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https://www.readbyqxmd.com/read/29163498/cytokine-profiles-of-severe-influenza-virus-related-complications-in-children
#1
Andrew Fiore-Gartland, Angela Panoskaltsis-Mortari, Anna A Agan, Anushay J Mistry, Paul G Thomas, Michael A Matthay, Tomer Hertz, Adrienne G Randolph
Rationale: Effective immunomodulatory therapies for children with life-threatening "cytokine storm" triggered by acute influenza infection are lacking. Understanding the immune profiles of children progressing to severe lung injury and/or septic shock could provide insight into pathogenesis. Objectives: To compare the endotracheal and serum cytokine profiles of children with influenza-related critical illness and to identify their associations with severe influenza-associated complications...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29162878/comparative-analysis-of-cytokine-chemokine-regulatory-networks-in-patients-with-hippocampal-sclerosis-hs-and-focal-cortical-dysplasia-fcd
#2
Arpna Srivastava, Aparna Banerjee Dixit, Debasmita Paul, Manjari Tripathi, Chitra Sarkar, P Sarat Chandra, Jyotirmoy Banerjee
Experimental and clinical evidence have demonstrated aberrant expression of cytokines/chemokines and their receptors in patients with hippocampal sclerosis (HS) and focal cortical dysplasia (FCD). However, there is limited information regarding the modulation of cytokine/chemokine-regulatory networks, suggesting contribution of miRNAs and downstream transcription factors/receptors in these pathologies. Hence, we studied the levels of multiple inflammatory mediators (IL1β, IL1Ra, IL6, IL10, CCL3, CCL4, TNFα and VEGF) along with transcriptional changes of nine related miRNAs and mRNA levels of downstream effectors of significantly altered cytokines/chemokines in brain tissues obtained from patients with HS (n = 26) and FCD (n = 26)...
November 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29161525/sea-cucumber-lipid-soluble-extra-fraction-prevents-ovalbumin-induced-allergic-airway-inflammation
#3
Da-In Lee, Shin Ae Kang, Anisuzzaman Md, U-Cheol Jeong, Feng Jin, Seok-Joong Kang, Jeong-Yeol Lee, Hak Sun Yu
In a previous study, our research group demonstrated that sea cucumber (Apostichopus japonicus) extracts ameliorated allergic airway inflammation through CD4(+)CD25(+)Foxp3(+) T (regulatory T; Treg) cell activation and recruitment to the lung. In this study, we aimed to determine which components of sea cucumber contribute to the amelioration of airway inflammation. We used n-hexane fractionation to separate sea cucumber into three phases (n-hexane, alcohol, and solid) and evaluated the ability of each phase to elevate Il10 expression in splenocytes and ameliorate symptoms in mice with ovalbumin (OVA)/alum-induced asthma...
November 21, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29155126/treatment-strategy-by-lactoperoxidase-and-lactoferrin-combination-immunomodulatory-and-antibacterial-activity-against-multidrug-resistant-acinetobacter-baumannii
#4
Likaa Mahdi, Nada Mahdi, Sana'a Al-Kakei, Hadeel Musafer, Ikbal Al-Joofy, Rajwa Essa, Luma Zwain, Istabreq Salman, Haifa Mater, Shaymaa Al-Alak, Rasha Al-Oqaili
Lactoperoxidase (Lpo) and Lactoferrin (Lf) were extracted from camel colostrum milk and purified. The antibacterial activity of the two purified proteins was estimated against 14 isolates of multidrug resistance Acinetobacter baumannii. A combination of Lpo and Lf exhibited bactericidal action against A. baumannii in vitro. A mouse model of acute A. baumannii pneumonia was improved. The injection of combined Lpo and Lf after infection leads to significant clearance of A. baumannii rates in lung as well as blood culture P < 0...
