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https://www.readbyqxmd.com/read/28802664/cytokines-and-soluble-hla-g-levels-in-bone-marrow-stroma-and-their-association-with-the-survival-rate-of-patients-exhibiting-childhood-t-cell-acute-lymphoblastic-leukemia
#1
Renata Dos Santos Almeida, Alessandra Maria de Luna Ramos, Carlos Feitosa Luna, Francisco Pedrosa, Eduardo Antônio Donadi, Norma Lucena-Silva
Leukemic cells can induce defective expression of soluble factors and change marrow cytokine profile, leading to aberrant cell signaling, cell fixation and cell proliferation in bone marrow. T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive disorder which accounts for 15% of pediatric ALL. To evaluate the contribution of immunological factors on T-ALL survival, we measured Th1, Th2, Th17 cytokines and soluble HLA-G (sHLA-G) levels in bone marrow from 32 Brazilian children at diagnosis (D0), after induction (D19) and after consolidation (D49) of the chemotherapy phase...
August 9, 2017: Cytokine
https://www.readbyqxmd.com/read/28789852/recombinant-calponin-of-human-filariid-brugia-malayi-secondary-structure-and-immunoprophylactic-potential
#2
Shiv K Verma, Ashish Arora, P Kalpana Murthy
In the search for potential vaccine candidates for the control of human lymphatic filariasis, we recently identified calponin-like protein, that regulates actin/myosin interactions, in a proinflammatory fraction F8 (45.24-48.64kDa) of Brugia malayi adult worms. In the present study, the gene was cloned, expressed, and the recombinant Calponin of B. malayi (r-ClpBm) was prepared and characterized. r-ClpBm bears homology with OV9M of Onchocerca volvulus, a non-lymphatic filariid that causes loss of vision and cutaneous pathology...
August 5, 2017: Vaccine
https://www.readbyqxmd.com/read/28783679/a-tslp-complement-axis-mediates-neutrophil-killing-of-methicillin-resistant-staphylococcus-aureus
#3
Erin E West, Rosanne Spolski, Majid Kazemian, Zu Xi Yu, Claudia Kemper, Warren J Leonard
Community-acquired Staphylococcus aureus infections often present as serious skin infections in otherwise healthy individuals and have become a worldwide epidemic problem fueled by the emergence of strains with antibiotic resistance, such as methicillin-resistant S. aureus (MRSA). The cytokine thymic stromal lymphopoietin (TSLP) is highly expressed in the skin and in other barrier surfaces and plays a deleterious role by promoting T helper cell type 2 (TH2) responses during allergic diseases; however, its role in host defense against bacterial infections has not been well elucidated...
November 18, 2016: Science Immunology
https://www.readbyqxmd.com/read/28770200/prostaglandins-and-their-receptors-in-eosinophil-function-and-as-therapeutic-targets
#4
REVIEW
Miriam Peinhaupt, Eva M Sturm, Akos Heinemann
Of the known prostanoid receptors, human eosinophils express the prostaglandin D2 (PGD2) receptors DP1 [also D-type prostanoid (DP)] and DP2 (also chemoattractant receptor homologous molecule, expressed on Th2 cells), the prostaglandin E2 receptors EP2 and EP4, and the prostacyclin (PGI2) receptor IP. Prostanoids can bind to either one or multiple receptors, characteristically have a short half-life in vivo, and are quickly degraded into metabolites with altered affinity and specificity for a given receptor subtype...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28767393/immunological-cytokine-profiling-identifies-tnf-%C3%AE-as-a-key-molecule-dysregulated-in-autistic-children
#5
