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Interleukin-2

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https://www.readbyqxmd.com/read/29154844/anticoccidial-effects-of-areca-nut-areca-catechu-l-extract-on-broiler-chicks-experimentally-infected-with-eimeria-tenella
#1
Dingfa Wang, Luli Zhou, Wei Li, Hanlin Zhou, Guanyu Hou
To study the anticoccidial effects of areca nut extract (ANE) on coccidiosis, 270 one-day old Wenchang broiler chicks were divided into six equal groups, each with three replicate cages (n = 15 per cage). The six groups were the blank control group (BC), negative control group (NC), positive control group (PC), and three ANE-treated groups. The birds in the three control groups (BC, NC and PC) were fed a basal diet without ANE supplementation. The birds in the three ANE-treated groups were fed a basal diet supplied with ANE at 100 (T1), 200 (T2), or 300 (T3) mg/kg feed...
November 14, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/29151508/cardiac-sarcoidosis-presenting-as-acute-progressive-heart-failure-with-abdominal-lymphadenopathy
#2
Satoshi Oka, Ken Umetani, Tomoko Harama, Takuya Shimizu, Aritaka Makino, Keita Sano, Masahiko Nakamura
A 77-year-old Japanese woman presented with asymptomatic abdominal lymphadenopathy. Soluble interleukin-2 receptor (sIL2R) and angiotensin-converting enzyme (ACE) levels were elevated, and a pathological examination of lymph-node biopsies revealed non-caseating granulomas, which was consistent with sarcoidosis. Fluorodeoxyglucose-positron emission tomography did not show a clear accumulation in the mediastinal lymph-nodes or heart. Five months later, she presented with acute progressive heart failure that was refractory to conventional treatment...
November 20, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29144585/therapeutic-potential-of-low-dose-il-2-in-immune-thrombocytopenia-an-analysis-of-3-cases
#3
Jiakui Zhang, Yanjie Ruan, Xuanxuan Xu, Huiping Wang, Qianshan Tao, Jun Lu, Linhuan Xia, Qiuye Zhang, Jeffrey Wang, Yiping Wang, Zhimin Zhai
Immune thrombocytopenia (ITP) is an acquired immune-mediated disorder with regulatory T cells (Tregs) reduction. Recent studies have shown that low-dose interleukin-2 can preferentially induce regulatory T cell expansion in vivo, and therefore offers a therapeutic strategy against immune thrombocytopenia. We have demonstrated in a previous study that Tregs and platelet counts significantly improve in an adult with ITP following low-dose IL-2 treatment. Here we report the efficacy of low-dose interleukin-2 in another three adults with immune thrombocytopenia who failed the first-line treatment...
November 16, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/29142746/interaction-between-merkel-cell-carcinoma-and-the-immune-system-pathogenetic-and-therapeutic-implications
#4
Irene Zanetti, Ilaria Coati, Mauro Alaibac
Merkel cell carcinoma (MCC) is a rare, aggressive primary cutaneous neuroendocrine carcinoma. It usually appears on the face and neck of elderly Caucasian people as a flesh-colored, erythematous or violaceous dome-shaped, non-tender nodule with a smooth surface. In immunocompromised patients with T-cell dysfunction, such as patients with acquired immunodeficiency syndrome (AIDS) or solid organ transplant recipients, the incidence of this disease is markedly increased. This suggests a link between the development of MCC and the immune system...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29142605/aviscumine-a-recombinant-ribosomal-inhibitor-increases-the-antitumor-activity-of-natural-killer-cells
#5
Gabriele Gamerith, Arno Amann, Bettina Schenk, Thomas Auer, Hans Lentzen, Dirk O Mügge, Katharina M Cima, Judith Löffler-Ragg, Wolfgang Hilbe, Heinz Zwierzina
Aviscumine, a recombinant lectin I, has been identified as an immunomodulatory agent within a new class of ribotoxic stress-inducing anticancer substances that have demonstrated efficacy in phase I/II trials. The aim of the present study was to elucidate the presumed effect of aviscumine on enhancing human natural killer (NK) cell antitumor cytotoxicity. To measure the effect of aviscumine on human NK cell cytotoxicity, chromium-51-release assays against K-562 cells were performed with isolated NK cells from the whole blood of 34 healthy volunteers...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29142417/inhibition-of-phosphorylated-c-jun-nh-2-terminal-kinase-by-2-4-dihydroxy-6-methoxy-3-5-dimethylchalcone-isolated-from-eugenia-aquea-burm-f-leaves-in-jurkat-t-cells
#6
Melisa I Barliana, Ajeng Diantini, Anas Subarnas, Rizky Abdulah, Takashi Izumi