November 15, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29151895/toll-like-receptor-4-differentially-mediates-intestinal-and-extra-intestinal-immune-responses-upon-multi-drug-resistant-pseudomonas-aeruginosa-association-of-il10-mice-with-chronic-colitis
#5
Anne Grunau, Ulrike Escher, Anja A Kühl, Stefan Bereswill, Markus M Heimesaat
Background: Infections with multi-drug resistant (MDR) Gram-negative bacteria including Pseudomonas aeruginosa (PA) have become a serious threat particularly in hospitalized patients with immunopathological co-morbidities. The well-balanced interplay between immune cells, pattern recognition receptors such as Toll-like receptor (TLR)-4 sensing lipopolysaccharide from Gram-negative bacteria including PA, and evolving pathways is crucial to prevent the host from invading (opportunistic) pathogens...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/29150604/transcriptional-signature-of-human-pro-inflammatory-th17-cells-identifies-reduced-il10-gene-expression-in-multiple-sclerosis
#6
Dan Hu, Samuele Notarbartolo, Tom Croonenborghs, Bonny Patel, Ron Cialic, Tun-Hsiang Yang, Dominik Aschenbrenner, Karin M Andersson, Marco Gattorno, Minh Pham, Pia Kivisakk, Isabelle V Pierre, Youjin Lee, Karun Kiani, Maria Bokarewa, Emily Tjon, Nathalie Pochet, Federica Sallusto, Vijay K Kuchroo, Howard L Weiner
We have previously reported the molecular signature of murine pathogenic TH17 cells that induce experimental autoimmune encephalomyelitis (EAE) in animals. Here we show that human peripheral blood IFN-γ(+)IL-17(+) (TH1/17) and IFN-γ(-)IL-17(+) (TH17) CD4(+) T cells display distinct transcriptional profiles in high-throughput transcription analyses. Compared to TH17 cells, TH1/17 cells have gene signatures with marked similarity to mouse pathogenic TH17 cells. Assessing 15 representative signature genes in patients with multiple sclerosis, we find that TH1/17 cells have elevated expression of CXCR3 and reduced expression of IFNG, CCL3, CLL4, GZMB, and IL10 compared to healthy controls...
November 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/29148541/integrated-genomic-analysis-identifies-deregulated-jak-stat-myc-biosynthesis-axis-in-aggressive-nk-cell-leukemia
#7
Liang Huang, Dan Liu, Na Wang, Shaoping Ling, Yuting Tang, Jun Wu, Lingtong Hao, Hui Luo, Xuelian Hu, Lingshuang Sheng, Lijun Zhu, Di Wang, Yi Luo, Zhen Shang, Min Xiao, Xia Mao, Kuangguo Zhou, Lihua Cao, Lili Dong, Xinchang Zheng, Pinpin Sui, Jianlin He, Shanlan Mo, Jin Yan, Qilin Ao, Lugui Qiu, Hongsheng Zhou, Qifa Liu, Hongyu Zhang, Jianyong Li, Jie Jin, Li Fu, Weili Zhao, Jieping Chen, Xin Du, Guoliang Qing, Hudan Liu, Xin Liu, Gang Huang, Ding Ma, Jianfeng Zhou, Qian-Fei Wang
Aggressive NK-cell leukemia (ANKL) is a rare form of NK cell neoplasm that is more prevalent among people from Asia and Central and South America. Patients usually die within days to months, even after receiving prompt therapeutic management. Here we performed the first comprehensive study of ANKL by integrating whole genome, transcriptome and targeted sequencing, cytokine array as well as functional assays. Mutations in the JAK-STAT pathway were identified in 48% (14/29) of ANKL patients, while the extracellular STAT3 stimulator IL10 was elevated by an average of 56-fold (P < 0...
November 17, 2017: Cell Research
https://www.readbyqxmd.com/read/29136357/association-of-cytokine-gene-polymorphisms-with-bronchopulmonary-dysplasia-in-han-chinese-newborns
#8
Hui Chen, Wei Zheng
OBJECTIVE: To investigate the association of 14 cytokine gene polymorphisms with bronchopulmonary dysplasia (BPD) among Han Chinese newborns. The 14 polymorphisms investigated were IL18 rs1946519, rs1946518, rs187238, rs360718, and rs360717 polymorphisms, IL10 rs3024493 polymorphism, IL6 rs1800795, rs1800796, and rs1800797 polymorphisms, TNF rs361525 and rs1800629 polymorphisms, and TGFB1 rs1800469, rs1800468, and rs1800471 polymorphisms. WORKING HYPOTHESIS: The polymorphisms could be associated with the risk of BPD among Han Chinese newborns...
