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https://www.readbyqxmd.com/read/28088784/a-phase-i-clinical-study-of-autologous-dendritic-cell-therapy-in-patients-with-relapsed-or-refractory-multiple-myeloma
#1
Sung-Hoon Jung, Hyun-Ju Lee, Youn-Kyung Lee, Deok-Hwan Yang, Hyeoung-Joon Kim, Joon Haeng Rhee, Frank Emmrich, Je-Jung Lee
Cellular immunotherapy is emerging as a potential immunotherapeutic modality in multiple myeloma (MM). We have developed potent immunotherapeutic agent (VAX-DC/MM) generated by dendritic cells (DCs) loaded with autologous myeloma cells irradiated with ultraviolet B. In this study, we evaluated the safety and efficacy of VAX-DC/MM in patients with relapsed or refractory MM. This trial enrolled relapsed or refractory MM patients who had received both thalidomide- and bortezomib-based therapies. Patients received the intradermal VAX-DC/MM injection every week for 4 weeks...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28087817/t-cell-redeployment-and-intracellular-cytokine-expression-following-exercise-effects-of-exercise-intensity-and-cytomegalovirus-infection
#2
Emily C LaVoy, Maryam Hussain, Justin Reed, Hawley Kunz, Mira Pistillo, Austin B Bigley, Richard J Simpson
The magnitude of lymphocytosis following exercise is directly related to exercise intensity. Infection with cytomegalovirus (CMV) also augments lymphocytosis after exercise. It is not known if the enhanced T-cell response to exercise due to CMV depends on exercise intensity. Furthermore, exercise-induced changes in T-cell expression of type I and type II cytokines are thought to be intensity dependent, but direct comparisons are lacking. The aim of this experiment was to determine if CMV affects the exercise-induced redistribution of T-cell subsets at varying intensities, and determine the effect of exercise intensity on CD8(+) T-cell cytokine expression...
January 2017: Physiological Reports
https://www.readbyqxmd.com/read/28087069/safety-tolerability-and-antiviral-effect-of-rg-101-in-patients-with-chronic-hepatitis-c-a-phase-1b-double-blind-randomised-controlled-trial
#3
Meike H van der Ree, J Marleen de Vree, Femke Stelma, Sophie Willemse, Marc van der Valk, Svend Rietdijk, Richard Molenkamp, Janke Schinkel, Ad C van Nuenen, Ulrich Beuers, Salah Hadi, Marten Harbers, Eva van der Veer, Kai Liu, John Grundy, Amy K Patick, Adam Pavlicek, Jacqueline Blem, Michael Huang, Paul Grint, Steven Neben, Neil W Gibson, Neeltje A Kootstra, Hendrik W Reesink
BACKGROUND: miR-122 is an important host factor for hepatitis C virus (HCV) replication. The aim of this study was to assess the safety and tolerability, pharmacokinetics, and antiviral effect of a single dose of RG-101, a hepatocyte targeted N-acetylgalactosamine conjugated oligonucleotide that antagonises miR-122, in patients with chronic HCV infection with various genotypes. METHODS: In this randomised, double-blind, placebo-controlled, multicentre, phase 1B study, patients were randomly assigned to RG-101 or placebo (7:1)...
January 10, 2017: Lancet
https://www.readbyqxmd.com/read/28081442/mapping-and-role-of-the-cd8-t-cell-response-during-primary-zika-virus-infection-in-mice
#4
Annie Elong Ngono, Edward A Vizcarra, William W Tang, Nicholas Sheets, Yunichel Joo, Kenneth Kim, Matthew J Gorman, Michael S Diamond, Sujan Shresta
CD8(+) T cells may play a dual role in protection against and pathogenesis of flaviviruses, including Zika virus (ZIKV). We evaluated the CD8(+) T cell response in ZIKV-infected LysMCre(+)IFNAR(fl/fl) C57BL/6 (H-2(b)) mice lacking the type I interferon receptor in a subset of myeloid cells. In total, 26 and 15 CD8(+) T cell-reactive peptides for ZIKV African (MR766) and Asian (FSS13025) lineage strains, respectively, were identified and validated. CD8(+) T cells from infected mice were polyfunctional and mediated cytotoxicity...
January 11, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28081156/generation-of-a-stable-transgenic-swine-model-expressing-a-porcine-histone-2b-egfp-fusion-protein-for-cell-tracking-and-chromosome-dynamics-studies
#5
Renan B Sper, Sehwon Koh, Xia Zhang, Sean Simpson, Bruce Collins, Jeff Sommer, Robert M Petters, Ignacio Caballero, Jeff L Platt, Jorge A Piedrahita
Transgenic pigs have become an attractive research model in the field of translational research, regenerative medicine, and stem cell therapy due to their anatomic, genetic and physiological similarities with humans. The development of fluorescent proteins as molecular tags has allowed investigators to track cell migration and engraftment levels after transplantation. Here we describe the development of two transgenic pig models via SCNT expressing a fusion protein composed of eGFP and porcine Histone 2B (pH2B)...
