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https://www.readbyqxmd.com/read/29772575/therapeutic-effect-of-cd4-cd25-regulatory-t-cells-amplified-in-vitro-on-experimental-autoimmune-neuritis-in-rats
#1
Feng-Jie Wang, Dan Cui, Wei-Dong Qian
BACKGROUND/AIMS: This study aimed to explore whether the adoptive transfusion of autologous CD4+CD25+ regulatory T cells (CD4+CD25+ Tregs) has a therapeutic effect on Experimental autoimmune neuritis (EAN) model rats, and it provides new experimental and theoretical bases for the immunotherapy of Guillain-Barre syndrome (GBS). METHODS: CD4+CD25+ Tregs were sorted from the spleens of rats using immunomagnetic bead separation techniques combined with flow cytometry...
May 14, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29767107/effects-of-purified-zearalenone-on-selected-immunological-and-histopathologic-measurements-of-spleen-in-post-weanling-gilts
#2
Peng Chen, Tingjun Liu, Shuzhen Jiang, Zaibin Yang, Libo Huang, Faxiao Liu
The present study was aimed at investigating the adverse effects of dietary zearalenone (ZEA) on the lymphocyte proliferation rate (LPR), interleukin-2 (IL-2), mRNA expressions of pro-inflammatory cytokines, and histopathologic changes of spleen in post-weanling gilts. A total of 20 crossbred piglets (Yorkshire × Landrace × Duroc) with an initial BW of 10.36 ± 1.21 kg (21 d of age) were used in the study. Piglets were fed a basal diet with an addition of 0, 1.1, 2.0, or 3.2 mg/kg purified ZEA for 18 d  ad libitum ...
September 2017: Animal nutrition
https://www.readbyqxmd.com/read/29760710/ionizing-radiation-induces-morphological-changes-and-immunological-modulation-of-jurkat-cells
#3
Patrick Voos, Sebastian Fuck, Fabian Weipert, Laura Babel, Dominique Tandl, Tobias Meckel, Stephanie Hehlgans, Claudia Fournier, Anna Moroni, Franz Rödel, Gerhard Thiel
Impairment or stimulation of the immune system by ionizing radiation (IR) impacts on immune surveillance of tumor cells and non-malignant cells and can either foster therapy response or side effects/toxicities of radiation therapy. For a better understanding of the mechanisms by which IR modulates T-cell activation and alters functional properties of these immune cells, we exposed human immortalized Jurkat cells and peripheral blood lymphocytes (PBL) to X-ray doses between 0.1 and 5 Gy. This resulted in cellular responses, which are typically observed also in naïve T-lymphocytes in response of T-cell receptor immune stimulation or mitogens...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29760372/a-review-of-induction-with-rabbit-antithymocyte-globulin-in-pediatric-heart-transplant-recipients
#4
Martin Schweiger, Andreas Zuckermann, Andres Beiras-Fernandez, Michael Berchtolld-Herz, Udo Boeken, Jens Garbade, Stephan Hirt, Manfred Richter, Arjang Ruhpawar, Jan Dieter Schmitto, Felix Schönrath, Rene Schramm, Uwe Schulz, Markus J Wilhelm, Markus J Barten
Pediatric heart transplantation (pHTx) represents only a small proportion of cardiac transplants. Due to these low numbers, clinical data relating to induction therapy in this special population are far less extensive than for adults. Induction is used more widely in pHTx than in adults, mainly because of early steroid withdrawal or complete steroid avoidance. Antithymocyte globulin (ATG) is the most frequent choice for induction in pHTx, and rabbit antithymocyte globulin (rATG, Thymoglobulin®) (Sanofi Genzyme) is the most widely-used ATG preparation...
May 15, 2018: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/29757889/utilizing-t-cell-activation-signals-1-2-and-3-for-tumor-infiltrating-lymphocytes-til-expansion-the-advantage-over-the-sole-use-of-interleukin-2-in-cutaneous-and-uveal-melanoma
#5
René J Tavera, Marie-Andrée Forget, Young Uk Kim, Donastas Sakellariou-Thompson, Caitlin A Creasy, Ankit Bhatta, Orenthial J Fulbright, Renjith Ramachandran, Shawne T Thorsen, Esteban Flores, Arely Wahl, Audrey M Gonzalez, Christopher Toth, Seth Wardell, Rahmatu Mansaray, Laszlo G Radvanyi, Dan S Gombos, Sapna P Patel, Patrick Hwu, Rodabe N Amaria, Chantale Bernatchez, Cara Haymaker
In this study, we address one of the major critiques for tumor-infiltrating lymphocyte (TIL) therapy-the time needed for proper expansion of a suitable product. We postulated that T-cell receptor activation in the first phase of expansion combined with an agonistic stimulation of CD137/4-1BB and interleukin-2 would favor preferential expansion of CD8 TIL. Indeed, this novel 3-signal approach for optimal T-cell activation resulted in faster and more consistent expansion of CD8CD3 TIL. This new method allowed for successful expansion of TIL from cutaneous and uveal melanoma tumors in 100% of the cultures in <3 weeks...
