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https://www.readbyqxmd.com/read/28421534/immune-alterations-in-cd8-t-cells-are-associated-with-neuronal-c-c-and-c-x-c-chemokine-receptor-regulation-through-adenosine-a2a-receptor-signaling-in-a-btbr-t-itpr3-tf-j-autistic-mouse-model
#1
Sheikh F Ahmad, Mushtaq A Ansari, Ahmed Nadeem, Saleh A Bakheet, Raish Mohammad, Sabry M Attia
Associative studies on a range of neurodevelopmental disorders have identified relationships between behavioral deficits and immune system function. The BTBR T(+) Itpr3(tf)/J (BTBR) mouse strain displays aberrant characteristics in its social behavior and immune responses, providing a significant opportunity to examine the relationship between behavior and the immune system. This study investigated the influence of adenosine A2A receptor activity on C-C and C-X-C chemokine receptors involved in autism in the BTBR mouse model...
April 18, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28387445/stimulation-of-oral-fibroblast-chemokine-receptors-identifies-ccr3-and-ccr4-as-potential-wound-healing-targets
#2
Jeroen Kees Buskermolen, Sanne Roffel, Susan Gibbs
The focus of this study was to determine which chemokine receptors are present on oral fibroblasts and whether these receptors influence proliferation, migration and/or the release of wound healing mediators. This information may provide insight into the superior wound healing characteristics of the oral mucosa. The gingiva fibroblasts expressed 12 different chemokine receptors (CCR3, CCR4, CCR6, CCR9, CCR10, CXCR1, CXCR2, CXCR4, CXCR5, CXCR7, CX3CR1 and XCR1), as analyzed by flow cytometry. Fourteen corresponding chemokines (CCL5, CCL15, CCL20, CCL22, CCL25, CCL27, CCL28, CXCL1, CXCL8, CXCL11, CXCL12, CXCL13, CX3CL1 and XCL1) were used to study the activation of these receptors on gingiva fibroblasts...
April 7, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28376500/suppression-of-retinal-neovascularization-by-anti-ccr3-treatment-in-an-oxygen-induced-retinopathy-model-in-mice
#3
Shuichiro Hirahara, Miho Nozaki, Masaharu Ohbayashi, Norio Hasegawa, Daisuke Ozone, Yuichiro Ogura
PURPOSE: To investigate the association between retinal neovascularization and the CC chemokine receptor-3 (CCR3) in a mouse model of oxygen-induced retinopathy (OIR). METHODS: An OIR model in C57BL/6J mice was used as a retinal neovascularization model. An enzyme-linked immunosorbent assay was performed to evaluate the chronological change in vascular endothelial growth factor A (VEGF-A) and eotaxin expressions. CCR3 and VEGF subtype expression in the retina was examined using real-time RT-PCR, and CCR3, eotaxin, VEGF-A, and CD31 expression was examined immunohistochemically...
April 5, 2017: Ophthalmic Research
https://www.readbyqxmd.com/read/28374494/immunogenetic-profiling-of-23-snps-of-cytokine-and-chemokine-receptor-genes-through-a-minisequencing-technique-design-development-and-validation
#4
J M Valverde-Villegas, R M de Medeiros, S E M Almeida, J A B Chies
The minisequencing technique offers accuracy and robustness to genotyping of polymorphic DNA variants, being an excellent option for the identification and analyses of prognostic/susceptibility markers in human diseases. Two multiplex minisequencing assays were designed and standardized to screen 23 candidate SNPs in cytokine, chemokine receptor and ligand genes previously associated with susceptibility to cancer and autoimmune disorders as well as to infectious diseases outcome. The SNPs were displayed in two separate panels (panel 1-IL2 rs2069762, TNFα rs1800629, rs361525; IL4 rs2243250; IL6 rs1800795; IL10 rs1800896, rs1800872; IL17A rs8193036, rs2275913 and panel 2-CCR3 rs309125, CCR4 rs6770096, rs2228428; CCR6 rs968334; CCR8 rs2853699; CXCR3 rs34334103, rs2280964;CXCR6 rs223435, rs2234358; CCL20 rs13034664, rs6749704; CCL22 rs4359426; CXCL10/IP-10 rs3921, rs56061981)...
