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https://www.readbyqxmd.com/read/28345487/extranuclear-translocation-of-high-mobility-group-a1-reduces-the-invasion-of-extravillous-trophoblasts-involved-in-the-pathogenesis-of-preeclampsia
#1
Yuka Uchikura, Keiichi Matsubara, Yoshifumi Muto, Yuko Matsubara, Toru Fujioka, Takashi Matsumoto, Takashi Sugiyama
OBJECTIVE: High-mobility group A1 (HMGA1) protein is known to express in trophoblast; however, the role of migration has not been reported to date. In this study, we investigated the role of HMGA1 on the pathogenesis of preeclampsia using immortalized human trophoblast cell (HTR-8/SVneo). MATERIALS AND METHODS: We investigated HMGA1 expression in cytotrophoblasts derived from our preeclampsia model mouse, the CD40L mouse, using immunofluorescence. Wound healing and transwell migration assays were also performed using HTR-8/SVneo (extravillous trophoblast) cells transfected with DNA or siRNA of HMGA1...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28344872/intravenously-usable-fully-serotype-3-oncolytic-adenovirus-coding-for-cd40l-as-an-enabler-of-dendritic-cell-therapy
#2
Sadia Zafar, Suvi Parviainen, Mikko Siurala, Otto Hemminki, Riikka Havunen, Siri Tähtinen, Simona Bramante, Lotta Vassilev, Hongjie Wang, Andre Lieber, Silvio Hemmi, Tanja de Gruijl, Anna Kanerva, Akseli Hemminki
Vaccination with dendritic cells (DCs), the most potent professional antigen-presenting cells in the body, is a promising approach in cancer immunotherapy. However, tumors induce immunosuppression in their microenvironment that suppresses and impairs the function of DCs. Therefore, human clinical trials with DC therapy have often been disappointing. To improve the therapeutic efficacy and to overcome the major obstacles of DC therapy, we generated a novel adenovirus, Ad3-hTERT-CMV-hCD40L, which is fully serotype 3 and expresses hCD40L for induction of antitumor immune response...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28339909/il-17-and-cd40-ligand-synergistically-stimulate-the-chronicity-of-diabetic-nephropathy
#3
Huey-Liang Kuo, Chiu-Ching Huang, Tze-Yi Lin, Ching-Yuang Lin
Background.: Early stages of diabetic nephropathy (DN) are characterized by an influx of inflammatory cells. Interactions between infiltrating T cells and podocytes may play an important role in the ongoing inflammatory response and remodelling. The aim of this study was to explore the role of IL-17 and CD40 ligand (CD40L) in DN. Methods.: The study design involved a case series. Kidney biopsy samples of 69 patients with type 2 diabetes were assessed for the presence of CD4 +  IL-17 +  T cells...
March 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28322935/early-pathogenesis-during-infectious-bursal-disease-in-susceptible-chickens-is-associated-with-changes-in-b-cell-genomic-methylation-and-loss-of-genome-integrity
#4
Nick A Ciccone, Lorraine P Smith, William Mwangi, Amy Boyd, Andrew J Broadbent, Adrian L Smith, Venugopal Nair
We propose a model by which an increase in the genomic modification, 5-hydroxymethylcytosine (5hmC), contributes to B cell death within the chicken bursa of Fabricus (BF) infected with infectious bursal disease virus (IBDV). Our findings indicate that, following an IBDV infection, Rhode Island Red (RIR) chickens have fewer surviving B cells and higher levels of 5hmC in the BF than the more resistant 15l line of birds. Elevated genomic 5hmC levels within the RIR BF are associated with markers of immune responses: infiltrating T cells and increased expression of CD40L, FasL and iNOS...
March 17, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28286252/pkc-epsilon-and-tlr4-synergistically-regulate-resistin-mediated-inflammation-in-human-macrophages
#5
Mary C Zuniga, Gayatri Raghuraman, Elizabeth Hitchner, Cornelia Weyand, William Robinson, Wei Zhou
BACKGROUND AND AIMS: Resistin has been associated with atherosclerotic inflammation and cardiovascular complications. We and others have previously shown that PKC-epsilon (PKCε) is involved in resistin-induced smooth muscle cell (VSMC) dysfunction at a high pathological concentration. This study aimed to evaluate the role and potential pathways of resistin at a physiological concentration, in atherosclerosis-related inflammation. METHODS: Plasma from patients with atherosclerosis was analyzed for resistin concentration...
