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https://www.readbyqxmd.com/read/29333341/preventive-effects-of-salvia-officinalis-leaf-extract-on-insulin-resistance-and-inflammation-in-a-model-of-high-fat-diet-induced-obesity-in-mice-that-responds-to-rosiglitazone
#1
Mohamed R Ben Khedher, Mohamed Hammami, Jonathan R S Arch, David C Hislop, Dominic Eze, Edward T Wargent, Małgorzata A Kępczyńska, Mohamed S Zaibi
Background: Salvia officinalis (sage) is a native plant to the Mediterranean region and has been used for a long time in traditional medicine for various diseases. We investigated possible anti-diabetic, anti-inflammatory and anti-obesity effects of sage methanol (MetOH) extract in a nutritional mouse model of obesity, inflammation and insulin resistance, as well as its effects on lipolysis and lipogenesis in 3T3-L1 cells. Methods: Diet-induced obese (DIO) mice were treated for five weeks with sage methanol extract (100 and 400 mg kg-1/day bid), or rosiglitazone (3 mg kg-1/day bid), as a positive control...
2018: PeerJ
https://www.readbyqxmd.com/read/29333081/innate-immunity-recovers-earlier-than-acquired-immunity-during-severe-postoperative-immunosuppression
#2
Gunnar Lachmann, Clarissa von Haefen, Johannes Kurth, Fatima Yuerek, Claudia Spies
Background: Postoperative immune suppression, particularly a loss of cell-mediated immunity, is commonly seen after surgery and is associated with worse outcome, i.e. delayed wound healing, infections, sepsis, multiple-organ failure and cancer recurrence. However, the recovery of immune cells focusing on differences between innate and acquired immunity during severe postoperative immunosuppression is not investigated. Methods: In this retrospective randomized controlled trial (RCT) subgroup analysis, 10 postoperatively immune suppressed patients after esophageal or pancreatic resection were analyzed...
2018: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29333035/the-activity-of-immunoglobulin-y-anti-mycobacterium-tuberculosis-on-proliferation-and-cytokine-expression-of-rat-peripheral-blood-mononuclear-cells
#3
Sri Agus Sudjarwo, Koerniasari Eraiko, Giftania Wardani Sudjarwo, Koerniasari
Objective: It has long been known that chickens, like mammals, are capable of producing antigen-specific immunoglobulin Y (IgY), which functions similar to IgG. The present study was performed to investigate the activity of IgY anti-Mycobacterium tuberculosis on proliferation, interleukin (IL)-2, and interferon (IFN)-γ expression of rat peripheral blood mononuclear cells (PBMCs). Materials and Methods: The activity of IgY anti-M. tuberculosis in different doses (25, 50, and 100 μg/ml) on rat PBMCs proliferation was determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide assay...
December 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/29332592/construction-of-an-m1gs-ribozyme-for-targeted-and-rapid-mrna-cleavage-application-on-the-ets-2-oncogene
#4
Chrisavgi Toumpeki, Dimitrios Anastasakis, Ioannis Panagoulias, Vassiliki Stamatopoulou, Tassos Georgakopoulos, Sofia Kallia-Raftopoulos, Athanasia Mouzaki, Denis Drainas
Background RNase P-mediated cleavage of target RNAs has been proposed as a promising tool for gene silencing. Ets-2 proto-oncogene controls the expression of a wide variety of genes involved in cancer and immunity. Objective Construction of a functional RNase P-based ribozyme (M1GS303) that targets Ets-2 mRNA Method The accessible sites for targeting of Ets-2 mRNA were identified by footprinting analysis. M1GS303 ribozyme was constructed by cloning. The activity of the ribozyme in the presence or absence of spiramysin in E...
January 11, 2018: Medicinal Chemistry
https://www.readbyqxmd.com/read/29332250/the-levels-of-12-cytokines-and-growth-factors-in-tears-hyperthyreosis-vs-euthyreosis
#5
Jelena Juri Mandić, Ana Kozmar, Sanja Kusačić-Kuna, Anamarija Jazbec, Krešimir Mandić, Danijela Mrazovac, Nenad Vukojević
PURPOSE: Simultaneous analyses of the contents and ratios of 12 cytokines and growth factors in single samples of human tears were performed, and the results were compared between a group of healthy subjects and a group of patients with Graves' hyperthyreosis (GH) without thyroid-associated orbitopathy (TAO). METHODS: Determinations and concentration measurements of interleukins (IL-2, IL4, IL-6, IL-8, IL-10, IL-1α, and IL-1β) interferon (IFN-γ), tumor necrosis factor (TNF-α), monocyte chemoattractant protein (MCP-1), vascular endothelial growth factor (VEGF), and epidermal growth factor (EGF) were performed with single tear samples from 21 patients with hyperthyreosis and 22 healthy subjects...
