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https://www.readbyqxmd.com/read/27910810/production-of-tnf-alpha-ex-vivo-is-predictive-of-an-immune-response-to-flu-vaccination-in-a-frail-elderly-population
#1
Frédéric Bloch, Bénédicte Charmeteau, Michael Tovey, Jean-François Meritet, Corinne Desaint, Odile Launay, Pierre Lebon
OBJECTIVE: To investigate the relationship between the response to influenza vaccination and the ability to produce proinflamatory cytokines in elderly subjects. METHODS: Whole blood samples from 25 elderly subjects collected before influenza vaccination were stimulated with the influenza vaccine in order to evaluate the secretion of five specific cytokines: TNFα, IFNα, IFNγ, IL2 and IL10. The results were correlated with the increased HAI antibody titres two weeks after vaccination...
September 1, 2016: European Cytokine Network
https://www.readbyqxmd.com/read/27903296/factors-affecting-long-term-efficacy-of-t-regulatory-cell-based-therapy-in-type-1-diabetes
#2
Natalia Marek-Trzonkowska, Małgorzata Myśliwiec, Dorota Iwaszkiewicz-Grześ, Mateusz Gliwiński, Ilona Derkowska, Magdalena Żalińska, Maciej Zieliński, Marcelina Grabowska, Hanna Zielińska, Karolina Piekarska, Anna Jaźwińska-Curyłło, Radosław Owczuk, Agnieszka Szadkowska, Krystyna Wyka, Piotr Witkowski, Wojciech Młynarski, Przemysława Jarosz-Chobot, Artur Bossowski, Janusz Siebert, Piotr Trzonkowski
BACKGROUND: Recent studies suggest that immunotherapy using T regulatory cells (Tregs) prolongs remission in type 1 diabetes (T1DM). Here, we report factors that possibly affect the efficacy of this treatment. METHODS: The metabolic and immune background of 12 children with recently diagnosed T1DM, as well as that of untreated subjects, during a 2-year follow-up is presented. Patients were treated with up to 30 × 10(6)/kg b.w. of autologous expanded CD3(+)CD4(+)CD25(high)CD127(-) Tregs...
December 1, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27886209/virus-infection-drives-il-2-antibody-complexes-into-pro-inflammatory-agonists-in-mice
#3
Wendy W L Lee, Teck-Hui Teo, Fok-Moon Lum, Anand K Andiappan, Siti Naqiah Amrun, Laurent Rénia, Olaf Rötzschke, Lisa F P Ng
The use of IL-2/JES6-1 Ab complex (IL-2 Ab Cx) has been considered as a potential therapeutic for inflammatory diseases due to its selective expansion of regulatory T cells (Tregs) in mice. Here, IL-2 Ab Cx was explored as a therapeutic agent to reduce joint inflammation induced by chikungunya virus, an alphavirus causing debilitating joint disease globally. Virus-infected mice treated with IL-2 Ab Cx exhibited exacerbated joint inflammation due to infiltration of highly activated CD4(+) effector T cells (Teffs)...
November 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27884693/design-synthesis-and-characterization-of-rhein-analogs-as-novel-inhibitors-of-scavenger-receptor-a
#4
Yi Zheng, Xia Li, Piyusha P Pagare, Yunyun Yuan, Xiang-Yang Wang, Yan Zhang
Scavenger receptor A (SRA) has been known as an immunosuppressive factor and therefore therapeutic inhibition of SRA may be potentially exploited for cancer immunotherapy. Our previously work suggested that rhein may act as an inhibitor of SRA in reversing immunosuppression of SRA during T cells activation. Herein, three deconstruction analogs of rhein, compound 1, 2, and 3, were further studied as inhibitors of SRA. These three compounds, particularly compound 1, also known as a natural product danthron, enhanced T cells activation, indicated by increased transcriptional activation of interleukin 2 (Il2) gene, production of IL-2 protein, and proliferation of T cells...