Jiang Xie, Li Huang, Xiaohong Li, Hua Li, Yongmei Zhou, Hua Zhu, Tianying Pan, Keith M Kendrick, Wenming Xu
Recent studies have suggested that the etiology of Autism Spectrum Disorder (ASD) may be caused by immunological factors, particularly abnormalities in the innate immune system. However, it is still unclear which specific cytokines may be of most importance. The current study therefore investigated which cytokines showed altered concentrations in blood in ASD compared with healthy control children and which were also correlated with symptom severity. Our study sample included 32 children diagnosed with ASD and 28 age and sex-matched typically developing children...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28765956/anti-cd20-monoclonal-antibody-combined-with-adenovirus-vector-mediated-il-10-regulates-spleen-cd4-cd8-t%C3%A2-cells-and-t-bet-gata-3-expression-in-nod-mice
#6
Aiping Tang, Cheng Li, Zhihong Chen, Tang Li
Type 1 diabetes (T1D) is an autoimmune disease characterized by a selective destruction of insulin-secreting β-cells. Both T cells and B cells serve a crucial role in pathogenesis and development of T1D. CD20 is a specific membrane antigen of B lymphocytes, while interleukin (IL)‑10 is an important cytokine secreted by T helper 2 cells and has a short half‑life in vivo. The combined effect of anti‑CD20 and IL‑10 on immune function of mice with T1D remains unknown. In the present study, 30 non‑obese diabetic (NOD) mice were treated with anti‑CD20 and adenoviral vector‑mediated interleukin‑10 (Ad‑mIL‑10) therapy...
July 28, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28762530/high-proportion-of-pd-1-expressing-cd4-t-cells-in-adipose-tissue-constitutes-an-immunomodulatory-microenvironment-that-may-support-hiv-persistence
#7
Abderaouf Damouche, Guillaume Pourcher, Valérie Pourcher, Stéphane Benoist, Elodie Busson, Jean Jacques Lataillade, Mélanie Le Van, Thierry Lazure, Julien Adam, Benoit Favier, Bruno Vaslin, Michaela Müller-Trutwin, Olivier Lambotte, Christine Bourgeois
We and others have demonstrated that adipose tissue is a reservoir for HIV. Evaluation of the mechanisms responsible for viral persistence may lead to ways of reducing these reservoirs. Here, we evaluated the immune characteristics of adipose tissue in HIV-infected patients receiving antiretroviral therapy (ART) and in non-HIV-infected patients. We notably sought to determine whether adipose tissue's intrinsic properties and/or HIV induced alteration of the tissue environment may favour viral persistence. ART-controlled HIV infection was associated with a difference in the CD4/CD8 T-cell ratio and an elevated proportion of Treg cells in subcutaneous adipose tissue...
August 1, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28757362/dynamized-ethyl-alcohol-improves-immune-response-and-behavior-in-murine-infection-with-trypanosoma-cruzi
#8
Patrícia F Sandri, Angela R Portocarrero, Larissa Ciupa, Fabiana N Ferraz, Gislaine J Falkowski-Temporini, Willian N S Rodrigues, Érika C Ferreira, Denise L Aleixo, Silvana Marques de Araújo
AIM: To evaluate the effects of dynamized ethyl alcohol (Ethylicum)6cH and 30cH in mice infected with T. cruzi. METHODS: In a blind, randomized and controlled assay, 63 eight-week-old, Swiss, male mice, infected with IP (1400 trypomastigotes, T. cruzi-Y-strain), were allocated into groups: CNI-non-infected (n=12), CI-infected and non-treated (n=17), Et6cH-infected, treated with Ethylicum 6cH (dilution 1:10(12)) (n=17), Et30cH-infected, treated with Ethylicum 30cH (dilution 1:10(60)) (n=17)...
