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https://www.readbyqxmd.com/read/28339915/the-effect-of-feed-supplementation-with-zakarpacki-zeolite-clinoptilolite-on-percentages-of-t-and-b-lymphocytes-and-cytokine-concentrations-in-poultry
#1
Lukasz Jarosz, Dagmara Stepien-Pysniak, Zbigniew Gradzki, Malgorzata Kapica, Agata Gacek
The available literature lacks information on the effect of Zakarpacki zeolite (clinoptilolite) on the immune system of poultry. Therefore, the aim of this study was to determine the effect of this zeolite on selected indicators of the immune response in poultry by evaluating the expression of cluster of differentiation ( ) surface molecules on T and B lymphocytes and the concentration of IL-2 and IL-10 in the blood. Ninety one-day-old Ross 308 broiler chicks were used in the study. The birds were divided into 3 groups of 30 each...
March 2, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339013/immunological-effects-of-occupational-exposure-to-lead-review
#2
Concettina Fenga, Silvia Gangemi, Valentina Di Salvatore, Luca Falzone, Massimo Libra
It is well-known that occupational and environmental exposure to several factors, including benzene, heavy metals, chemicals and mineral fibers, is associated with the risk of developing a great number of diseases. Numerous studies have been carried out in order to investigate the mechanisms of toxicity of these substances, with particular regard to the possible toxic effects on the immune system. However, little is known about the influence of heavy metals, such as lead, on the immune system in human populations...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28338179/effect-of-dexmedetomidine-on-immune-function-of-patients-undergoing-radical-mastectomy-a-double-blind-and-placebo-control-study
#3
X-H Yang, Q Bai, M-M Lv, H-G Fu, T-L Dong, Z Zhou
OBJECTIVE: To observe and evaluate the effect of dexmedetomidine on the perioperative immune function of patients undergoing a radical mastectomy. PATIENTS AND METHODS: 124 patients undergoing radical mastectomy were divided into the observation group (treated with dexmedetomidine) and the control group (treated with saline) by randomized digital table and double blinded and randomized design. 10 min before anesthesia induction, the patients in the observation group were injected with dexmedetomidine 0...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28337196/salmonella-typhi-porins-ompc-and-ompf-are-potent-adjuvants-for-t-dependent-and-t-independent-antigens
#4
Marisol Pérez-Toledo, Nuriban Valero-Pacheco, Rodolfo Pastelin-Palacios, Cristina Gil-Cruz, Christian Perez-Shibayama, Mario A Moreno-Eutimio, Ingeborg Becker, Sonia Mayra Pérez-Tapia, Lourdes Arriaga-Pizano, Adam F Cunningham, Armando Isibasi, Laura C Bonifaz, Constantino López-Macías
Several microbial components, such as bacterial DNA and flagellin, have been used as experimental vaccine adjuvants because of their inherent capacity to efficiently activate innate immune responses. Likewise, our previous work has shown that the major Salmonella Typhi (S. Typhi) outer membrane proteins OmpC and OmpF (porins) are highly immunogenic protective antigens that efficiently stimulate innate and adaptive immune responses in the absence of exogenous adjuvants. Moreover, S. Typhi porins induce the expression of costimulatory molecules on antigen-presenting cells through toll-like receptor canonical signaling pathways...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28336871/magnetic-nanovectors-for-the-development-of-dna-blood-stage-malaria-vaccines
#5
Fatin M Nawwab Al-Deen, Sue D Xiang, Charles Ma, Kirsty Wilson, Ross L Coppel, Cordelia Selomulya, Magdalena Plebanski
DNA vaccines offer cost, flexibility, and stability advantages, but administered alone have limited immunogenicity. Previously, we identified optimal configurations of magnetic vectors comprising superparamagnetic iron oxide nanoparticles (SPIONs), polyethylenimine (PEI), and hyaluronic acid (HA) to deliver malaria DNA encoding Plasmodium yoelii (Py) merozoite surface protein MSP119 (SPIONs/PEI/DNA + HA gene complex) to dendritic cells and transfect them with high efficiency in vitro. Herein, we evaluate their immunogenicity in vivo by administering these potential vaccine complexes into BALB/c mice...