November 14, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29133029/host-genetics-and-dengue-fever
#9
REVIEW
Caroline Xavier-Carvalho, Cynthia Chester Cardoso, Fernanda de Souza Kehdy, Antonio Guilherme Pacheco, Milton Ozório Moraes
Dengue is a major worldwide problem in tropical and subtropical areas; it is caused by four different viral serotypes, and it can manifest as asymptomatic, mild, or severe. Many factors interact to determine the severity of the disease, including the genetic profile of the infected patient. However, the mechanisms that lead to severe disease and eventually death have not been determined, and a great challenge is the early identification of patients who are more likely to progress to a worse health condition...
November 10, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29132376/ezh2-suppression-in-glioblastoma-shifts-microglia-toward-m1-phenotype-in-tumor-microenvironment
#10
Yatao Yin, Shuwei Qiu, Xiangpen Li, Bo Huang, Yun Xu, Ying Peng
BACKGROUND: Glioblastoma multiforme (GBM) induces tumor immunosuppression through interacting with tumor-infiltrating microglia or macrophages (TAMs) with an unclear pathogenesis. Enhancer of zeste homolog 2 (EZH2) is abundant in GBM samples and cell lines and is involved in GBM proliferation, cell cycle, and invasion, whereas its association with innate immune response is not yet reported. Herein, the aim of this study was to investigate the role of EZH2 in GBM immune. METHODS: Co-culturing models of human/murine GBM cells with PBMC-derived macrophages/primary microglia were employed...
November 13, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29131459/differential-contribution-of-interleukin-10-promoter-variants-in-malaria-and-schistosomiasis-mono-and-co-infections-among-nigerian-children
#11
Ayodele Adedoja, Nghiem Xuan Hoan, Hoang van Tong, Selorme Adukpo, Deborah B Tijani, Ajibola A Akanbi, Christian G Meyer, Olusola Ojurongbe, Thirumalaisamy P Velavan
OBJECTIVE: Interleukin-10 (IL-10) is an anti-inflammatory cytokine produced by Th1 cells and macrophages. The rationale of this study was to examine and validate possible contributions of IL-10 promoter polymorphisms in sub-Saharan Africa in children infected with either Plasmodium falciparum or Schistosoma haematobium and in children co-infected with both parasites. MATERIALS AND METHODS: 309 Nigerian children aged 4 to 15 years were recruited. The study group consisted of individuals infected either with P...
November 13, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/29129327/quercetin-protects-jejunal-mucosa-from-experimental-intestinal-ischemia-reperfusion-injury-by-activation-of-cd68-positive-cells
#12
Kristina Curgali, Stefan Toth, Zuzana Jonecova, Milan Maretta, Theodoros Kalpakidis, Ivana Petriskova, Matus Kusnier, Jan Soltes, Martin Svana, Martin Caprnda, Delian Delev, Luis Rodrigo, Eva Mechirova, Peter Kruzliak
The aim of our study was to analyse the possible protective effect of quercetin application during the jejunal ischemia-reperfusion injury (IRI) in rats. Quercetin was administered intraperitoneally 30min before 1h ischemia of superior mesenteric artery with following 24h lasting reperfusion period. The male specific pathogen-free (SPF) Charles River Wistar rats were used. In the group with applied quercetin, the significantly increased (p<0.001) levels of anti-inflammatory cytokine IL10 were observed both in the blood serum and jejunal tissue...
