monoclonal antibody (5 mg/kg weight) or class-matched control immunoglobulin G2a (IgG2a) was administered intravenously twice a week for 4-15 weeks. Urine albumin was monitored, and histological evaluation of the kidneys was conducted at 16 weeks. Lymphadenopathies were evaluated by 1-(2'-deoxy-2'-[(18)F]fluoro-β-D-arabinofuranosyl)cytosine ([(18)F]FAC) positron emission tomography/computed tomography (PET/CT) at 12 weeks...
September 15, 2017: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/28649431/meta-analysis-of-host-response-networks-identifies-a-common-core-in-tuberculosis
#15
Awanti Sambarey, Abhinandan Devaprasad, Priyanka Baloni, Madhulika Mishra, Abhilash Mohan, Priyanka Tyagi, Amit Singh, J S Akshata, Razia Sultana, Shashidhar Buggi, Nagasuma Chandra
Tuberculosis remains a major global health challenge worldwide, causing more than a million deaths annually. To determine newer methods for detecting and combating the disease, it is necessary to characterise global host responses to infection. Several high throughput omics studies have provided a rich resource including a list of several genes differentially regulated in tuberculosis. An integrated analysis of these studies is necessary to identify a unified response to the infection. Such data integration is met with several challenges owing to platform dependency, patient heterogeneity, and variability in the extent of infection, resulting in little overlap among different datasets...
2017: NPJ Systems Biology and Applications
https://www.readbyqxmd.com/read/28648978/the-thymus-and-activation-regulated-chemokine-tarc-level-in-serum-at-an-early-stage-of-a-drug-eruption-is-a-prognostic-biomarker-of-severity-of-systemic-inflammation
#16
Takayoshi Komatsu-Fujii, Yuko Chinuki, Hiroyuki Niihara, Kenji Hayashida, Masataka Ohta, Ryota Okazaki, Sakae Kaneko, Eishin Morita
BACKGROUND: In severe drug eruptions, precise evaluation of disease severity at an early stage is needed to start appropriate treatment. It is not always easy to diagnose these conditions at their early stage. In addition, there are no reported prognostic biomarkers of disease severity in drug eruptions. The aim of this study was to test whether the thymus and activation-regulated chemokine (TARC) level in serum at an early stage of a drug eruption can serve as a prognostic biomarker of systemic inflammation...
June 22, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28648867/an-initial-investigation-into-endothelial-cc-chemokine-expression-in-the-human-rheumatoid-synovium
#17
Lisa Rump, Derek L Mattey, Oksana Kehoe, Jim Middleton
Rheumatoid arthritis (RA) is a destructive and chronic autoimmune inflammatory disease. Synovial inflammation is a major feature of RA and is associated with leukocyte recruitment. Leukocytes cross the endothelial cells (ECs) into the synovial tissue and fluid and this migration is mediated via a range of chemokines and adhesion molecules on the ECs. As important mediators of leukocyte extravasation, a number of chemokines from each of the chemokine families have been established as expressed in the RA joint...
June 22, 2017: Cytokine
https://www.readbyqxmd.com/read/28648091/mediators-go-together-high-production-of-cxcl9-cxcl10-ifn-%C3%AE-and-tnf-%C3%AE-in-ham-tsp
#18
Heytor Victor Pereira da Costa Neco, Vanessa Gabryelle da Silva Teixeira, Ana Carolina Lemos da Trindade, Paula Machado Ribeiro Magalhães, Virgínia Maria Barros de Lorena, Lúcio Roberto Cançado Castellano, Joelma Rodrigues de Souza, Luydson Richardson Vasconcelos, Patrícia Muniz Mendes Freire de Moura, Clarice Neuenschwander Lins de Morais
HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) is a chronic demyelinating and disabling syndrome caused by HTLV-1. Although the pathogenic mechanisms that lead to HAM/TSP outcome have not been elucidated, genetic and immunological factors may be involved in the myelopathy occurrence. The present study aimed to compare cytokines, chemokines and nitric oxide levels in asymptomatic and HAM/TSP HTLV-1 infected patients. The study group consisted of 21 HAM/TSP and 48 asymptomatic HTLV-1 patients...
June 24, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28647568/hepatocyte-derived-macrophage-migration-inhibitory-factor-mediates-alcohol-induced-liver-injury-in-mice-and-patients
#19
Veronica Marin, Kyle Poulsen, Gemma Odena, Megan R McMullen, Jose Altamirano, Pau Sancho-Bru, Claudio Tiribelli, Juan Caballeria, Natalia Rosso, Ramon Bataller, Laura E Nagy
BACKGROUND & AIMS: Macrophage migration inhibitory factor (MIF) is a multi-potent cytokine that contributes to the inflammatory response to injury. MIF is expressed by multiple cell types; however, the cellular source and actions of MIF in alcoholic liver disease (ALD) are not well known. Here we tested the hypothesis that non-myeloid cells, specifically hepatocytes, are an important cellular source of MIF in ALD. METHODS: MIF expression was measured in HuH7 and differentiated THP-1 cells in response to ethanol...
June 21, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28647348/pivotal-role-of-lesional-and-perilesional-t-b-lymphocytes-in-pemphigus-pathogenesis
#20
Huijie Yuan, Shengru Zhou, Zhicui Liu, Weiting Cong, Xiaochun Fei, Weihong Zeng, Haiqin Zhu, Renchao Xu, Ying Wang, Jie Zheng, Meng Pan
Pemphigus is a skin and mucosal membrane-targeting autoimmune bullous disease. Previous studies have demonstrated that circulating anti-desmoglein1/3 antibodies are pathogenic and mediate blister formation. However, the role of infiltrated immune cells in the lesional skin has not been fully investigated. In this study we showed that there existed a large number of B, T lymphocytes and plasma cells in the skin lesions by immunohistochemistry and immunofluorescence staining. In addition, a significantly increased number of Dsg1 and Dsg3-specific B cells could be identified by flow cytometric analysis or ELISPOT assay...
June 21, 2017: Journal of Investigative Dermatology
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