February 10, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28336414/ccr6-th-cells-in-the-cerebrospinal-fluid-of-persons-with-multiple-sclerosis-are-dominated-by-pathogenic-non-classic-th1-cells-and-gm-csf-only-secreting-th-cells
#6
S M Restorick, L Durant, S Kalra, G Hassan-Smith, E Rathbone, M R Douglas, S J Curnow
Considerable attention has been given to CCR6(+) IL-17-secreting CD4(+) T cells (Th17) in the pathology of a number of autoimmune diseases including multiple sclerosis (MS). However, other Th subsets also play important pathogenic roles, including those that secrete IFNγ and GM-CSF. CCR6 expression by Th17 cells allows their migration across the choroid plexus into the cerebrospinal fluid (CSF), where they are involved in the early phase of experimental autoimmune encephalomyelitis (EAE), and in MS these cells are elevated in the CSF during relapses and contain high frequencies of autoreactive cells...
March 20, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28336310/regulatory-role-of-ccl5-rs2280789-and-cxcl10-rs56061981-gene-polymorphisms-on-intracellular-ccl5-and-cxcl10-expression-in-pulmonary-tuberculosis
#7
Brijendra Singh, Selvaraj Anbalagan, Paramasivam Selvaraj
Genetic variations in chemokine genes influence the chemoattractive properties of T cells which may be associated with outcome of infections. In present study, we have investigated the regulatory role played by In1.1T/C (rs2280789) polymorphism of CCL5 and -135G/A (rs56061981) polymorphism of CXCL10 gene on intracellular CCL5 and CXCL10 expression in T cells. Whole blood cell cultures were stimulated with culture filtrate antigen (CFA) and infected with live M. tuberculosis were used for intracellular CCL5 and CXCL10 expression using flow cytometry...
March 21, 2017: Human Immunology
https://www.readbyqxmd.com/read/28335781/tailored-design-of-nkt-stimulatory-glycolipids-for-polarization-of-immune-responses
#8
REVIEW
Jung-Tung Hung, Jing-Rong Huang, Alice L Yu
Natural killer T (NKT) cell is a distinct population of T lymphocytes that can rapidly release massive amount of Th1 and Th2 cytokines upon the engagement of their T cell receptor with glycolipids presented by CD1d. The secreted cytokines can promote cell-mediated immunity to kill tumor cells and intracellular pathogens, or suppress autoreactive immune cells in autoimmune diseases. Thus, NKT cell is an attractive target for developing new therapeutics to manipulate immune system. The best-known glycolipid to activate NKT cells is α-galactosylceramide (α-GalCer), which has been used as a prototype for designing new NKT stimulatory glycolipids...
March 23, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28333145/the-cryo-thermal-therapy-eradicated-melanoma-in-mice-by-eliciting-cd4-t-cell-mediated-antitumor-memory-immune-response
#9
Kun He, Ping Liu, Lisa X Xu
Tumor metastasis is a major concern in tumor therapy. In our previous studies, a novel tumor therapeutic modality of the cryo-thermal therapy has been presented, highlighting its effect on the suppression of distal metastasis and leading to long-term survival in 4T1 murine mammary carcinoma model. To demonstrate the therapeutic efficacy in other aggressive tumor models and further investigate the mechanism of long-term survival induced, in this study, spontaneous metastatic murine B16F10 melanoma model was used...
March 23, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28332200/immunoregulation-of-inflammatory-and-inhibitory-cytokines-by-vitamin-d3-in-patients-with-inflammatory-bowel-diseases-ibd
#10
REVIEW
Hussaini Mohammed Alhassan, Abbas Mirshafiey, Homayoun Vahedi, Gholamreza Hemmasi, Ateke Moussavi Nasl Khameneh, Karim Parastouei, Ali Akbar Saboor-Yaraghi
Inflammatory bowel disease (IBD) is a group of idiopathic, chronic and relapsing inflammatory conditions of the gastrointestinal tract, caused by an aberrant and exaggerated immunological response in the gut. Supplementation of Vitamin D3 in IBD patients exerts both direct and indirect regulatory roles on the naïve T-cells, thereby maintaining a balance between inflammatory and inhibitory cytokines. The direct actions of Vitamin D3 on naïve T-cells result in the proliferation of more regulatory T-cells and inhibitory cytokines such as IL-4, IL-10, and IL-5...