November 12, 2016: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/27866265/proteomic-analysis-of-fasciola-hepatica-excretory-and-secretory-products-fhesps-involved-in-interacting-with-host-pbmcs-and-cytokines-by-shotgun-lc-ms-ms
#5
Qing Liu, Si-Yang Huang, Dong-Mei Yue, Jin-Lei Wang, Yujian Wang, Xiangrui Li, Xing-Quan Zhu
Fasciola hepatica is a helminth parasite with a worldwide distribution, which can cause chronic liver disease, fasciolosis, leading to economic losses in the livestock and public health in many countries. Control is mostly reliant on the use of drugs, and as a result, drug resistance has now emerged. The identification of F. hepatica genes involved in interaction between the parasite and host immune system is utmost important to elucidate the evasion mechanisms of the parasite and develop more effective strategies against fasciolosis...
November 19, 2016: Parasitology Research
https://www.readbyqxmd.com/read/27852627/co-opting-innate-and-adaptive-immunity-against-cancer
#6
(no author information available yet)
Researchers at the Massachusetts Institute of Technology in Cambridge have devised a way to completely eradicate large, established tumors in mice. Their four-component strategy comprises a tumor-specific antibody and vaccine, along with IL2 and anti-PD-1 therapy, which employs both innate and adaptive immunity for tumor destruction.
November 16, 2016: Cancer Discovery
https://www.readbyqxmd.com/read/27847359/human-asymptomatic-epitopes-identified-from-the-herpes-simplex-virus-tegument-protein-vp13-14-ul47-preferentially-recall-polyfunctional-effector-memory-cd44highcd62llowcd8-tem-cells-and-protect-humanized-hla-a-02-01-transgenic-mice-against-ocular-herpes
#7
Ruchi Srivastava, Arif A Khan, Sumit Garg, Sabrina A Syed, Julie N Furness, Hawa Vahed, Tiffany Pham, Howard T Yu, Anthony B Nesburn, Lbachir BenMohamed
: The herpes simplex virus type 1 (HSV-1) infection is widespread among humans. The HSV-1 virion protein 13/14 (VP13/14), also known as UL47, is a tegument antigen targeted by CD8(+) T cells from HSV-seropositive individuals. However, whether VP13/14-specific CD8(+) T cells play a role in the "natural protection" seen in asymptomatic (ASYMP) individuals (have never had a clinical herpetic disease) has not been elucidated. Using predictive computer-assisted algorithms, we identified 10 potential HLA-A*02:01-restricted CD8(+) T cell epitopes from the 693 amino acids sequence of VP13/14 protein...
November 9, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27820940/activated-phosphorylated-stat1-levels-as-a-biologically-relevant-immune-signal-in-schizophrenia
#8
Rajiv P Sharma, Cherise Rosen, Jennifer K Melbourne, Benjamin Feiner, Kayla A Chase
OBJECTIVE: Activation of STAT1 is directly downstream of the cytokine receptors that signal from specific proinflammatory cytokines known to be dysregulated in schizophrenia (SZ), such as IFNγ, IL6, IL2 and IL10, as well as hypoxia, viral/bacterial infections and peptide growth factors. If the increased cytokine protein levels repeatedly observed in SZ have biological consequences, then the measurement of pSTAT1 is a logical step forward. METHODS: Peripheral blood mononuclear cells (PBMCs) from controls (n = 13) and subjects with SZ (n = 22) were extracted using the Ficoll method...
November 8, 2016: Neuroimmunomodulation
https://www.readbyqxmd.com/read/27812025/long-term-exposure-to-myozyme-results-in-a-decrease-of-anti-drug-antibodies-in-late-onset-pompe-disease-patients
#9
Elisa Masat, Pascal Laforêt, Marie De Antonio, Guillaume Corre, Barbara Perniconi, Nadjib Taouagh, Kuberaka Mariampillai, Damien Amelin, Wladimir Mauhin, Jean-Yves Hogrel, Catherine Caillaud, Giuseppe Ronzitti, Francesco Puzzo, Klaudia Kuranda, Pasqualina Colella, Roberto Mallone, Olivier Benveniste, Federico Mingozzi
Immunogenicity of recombinant human acid-alpha glucosidase (rhGAA) in enzyme replacement therapy (ERT) is a safety and efficacy concern in the management of late-onset Pompe disease (LOPD). However, long-term effects of ERT on humoral and cellular responses to rhGAA are still poorly understood. To better understand the impact of immunogenicity of rhGAA on the efficacy of ERT, clinical data and blood samples from LOPD patients undergoing ERT for >4 years (n = 28) or untreated (n = 10) were collected and analyzed...