February 24, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28276457/cd40-signalling-abrogates-induction-of-ror%C3%AE-t-treg-cells-by-intestinal-cd103-dcs-and-causes-fatal-colitis
#6
Christian Barthels, Ana Ogrinc, Verena Steyer, Stefanie Meier, Ferdinand Simon, Maria Wimmer, Andreas Blutke, Tobias Straub, Ursula Zimber-Strobl, Esther Lutgens, Peggy Marconi, Caspar Ohnmacht, Debora Garzetti, Bärbel Stecher, Thomas Brocker
Immune homeostasis in intestinal tissues depends on the generation of regulatory T (Treg) cells. CD103(+) dendritic cells (DCs) acquire microbiota-derived material from the gut lumen for transport to draining lymph nodes and generation of receptor-related orphan γt(+) (RORγt(+)) Helios(-)-induced Treg (iTreg) cells. Here we show CD40-signalling as a microbe-independent signal that can induce migration of CD103(+) DCs from the lamina propria (LP) to the mesenteric lymph nodes. Transgenic mice with constitutive CD11c-specific CD40-signalling have reduced numbers of CD103(+) DCs in LP and a low frequency of RORγt(+)Helios(-) iTreg cells, exacerbated inflammatory Th1/Th17 responses, high titres of microbiota-specific immunoglobulins, dysbiosis and fatal colitis, but no pathology is detected in other tissues...
March 9, 2017: Nature Communications
https://www.readbyqxmd.com/read/28275635/prognostic-evaluation-of-soluble-cd40l-in-acute-myocardial-infarction-is-not-fancy-is-science
#7
COMMENT
Patrícia Napoleão, Miguel Mota Carmo, Teresa Pinheiro
No abstract text is available yet for this article.
February 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28267402/cd40-ligand-is-increased-in-mast-cells-in-psoriasis-and-actinic-keratosis-but-less-so-in-epithelial-skin-carcinomas
#8
Salla Haimakainen, Antti P Kaukinen, Mireille-Maria Suttle, Jukka Pelkonen, Ilkka T Harvima
The expression of CD40 ligand (CD40L) in mast cells was investigated in biopsies from lesional and non-lesional skin samples of patients with psoriasis, actinic keratosis (AK), basal cell carcinoma, and squamous cell carcinoma using a sequential double-staining technique. The percentage of CD40L(+) mast cells was higher in the lesional than in the non-lesional skin (p < .003). Interestingly, this percentage was lower in both carcinomas than in psoriasis and actinic keratosis (p < .025). Cells immunopositive for CD40 receptor were increased in all lesion types but especially so in carcinomas...
March 16, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28266813/generation-of-potent-cytotoxic-t-lymphocytes-against-in-male-patients-with-non-muscle-invasive-bladder-cancer-by-dendritic-cells-loaded-with-dying-t24-bladder-cancer-cells
#9
Eu Chang Hwang, Seung Il Jung, Hyun-Ju Lee, Je-Jung Lee, Dong Deuk Kwon
BACKGROUND: In order to induce a potent cytotoxic T lymphocyte (CTL) response in dendritic cell (DC)-based immunotherapy for bladder cancer, various tumor antigens can be loaded onto DCs. OBJECTIVE: The aim of this study was to establish a method of immunotherapy for male patients with non-muscle invasive bladder cancer (NMIBC), using bladder cancer-specific CTLs generated in vitro by DCs. MATERIALS AND METHODS: Monocyte-derived DCs from bladder cancer patients were induced to mature in a standard cytokine cocktail (IL-1β, TNF-α, IL-6, and PGE2: standard DCs, sDCs) or anα-type 1-polarized DC (αDC1) cocktail (IL-1β, TNF-α, IFN-α, IFN-γ, and polyinosinic:polycytidylic acid) and loaded with the UVB-irradiated bladder cancer cell line, T24...