March 22, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28331616/ex-vivo-akt-inhibition-promotes-the-generation-of-potent-cd19car-t-cells-for-adoptive-immunotherapy
#11
Ryan Urak, Miriam Walter, Laura Lim, ChingLam W Wong, Lihua E Budde, Sandra Thomas, Stephen J Forman, Xiuli Wang
BACKGROUND: Insufficient persistence and effector function of chimeric antigen receptor (CAR)-redirected T cells have been challenging issues for adoptive T cell therapy. Generating potent CAR T cells is of increasing importance in the field. Studies have demonstrated the importance of the Akt pathway in the regulation of T cell differentiation and memory formation. We now investigate whether inhibition of Akt signaling during ex vivo expansion of CAR T cells can promote the generation of CAR T cells with enhanced antitumor activity following adoptive therapy in a murine leukemia xenograft model...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28331303/soluble-common-gamma-chain-exacerbates-copd-progress-through-the-regulation-of-inflammatory-t-cell-response-in-mice
#12
Byunghyuk Lee, Eunhee Ko, Jiyeon Lee, Yuna Jo, Hyunju Hwang, Tae Sik Goh, Myungsoo Joo, Changwan Hong
Cigarette smoking (CS) is a major cause of considerable morbidity and mortality by inducing lung cancer and COPD. COPD, a smoking-related disorder, is closely related to the alteration of immune system and inflammatory processes that are specifically mediated by T cells. Soluble common gamma chain (sγc) has recently been identified as a critical regulator of the development and differentiation of T cells. We examined the effects of sγc in a cigarette smoke extract (CSE) mouse model. The sγc level in CSE mice serum is significantly downregulated, and the cellularity of lymph node (LN) is systemically reduced in the CSE group...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28327534/the-anti-allergic-rhinitis-effect-of-traditional-chinese-medicine-of-shenqi-by-regulating-mast-cell-degranulation-and-th1-th2-cytokine-balance
#13
Yang-Yang Shao, Yi-Ming Zhou, Min Hu, Jin-Ze Li, Cheng-Juan Chen, Yong-Jiang Wang, Xiao-Yun Shi, Wen-Jie Wang, Tian-Tai Zhang
Shenqi is a traditional Chinese polyherbal medicine has been widely used for the treatment of allergic rhinitis (AR). The aim of this study was to investigate the anti-allergic rhinitis activity of Shenqi and explore its underlying molecular mechanism. Ovalbumin (OVA)-induced allergic rhinitis rat model was used to evaluate the anti-allergic rhinitis effect of Shenqi. The effect of Shenqi on IgE-mediated degranulation was measured using rat basophilic leukemia (RBL-2H3) cells. Primary spleen lymphocytes were isolated to investigate the anti-allergic mechanism of Shenqi by detecting the expression of transcription factors via Western blot and the level of cytokines (IL-4 and IFN-γ) via ELISA...
March 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28326743/dopamine-receptors-modulate-t-lymphocytes-via-inhibition-of-camp-creb-signaling-pathway
#14
(no author information available yet)
OBJECTIVES: We have previously reported that dopamine D2-like receptors including D2, D3 and D4 receptors are more important in mediating modulation of T cells than dopamine D1-like receptors (D1 and D5 receptors). Here we aimed to clarify the role of D2-like receptors in regulation of differentiation and function of T lymphocyte subsets, including helper T (Th)1, Th2, Th17 and regulatory T (Treg) cells. METHODS: Lymphocytes, separated from the mesenteric lymph nodes of mice, were stimulated with concanavalin A (Con A) and treated with the D2-like receptor agonist quinpirole or the antagonist haloperidol...
December 22, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28326458/vitamin-e-rich-nanoemulsion-enhances-the-antitumor-efficacy-of-low-dose-paclitaxel-by-driving-th1-immune-response
#15
Jun Ye, Wujun Dong, Yanfang Yang, Huazhen Hao, Hengfeng Liao, Bangyuan Wang, Xue Han, Yiqun Jin, Xuejun Xia, Yuling Liu
PURPOSE: To overcome the drawbacks of high dose regimen and improve the outcomes of chemotherapy at a low dose, an immunotherapeutic nanoemulsion based combination of chemotherapeutic agent (paclitaxel) with immunomodulatory agent (vitamin E) was developed and evaluated for their antitumor effect against breast cancer. METHODS: A total of five nanoemulsions loaded with various content of vitamin E were prepared and characterized. The immunoregulatory effects of vitamin E along with the overall antitumor efficacy of vitamin E-rich nanoemulsion with a low dose of paclitaxel were investigated through in vitro and in vivo experiments...