April 4, 2017: International Journal of Immunogenetics
https://www.readbyqxmd.com/read/28362325/possible-roles-of-cc-and-cxc-chemokines-in-regulating-bovine-endometrial-function-during-early-pregnancy
#5
Ryosuke Sakumoto, Ken-Go Hayashi, Shiori Fujii, Hiroko Kanahara, Misa Hosoe, Tadashi Furusawa, Keiichiro Kizaki
The aim of the present study was to determine the possible roles of chemokines in regulating bovine endometrial function during early pregnancy. The expression of six chemokines, including CCL2, CCL8, CCL11, CCL14, CCL16, and CXCL10, was higher in the endometrium at 15 and 18 days of pregnancy than at the same days in non-pregnant animals. Immunohistochemical staining showed that chemokine receptors (CCR1, CCR2, CCR3, and CXCR3) were expressed in the epithelial cells and glandular epithelial cells of the bovine endometrium as well as in the fetal trophoblast obtained from a cow on day 18 of pregnancy...
March 31, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28358741/novel-genetic-associations-and-gene-gene-interactions-of-chemokine-receptor-and-chemokine-genetic-polymorphisms-in-hiv-aids
#6
Jacqueline M Valverde-Villegas, Rúbia Marília De Medeiros, Karine Pereira de Andrade, Vanessa Cristina Jacovas, Breno Riegel Dos Santos, Daniel Simon, Sabrina Esteves de Matos Almeida, José Artur Bogo Chies
OBJECTIVE: To investigate the influence of candidate polymorphisms on chemokine receptor/ligand genes on HIV infection and AIDS progression (HIV/AIDS). DESIGN: Fifteen polymorphisms of the CCR3, CCR4, CCR5, CCR6, CCR8, CXCR3, CXCR6, CCL20, CCL22 and CXCL10 genes were analysed in 206 HIV-positive subjects classified as rapid progressors (RPs; n = 40), or non-RPs (NRPs; n = 166) and in 294 HIV-seronegative subjects. METHODS: The polymorphisms were genotyped using minisequencing...
March 29, 2017: AIDS
https://www.readbyqxmd.com/read/28281330/basophil-activation-test-implementation-and-standardization-between-systems-and-between-instruments
#7
Anne-Emmanuelle Depince-Berger, Khaled Sidi-Yahya, Mohammed Jeraiby, Claude Lambert
The basophil activation test (BAT) is a good ex vivo alternative for measuring hypersensitivity to an allergen in sensitized patients but still lacks standardization. In this present study, we have implemented one of the systems and proposed inter-systems, inter-instrument standardization. Our method for basophil activation and labeling on whole blood: EDTA in one step using BasoflowEx(®) and FlowCast(®) . Setup on Navios and fluorescence targets converted to set up FACSCanto™ instrument. Our results: 1) A CD203c/CD63 (BasoflowEx) method was adapted for EDTA samples and simplified...
March 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28279120/ccl11-promotes-angiogenic-activity-by-activating-the-pi3k-akt-pathway-in-huvecs
#8
Jun Young Park, Yeo Wool Kang, Byung Young Choi, Young Chul Yang, Byung Pil Cho, Won Gil Cho
CCR3, the receptor for CCL11, is expressed on the surface of immune cells and even on non-immune cells. CCL11-CCR3 interactions can promote cell migration and proliferation. In this study, we investigated the effect of CCL11 on angiogenesis in HUVECs and also examined the molecular mechanisms of this process. We found that CCL11 induced mRNA transcription and protein expression of CCR3 in HUVECs. Moreover, the scratch wound healing assay and MTS proliferation assay both demonstrated that CCL11 promotes endothelial cell migration and induces weak proliferation...
March 9, 2017: Journal of Receptor and Signal Transduction Research
https://www.readbyqxmd.com/read/28258191/dimethyl-fumarate-selectively-reduces-memory-t-cells-and-shifts-the-balance-between-th1-th17-and-th2-in-multiple-sclerosis-patients
#9
Qi Wu, Qin Wang, Guangmei Mao, Catherine A Dowling, Steven K Lundy, Yang Mao-Draayer
Dimethyl fumarate (DMF; trade name Tecfidera) is an oral formulation of the fumaric acid ester that is Food and Drug Administration approved for treatment of relapsing-remitting multiple sclerosis. To better understand the therapeutic effects of Tecfidera and its rare side effect of progressive multifocal leukoencephalopathy, we conducted cross-sectional and longitudinal studies by immunophenotyping cells from peripheral blood (particularly T lymphocytes) derived from untreated and 4-6 and 18-26 mo Tecfidera-treated stable relapsing-remitting multiple sclerosis patients using multiparametric flow cytometry...
April 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28209525/stromal-vascular-fraction-shows-robust-wound-healing-through-high-chemotactic-and-epithelialization-property
#10
Dong-Sic Chae, Seongho Han, Mina Son, Sung-Whan Kim
BACKGROUND: Although human stromal vascular fraction (SVF) has been regarded as an attractive stem cell source, its therapeutic mechanism in wound healing has not been fully elucidated. AIMS: In this study, we investigated the molecular characteristics and therapeutic property of SVF for wound healing. METHODS: Microarray data showed that SVF cells are enriched with a higher level of wound healing or epithelium development-related genes and micro RNA...