March 7, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28241036/analysis-of-mycobacterium-ulcerans-specific-t-cell-cytokines-for-diagnosis-of-buruli-ulcer-disease-and-as-potential-indicator-for-disease-progression
#10
Norman Nausch, Daniel Antwi-Berko, Yusif Mubarik, Kabiru Mohammed Abass, Wellington Owusu, Ellis Owusu-Dabo, Linda Batsa Debrah, Alexander Yaw Debrah, Marc Jacobsen, Richard O Phillips
BACKGROUND: Buruli ulcer disease (BUD), caused by Mycobacterium (M.) ulcerans, is the third most common mycobacterial disease after tuberculosis and leprosy. BUD causes necrotic skin lesions and is a significant problem for health care in the affected countries. As for other mycobacterial infections, T cell mediated immune responses are important for protection and recovery during treatment, but detailed studies investigating these immune responses in BUD patients are scarce. In this study, we aimed to characterise M...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28225891/soy-milk-versus-simvastatin-for-preventing-atherosclerosis-and-left-ventricle-remodeling-in-ldl-receptor-knockout-mice
#11
L Santos, A P Davel, T I R Almeida, M R Almeida, E A Soares, G J M Fernandes, S F Magalhães, V G Barauna, J A D Garcia
Functional food intake has been highlighted as a strategy for the prevention of cardiovascular diseases by reducing risk factors. In this study, we compared the effects of oral treatment with soy milk and simvastatin on dyslipidemia, left ventricle remodeling and atherosclerotic lesion of LDL receptor knockout mice (LDLr-/-) fed a hyperlipidic diet. Forty 3-month old male LDLr-/- mice were distributed into four groups: control group (C), in which animals received standard diet; HL group, in which animals were fed a hyperlipidic diet; HL+SM or HL+S groups, in which animals were submitted to a hyperlipidic diet plus soy milk or simvastatin, respectively...
February 20, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28219887/disruption-of-pathogenic-cellular-networks-by-il-21-blockade-leads-to-disease-amelioration-in-murine-lupus
#12
Jin-Young Choi, Abhinav Seth, Michael Kashgarian, Sonia Terrillon, Emma Fung, Lili Huang, Li Chun Wang, Joe Craft
Systemic lupus erythematosus (lupus) is characterized by autoantibody-mediated organ injury. Follicular Th (Tfh) cells orchestrate physiological germinal center (GC) B cell responses, whereas in lupus they promote aberrant GC responses with autoreactive memory B cell development and plasma cell-derived autoantibody production. IL-21, a Tfh cell-derived cytokine, provides instructional cues for GC B cell maturation, with disruption of IL-21 signaling representing a potential therapeutic strategy for autoantibody-driven diseases such as systemic lupus erythematosus...
April 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28198981/toll-like-receptor-agonists-porphyromonas-gingivalis-lps-and-cpg-differentially-regulate-il-10-competency-and-frequencies-of-mouse-b10-cells
#13
Zhiqiang Liu, Yang Hu, Pei Yu, Mei Lin, Grace Huang, Toshihisa Kawai, Martin Taubman, Zuomin Wang, Han Xiaozhe
Objective: This study is to determine the effects of P. gingivalis LPS and CpG on B10 cell expansion and IL-10 competency in vitro. Material and Methods: Spleen B cells were isolated from C57BL/6J mice with or without formalin-fixed P. gingivalis immunization. B cells were cultured for 48 hours under the following conditions: CD40L, CD40L+LPS, CD40L+CpG, and CD40L+LPS+CpG in the presence or absence of fixed P. gingivalis. Percentages of CD1dhiCD5+ B cells were measured by flow cytometry...
January 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28192408/macrophages-confer-survival-signals-via-ccr1-dependent-translational-mcl-1-induction-in-chronic-lymphocytic-leukemia
#14
M H A van Attekum, S Terpstra, E Slinger, M von Lindern, P D Moerland, A Jongejan, A P Kater, E Eldering
Protective interactions with bystander cells in micro-environmental niches, such as lymph nodes (LNs), contribute to survival and therapy resistance of chronic lymphocytic leukemia (CLL) cells. This is caused by a shift in expression of B-cell lymphoma 2 (BCL-2) family members. Pro-survival proteins B-cell lymphoma-extra large (BCL-XL), BCL-2-related protein A1 (BFL-1) and myeloid leukemia cell differentiation protein 1 (MCL-1) are upregulated by LN-residing T cells through CD40L interaction, presumably via nuclear factor (NF)-κB signaling...
February 13, 2017: Oncogene
https://www.readbyqxmd.com/read/28187172/generation-of-dendritic-cell-based-vaccine-using-high-hydrostatic-pressure-for-non-small-cell-lung-cancer-immunotherapy
#15
Nada Hradilova, Lenka Sadilkova, Ondrej Palata, Dagmar Mysikova, Hana Mrazkova, Robert Lischke, Radek Spisek, Irena Adkins
High hydrostatic pressure (HHP) induces immunogenic death of tumor cells which confer protective anti-tumor immunity in vivo. Moreover, DC pulsed with HHP-treated tumor cells induced therapeutic effect in mouse cancer model. In this study, we tested the immunogenicity, stability and T cell stimulatory activity of human monocyte-derived dendritic cell (DC)-based HHP lung cancer vaccine generated in GMP compliant serum free medium using HHP 250 MPa. DC pulsed with HHP-killed lung cancer cells and poly(I:C) enhanced DC maturation, chemotactic migration and production of pro-inflammatory cytokines after 24h...