July 27, 2017: Cytokine
https://www.readbyqxmd.com/read/28756630/dna-methylation-of-th2-lineage-determination-genes-at-birth-is-associated-with-allergic-outcomes-in-childhood
#9
Sheila Barton, Sherry Ngo, Paula Costello, Emma Garratt, Sarah El-Heis, Elie Antoun, Rebecca Clarke-Harris, Robert Murray, Tejal Bhatt, Graham Burdge, Cyrus Cooper, Hazel Inskip, Eline M van der Beek, Allan Sheppard, Keith M Godfrey, Karen A Lillycrop
BACKGROUND: There is now increasing evidence that asthma and atopy originate in part in utero, with disease risk being associated with the altered epigenetic regulation of genes. OBJECTIVE AND METHODS: To determine the relationship between variations in DNA methylation at birth and the development of allergic disease, we examined the methylation status of CpG loci within the promoter regions of Th1/2 lineage commitment genes (GATA3, IL-4, IL-4R, STAT4 and TBET) in umbilical cord DNA at birth in a cohort of infants from the Southampton Women's Survey (n=696) who were later assessed for asthma, atopic eczema and atopy...
July 30, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28752563/differential-intestinal-anti-inflammatory-effects-of-lactobacillus-fermentum-and-lactobacillus-salivarius-in-dss-mouse-colitis-impact-on-micrornas-expression-and-microbiota-composition
#10
Alba Rodríguez-Nogales, Francesca Algieri, Jose Garrido-Mesa, Teresa Vezza, M Pilar Utrilla, Natalia Chueca, Federico Garcia, Mónica Olivares, M Elena Rodríguez-Cabezas, Julio Gálvez
SCOPE: To compare the intestinal anti-inflammatory effects of two probiotics Lactobacillus fermentum and Lactobacillus salivarius in mouse colitis, focusing on their impact on selected miRNAs and microbiota composition. METHODS AND RESULTS: Male C57BL/6J mice were randomly assigned to four groups (n = 10): non-colitic, DSS colitic and two colitic groups treated with probiotics (5 × 10(8) CFU/mouse/day). Both probiotics ameliorated macroscopic colonic damage. They improved the colonic expression of markers involved in the immune response, and the expression of miR-155 and miR-223...
July 28, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28737932/ins-and-outs-in-environmental-and-occupational-safety-studies-of-asthma-and-engineered-nanomaterials
#11
Marina A Dobrovolskaia, Michael R Shurin, Valerian E Kagan, Anna A Shvedova
According to the Centers for Disease Control and Prevention, approximately 25 million Americans suffer from asthma. The disease total annual cost is about $56 billion and includes both the direct and indirect costs of medications, hospital stays, missed work, and decreased productivity. Air pollution with xenobiotics, bacterial agents, and industrial nanomaterials, such as carbon nanotubes, contribute to the exacerbation of this condition and are a point of particular attention in environmental toxicology as well as in occupational health and safety research...
July 24, 2017: ACS Nano
https://www.readbyqxmd.com/read/28724768/synthetic-tlr4-and-tlr7-ligands-work-additively-via-myd88-to-induce-protective-antiviral-immunity-in-mice
#12
Peter H Goff, Tomoko Hayashi, Wenqian He, Shiyin Yao, Howard B Cottam, Gene S Tan, Brian Crain, Florian Krammer, Karen Messer, Minya Pu, Dennis A Carson, Peter Palese, Maripat Corr
We have previously demonstrated that the combination of synthetic small molecule Toll-like receptor 4 (TLR4) and TLR7 ligands is a potent adjuvant for recombinant influenza virus hemagglutinin, inducing rapid and sustained immunity protective against influenza viruses in homologous, heterologous and heterosubtypic murine challenge models. Combining TLR4 and TLR7 ligands balances Th1/Th2-type immune responses for long-lived cellular and neutralizing humoral immunity against the viral hemagglutinin. Here, we demonstrate that the protective response induced in mice by this combined adjuvant is dependent upon TLR4 and TLR7 signaling via myeloid differentiation primary response gene 88 (MyD88), indicating that the adjuvants function in vivo via their known receptors with negligible off-target effects to induce protective immunity...