February 13, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28209402/chemokine-receptor-patterns-and-right-heart-failure-in-mechanical-circulatory-support
#11
Aditi Nayak, Colin Neill, Robert L Kormos, Luigi Lagazzi, Indrani Halder, Charles McTiernan, Jennifer Larsen, Ana Inashvili, Jeffrey Teuteberg, Timothy N Bachman, Karen Hanley-Yanez, Dennis M McNamara, Marc A Simon
BACKGROUND: Right ventricular failure (RVF) complicates 9% to 44% of left ventricular assist device (LVAD) implants post-operatively. Current prediction scores perform only modestly in validation studies, and do not include immune markers. Chemokines are inflammatory signaling molecules with a fundamental role in cardiac physiology and stress adaptation. In this study we investigated chemokine receptor regulation in LVAD recipients who develop RVF. METHODS: Expression of chemokine receptor (CCR) genes 3 to 8 were examined in the peripheral blood of 111 LVAD patients, collected 24 hours before implant...
December 23, 2016: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28179442/t-helper-cell-type-2-th2-and-non-th2-molecular-phenotypes-of-asthma-using-sputum-transcriptomics-in-u-biopred
#12
Chih-Hsi Scott Kuo, Stelios Pavlidis, Matthew Loza, Fred Baribaud, Anthony Rowe, Iaonnis Pandis, Ana Sousa, Julie Corfield, Ratko Djukanovic, Rene Lutter, Peter J Sterk, Charles Auffray, Yike Guo, Ian M Adcock, Kian Fan Chung
Asthma is characterised by heterogeneous clinical phenotypes. Our objective was to determine molecular phenotypes of asthma by analysing sputum cell transcriptomics from 104 moderate-to-severe asthmatic subjects and 16 nonasthmatic subjects.After filtering on the differentially expressed genes between eosinophil- and noneosinophil-associated sputum inflammation, we used unbiased hierarchical clustering on 508 differentially expressed genes and gene set variation analysis of specific gene sets.We defined three transcriptome-associated clusters (TACs): TAC1 (characterised by immune receptors IL33R, CCR3 and TSLPR), TAC2 (characterised by interferon-, tumour necrosis factor-α- and inflammasome-associated genes) and TAC3 (characterised by genes of metabolic pathways, ubiquitination and mitochondrial function)...
February 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28173860/ccl11-promotes-migration-and-proliferation-of-mouse-neural-progenitor-cells
#13
Feifei Wang, Nobuyasu Baba, Yuan Shen, Tatsuyuki Yamashita, Emi Tsuru, Masayuki Tsuda, Nagamasa Maeda, Yusuke Sagara
BACKGROUND: Neonatal hypoxia-ischemia induces massive brain damage during the perinatal period, resulting in long-term consequences to central nervous system structural and functional maturation. Although neural progenitor cells (NPCs) migrate through the parenchyma and home in to injury sites in the rodent brain, the molecular mechanisms are unknown. We examined the role of chemokines in mediating NPC migration after neonatal hypoxic-ischemic brain injury. METHODS: Nine-day-old mice were exposed to a 120-minute hypoxia following unilateral carotid occlusion...
February 7, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28139852/eosinophil-transendothelial-migration-induced-by-the-bronchoalveolar-lavage-fluid-of-acute-eosinophilic-pneumonia
#14
Kazuyuki Nakagome, Hisakazu Shoda, Tetsu Shirai, Fuyumi Nishihara, Tomoyuki Soma, Yoshitaka Uchida, Yoshio Sakamoto, Makoto Nagata
BACKGROUND AND OBJECTIVE: Acute eosinophilic pneumonia (AEP) is characterized by a massive pulmonary infiltration of eosinophils. Mechanisms regulating the selective accumulation of eosinophils in AEP have not been fully established. The objective of this study was to evaluate the mechanisms of eosinophil accumulation in alveolar spaces through examination of bronchoalveolar lavage fluid (BALF) from AEP patients (AEP-BALF). METHODS: Eosinophils were isolated from the blood of healthy subjects and were placed on a human pulmonary microvascular endothelial cell monolayer cultured on Transwell filters (Coster, Cambridge, MA, USA)...
January 31, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28123492/effects-of-chemokine-receptor-3-gene-silencing-by-rna-interference-on-eosinophils
#15
Yuehui Liu, Xinhua Zhu, Hao Zhang
The present study aimed to use RNA interference (RNAi) to silence chemokine receptor 3 (CCR3) and observe the effects on eosinophils (EOS) in mice with allergic rhinitis (AR). CCR3 small interfering RNA (siRNA) lentiviral vectors were transduced into purified EOS cells cultured in vitro. Reverse transcription-polymerase chain reaction (RT-PCR) and western blot analyses were also used to detect the efficiency of silencing, and flow cytometry was used to detect the EOS apoptosis rates. Experimental mice were grouped for nasal administration, and the lentivirus was then dispensed to AR mice...