January 14, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29329391/oxidative-burst-and-dectin-1-triggered-phagocytosis-affected-by-norepinephrine-and-endocannabinoids-implications-for-fungal-clearance-under-stress
#6
Judith-Irina Buchheim, Spencer Hoskyns, Dominique Moser, Bing Han, Elisabeth Deindl, Marion Hörl, Katharina Biere, Matthias Feuerecker, Gustav Schelling, Alexander Chouker
A prolonged stress burden is known to hamper the efficiency of both the innate and adaptive immune systems and to attenuate the stress responses by the catecholaminergic and endocannabinoid (EC) systems. Key mechanisms of innate immunity are the eradication of pathogens through phagocytosis and the respiratory burst. We tested the concentration-dependent, spontaneous and stimulated (via TNFα and fMLP) release of reactive oxygen species (ROS) by human PMNs in vitro in response to norepinephrine (NE) and AM1241, a pharmacological ligand for the endocannabinoid receptor CB2...
January 10, 2018: International Immunology
https://www.readbyqxmd.com/read/29329036/crocin-improves-the-proliferation-and-cytotoxic-function-of-t-cells-in-children-with-acute-lymphoblastic-leukemia
#7
Kunpeng Zhang, Lingzhen Wang, Shaoyong Si, Yan Sun, Wenting Pei, Yan Ming, Lirong Sun
OBJECTIVE: Immunotherapy is important to improve the survival of children with acute lymphoblastic leukemia (ALL). This study aimed to assess the effects of crocin on the proliferation and function of T cells isolated from children with ALL. METHODS: The mononuclear cells were isolated from peripheral blood of children with ALL and then treated with different final concentrations of crocin. The levels of different cytokines secreted by T cells and the ratio of CD4 and CD8 were measured...
January 9, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29328445/the-effects-of-interleukin-2-and-rad-p53-as-a-treatment-for-glioblastoma
#8
Hai-Bo Qiao, Jia Li, Lian-Jie Lv, Ben-Jin Nie, Peng Lu, Feng Xue, Zhi-Ming Zhang
Interleukin 2 (IL-2) is an anti-cancer cytokine that stimulates T cell propagation, triggering innate and adaptive immunity. IL-2 has been used for cancer therapy and has achieved curative effects. Recombinant adenovirus p53 injection (rAd‑p53) is a gene therapeutic agent that may improve the prognosis of patients with glioblastoma (GBM). In the present study, the effect of combined IL‑2 and rAd‑p53 treatment was studied. The ability of IL‑2 to stimulate immunoregulation and the ability of p53 to induce apoptosis for GBM was researched in the GBM tumor model...
January 9, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29328392/targeting-bladder-cancer-using-activated-t%C3%A2-cells-armed-with-bispecific-antibodies
#9
Juan Ma, Jing Ge, Xin Xue, Weigang Xiu, Pan Ma, Ximing Sun, Man Zhang
In the present study, we aimed to investigate whether EGFR or HER2 may serve as a target for T cell-mediated immunotherapy against human bladder cancer. Expression of EGFR and HER2 was detected on the surface of bladder cancer cells, including Pumc-91 and T24 cells, and their chemotherapeutic drug-resistant counterparts. Activated T cells (ATCs) were generated from healthy PBMCs that were stimulated by the combination of anti-CD3 monoclonal antibody and anti‑CD28 monoclonal antibody in the presence of interleukin-2 for 14 days...
January 11, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29327110/the-role-of-interleukin-2-all-trans-retinoic-acid-and-natural-killer-cells-surveillance-mechanisms-in-anti-gd2-antibody-therapy-in-neuroblastoma
#10
Rosa Nguyen, Jim Houston, Wing K Chan, David Finkelstein, Michael A Dyer
Although anti-disialoganglioside (GD2) antibodies are successfully used for neuroblastoma therapy, a third of patients with neuroblastoma experience treatment failure or serious toxicity. Various strategies have been employed in the clinic to improve antibody-dependent cell-mediated cytotoxicity (ADCC), such as the addition of interleukin (IL)-2 to enhance natural killer (NK) cell function, adoptive transfer of allogeneic NK cells to exploit immune surveillance, and retinoid-induced differentiation therapy...