March 21, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28326063/lactobacillus-reuteri-surface-mucus-adhesins-upregulate-inflammatory-responses-through-interactions-with-innate-c-type-lectin-receptors
#16
Krisztián P Bene, Devon W Kavanaugh, Charlotte Leclaire, Allan P Gunning, Donald A MacKenzie, Alexandra Wittmann, Ian D Young, Norihito Kawasaki, Eva Rajnavolgyi, Nathalie Juge
The vertebrate gut symbiont Lactobacillus reuteri exhibits strain-specific adhesion and health-promoting properties. Here, we investigated the role of the mucus adhesins, CmbA and MUB, upon interaction of L. reuteri ATCC PTA 6475 and ATCC 53608 strains with human monocyte-derived dendritic cells (moDCs). We showed that mucus adhesins increased the capacity of L. reuteri strains to interact with moDCs and promoted phagocytosis. Our data also indicated that mucus adhesins mediate anti- and pro-inflammatory effects by the induction of interleukin-10 (IL-10), tumor necrosis factor alpha (TNF-α), IL-1β, IL-6, and IL-12 cytokines...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28325574/decoy-receptor-3-analogous-supplement-protects-steatotic-rat-liver-from-ischemia-reperfusion-injury
#17
Tzu-Hao Li, Chih-Wei Liu, Pei-Chang Lee, Chia-Chang Huang, Kuei-Chuan Lee, Yun-Cheng Hsieh, Ying-Ying Yang, Shie-Liang Hsieh, Han-Chieh Lin, Chang-Youh Tsai
BACKGROUND: For steatotic livers, pharmacological approaches to minimize the hepatic neutrophil and macrophage infiltration, and cytokine and chemokine release in ischemia-reperfusion (IR) injury are still limited. Tumor necrosis factor (TNF)-α superfamily-stimulated pathogenic cascades and M1 macrophage/Kupffer cells (KC) polarization from Th1 cytokines are important in the pathogenesis of IR liver injury with hepatic steatosis (HS). Conversely, anti-inflammatory M2 macrophages produce Th2 cytokine (interleukin-4), which reciprocally enhances M2 polarization...
March 16, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28325219/homeopathy-outperforms-antibiotics-treatment-in-juvenile-scallop-argopecten-ventricosus-effects-on-growth-survival-and-immune-response
#18
José Manuel Mazón-Suástegui, Milagro García-Bernal, Pedro Enrique Saucedo, Ángel Campa-Córdova, Fernando Abasolo-Pacheco
BACKGROUND: Mortality from vibriosis in mollusk production is attributed to pathogenic bacteria, particularly Vibrio alginolyticus. Use of increasingly potent antibiotics has led to bacterial resistance and increased pathogenicity. Alternatives in sanitation, safety, and environmental sustainability are currently under analysis. To-date, homeopathy has been investigated in aquaculture of freshwater fish, but not in marine mollusks. The effect of the homeopathic complexes in the growth, survival, and immune response of the Catarina scallop Argopecten ventricosus were assessed...
February 2017: Homeopathy: the Journal of the Faculty of Homeopathy
https://www.readbyqxmd.com/read/28324830/chitinase-3-like-1-deficient-donor-splenocytes-accentuated-the-pathogenesis-of-acute-graft-versus-host-diseases-through-regulating-t-cell-expansion-and-type-i-inflammation
#19
Zengyao Li, Jian Gu, Jing Liu, Qin Zhu, Hao Lu, Yunjie Lu, Jianhua Rao, Ling Lu, Xuehao Wang
Acute graft-versus-host disease (aGVHD) is a major complication following transplantation, limiting the success of this therapy. Chitinase 3-like-1 (CHI3L1), a member of the glycosyl hydrolase 18 family, plays a critical role in bacterial infections, allergic disease and a variety of malignancies. Here, we investigated whether CHI3L1 could affect the pathogenesis of aGVHD in a mouse allo-HCT model. In this study, we show that CHI3L1 deficiency in donor T cells increased the severity of aGVHD through enhancing systemic and local inflammation...
March 16, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28323387/induction-of-tumor-regression-by-intratumoral-sting-agonists-combined-with-anti-programmed-death-l1-blocking-antibody-in-a-preclinical-squamous-cell-carcinoma-model
#20
Shekhar K Gadkaree, Juan Fu, Rupashree Sen, Michael J Korrer, Clint Allen, Young J Kim
BACKGROUND: Cyclic dinucleotides (CDNs) are bacterial intracellular messengers that have demonstrated antitumor activity in melanoma and breast tumors, although their role in immunotherapy of head and neck squamous cell cancers (HNSCCs) has not been well investigated. METHODS: We measured primary tumor growth rates, mechanism of antitumor activity, and efficacy of programmed death-L1 blockade combinatorial therapy in SCCFVII tumor-bearing C3H/HeOUJ mice undergoing intratumoral injections with RR-cyclic-di-guanine (synthetic CDG), CDG (natural cyclic-di-guanine), R848 (TLR 7/8 agonist), or phosphate buffered saline (PBS, control)...
March 21, 2017: Head & Neck
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