May 11, 2018: Journal of Immunotherapy
https://www.readbyqxmd.com/read/29756540/immunological-recovery-in-patients-with-pulmonary-tuberculosis-after-intensive-phase-treatment
#6
Xuejiao Luo, Furong Wu, Jun Ma, Heping Xiao, Haiyan Cui
Objectives This study aimed to examine the change and significance of immune parameters in patients with sputum smear-positive pulmonary tuberculosis (TB) after 2 months of intensive phase anti-TB treatment. Methods The immune parameters of 232 cases of sputum smear-positive pulmonary TB were detected before and after 2 months of intensive phase anti-TB treatment and compared with 50 cases from healthy volunteers (controls). The T lymphocyte cell population in peripheral blood was detected using flow cytometry...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29754714/membrane-potential-distinctly-modulates-mobility-and-signaling-of-il-2-and-15-receptors-in-t-cells
#7
Éva Nagy, Gábor Mocsár, Veronika Sebestyén, Julianna Volkó, Ferenc Papp, Katalin Tóth, Sándor Damjanovich, György Panyi, Thomas A Waldmann, Andrea Bodnár, György Vámosi
The high electric field across the plasma membrane might influence the conformation and behavior of transmembrane proteins that have uneven charge distributions in or near their transmembrane regions. Membrane depolarization of T cells occurs in the tumor microenvironment and in inflamed tissues because of K+ release from necrotic cells and hypoxia affecting the expression of K+ channels. However, little attention has been given to the effect of membrane potential (MP) changes on membrane receptor function...
May 10, 2018: Biophysical Journal
https://www.readbyqxmd.com/read/29752775/microrna-92a-promotes-tumor-growth-and-suppresses-immune-function-through-activation-of-mapk-erk-signaling-pathway-by-inhibiting-pten-in-mice-bearing-u14-cervical-cancer
#8
Zeng-Hui Li, Lei Li, Lin-Ping Kang, Yan Wang
Cervical cancer is known as the possible outcome of genital infection, while the molecular mechanisms of initiation, development, and metastasis of cervical cancer have not yet been fully elucidated. Our study aims to investigate the effects of microRNA-92a (miR-92a) on tumor growth and immune function by targeting PTEN via the MAPK/ERK signaling pathway in tumor-bearing mice. C57BL/6 female mice were used for tumor-bearing mouse models and their tumor and adjacent normal tissues were collected, and normal cervical tissues were obtained from normal mice...
May 11, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29752586/comparison-of-tracheal-reconstruction-with-allograft-fresh-xenograft-and-artificial-trachea-scaffold-in-a-rabbit-model
#9
Jae Yeon Lee, Jeong Hun Park, Dong-Woo Cho
This study evaluated the possibility of tracheal reconstruction with allograft, pig-to-rabbit fresh xenograft or use of a tissue-engineered trachea, and compared acute rejection of three different transplanted tracheal segments in rabbits. Eighteen healthy New Zealand White rabbits weighing 2.5-3.1 kg were transplanted with three different types of trachea substitutes. Two rabbits and two alpha 1, 3-galactosyltransferase gene-knockout pigs weighing 5 kg were used as donors. The rabbits were divided into three groups: an allograft control group consisting of rabbit-to-rabbit allotransplantation animals (n = 6), a fresh xenograft group consisting of pig-to-rabbit xenotransplantation animals (n = 6), and an artificial trachea scaffold group (n = 6)...
May 12, 2018: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/29750176/adoptive-cell-therapy-with-tumor-infiltrating-lymphocytes-in-advanced-melanoma-patients
#10
Mélanie Saint-Jean, Anne-Chantal Knol, Christelle Volteau, Gaëlle Quéreux, Lucie Peuvrel, Anabelle Brocard, Marie-Christine Pandolfino, Soraya Saiagh, Jean-Michel Nguyen, Christophe Bedane, Nicole Basset-Seguin, Amir Khammari, Brigitte Dréno
Immunotherapy for melanoma includes adoptive cell therapy with autologous tumor-infiltrating lymphocytes (TILs). This monocenter retrospective study was undertaken to evaluate the efficacy and safety of this treatment of patients with advanced melanoma. All advanced melanoma patients treated with TILs using the same TIL expansion methodology and same treatment interleukin-2 (IL-2) regimen between 2009 and 2012 were included. After sterile intralesional excision of a cutaneous or subcutaneous metastasis, TILs were produced according to a previously described method and then infused into the patient who also received a complementary subcutaneous IL-2 regimen...