Background: Indonesian medicinal plants have been used for their anticancer activity for decades. However, the therapeutic effects of medicinal plants have not been fully examined scientifically. As cancer is a major health problem worldwide, searching for a new anticancer compound has attracted considerable attention. Our previous study found that 2',4'-dihydroxy-6-methoxy-3,5-dimethylchalcone, an active compound isolated from leaves of Indonesian medicinal plants Eugenia aquea Burm f...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29137350/il2rg-identified-as-overexpressed-by-rna-seq-profiling-of-pancreatic-intraepithelial-neoplasia-mediates-pancreatic-cancer-growth
#7
Michael Ayars, Eileen O'Sullivan, Anne Macgregor-Das, Koji Shindo, Haeryoung Kim, Michael Borges, Jun Yu, Ralph H Hruban, Michael Goggins
Pancreatic ductal adenocarcinoma evolves from precursor lesions, the most common of which is pancreatic intraepithelial neoplasia (PanIN). We performed RNA-sequencing analysis of laser capture microdissected PanINs and normal pancreatic duct cells to identify differentially expressed genes between PanINs and normal pancreatic duct, and between low-grade and high-grade PanINs. One of the most highly overexpressed transcripts identified in PanIN is interleukin-2 receptor subunit gamma (IL2RG) encoding the common gamma chain, IL2Rγ...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29134676/a-safety-and-immunogenicity-study-of-a-novel-subunit-plague-vaccine-in-cynomolgus-macaques
#8
Li Liu, Dong Wei, Zhe Qu, Li Sun, Yufa Miao, Yanwei Yang, Jinbiao Lu, Weixin Du, Bingxiang Wang, Bo Li
Plague has led to millions of deaths in history and outbreaks continue to the present day. The efficacy limitations and safety concerns of the existing killed whole cell and live-attenuated vaccines call for the development of new vaccines. In this study, we evaluated the immunogenicity and safety of a novel subunit plague vaccine, comprising native F1 antigen and recombinant V antigen. The cynomolgus macaques in low- and high-dose vaccine groups were vaccinated at weeks 0, 2, 4 and 6, at dose levels of 15 μg F1 + 15 μg rV and 30 μg F1 + 30 μg rV respectively...
November 14, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/29132812/the-antitumor-effect-of-folic-acid-conjugated-auricularia-auricular-polysaccharide-cisplatin-complex-on-cervical-carcinoma-cells-in-nude-mice
#9
Junqiang Qiu, Hua Zhang, Zhenyu Wang, Didi Liu, Shumin Liu, Wei Han, Joe M Regenstein, Lin Geng
A tumor-targeted, folic acid (FA) conjugated-Auricularia auricular polysaccharide (AAP) -cis-diaminedichloroplatinum (CDDP) complex (FA-AAP-CDDP) was used for cervical carcinoma chemotherapy. The drug delivery system was able to enhance the antitumor potency of CDDP, and to reduce the toxic side effects of CDDP. The kidney of mice treated by FA-AAP-CDDP complex had higher superoxide dismutase, catalase, and glutathione peroxidase activities, and lower malondialdehyde. FA-AAP-CDDP complex could induce more interleukin-2, interleukin-4, and interferon-γ in mice...
November 10, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29131274/expression-level-and-clinical-significance-of-il-2-il-6-and-tgf-%C3%AE-in-elderly-patients-with-goiter-and-hyperthyroidism
#10
L-F Lv, H-Y Jia, H-F Zhang, Y-X Hu
OBJECTIVE: To investigate the level of expression and the clinical significance of IL-2 (interleukin-2), IL-6 (interleukin-6) and TGF-β (transforming growth factor-β) in elderly patients with goiter and hyperthyroidism. PATIENTS AND METHODS: Gender, age, course of disease, BMI (Body Mass Index), serum FT3 (Free triiodothyronine-3), FT4 (Free triiodothyronine-4), TT3 (Total triiodothyronine-3), TT4 (Total triiodothyronine-4), TSH (Thyroid Stimulating Hormone) and clinical manifestations on admission and other general clinical data and laboratory examination results were collected and statistically analyzed as case group in 128 elderly patients with goiter and hyperthyroidism...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29127008/direct-regulation-of-il-2-by-curcumin
#11
Jin-Gyo Oh, Da-Jeong Hwang, Tae-Hwe Heo
Interleukin-2 (IL-2) is a crucial growth factor for both regulatory and effector T cells. Thus, IL-2 plays a critical role in the stimulation and suppression of immune responses. Recently, anti-IL-2 antibodies (Abs) have been shown to possess strong IL-2 modulatory activities by affecting the interaction between IL-2 and IL-2 receptors. In this study, we screened an herbal library to identify a compound that regulates IL-2, which resulted in the identification of curcumin as a direct binder and inhibitor of IL-2...