2017: PloS One
https://www.readbyqxmd.com/read/28078860/effects-of-two-different-anesthetic-methods-on-cellular-immunity-of-patients-after-liver-cancer-resection
#6
Y Xu, Y Sun, H Chen, Y Wang, G N Wang
This study aims to investigate the effects of epidural block in combination with general anesthesia and general anesthesia alone on the immune function of patients undergoing primary liver cancer resection. Twenty-four patients with liver cancer who received treatment in the Third Hospital of Harbin Medical University, Heilongjiang, China, were enrolled and randomly allocated into group A and group B, with 12 in each group. The data on the T lymphocyte subpopulation, pro-inflammatory cytokines and antiinflammatory cytokines were recorded before, immediately after and 24 h after liver cancer resection to compare differences and changes...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28077075/protection-via-a-rom4-dna-vaccine-and-peptide-against-toxoplasma-gondii-in-balb-c-mice
#7
Yali Han, Aihua Zhou, Gang Lu, Guanghui Zhao, Lin Wang, Jingjing Guo, Pengxia Song, Jian Zhou, Huaiyu Zhou, Hua Cong, Shenyi He
BACKGROUND: Toxoplasma gondii (T. gondii) is an obligate intracellular protozoan parasite with a broad host range including most warm-blooded animals, including humans. T. gondii surface antigen 1 (SAG1) is a well-characterized T. gondii antigen. T. gondii expresses five nonmitochondrial rhomboid intramembrane proteases, TgROM1-5. TgROM4 is uniformly distributed on the surface of T. gondii and involved in regulating MIC2, MIC3, MIC6, and AMA1 during T. gondii invasion of host cells. Bioinformatics have predicted ROM4 B-cell and T-cell epitopes...
January 11, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28076451/survival-benefits-of-interferon-based-therapy-in-patients-with-recurrent-hepatitis-c-after-orthotopic-liver-transplantation
#8
L P Zanaga, A G Vigani, R N Angerami, A Giorgetti, C A F Escanhoela, E C Ataíde, I F S F Boin, R S B Stucchi
Recurrent hepatitis C after orthotopic liver transplantation (OLT) is universal and can lead to graft failure and, consequently, reduced survival. Hepatitis C treatment can be used to prevent these detrimental outcomes. The aim of this study was to describe rates of hepatitis C recurrence and sustained virological response (SVR) to interferon-based treatment after OLT and its relationship to survival and progression of liver disease through retrospective analysis of medical records of 127 patients who underwent OLT due to cirrhosis or hepatocellular carcinoma secondary to chronic hepatitis C between January 2002 and December 2013...
January 9, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28073409/-a-study-of-immune-response-to-hbsag-mediated-by-cd4-memory-t-lymphocytes-in-immunized-hbv-transgenic-mice
#9
Y Li, J H Chen, X G Shu, J H Chen, Q H Xia, W Z Yuan, L Wu, Q Tang, G B Wang
Objective: To investigate the mechanism of immune response to HBsAg mediated by CD4+ memory T lymphocytes in immunized HBV transgenic (Tg) mice. Methods: Peripheral CD4+ memory T lymphocytes were isolated and collected by magnetic bead sorting from C57BL/6 mice successfully immunized by hepatitis B vaccine. Adoptive immunization was performed for Tg mice by caudal vein injection, and the peripheral blood was collected at 4 and 8 weeks after adoptive immunization. Enzyme-linked immunosorbent assay was used to measure the levels of HBsAg, anti-HBs, interferon-γ (IFNγ), and interleukin-2 (IL-2), and immunohistochemistry was used to measure the level of HBsAg in the liver...