2018: Journal of Immunology Research
https://www.readbyqxmd.com/read/29745506/-role-and-mechanism-of-camp-ca-2-signal-pathway-in-differentiation-of-bone-marrow-mesenchymal-stem-cells-into-neuronal-cells-induced-by-salidroside
#11
Ling Zhao, Hongbin Zhao, Wen Qin, Gen Li, Junjie Tang, Jiuna Wang
To investigate the mechanism of cAMP/Ca 2+ signaling pathway inducing bone marrow mesenchymal stem cells to differentiate into neuronal cells, we cultured the bone marrow mesenchymal stem cells D1 cells in the present study. D1 cells were divided into two groups: control group and salidroside inducing groups. Control group was cultured with complete culture solution D/F12, while salidroside inducing groups were induced with 100 mg·L -1 salidroside for different time periods (24, 48 and 72 hours). PCR-array assay was used to detect expression of 84 calcium related mRNA, and significantly different genes were chosen to analyse...
June 1, 2017: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
https://www.readbyqxmd.com/read/29745286/therapeutic-and-immune-function-improvement-of-vitamin-d-combined-with-ifn-%C3%AE-on-mouse-with-hepatitis-b-infection
#12
Yonghui Bi, Weiguo Zhang, Jian Sun, Ruohui Gao
This study aims to investigate the therapeutic effect of vitamin D (VD) combined with interferon (IFN) type I (IFN-α) on mice with hepatitis B and to explore the possible mechanism. The mice were divided into control group, model group, IFN-α group, and IFN-α +  VD group. After 4 weeks, the mice of four groups were weighed, and the thymus and spleen indexes were calculated. The activity of alanine transaminase (ALT) and aspartate transaminase (AST) in the serum was detected while pathological changes of the liver were observed...
January 2018: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29742588/derivation-and-validation-of-a-biomarker-based-clinical-algorithm-to-rule-out-sepsis-from-noninfectious-systemic-inflammatory-response-syndrome-at-emergency-department-admission-a-multicenter-prospective-study
#13
Filippo Mearelli, Nicola Fiotti, Carlo Giansante, Chiara Casarsa, Daniele Orso, Marco De Helmersen, Nicola Altamura, Maurizio Ruscio, Luigi Mario Castello, Efrem Colonetti, Rossella Marino, Giulia Barbati, Andrea Bregnocchi, Claudio Ronco, Enrico Lupia, Giuseppe Montrucchio, Maria Lorenza Muiesan, Salvatore Di Somma, Gian Carlo Avanzi, Gianni Biolo
OBJECTIVES: To derive and validate a predictive algorithm integrating a nomogram-based prediction of the pretest probability of infection with a panel of serum biomarkers, which could robustly differentiate sepsis/septic shock from noninfectious systemic inflammatory response syndrome. DESIGN: Multicenter prospective study. SETTING: At emergency department admission in five University hospitals. PATIENTS: Nine-hundred forty-seven adults in inception cohort and 185 adults in validation cohort...
May 7, 2018: Critical Care Medicine
https://www.readbyqxmd.com/read/29734503/improved-survival-after-ltx-associated-acute-gvhd-with-mab-therapy-targeting-il2rab-and-soluble-tnfab-single-center-experience-and-systematic-review
#14
R C Minnee, S Fieuws, I Jochmans, R Aerts, M Sainz Barriga, Y Debaveye, J Maertens, P Vandenberghe, W Laleman, S van der Merwe, C Verslype, D Cassiman, P Ferdinande, F Nevens, J Pirenne, D Monbaliu
Acute graft-versus-host disease (GVHD) after liver transplantation (LTx) is a rare complication with a high mortality rate. Recently, monoclonal antibody (mAb) treatment, specifically with anti-interleukin-2 receptor antibody (IL2RAb) and anti-TNF-α antibody (TNFAb) gained increasing interest. However, evidence is mostly limited to case reports and the efficacy remains unclear. Here, we describe 5 patients with LTx-associated GVHD from our own center, and performed a systematic literature review to evaluate the potential therapeutic benefit of IL2RAb/TNFAb treatment...