November 7, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29125874/pulmonary-immune-responses-to-mycobacterium-tuberculosis-in-exposed-individuals
#12
Christian Herzmann, Martin Ernst, Christoph Lange, Steffen Stenger, Stefan H E Kaufmann, Norbert Reiling, Tom Schaberg, Lize van der Merwe, Jeroen Maertzdorf
BACKGROUND: Blood based Interferon-(IFN)-γ release assays (IGRAs) have a poor predictive value for the development of tuberculosis. This study aimed to investigate the correlation between IGRAs and pulmonary immune responses in tuberculosis contacts in Germany. METHODS: IGRAs were performed on bronchoalveolar lavage (BAL) cells and peripheral blood from close healthy contacts of patients with culturally confirmed tuberculosis. Cellular BAL composition was determined by flow cytometry...
2017: PloS One
https://www.readbyqxmd.com/read/29125561/dimethyl-sulfoxide-dmso-decreases-cell-proliferation-and-tnf-%C3%AE-ifn-%C3%AE-and-il-2-cytokines-production-in-cultures-of-peripheral-blood-lymphocytes
#13
Lucas de Abreu Costa, Marcelo Henrique Fernandes Ottoni, Michaelle Geralda Dos Santos, Agnes Batista Meireles, Valéria Gomes de Almeida, Wagner de Fátima Pereira, Bethânia Alves de Avelar-Freitas, Gustavo Eustáquio Alvim Brito-Melo
Dimethylsulfoxide (DMSO) is an amphipathic molecule composed of a polar domain characterized by the sulfinyl and two nonpolar methyl groups, for this reason it is able to solubilize polar and nonpolar substances and transpose hydrophobic barriers. DMSO is widely used to solubilize drugs of therapeutic applications and studies indicated that 10% v/v concentration did not modify culture viability when used to treat human peripheral blood mononuclear cells (PBMC). However, some DMSO concentrations could influence lymphocyte activation and present anti-inflammatory effects...
November 10, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29124929/injectable-polymeric-cytokine-binding-nanowires-are-effective-tissue-specific-immunomodulators
#14
Colin R Zamecnik, Margaret M Lowe, David M Patterson, Michael D Rosenblum, Tejal A Desai
Injectable nanomaterials that interact with the host immune system without surgical intervention present spatially anchored complements to cell transplantation and could offer improved pharmacokinetics compared to systemic cytokine therapy. Here we demonstrate fabrication of high aspect ratio polycaprolactone nanowires coupled with cytokine-binding antibodies that assemble into porous matrices when injected into the subcutaneous space. These structures are fabricated using a nanotemplating technique that allows for tunability of particle dimensions and utilize a straightforward maleimide conjugation chemistry to allow site-specific coupling to proteins...
November 15, 2017: ACS Nano
https://www.readbyqxmd.com/read/29121154/diagnostic-value-of-serum-soluble-interleukin-2-receptor-levels-vs-angiotensin-converting-enzyme-in-patients-with-sarcoidosis-associated-uveitis
#15
Fahriye Groen-Hakan, Laura Eurelings, Josianne C Ten Berge, Jan van Laar, Christian R B Ramakers, Willem A Dik, Aniki Rothova
Importance: New and improved diagnostic tests for sarcoidosis-associated uveitis are needed because the currently available laboratory diagnostic biomarkers (eg, lysozyme and angiotensin-converting enzyme [ACE]) are lacking in high sensitivity and specificity. Objective: To compare the value of soluble interleukin 2 receptor (sIL-2R) with ACE as diagnostic biomarkers of sarcoidosis in patients with uveitis. Design, Setting, and Participants: A cross-sectional retrospective study was conducted using data collected from 249 consecutive patients with uveitis at the Erasmus University Medical Center uveitis outpatient clinic, Rotterdam, the Netherlands, from April 3, 2013, through November 25, 2015...