December 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28072682/increasing-lag-3-expression-suppresses-t-cell-function-in-chronic-hepatitis-b-a-balance-between-immunity-strength-and-liver-injury-extent
#10
Bo Ye, Xuefen Li, Yuejiao Dong, Yiyin Wang, Li Tian, Sha Lin, Xia Liu, Haishen Kong, Yu Chen
Weak or absent virus-specific CD8 T-cell responses to hepatitis B virus (HBV) infection are thought to be responsible for persistent HBV infection. Previous studies have indicated that multiple inhibitory receptors, including lymphocyte activation gene-3 (LAG-3), can suppress the CD8 T-cell response in chronic viral infection. This study aimed to detect LAG-3 expression and to investigate the manner in which the immune response is regulated to balance the strength of the response with the extent of liver injury in chronic HBV infection...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28070326/effects-of-cranberry-extracts-on-gene-expression-in-thp-1-cells
#11
Daniel B Hannon, Jerry T Thompson, Christina Khoo, Vijaya Juturu, John P Vanden Heuvel
Cranberry contains high levels of nutrients and bioactive molecules that have health-promoting properties. The purpose of the present studies was to determine if cranberry extracts (CEs) contain phytochemicals that exert anti-inflammatory effects. The human monocytic cell line THP-1 was treated with two CEs (CE and 90MX) and subsequently challenged with Lipopolysaccharides (LPS). Tumor necrosis factor α (TNF α) expression was decreased in the CE-treated cells, indicative of an anti-inflammatory effect. Gene expression microarrays identified several immune-related genes that were responsive to CEs including interferon-induced protein with tetratricopeptide repeats 1 and 3 (IFIT 1 and 3), macrophage scavenger receptor 1 (MSR1) and colony-stimulating factor 2 (CSF2)...
January 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28067461/phagocytosis-and-immune-response-studies-of-macrophage-nanodiamond-interactions-in-vitro-and-in-vivo
#12
K-J Huang, C-Y Lee, Y-C Lin, C-Y Lin, E Perevedentseva, S-F Hung, C-L Cheng
The applications of nanodiamond as drug delivery and bio-imaging can require the relinquishing ND-drug conjugate via blood flow, where interaction with immune cells may occur. In this work, we investigated the ND penetration in macrophage and the immune response using the tissue-resident murine macrophages (RAW 264.7). Confocal fluorescence imaging, immunofluorescence analysis of nuclear translocation of interferon regulatory factor IRF-3 and transcriptional factor NF-κΒ, analysis of pro-inflammatory cytokines production IL-1β, IL-6 IL-10 with a reverse transcription-polymerase chain reaction technique were applied...
January 9, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28067328/predictive-value-of-serum-ifn-%C3%AE-inducible-protein-10-and-ifn-%C3%AE-il-4-ratio-for-liver-fibrosis-progression-in-chb-patients
#13
Yadong Wang, Weiyan Yu, Chuan Shen, Wei Wang, Li Zhang, Fang Liu, Hui Sun, Yajuan Zhao, Honghao Che, Caiyan Zhao
Noninvasive serum markers for assessment of liver fibrosis in chronic hepatitis B (CHB) patients have not been well-studied. The present study was to evaluate the predictive value of serum interferon gamma-inducible protein-10 (IP-10/CXCL10) and the interferon (IFN)-γ/interleukin (IL)-4 ratio for liver fibrosis progression in CHB patients. A total of 180 CHB patients were categorized into four groups: no fibrosis, mild fibrosis, moderate fibrosis, and severe fibrosis. Serum and intrahepatic levels of IP-10, IFN-γ, and IL-4 were examined, from which the IFN-γ/IL-4 ratio was calculated...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28066900/boosting-of-post-exposure-human-t-and-b-cell-recall-responses-in-vivo-by-burkholderia-pseudomallei-related-proteins
#14
Arnone Nithichanon, Louise J Gourlay, Gregory J Bancroft, Manabu Ato, Yoshimasa Takahashi, Ganjana Lertmemongkolchai
Burkholderia pseudomallei is the causative agent of melioidosis, an infectious disease with high incidence and mortality in South East Asia and Northern Australia. To date there is no protective vaccine and antibiotic treatment is prolonged and not always effective. Most people living in endemic areas have been exposed to the bacteria and have developed some immunity, which may have helped prevent disease. Here, we used a humanized mouse model (hu-PBL-SCID), reconstituted with human peripheral blood mononuclear cells (PBMCs) from seropositive donors, to illustrate the potential of three known antigens (FliC, OmpA and N-PilO2) for boosting both T- and B-cell immune responses...
January 9, 2017: Immunology
https://www.readbyqxmd.com/read/28063950/dietary-alpha-linolenic-acid-linoleic-acid-ratios-modulate-immune-response-physical-barrier-and-related-signaling-molecules-mrna-expression-in-the-gills-of-juvenile-grass-carp-ctenopharyngodon-idella
#15
Yun-Yun Zeng, Lin Feng, Wei-Dan Jiang, Yang Liu, Pei Wu, Jun Jiang, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Xiao-Qiu Zhou
This study was conducted to explore the possible effects of dietary ALA/LNA ratios on the gill immunity, tight junction and antioxidant capacity, and the related signaling factor mRNA levels of juvenile grass carp (Ctenopharyngodon idella). Fish were fed diets with different ALA/LNA ratios (0.01, 0.34, 0.68, 1.03, 1.41, 1.76 and 2.15) for 60 days. The present results showed that ALA/LNA ratio of 1.03 significantly enhanced lysozyme and acid phosphatase activities, complement 3 contents, promoted mRNA levels of antimicrobial peptides (Hepcidin and liver expression antimicrobial peptide-2), anti-inflammatory cytokines (interleukin 10 and transforming growth factor β1) and inhibitor protein κBα, whereas suppressed pro-inflammatory cytokines (interleukin 1β, interleukin 8, tumor necrosis factor a and interferon γ2), and signal molecules (IκB kinase β, IκB kines γ and nuclear factor κB p65) mRNA levels in the gill, indicating that optimal dietary ALA/LNA ratio improve gill immunity of juvenile fish...