November 4, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27803062/rescue-of-tolerant-cd8-t-cells-during-cancer-immunotherapy-with-il2-antibody-complexes
#10
Lauryn E Klevorn, Melissa M Berrien-Elliott, Jinyun Yuan, Lindsey M Kuehm, Gregory D Felock, Sean A Crowe, Ryan M Teague
Interleukin-2 (IL2) was among the earliest reagents used for cancer immunotherapy due to its ability to support the survival and function of tumor-reactive T cells. However, treatment with IL2 is accompanied by off-target toxicity and low response rates in patients. In mouse models, these issues are largely overcome when IL2 is administered as a cytokine/antibody complex (IL2c). The complex has a longer serum half-life and can be designed for preferential cytokine delivery to specific cells of interest. Early studies showed IL2c could boost antitumor immunity in mice by activating tumor-reactive CD8(+) T cells...
December 2016: Cancer Immunology Research
https://www.readbyqxmd.com/read/27791035/mirna92a-targets-klf2-and-the-phosphatase-pten-signaling-to-promote-human-t-follicular-helper-precursors-in-t1d-islet-autoimmunity
#11
Isabelle Serr, Rainer W Fürst, Verena B Ott, Martin G Scherm, Alexei Nikolaev, Füsun Gökmen, Stefanie Kälin, Stephanie Zillmer, Melanie Bunk, Benno Weigmann, Nicole Kunschke, Brigitta Loretz, Claus-Michael Lehr, Benedikt Kirchner, Bettina Haase, Michael Pfaffl, Ari Waisman, Richard A Willis, Anette-G Ziegler, Carolin Daniel
Aberrant immune activation mediated by T effector cell populations is pivotal in the onset of autoimmunity in type 1 diabetes (T1D). T follicular helper (TFH) cells are essential in the induction of high-affinity antibodies, and their precursor memory compartment circulates in the blood. The role of TFH precursors in the onset of islet autoimmunity and signaling pathways regulating their differentiation is incompletely understood. Here, we provide direct evidence that during onset of islet autoimmunity, the insulin-specific target T-cell population is enriched with a C-X-C chemokine receptor type 5 (CXCR5)(+)CD4(+) TFH precursor phenotype...
October 25, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27777776/high-dose-interleukin2-a-10-year-single-site-experience-in-the-treatment-of-metastatic-renal-cell-carcinoma-careful-selection-of-patients-gives-an-excellent-outcome
#12
S Chow, V Galvis, M Pillai, R Leach, E Keene, A Spencer-Shaw, A Shablak, J Shanks, T Liptrot, F Thistlethwaite, R E Hawkins
BACKGROUND: VEGF-targeted therapy has become the mainstay of treatment for majority of mRCC patients. For most patients, benefit is short-lived and therefore treatment remains palliative in intent. HD IL2 is an effective immunotherapy treatment capable of durable remission in some patients but its unselected use has been difficult due to its modest response rate and considerable adverse effects. Using set pathology criteria as a selection tool in clinical practice, we have been able to show improved outcomes in our previous report...
2016: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/27777084/crosstalk-between-the-gut-and-the-liver-via-susceptibility-loci-novel-advances-in-inflammatory-bowel-disease-and-autoimmune-liver-disease
#13
Xinyang Li, Jun Shen, Zhihua Ran
Inflammatory bowel disease (IBD) is an autoimmune disorder characterized by chronic, relapsing intestinal inflammation. Autoimmune liver disease (AILD) may be involved in IBD as an extra-intestinal manifestation (EIM). Epidemiologic and anatomic evidence have demonstrated an intimate crosstalk between the gut and the liver. In this review, we briefly introduced nine groups of susceptibility loci shared by inflammatory bowel and autoimmune liver disease for the first time. The genome-wide association studies (GWAS) evidence of pathways involving crosstalk between the gut and the liver is clarified and explained...