November 9, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29120699/tolerability-response-and-outcome-of-high-risk-neuroblastoma-patients-treated-with-long-term-infusion-of-anti-gd2-antibody-ch14-18-cho
#16
Ina Mueller, Karoline Ehlert, Stefanie Endres, Lena Pill, Nikolai Siebert, Silke Kietz, Penelope Brock, Alberto Garaventa, Dominique Valteau-Couanet, Evelyne Janzek, Norbert Hosten, Andreas Zinke, Winfried Barthlen, Emine Varol, Hans Loibner, Ruth Ladenstein, Holger N Lode
Immunotherapy with short term infusion (STI) of monoclonal anti-GD2 antibody (mAb) ch14.18 (4 × 25mg/m(2)/d; 8-20h) in combination with cytokines and 13-cis retinoic acid (RA) prolonged survival in high-risk neuroblastoma (NB) patients. Here, we investigated long-term infusion (LTI) of ch14.18 produced in Chinese hamster ovary cells (ch14.18/CHO; 10 × 10mg/m(2); 24h) in combination with subcutaneous (s.c.) interleukin-2 (IL-2) in a single center program and report clinical response, toxicity and survival...
November 9, 2017: MAbs
https://www.readbyqxmd.com/read/29116526/phagekines-screening-binding-properties-and-biological-activity-of-functional-cytokines-displayed-on-phages
#17
Gertrudis Rojas, Tania Carmenate
The current chapter focuses on the use of filamentous phages to display, modify, and characterize cytokines, which are proteins belonging to a versatile group of essential mediators involved in cell-cell communication. Cytokines exhibit a considerable diversity, both in functions and in structural features underlying their biological effects. A broad variety of cytokines have been successfully displayed on phages, allowing the high-throughput study of their binding properties and biological activities and the discovery of novel therapeutics through directed evolution...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29115604/genetically-engineered-recombinant-adenovirus-expressing-interleukin%C3%A2-2-for-hepatocellular-carcinoma-therapy
#18
Yunpeng Sun, Huanhuan Wu, Gang Chen, Xiaming Huang, Yunfeng Shan, Hongqi Shi, Qiyu Zhang, Yihu Zheng
Regulatory and effector T cells possess immunological cytotoxicity for tumor cells in the tumor microenvironment during tumor progression and are the primary suppressors inhuman cancer therapy. Interleukin‑2 (IL‑2) is an anticancer cytokine, which triggers human innate and adaptive immunity by stimulating T cell propagation and lymphocyte infiltration into tumor sites. IL‑2 has been used successfully for cancer therapy. Recombinant adenovirus expressing IL‑2 (rAd‑IL‑2) injection is a gene therapy agent that may improve prognosis of hepatocellular carcinoma (HCC) patients...
October 27, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29113188/zoledronic-acid-sensitizes-rhabdomyosarcoma-cells-to-cytolysis-mediated-by-human-%C3%AE-%C3%AE-t-cells
#19
Ling-Ling Sun, Zheng-Liang Zhang, Ying-Jun Li, Sheng-Dong Wang, Heng-Yuan Li, Bing-Hao Li, Ting Zhu, Zhao-Ming Ye
Rhabdomyosarcoma (RMS) is the most common type of soft-tissue sarcoma in children. Immunotherapy has been proposed as a treatment for this deadly tumor. In the present study, the cytotoxicity of ex vivo expanded γδ T cells on RMS cell lines was evaluated and the molecular interactions involved were investigated. γδ T cells were expanded in vitro using peripheral blood mononuclear cells from 5 healthy donors and were stimulated with zoledronic acid (Zol) and interleukin 2. RMS cell lines RD and A-673 were used as target cells...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29112154/ubiquitous-nature-of-fluoroquinolones-the-oscillation-between-antibacterial-and-anticancer-activities
#20
REVIEW
Temilolu Idowu, Frank Schweizer
Fluoroquinolones are synthetic antibacterial agents that stabilize the ternary complex of prokaryotic topoisomerase II enzymes (gyrase and Topo IV), leading to extensive DNA fragmentation and bacteria death. Despite the similar structural folds within the critical regions of prokaryotic and eukaryotic topoisomerases, clinically relevant fluoroquinolones display a remarkable selectivity for prokaryotic topoisomerase II, with excellent safety records in humans. Typical agents that target human topoisomerases (such as etoposide, doxorubicin and mitoxantrone) are associated with significant toxicities and secondary malignancies, whereas clinically relevant fluoroquinolones are not known to exhibit such propensities...
November 7, 2017: Antibiotics
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