November 9, 2017: Acta Histochemica
https://www.readbyqxmd.com/read/29128554/immunomodulatory-effects-of-tyrosine-kinase-inhibitors-tkis-in-vitro-and-in-vivo-study
#13
Elena Marinelli Busilacchi, Andrea Costantini, Nadia Viola, Benedetta Costantini, Jacopo Olivieri, Luca Butini, Giorgia Mancini, Ilaria Scortechini, Martina Chiarucci, Monica Poiani, Antonella Poloni, Pietro Leoni, Attilio Olivieri
Pathogenesis of chronic Graft Versus Host Disease (cGVHD) is incompletely defined, involving donor-derived CD4 and CD8-positive T lymphocytes, as well as B cells. Standard treatment is lacking for steroid dependent/refractory cases; potential usefulness of tyrosine kinase inhibitors (TKIs) has been suggested, based on their potent anti-fibrotic effect. However, TKI seems to have pleiotropic activity. We sought to evaluate the in vitro and in vivo impact of different TKIs on lymphocyte phenotype and function...
November 8, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29123530/human-cardiac-derived-stem-progenitor-cells-fine-tune-monocyte-derived-descendants-activities-toward-cardiac-repair
#14
Noémie Dam, Hocine Rachid Hocine, Itziar Palacios, Olga DelaRosa, Ramón Menta, Dominique Charron, Armand Bensussan, Hicham El Costa, Nabila Jabrane-Ferrat, Wilfried Dalemans, Eleuterio Lombardo, Reem Al-Daccak
Cardiac repair following MI relies on a finely regulated immune response involving sequential recruitment of monocytes to the injured tissue. Monocyte-derived cells are also critical for tissue homeostasis and healing process. Our previous findings demonstrated the interaction of T and natural killer cells with allogeneic human cardiac-derived stem/progenitor cells (hCPC) and suggested their beneficial effect in the context of cardiac repair. Therefore, we investigated here whether monocytes and their descendants could be also modulated by allogeneic hCPC toward a repair/anti-inflammatory phenotype...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29122311/-uveitis-diagnostic-work-up-recommendations-from-an-expert-committee
#15
P Sève, B Bodaghi, S Trad, J Sellam, D Bellocq, P Bielefeld, D Sène, G Kaplanski, D Monnet, A Brézin, M Weber, D Saadoun, P Cacoub, C Chiquet, L Kodjikian
INTRODUCTION: Diagnostic work-up of uveitis involves many uncertainties. Search for an etiology should take into account the epidemiology of uveitis and focus on the most severe diseases or those, which can be treated. This work was undertaken to establish recommendations for the diagnosis work-up of uveitis. METHODS: Recommendations were developed by a multidisciplinary panel of 15 experts, including internists, ophthalmologists and a rheumatologist and are based on a review of the literature with regard to effectiveness of investigations and the results of the ULISSE study, which is the first prospective study assessing the efficiency of a standardized strategy for the etiological diagnosis of uveitis...
November 6, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/29113972/localized-synchrotron-irradiation-of-mouse-skin-induces-persistent-systemic-genotoxic-and-immune-responses
#16
Jessica Ventura, Pavel N Lobachevsky, Jason S Palazzolo, Helen Forrester, Nicole M Haynes, Alesia Ivashkevich, Andrew W Stevenson, Christopher J Hall, Andreas Ntargaras, Vasilis Kotsaris, Gerasimos Ch Pollakis, Gianna Potsi, Konstantinos Skordylis, Georgia Terzoudi, Ioannis S Pateras, Vassilis G Gorgoulis, Alexandros G Georgakilas, Carl N Sprung, Olga A Martin
The importance of nontargeted (systemic) effects of ionizing radiation is attracting increasing attention. Exploiting synchrotron radiation generated by the Imaging and Medical Beamline at the Australian Synchrotron, we studied radiation-induced nontargeted effects in C57BL/6 mice. Mice were locally irradiated with a synchrotron X-ray broad beam and a multiplanar microbeam radiotherapy beam. To assess the influence of the beam configurations and variations in peak dose and irradiated area in the response of normal tissues outside the irradiated field at 1 and 4 days after irradiation, we monitored oxidatively induced clustered DNA lesions (OCDL), DNA double-strand breaks (DSB), apoptosis, and the local and systemic immune responses...