2017: PloS One
https://www.readbyqxmd.com/read/28185008/physical-activity-initiated-by-employer-induces-improvements-in-a-novel-set-of-biomarkers-of-inflammation-an-8-week-follow-up-study
#16
Lars-Kristian Lunde, Øivind Skare, Hans C D Aass, Asgeir Mamen, Elín Einarsdóttir, Bente Ulvestad, Marit Skogstad
PURPOSE: We investigated the level of pro- and anti-inflammatory biomarkers before and after 8 weeks of unsupervised physical activity (PA) initiated by employer. METHODS: During autumn 2014, background data, blood samples and self-reported exercise level were collected from 76 men and 41 women in a Norwegian road maintenance company. Monocyte chemoattractant protein-1 (MCP-1), tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), leptin, adiponectin, p-selectin and CD40 ligand (CD40L) were analyzed...
March 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28182009/hetero-oligomerization-between-the-tnf-receptor-superfamily-members-cd40-fas-and-trailr2-modulate-cd40-signalling
#17
Cristian R Smulski, Marion Decossas, Neila Chekkat, Julien Beyrath, Laure Willen, Gilles Guichard, Raquel Lorenzetti, Marta Rizzi, Hermann Eibel, Pascal Schneider, Sylvie Fournel
TNF receptor superfamily members (TNFRSF) such as CD40, Fas and TRAIL receptor 2 (TRAILR2) participate to the adaptive immune response by eliciting survival, proliferation, differentiation and/or cell death signals. The balance between these signals determines the fate of the immune response. It was previously reported that these receptors are able to self-assemble in the absence of ligand through their extracellular regions. However, the role of this oligomerization is not well understood, and none of the proposed hypotheses take into account potential hetero-association of receptors...
February 9, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28153727/cd40-agonist-converting-ctl-exhaustion-via-the-activation-of-the-mtorc1-pathway-enhances-pd-1-antagonist-action-in-rescuing-exhausted-ctls-in-chronic-infection
#18
Aizhang Xu, Rong Wang, Andrew Freywald, Kristoffor Stewart, Suresh Tikoo, Jianqing Xu, Changyu Zheng, Jim Xiang
Expansion of PD-1-expressing CD8(+) cytotoxic T lymphocytes (CTLs) and associated CTL exhaustion are chief issues for ineffective virus-elimination in chronic infectious diseases. PD-1 blockade using antagonistic anti-PD-L1 antibodies results in a moderate conversion of CTL exhaustion. We previously demonstrated that CD40L signaling of ovalbumin (OVA)-specific vaccine, OVA-Texo, converts CTL exhaustion via the activation of the mTORC1 pathway in OVA-expressing adenovirus (AdVova)-infected B6 mice showing CTL inflation and exhaustion...
March 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28141921/a-tale-of-two-pathways-renewing-the-promise-of-anti-cd40l-blockade
#19
EDITORIAL
A W Thomson, M B Ezzelarab
Amongst the most promising alternative immunosuppressive strategies to overcome the limitations of calcineurin inhibition in organ transplantation has for some time, been the blockade of co-stimulatory pathways that are essential for naïve T cell activation. The most important and best characterized of these are the CD80/86-CD28/CTLA4 and CD40-CD40L(CD154) ligand-receptor pathways. More than twenty years ago, compelling reports (1) showed that selective blocking of these pathways was highly effective in promoting long-term allograft acceptance/tolerance in rodents...
January 31, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28137717/differentiated-state-of-initiating-tumor-cells-is-key-to-distinctive-immune-responses-seen-in-h-ras-g12v-induced-squamous-tumors
#20
Michael A Podolsky, Jacob T Bailey, Andrew J Gunderson, Carrie J Oakes, Kyle Breech, Adam B Glick
Heterogeneity in tumor immune responses is a poorly understood yet critical parameter for successful immunotherapy. In two doxycycline-inducible models where oncogenic H-Ras(G12V) is targeted either to the epidermal basal/stem cell layer with a Keratin14-rtTA transgene (K14Ras), or committed progenitor/suprabasal cells with an Involucrin-tTA transgene (InvRas), we observed strikingly distinct tumor immune responses. On threshold doxycycline levels yielding similar Ras expression, tumor latency, and numbers, tumors from K14Ras mice had an immunosuppressed microenvironment, whereas InvRas tumors had a proinflammatory microenvironment...
March 2017: Cancer Immunology Research
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