January 4, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28063160/elevated-semaphorin5a-in-systemic-lupus-erythematosus-is-in-association-with-disease-activity-and-lupus-nephritis
#16
Yan Du, Xinyu Wu, Mo Chen, Wenwen Wang, Weihong Xv, Lv Ye, Di Wu, Jing Xue, Wenjia Sun, Judong Luo, Huaxiang Wu
OBJECTIVE: Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by extensive immune response including over-activation of T and B cells development of pathogenic autoantibodies, organ damage induced by the formation and deposition of immune complex, and the abnormal elevation of type I interferon. Semaphorin5A (Sema5A), is essentially involved in immune cell regulation and also implicated in the pathogenesis of autoimmune disorders. We aimed to evaluate the role of Sema5A in patients with SLE...
January 7, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28058287/impact-of-il-27-on-hepatocyte-antiviral-gene-expression-and-function
#17
Narayan Ramamurthy, Sara Boninsegna, Rebecca Adams, Natasha Sahgal, Helen Lockstone, Dilair Baban, Emanuele Marchi, Paul Klenerman
Background: Interleukin (IL)-27 is a member of the IL-6/IL-12 family of cytokines. It is a potent cytokine, with potential antiviral impact, and has been shown to play a role in modulating functions of diverse cell types, including Th1, Th2, and NK and B cells, demonstrating both pro- and anti-inflammatory roles.  In hepatocytes, it is capable of inducing signal transducer and activator of transcription (STAT)1, STAT3 and interferon-stimulated genes. Methods: To address its role in viral hepatitis, the antiviral activity of IL-27 against hepatitis C virus (HCV) and hepatitis B virus (HBV) was tested in vitro using cell-culture-derived infectious HCV (HCVcc) cell culture system and the HepaRG HBV cell culture model...
November 17, 2016: Wellcome Open Res
https://www.readbyqxmd.com/read/28056752/inhibiting-the-secretion-of-hepatitis-b-surface-antigen-hbsag-to-treat-hepatitis-b-infection-a-review
#18
Simon D Baugh
Chronic Hepatitis B is a major global health issue, and has no known cure. Currently there are over 240 million people infected with the disease, and it leads to the death of over 686,000 people each year. A total of seven treatments which help to control the disease are currently available: interferon-based treatments (pegasys, and interferon alpha), and nucleoside and nucleotide analogs (Viread, Baraclude, Tyzeka, Hepsera, Epivir-HBV), but all require continuing treatment to maintain control of the disease...
January 4, 2017: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/28056087/mita-sting-and-its-alternative-splicing-isoform-mrp-restrict-hepatitis-b-virus-replication
#19
Shuhui Liu, Kaitao Zhao, Xi Su, Lu Lu, He Zhao, Xianwen Zhang, Yun Wang, Chunchen Wu, Jizheng Chen, Yuan Zhou, Xue Hu, Yanyi Wang, Mengji Lu, Xinwen Chen, Rongjuan Pei
An efficient clearance of hepatitis B virus (HBV) requires the coordinated work of both the innate and adaptive immune responses. MITA/STING, an adapter protein of the innate immune signaling pathways, plays a key role in regulating innate and adaptive immune responses to DNA virus infection. Previously, we identified an alternatively spliced isoform of MITA/STING, called MITA-related protein (MRP), and found that MRP could specifically block MITA-mediated interferon (IFN) induction while retaining the ability to activate NF-κB...
2017: PloS One
https://www.readbyqxmd.com/read/28052622/novel-targets-for-hepatitis-b-virus-therapy
#20
REVIEW
Barbara Testoni, David Durantel, Fabien Zoulim
Treatment with either pegylated interferon-alpha (pegIFN-α) or last generation nucleos(t)ide analogues (NAs) successfully leads to serum viral load suppression in most chronically infected hepatitis B (CHB) patients, but HBsAg loss is only achieved in 10% of the cases after a 5-year follow-up. Thus, therapy must be administered long-term and it will not completely eliminate infection because of the persistent hepatitis B virus (HBV) minichromosome in infected cells, and cannot completely abolish the risk of developing severe sequelae such as cirrhosis and hepatocellular carcinoma...
January 2017: Liver International: Official Journal of the International Association for the Study of the Liver
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