July 19, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28706518/immunization-with-toxoplasma-gondii-gra17-deletion-mutant-induces-partial-protection-and-survival-in-challenged-mice
#13
Jin-Lei Wang, Hany M Elsheikha, Wei-Ning Zhu, Kai Chen, Ting-Ting Li, Dong-Mei Yue, Xiao-Xuan Zhang, Si-Yang Huang, Xing-Quan Zhu
Toxoplasmosis remains a world-threatening disease largely because of the lack of a fully effective vaccine. Here, we created a ΔGRA17 mutant by disrupting the virulence factor GRA17 using CRISPR-Cas9 method. Then, we tested whether ΔGRA17 tachyzoites can be used as a live-attenuated vaccine against acute, chronic, and congenital Toxoplasma gondii infection in mice. Immune response evoked by ΔGRA17 immunization suggested a sequential Th1 and Th2 T cell response, indicated by high levels of Th1 and a mixed Th1/Th2 cytokines at 28 and 70 days after immunization, respectively...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28698115/interleukin-17-selectively-predicts-better-outcomes-with-bupropion-ssri-combination-novel-t-cell-biomarker-for-antidepressant-medication-selection
#14
Manish K Jha, Abu Minhajuddin, Bharathi Gadad, Tracy L Greer, Taryn L Mayes, Madhukar H Trivedi
BACKGROUND: Interleukin 17 (IL-17) is produced by highly inflammatory Th17 cells and has been implicated in pathophysiology of depression. IL-17 putatively disrupts the blood brain barrier and affects dopamine synthesis whereas dopamine has been shown to decrease Th17 cell-mediated immune response. Nevertheless, whether IL-17 can predict differential treatment outcome with antidepressants modulating dopaminergic transmission is unknown. METHODS: IL-17 and other T cell and non-T cell markers (Th1, Th2 and non-T cell markers) were measured with the Bioplex Pro™ human cytokine 27-plex kit in the Combining Medications to Enhance Depression Outcomes (CO-MED) trial participants who provided baseline plasma and were treated with either bupropion plus escitalopram (bupropion-SSRI), escitalopram plus placebo (SSRI monotherapy), or venlafaxine plus mirtazapine (n=166)...
July 8, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28698095/circulating-cxcl10-is-increased-in-non-segmental-vitiligo-in-presence-or-absence-of-autoimmune-thyroiditis
#15
REVIEW
Silvia Martina Ferrari, Poupak Fallahi, Giulia Santaguida, Camilla Virili, Ilaria Ruffilli, Francesca Ragusa, Marco Centanni, Alessandro Antonelli
Recently the importance of CXCL10 in the pathogenesis of non-segmental vitiligo (NSV) and autoimmune thyroid disorders (AITD) has been shown. No data are present about chemokines CXCL10 (Th1 prototype) and CCL2 (Th2 prototype) circulating levels in NSV patients with/without thyroiditis (AT). Serum CXCL10 and CCL2 have been measured in 50 consecutive NSV patients, in 40 consecutive patients with NSV and AT (NSV+AT), in 50 sex- and age-matched controls without AT (control 1) and in 40 sex- and age-matched patients with AT without NSV (control 2)...
July 8, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28670640/peripheral-parasitaemia-and-its-association-with-plasma-cytokines-levels-in-malaria-infected-pregnant-women-in-aba-abia-state-nigeria
#16
M O Ifeanyichukwu, O C Okamgba, G I Amilo, E A Nwokorie
BACKGROUND: Cytokines in pregnant female may not be a normal phenomenon as malarial infection is often associated with strong CD4+ cell activation and up-regulation of pro-inflammatory cytokines. We investigated the relationship between peripheral parasitaemia and plasma levels of cytokines among malaria infected pregnant women in Aba, Abia State, Nigeria. MATERIALS AND METHODS: A total of 206 non-HIV positive asymptomatic malaria parasitaemic (n=144) and non-parasitaemic (n=62) pregnant women were recruited for this study alongside 80 non-pregnant women who served as positive (n=40) and negative (n=40) controls...