November 7, 2017: Cancer Research
https://www.readbyqxmd.com/read/29112724/severe-influenza-is-characterized-by-prolonged-immune-activation-results-from-the-shivers-cohort-study
#17
Sook-San Wong, Christine M Oshansky, Xi-Zhi J Guo, Jacqui Ralston, Timothy Wood, Gary Reynolds, Ruth Seeds, Claire Newbern, Ben Waite, Marc-Alain Widdowson, Q Sue Huang, Richard J Webby, Paul G Thomas
Background: The immunologic factors underlying severe influenza are poorly understood. To address this, we compared the immune responses of influenza-confirmed hospitalized individuals with severe acute respiratory illness (SARI) to those of non-hospitalized individuals with influenza-like illness (ILI). Methods: Peripheral blood lymphocytes were collected from ILI (N=27) and SARI-patients (N=27) at time of enrollment and then two weeks later. Innate and adaptive cellular immune responses were assessed by flow-cytometry and serum cytokines were assessed by bead-based assay...
November 3, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29109718/siga-tgf-%C3%AE-1-il-10-and-tnf%C3%AE-in-colostrum-are-associated-with-infant-group-b-streptococcus-colonization
#18
Kirsty Le Doare, Katie Bellis, Amadou Faal, Jessica Birt, Daniel Munblit, Holly Humphries, Stephen Taylor, Fiona Warburton, Paul T Heath, Beate Kampmann, Andrew Gorringe
Background: Group B Streptococcus (GBS) is a major cause of mortality and morbidity in infants and is associated with transmission from a colonized mother at birth and via infected breastmilk. Although maternal/infant colonization with GBS is common, the majority of infants exposed to GBS remain unaffected. The association between breastmilk immune factors and infant colonization and disease prevention has not been elucidated. Objectives: We have investigated the association between SIgA and cytokines in breastmilk and infant GBS colonization and clearance...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29098351/the-roles-of-genetic-factors-in-kawasaki-disease-a-systematic-review-and-meta-analysis-of-genetic-association-studies
#19
REVIEW
Xiaochuan Xie, Xiaohan Shi, Meilin Liu
This systematic review and meta-analysis aimed to better elucidate the roles of genetic factors in Kawasaki disease (KD), and determine the potential genetic biomarkers of KD. The systematic literature search of PubMed, Medline, Embase, Web of Science and CNKI identified 164 eligible studies. The qualitative synthesis revealed that 62 genes may be correlated with the susceptibility to KD, and 47 genes may be associated with the incidence of coronary artery lesions (CALs) in KD. A total of 53 polymorphisms in 34 genes were investigated in further quantitative synthesis...
November 2, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/29097996/the-development-of-plasmodium-falciparum-specific-il10-cd4-t-cells-and-protection-from-malaria-in-children-in-an-area-of-high-malaria-transmission
#20
Michelle J Boyle, Prasanna Jagannathan, Katherine Bowen, Tara I McIntyre, Hilary M Vance, Lila A Farrington, Alanna Schwartz, Felistas Nankya, Kate Naluwu, Samuel Wamala, Esther Sikyomu, John Rek, Bryan Greenhouse, Emmanuel Arinaitwe, Grant Dorsey, Moses R Kamya, Margaret E Feeney
Cytokine-producing CD4 T cells have important roles in immunity against Plasmodium falciparum (Pf) malaria. However, the factors influencing functional differentiation of Pf-specific CD4 T cells in naturally exposed children are not well understood. Moreover, it is not known which CD4 T-cell cytokine-producing subsets are most critical for protection. We measured Pf-specific IFNγ-, IL10-, and TNFα-producing CD4 T-cell responses by multi-parametric flow cytometry in 265 children aged 6 months to 10 years enrolled in a longitudinal observational cohort in a high malaria transmission site in Uganda...
2017: Frontiers in Immunology
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