January 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28046055/role-of-interleukin-17a-on-the-chemotactic-responses-to-ccl7-in-a-murine-allergic-rhinitis-model
#16
Yu-Lian Zhang, Doo Hee Han, Dong-Young Kim, Chul Hee Lee, Chae-Seo Rhee
BACKGROUND: The proinflammatory cytokine interleukin (IL)-17A is associated with eosinophil infiltration into the nasal mucosa in a mouse model of ovalbumin-induced allergic rhinitis. Chemotaxis of eosinophils is mediated primarily through C-C chemokine receptor type 3 (CCR3). However, the mechanism underlying the IL-17A-mediated enhancement of eosinophil recruitment via chemoattractants/chemokines remains unknown. OBJECTIVES: In this study, we assessed the contribution of IL-17A to eosinophil-related inflammation via the CCL7/CCR3 pathway in experimental allergic rhinitis...
2017: PloS One
https://www.readbyqxmd.com/read/28042950/ccl24-contributes-to-hcc-malignancy-via-rhob-vegfa-vegfr2-angiogenesis-pathway-and-indicates-poor-prognosis
#17
Lei Jin, Wei-Ren Liu, Meng-Xin Tian, Xi-Fei Jiang, Han Wang, Pei-Yun Zhou, Zhen-Bin Ding, Yuan-Fei Peng, Zhi Dai, Shuang-Jian Qiu, Jian Zhou, Jia Fan, Ying-Hong Shi
CCL24 is one chemotactic factor extensively studied in airway inflammation and colorectal cancer but less studied in hepatocellular carcinoma (HCC) retrospectively. So HCC tissue microarray (TMA) was used to estimate relationship between CCL24 and prognosis, cell experiments were conducted to study its influence for HCC cell biological behavior. CCL24 was injected to nude mice to monitor tumor formation and pulmonary metastasis; qRT-PCR, western blot and Immunohistochemistry were used to explore potential mechanism...
December 22, 2016: Oncotarget
https://www.readbyqxmd.com/read/28035394/downregulation-of-mouse-ccr3-by-lentiviral-shrna-inhibits-proliferation-and-induces-apoptosis-of-mouse-eosinophils
#18
Xin-Hua Zhu, Bing Liao, Yi Xu, Ke Liu, Yun Huang, Quan-Long Huang, Yue-Hui Liu
RNA interference has been considered as an effective gene silencing method in basic and preclinical investigations. The aims of the present study were to construct a lentiviral vector expressing a short hairpin RNA (shRNA) targeting the murine CC chemokine receptor 3 (mCCR3), and to investigate its effects on the proliferation and apoptosis of mouse eosinophils. A recombinant lentiviral vector expressing four fragments of mouse CCR3 shRNA (pLVX‑mCCR3‑1+2+3+4‑shRNA) was constructed using subcloning techniques...
February 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27992791/catalpol-alleviates-ovalbumin-induced-asthma-in-mice-reduced-eosinophil-infiltration-in-the-lung
#19
Yanyan Chen, Yongzheng Zhang, Mingyuan Xu, Junqi Luan, Shengai Piao, Shuang Chi, Hai Wang
BACKGROUND: Radix Rehmanniae Preparata is a traditional Chinese herbal medicine used to treat asthma, and catalpol is one of the main active ingredients in this herb. In the present study, the effects of catalpol on asthma and the underlying mechanism were explored. METHODS: Mice with ovalbumin (OVA)-induced asthma were given 5 or 10mg/kg catalpol from Day 15 to Day 28 (intraperitoneal injection). Histopathologic changes were detected by Hematoxylin and Eosin staining and Periodic Acid Schiff staining...
February 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/27989103/detecting-positive-selection-of-korean-native-goat-populations-using-next-generation-sequencing
#20
Wonseok Lee, Sojin Ahn, Mengistie Taye, Samsun Sung, Hyun-Jeong Lee, Seoae Cho, Heebal Kim
Goats (Capra hircus) are one of the oldest species of domesticated animals. Native Korean goats are a particularly interesting group, as they are indigenous to the area and were raised in the Korean peninsula almost 2,000 years ago. Although they have a small body size and produce low volumes of milk and meat, they are quite resistant to lumbar paralysis. Our study aimed to reveal the distinct genetic features and patterns of selection in native Korean goats by comparing the genomes of native Korean goat and crossbred goat populations...
December 2016: Molecules and Cells
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