January 11, 2018: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/29326066/novel-everolimus-loaded-nanocarriers-for-topical-treatment-of-murine-experimental-autoimmune-uveoretinitis-eau
#11
Maren Kasper, Doris Gabriel, Michael Möller, Dirk Bauer, Lena Wildschütz, Herve Courthion, Michael R R Böhm, Martin Busch, Karin Loser, Solon Thanos, Robert Gurny, Arnd Heiligenhaus
In the present study, therapeutic effect of topically applied everolimus (EV)-loaded methoxy-poly(ethylene-glycol)-hexyl substituted poly (lactic acid) (mPEGhexPLA) nanocarriers on experimental autoimmune uveitis (EAU) were investigated. EAU was induced in B10.RIII mice via immunization with human interphotoreceptor retinoid-binding protein peptide 161-180 (hIRBPp161-180) in complete Freund's adjuvant. Everolimus-loaded mPEGhexPLA (EV/mPEGhexPLA) nanocarriers were prepared by using a solvent evaporation method...
January 8, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29323192/baseline-il-2-and-the-aih-score-can-predict-the-response-to-standard-therapy-in-paediatric-autoimmune-hepatitis
#12
Jana Diestelhorst, Norman Junge, Danny Jonigk, Jerome Schlue, Christine S Falk, Michael P Manns, Ulrich Baumann, Elmar Jaeckel, Richard Taubert
Although autoimmune hepatitis (AIH) can be treated with corticosteroid-based first-line therapy, incomplete remission is associated with progressive liver fibrosis. So far accepted predictors of the subsequent treatment response of AIH patients are lacking. Therefore, we analysed baseline parameters, including iron homeostasis and cytokine levels, in 60 children with paediatric AIH (pAIH). In contrast to adults, elevated serum markers indicating iron overload were not commonly found in children. Therefore, ferritin was not predictive of the treatment response in pAIH...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29322139/effects-of-polysaccharides-from-purple-sweet-potatoes-on-immune-response-and-gut-microbiota-composition-in-normal-and-cyclophosphamide-treated-mice
#13
Chao Tang, Jian Sun, Bo Zhou, Changhai Jin, Jun Liu, Juan Kan, Chunlu Qian, Nianfeng Zhang
In this study, three polysaccharides including water-soluble polysaccharide (WSP), dilute alkali-soluble polysaccharide (DASP) and concentrated alkali-soluble polysaccharide (CASP) were extracted from purple sweet potatoes and then administered to normal and cyclophosphamide (CTX) treated mice by gavage. The results showed that WSP and CASP could restore the spleen index and immune cytokine (IL-2 and IL-6) levels in CTX treated mice, while DASP could enhance the levels of TNF-α, IL-2 and IL-6. As compared to the normal control group, WSP and CASP treatment groups exhibited increased levels of Bacteroidetes, Lachnospiraceae and Oscillospira, but decreased levels of Firmicutes, Alcaligenaceae and Sutterella in normal mice...
January 11, 2018: Food & Function
https://www.readbyqxmd.com/read/29321374/selective-cd28-blockade-attenuates-ctla-4-dependent-cd8-memory-t-cell-effector-function-and-prolongs-graft-survival
#14
Danya Liu, I Raul Badell, Mandy L Ford
Memory T cells pose a significant problem to successful therapeutic control of unwanted immune responses during autoimmunity and transplantation, as they are differentially controlled by cosignaling receptors such as CD28 and CTLA-4. Treatment with abatacept and belatacept impede CD28 signaling by binding to CD80 and CD86, but they also have the unintended consequence of blocking the ligands for CTLA-4, a process that may inadvertently boost effector responses. Here, we show that a potentially novel anti-CD28 domain antibody (dAb) that selectively blocks CD28 but preserves CTLA-4 coinhibition confers improved allograft survival in sensitized recipients as compared with CTLA-4 Ig...
January 11, 2018: JCI Insight
https://www.readbyqxmd.com/read/29319881/systemic-il-2-anti-il-2ab-complex-combined-with-sublingual-immunotherapy-suppresses-experimental-food-allergy-in-mice-through-induction-of-mucosal-regulatory-t-cells
#15
Paola L Smaldini, Fernando Trejo, José L Cohen, Eliane Piaggio, Guillermo H Docena
Therapeutic tolerance restoration has been proven to modify food allergy in patients and animal models and although sublingual immunotherapy (SLIT) has showed promise, combined therapy may be necessary to achieve a strong and long-term tolerance. In this work, we combined SLIT with systemic administration of IL-2 associated with an anti-IL-2 monoclonal antibody (IL-2/anti-IL-2Ab complex or IL-2C) to reverse the IgE-mediated experimental allergy. Balb/c mice were sensitized with cholera toxin and milk proteins and orally challenged with allergen to elicit hypersensitivity reactions...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29317734/combined-sep-and-anti-pd-l1-antibody-produces-a-synergistic-antitumor-effect-in-b16-f10-melanoma-bearing-mice
#16
Zhengping Hu, Liang Ye, Yingying Xing, Jinhang Hu, Tao Xi
The increased PD-L1 induces poorer prognosis in melanoma. The treatment with PD-1/PD-L1 antibodies have a low response rate. The combination immunotherapies are the encouraging drug development strategy to receive maximal therapeutic benefit. In this study, we investigated the enhanced antitumor and immunomodulatory activity of combined SEP and αPD-L1 in B16-F10 melanoma-bearing mice. The results shown that combined SEP and αPD-L1 presented significant synergistic antitumor effects, increased the frequency of CD8+ and CD4+ T cells in spleen and tumor, cytotoxic activity of CTL in spleen, and IL-2 and IFN-γ levels in splenocytes and tumor...