October 21, 2016: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/27742794/fcgr-polymorphisms-influence-response-to-il-2-in-metastatic-renal-cell-carcinoma
#14
Amy K Erbe, Wei Wang, Jacob Goldberg, Mikayla Gallenberger, KyungMann Kim, Lakeesha Carmichael, Dustin Hess, Eneida A Mendonca, Yiqiang Song, Jacquelyn A Hank, Su-Chun Cheng, Sabina Signoretti, Michael Atkins, Alexander Carlson, James W Mier, David J Panka, David F McDermott, Paul M Sondel
BACKGROUND: Fc-gamma receptors (FCGRs) are expressed on immune cells, bind to antibodies, and trigger antibody-induced cell-mediated anti-tumor responses when tumor-reactive antibodies are present. The affinity of the FCGR/antibody interaction is variable and dependent upon FCGR polymorphisms. Prior studies of cancer patients treated with immunotherapy indicate that FCGR polymorphisms can influence antitumor response for certain immunotherapies that act via therapeutically administered mAbs or via endogenous tumor-reactive antibodies induced from tumor antigen vaccines...
October 14, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27741089/t-cell-therapy-enabling-adenoviruses-coding-for-il2-and-tnf%C3%AE-induce-systemic-immunomodulation-in-mice-with-spontaneous-melanoma
#15
Siri Tähtinen, Carolin Blattner, Markus Vähä-Koskela, Dipongkor Saha, Mikko Siurala, Suvi Parviainen, Jochen Utikal, Anna Kanerva, Viktor Umansky, Akseli Hemminki
The immunosuppressive microenvironment of solid tumors renders adoptively transferred T cells hypofunctional. However, adenoviral delivery of immunostimulatory cytokines IL2 and TNFα can significantly improve the efficacy of adoptive T-cell therapy. Using ret transgenic mice that spontaneously develop skin malignant melanoma, we analyzed the mechanism of action of adenoviruses coding for IL2 and TNFα in combination with adoptive transfer of TCR-transgenic TRP-2-specific T cells. Following T-cell therapy and intratumoral virus injection, a significant increase in antigen-experienced, tumor-reactive PD-1 CD8 T cells was seen in both cutaneous lesions and in metastatic lymph nodes...
November 2016: Journal of Immunotherapy
https://www.readbyqxmd.com/read/27736965/identification-of-optimal-insertion-site-in-recombinant-newcastle-disease-virus-rndv-vector-expressing-foreign-gene-to-enhance-its-anti-tumor-effect
#16
Ziye Pan, Jinjiao He, Lubna M Rasoul, Yunye Liu, Ruixiang Che, Yun Ding, Xiaocheng Guo, Jiarui Yang, Dehua Zou, Hua Zhang, Deshan Li, Hongwei Cao
Recombinant Newcastle disease virus (rNDV) is tumor selective and intrinsically oncolytic, which has been developed as a vector to express exogenous genes to enhance its oncolytic efficacy. Our previous studies found that insertion sites of foreign gene in rNDV vector affected its expression and anti-tumor activities. However, the optimal insertion site for foreign genes remains unknown. In this study, we inserted the enhanced green fluorescence protein (EGFP) and IL2 genes into four different intergenic regions of the rNDV using reverse genetics technology...