May 7, 2018: American Journal of Transplantation
https://www.readbyqxmd.com/read/29734357/cyclosporine-a-drug-delivery-system-for-high-risk-penetrating-keratoplasty-stabilizing-the-intraocular-immune-microenvironment
#15
Ting Zhang, Zhiyuan Li, Ting Liu, Suxia Li, Hua Gao, Chao Wei, Weiyun Shi
Cyclosporine A (CsA) is an essential medication used to prevent corneal allograft rejection. Our preliminary studies revealed that CsA drug-delivery system (DDS) was more effective in preventing high-risk corneal allograft rejection than topical CsA application. However, the impacts of CsA DDS on the intraocular immune microenvironment were not fully elucidated. In the present study, we investigated the effect of CsA DDS on the cornea allograft, aqueous humor, and iris-ciliary body using a rabbit model of high-risk penetrating keratoplasty...
2018: PloS One
https://www.readbyqxmd.com/read/29731098/efficacy-and-safety-of-induction-therapy-in-kidney-transplantation-a-network-meta-analysis
#16
S D Hwang, J H Lee, S W Lee, K-M Park, J K Kim, M-J Kim, J H Song
BACKGROUND: Rejection and infection can occur after kidney transplantation and are important factors in preserving graft kidney function. The use of immunosuppressant agents in transplantation is therefore important, and the question of which induction therapy should be used as an immunosuppressant is controversial. OBJECTIVE: The goal of this study was to assess the comparative benefits and harms of various maintenance immunosuppressive induction agents in adults undergoing kidney transplantation by using a network meta-analysis and to generate rankings of the different immunosuppressive regimens according to their safety and efficacy...
May 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29730909/-establishment-of-the-culture-system-of-%C3%AE-%C3%AE-t-cells-in-vitro-and-the-anti-tumor-effect
#17
L Xie, W Chen, L Wang, M Cheng, S L Hu, G Shen
Objective: To establish the culture technique for culturing γδ T cells in vitro and evaluate the basic characteristics, security and anti-tumor effect of the cultured γδ T cells. Methods: Phytohemagglutinin, zoledronic acid, interleukin-2 and interleukin -7 were used to induce the abundant expansion of peripheral blood mononuclear cells in vitro . Flow cytometry assay, in vitro killing assay and mouse model of human lung cancer were also adopted to assess the characteristics and the anti-tumor effect of cultured γδ T cells...
April 23, 2018: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/29730008/ameliorative-effects-of-antrodia-cinnamomea-polysaccharides-against-cyclophosphamide-induced-immunosuppression-related-to-nrf2-ho-1-signaling-in-balb-c-mice
#18
Yange Liu, Anhui Yang, Yidi Qu, Zhuqian Wang, Yuqi Zhang, Yan Liu, Ning Wang, Lirong Teng, Di Wang
The objective of this study was to determine the ameliorative effects of Antrodia cinnamomea polysaccharide (ACPS) against cyclophosphamide (CTX)-induced immunosuppression in BALB/c mice. Four weeks of oral ACPS treatment successfully improved organ indexes and enhanced the function of T cells and the cytotoxicity of natural killer cells. CTX administration has been shown to notably decrease immunoglobulin A, G and M, interleukin 2, 6 and 12, and interferon α and γ levels in serum and in the spleen, and ACPS abolished these effects...
May 3, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29728867/check-point-inhibitors-a-new-era-in-renal-cell-carcinoma-treatment
#19
REVIEW
Mohamed Alsharedi, Heather Katz
In the United States, the estimated number of new cases of renal cell carcinoma (RCC) is approximately 65,000 case with about 15,000 deaths in the year of 2018 (Siegel et al. in CA Cancer J Clin 68(1):7, 2018). RCC as an immunogenic malignancy is supported by many theories and facts which include tumor richness of lymphocytes infiltrate, the occurrence of spontaneous tumor regression, and the proved effect of traditional immunotherapy (Finke et al. in J Immunother 11(1):1-11, 1992), all these factors support the potential therapeutic effect of the novel immunotherapeutic agents in RCC...
May 4, 2018: Medical Oncology
https://www.readbyqxmd.com/read/29725365/effects-of-recombinant-human-growth-hormone-on-protein-malnutrition-and-igf-1-and-il-2-gene-expression-levels-in-chronic-nephrotic-syndrome
#20
Guang Dai, Donghai Wang, Hua Dong
The aim of the study was to investigate the effects of recombinant human growth hormone on protein malnutrition and insulin-like growth factor-1 ( IGF-1 ) and interleukin-2 ( IL-2 ) gene expressions in chronic nephrotic syndrome. Eighty patients with chronic nephrotic syndrome were admitted to our hospital. The patients were included in the study period from January 2015 to December 2016 and were divided into two groups (40 cases in each group) according to the random number method. All the patients enrolled received symptomatic and supportive treatment...
May 2018: Experimental and Therapeutic Medicine
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