January 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29317300/mesenchymal-stem-cells-therapy-protects-fetuses-from-resorption-and-induces-th2-type-cytokines-profile-in-abortion-prone-mouse-model
#17
Amir Salek Farrokhi, Amir-Hassan Zarnani, Seyed Mohammad Moazzeni
The imbalance of Th1/Th2 cytokines is well known in recurrent spontaneous abortion (RSA) mouse model. Mesenchymal stem cells (MSCs) possess potent immunoregulatory properties that could modulate the Th1 cytokine responses in benefit of Th2 types. In this study, we aimed to analyze the local and systemic balance of Th1/Th2 cytokines following MSCs therapy. Syngeneic adipose derived MSCs were administered to abortion prone mice during the implantation window. The abortion rate was determined and IL-4, IL-6, IL-12, IL-2, IFN-γ and GM-CSF gene expression was evaluated by Real-Time-PCR in decidual and placental tissues of pregnant mice at day 13...
January 6, 2018: Transplant Immunology
https://www.readbyqxmd.com/read/29315824/cytokine-secreting-microparticles-engineer-the-fate-and-the-effector-functions-of-t-cells
#18
Fatemeh S Majedi, Mohammad Mahdi Hasani-Sadrabadi, Yoko Kidani, Timothy J Thauland, Alireza Moshaverinia, Manish J Butte, Steven J Bensinger, Louis-S Bouchard
T-cell immunotherapy is a promising approach for cancer, infection, and autoimmune diseases. However, significant challenges hamper its therapeutic potential, including insufficient activation, delivery, and clonal expansion of T-cells into the tumor environment. To facilitate T-cell activation and differentiation in vitro, core-shell microparticles are developed for sustained delivery of cytokines. These particles are enriched by heparin to enable a steady release of interleukin-2 (IL-2), the major T-cell growth factor, over 10+ d...
January 8, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29315094/cd19-chimeric-antigen-receptor-t-cells-from-patients-with-chronic-lymphocytic-leukemia-display-an-elevated-ifn-%C3%AE-production-profile
#19
Isabelle Magalhaes, Ingrid Kalland, James N Kochenderfer, Anders Österborg, Michael Uhlin, Jonas Mattsson
CD19 chimeric antigen receptor (CAR) T cell immunotherapy has demonstrated dramatic results for the treatment of B cell malignancies such as chronic lymphocytic leukemia (CLL). As T cell defects are common in patients with CLL, we compared the T cells from these patients with healthy donors (HDs), and subsequently the CD19 CAR T cells produced from patients and HDs. Despite initial differences when comparing the phenotype of circulating T cells in patients with CLL and HDs, the CD19 CAR T cells manufactured from patients' or HDs' cells showed a similar phenotype (effector memory or terminally differentiated), both were specifically activated by and killed CD19 target cells, and secreted cytokines (ie, IL-2, TNF, and IFN-γ)...
January 8, 2018: Journal of Immunotherapy
https://www.readbyqxmd.com/read/29314720/correlation-of-april-with-production-of-inflammatory-cytokines-during-acute-malaria-in-the-brazilian-amazon
#20
Raquel A Pinna, Adriana C Dos Santos, Daiana S Perce-da-Silva, Luciene A da Silva, Rodrigo N R da Silva, Marcelo R Alves, Fátima Santos, Joseli de Oliveira Ferreira, Josué C Lima-Junior, Déa M Villa-Verde, Paula M De Luca, Carla E Carvalho-Pinto, Dalma M Banic
INTRODUCTION: A proliferation-inducing ligand (APRIL) and B cell activation factor (BAFF) are known to play a significant role in the pathogenesis of several diseases, including BAFF in malaria. The aim of this study was to investigate whether APRIL and BAFF plasma concentrations could be part of inflammatory responses associated with P. vivax and P. falciparum malaria in patients from the Brazilian Amazon. METHODS: Blood samples were obtained from P. vivax and P...
January 3, 2018: Immunity, Inflammation and Disease
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