2016: PloS One
https://www.readbyqxmd.com/read/27718765/vaginal-alpha-lipoic-acid-shows-an-anti-inflammatory-effect-on-the-cervix-preventing-its-shortening-after-primary-tocolysis-a-pilot-randomized-placebo-controlled-study
#17
Giovanni Grandi, Lucrezia Pignatti, Francesca Ferrari, Giulia Dante, Isabella Neri, Fabio Facchinetti
INTRODUCTION: Inflammation might be an important underlying cause of preterm birth. Our aim is to explore whether vaginal administration α-lipoic acid reduces cervical inflammation and shortening after primary tocolysis. Matherials and Methods: Singleton pregnancies between 24-30 weeks remaining undelivered after hospitalization for preterm labor were randomly allocated to placebo (20 women, 15 analyzed) or vaginal ALA 400 mg daily (20 women, 17 analyzed) for 30 days. A cervical swab to quantify pro-inflammatory (IL1, IL2, IL6, IL8, TNFα) and anti-inflammatory (IL4, IL10) cytokines as well as transvaginal ultrasound cervical length measurement (CL) were performed before and after treatment...
October 9, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27695964/killer-immunoglobulin-like-receptor-kir-and-kir-ligand-genotype-do-not-correlate-with-clinical-outcome-of-renal-cell-carcinoma-patients-receiving-high-dose-il2
#18
Wei Wang, Amy K Erbe, Mikayla Gallenberger, KyungMann Kim, Lakeesha Carmichael, Dustin Hess, Eneida A Mendonca, Yiqiang Song, Jacquelyn A Hank, Su-Chun Cheng, Sabina Signoretti, Michael Atkins, Alexander Carlson, Jonathan M Weiss, James Mier, David Panka, David F McDermott, Paul M Sondel
NK cells play a role in many cancer immunotherapies. NK cell activity is tightly regulated by killer immunoglobulin-like receptor (KIR) and KIR-ligand interactions. Inhibitory KIR-ligands have been identified as HLA molecules, while activating KIR-ligands are largely unknown. Individuals that have not inherited the corresponding KIR-ligand for at least one inhibitory KIR gene are termed the "KIR-ligand missing" genotype, and they are thought to have a subset of NK cells that express inhibitory KIRs for which the corresponding KIR-ligand is missing on autologous tissue, and thus will not be inhibited through KIR-ligand recognition...
December 2016: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/27677269/isolation-characterization-and-immunomodulatory-associated-gene-transcription-of-wharton-s-jelly-derived-multipotent-mesenchymal-stromal-cells-at-different-trimesters-of-cow-pregnancy
#19
Tereza C Cardoso, Lucas H Okamura, Jamila C Baptistella, Roberto Gameiro, Helena L Ferreira, Márcia Marinho, Eduardo F Flores
The possibility of isolating bovine mesenchymal multipotent stromal cells (MSCs) from fetal adnexa is an interesting prospect due to the potential use of these cells in biotechnological applications. However, little is known about the properties of these progenitor cells in bovine species. Wharton's jelly (WJ) MSC cells were obtained from the umbilical cord of bovine fetuses at three different stages of pregnancy and divided into groups 1, 2 and 3 according to gestational trimester. Cell morphology, from the three stages of pregnancy, typically appeared fibroblast-like spindle-shaped, presenting the same viability and number...
September 27, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27649267/ethnicity-dependent-influence-of-innate-immune-genetic-markers-on-morphine-pca-requirements-and-adverse-effects-in-postoperative-pain
#20
Andrew A Somogyi, Alex T Sia, Ene-Choo Tan, Janet K Coller, Mark R Hutchinson, Daniel T Barratt
Although several genetic factors have been associated with postsurgical morphine requirements, those involving the innate immune system and cytokines have not been well investigated. The aim of this study was to investigate the contribution of genetic variability in innate immune signalling pathways to variability in morphine dosage after elective caesarean section under spinal anaesthesia in 133 Indian, 230 Malay, and 598 Han Chinese women previously studied. Twenty single nucleotide polymorphisms in 14 genes involved in glial activation (TLR2, TLR4, MYD88, MD2), inflammatory signalling (IL2, IL6, IL10, IL1B, IL6R, TNFA, TGFB1, CRP, CASP1), and neuronal regulation (BDNF) were newly investigated, in addition to OPRM1, COMT, and ABCB1 genetic variability identified previously...
July 14, 2016: Pain
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