2017: African Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28668505/regulation-of-allergic-airway-inflammation-by-adoptive-transfer-of-cd4-t-cells-preferentially-producing-il-10
#17
Masaya Matsuda, Kana Doi, Tatsuya Tsutsumi, Shinya Fujii, Maki Kishima, Kazuma Nishimura, Ikue Kuroda, Yu Tanahashi, Rino Yuasa, Toshihiko Kinjo, Nobuyuki Kuramoto, Nobuaki Mizutani, Takeshi Nabe
Anti-inflammatory pharmacotherapy for asthma has mainly depended on the inhalation of glucocorticoids, which non-specifically suppress immune responses. If the anti-inflammatory cytokine interleukin (IL)-10 can be induced by a specific antigen, asthmatic airway inflammation could be suppressed when individuals are exposed to the antigen. The purpose of this study was to develop cellular immunotherapeutics for atopic diseases using IL-10-producing CD4(+) T cells. Spleen cells isolated from ovalbumin (OVA)-sensitized mice were cultured with the antigen, OVA and growth factors, IL-21, IL-27 and TGF-β for 7 days...
June 29, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28658564/a-clustering-approach-to-identify-and-characterize-the-asthma-and-chronic-obstructive-pulmonary-disease-overlap-phenotype
#18
Keita Hirai, Toshihiro Shirai, Masayuki Suzuki, Taisuke Akamatsu, Takahito Suzuki, Ichiro Hayashi, Akito Yamamoto, Takefumi Akita, Satoru Morita, Kazuhiro Asada, Daiki Tsuji, Kazuyuki Inoue, Kunihiko Itoh
BACKGROUND: Asthma and chronic obstructive pulmonary disease (COPD) are heterogeneous diseases. The phenotypes that have clinical features of both asthma and COPD are still incompletely understood. OBJECTIVE: To clarify the best discriminators of the asthma-COPD overlap phenotype from asthma and COPD subgroups using a clustering approach. METHODS: This study assessed pathophysiological parameters, including mRNA expression levels of T helper cell-related transcription factors, namely, TBX21 (Th1), GATA3 (Th2), RORC (Th17), and FOXP3 (Treg), in peripheral blood mononuclear cells in asthma patients (n = 152) and in COPD patients (n = 50)...
June 28, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28658559/innate-and-adaptive-type-2-immunity-in-lung-allergic-inflammation
#19
REVIEW
Masato Kubo
Allergic inflammation is a type 2 immune disorder classically characterized by high levels of immunoglobulin E (IgE) and the development of Th2 cells. Asthma is a pulmonary allergic inflammatory disease resulting in bronchial hyper-reactivity. Atopic asthma is defined by IgE antibody-mediated mast cell degranulation, while in non-atopic asthma there is no allergen-specific IgE and more involvement of innate immune cells, such as basophils, group 2 innate lymphoid cells (ILC2), and eosinophils. Recently, protease allergens were shown to cause asthmatic responses in the absence of Th2 cells, suggesting that an innate cell network (IL-33/TSLP-basophil-ILC2-IL-5/IL-13 axis) can facilitate the sensitization phase of type 2 inflammatory responses...
July 2017: Immunological Reviews
https://www.readbyqxmd.com/read/28658549/recent-advances-in-understanding-basophil-mediated-th2-immune-responses
#20
REVIEW
Yoshinori Yamanishi, Kensuke Miyake, Misako Iki, Hidemitsu Tsutsui, Hajime Karasuyama
Basophils, the least common granulocytes, represent only ~0.5% of peripheral blood leukocytes. Because of the small number and some similarity with mast cells, the functional significance of basophils remained questionable for a long time. Recent studies using newly-developed analytical tools have revealed crucial and non-redundant roles for basophils in various immune responses, particularly Th2 immunity including allergy and protective immunity against parasitic infections. In this review, we discuss the mechanisms how basophils mediate Th2 immune responses and the nature of basophil-derived factors involved in them...
July 2017: Immunological Reviews
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