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Cytokine expression

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https://www.readbyqxmd.com/read/28551889/maternal-magnesium-restriction-elevates-glucocorticoid-stress-and-inflammation-in-the-placenta-and-fetus-of-wnin-rat-dams
#1
Anju Elizabeth Thomas, Padmavathi J N Inagadapa, Sugeetha Jeyapal, Naga Muralidhar Merugu, Rajender Rao Kalashikam, Raghunath Manchala
Magnesium plays a major role in many vital functions in the body. We reported earlier that maternal magnesium restriction altered body composition, fat metabolism, and insulin resistance in WNIN rat offspring and was associated with increased glucocorticoid stress in the offspring in their later life. We hypothesize that increased glucocorticoid stress and inflammation which originate in Mg restricted rat dams is transmitted through placenta to the fetus and underlie the metabolic disturbances in the later life of the offspring...
May 27, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28551624/immunoregulatory-function-of-lymphatic-endothelial-cells-in-tumor-draining-lymph-nodes-of-human-gastric-cancer
#2
Mao Tokumoto, Hiroaki Tanaka, Yukie Tauchi, Tatsuro Tamura, Takahiro Toyokawa, Kenjiro Kimura, Kazuya Muguruma, Masakazu Yashiro, Kiyoshi Maeda, Kosei Hirakawa, Masaichi Ohira
BACKGROUND/AIM: Lymph node metastasis is the most important prognostic factor for patients with gastric cancer. Increasing evidence suggests that lymphatic endothelial cells (LECs) regulate immune responses. The aim of this study was to examine the effect of LECs on the activation of CD4(+) T cells. MATERIALS AND METHODS: We examined the impact of cancer cells on the phenotype and production of cytokines of LECs derived from tumor-draining lymph nodes. RESULTS: We showed that LECs inhibited CD4(+) T cell production of cytokines, such as IL-2, IL-10, and INF-γ...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28551553/pentoxifylline-attenuates-cytokine-stress-and-fas-system-in-syngeneic-liver-proteins-induced-experimental-autoimmune-hepatitis
#3
Nevien Hendawy
BACKGROUND: Apoptosis is a hallmark in the pathogenesis of autoimmune hepatitis (AIH). Cytokine stresses and extrinsic apoptotic pathway have been implicated in this type of hepatic injury. Pentoxifylline plays an important role in controlling inflammation and apoptosis in different autoimmune diseases. AIM: To assess the protective effect of pentoxifylline for 30days against pro-inflammatory cytokines as tumor necrosis factor-alpha (TNF-α), interferon-gamma (INF-γ) and mediators of extrinsic apoptotic pathway involving TNF receptor 1 (TNFR1) and its ligand TNF-α and Fas receptor and its ligand (FasL) in experimental autoimmune hepatitis (EAH) model...
May 25, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28551546/omentin-1-prevents-cartilage-matrix-destruction-by-regulating-matrix-metalloproteinases
#4
Zhigang Li, Baoyi Liu, Dewei Zhao, BenJie Wang, Yupeng Liu, Yao Zhang, Borui Li, Fengde Tian
Matrix metalloproteinases (MMPs) play a crucial role in the degradation of the extracellular matrix and pathological progression of osteoarthritis (OA). Omentin-1 is a newly identified anti-inflammatory adipokine. Little information regarding the protective effects of omentin-1 in OA has been reported before. In the current study, our results indicated that omentin-1 suppressed expression of MMP-1, MMP-3, and MMP-13 induced by the proinflammatory cytokine interleukin-1β (IL-1β) at both the mRNA and protein levels in human chondrocytes...
May 24, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28551321/microrna-driven-deregulation-of-cytokine-expression-helps-development-of-drug-resistance-in-metastatic-melanoma
#5
Luigi Fattore, Andrea Sacconi, Rita Mancini, Gennaro Ciliberto
microRNAs are major components of the eukaryotic post-transcriptional machinery and are frequently deregulated during cancer development. Increasing evidence points to them also as key players in the establishment of drug resistance. In this review, we provide an updated overview of the role of miRNAs in melanoma development and drug resistance and postulate that they are able to drive these processes in concert with deregulation of inflammatory and angiogenic cytokine expression. Notably, we have identified by querying the Cancer Genome Atlas database, a defined set of miRNAs which mostly have an impact on the development of melanoma and have recognized the main downstream pathways controlled by them...
May 17, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/28551094/a-synthetic-peptide-blocking-trpv1-activation-inhibits-uv-induced-skin-responses
#6
So Min Kang, Sangbum Han, Jang-Hee Oh, Young Mee Lee, Chi-Hyun Park, Chang-Yup Shin, Dong Hun Lee, Jin Ho Chung
BACKGROUND: Transient receptor potential type 1 (TRPV1) can be activated by ultraviolet (UV) irradiation, and mediates UV-induced matrix metalloproteinase (MMP)-1 and proinflammatory cytokines in keratinocytes. Various chemicals and compounds targeting TRPV1 activation have been developed, but are not in clinical use mostly due to their safety issues. OBJECTIVE: We aimed to develop a novel TRPV1-targeting peptide to inhibit UV-induced responses in human skin. METHODS: We designed and generated a novel TRPV1 inhibitory peptide (TIP) which mimics the specific site in TRPV1 (aa 701-709: Gln-Arg-Ala-Ile-Thr-Ile-Leu-Asp-Thr, QRAITILDT), Thr(705), and tested its efficacy of blocking UV-induced responses in HaCaT, mouse, and human skin...
May 17, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28551033/the-molecular-signature-of-murine-t-cell-homeostatic-proliferation-reveals-both-inflammatory-and-immune-inhibition-patterns
#7
Karen A Fortner, Jeffrey P Bond, James W Austin, Jeremy M Boss, Ralph C Budd
T lymphocyte homeostatic proliferation, driven by the engagement of T cell antigen receptor with self-peptide/major histocompatibility complexes, and signaling through the common γ-chain-containing cytokine receptors, is critical for the maintenance of the T cell compartment and is regulated by the Fas death receptor (Fas, CD95). In the absence of Fas, Fas-deficient lymphoproliferation spontaneous mutation (lpr) mice accumulate homeostatically expanded T cells. The functional consequences of sequential rounds of homeostatic expansion are not well defined...
May 24, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28550976/cultivation-and-characterization-of-pterygium-as-an-ex-vivo-study-model-for-disease-and-therapy
#8
Natasha Josifovska, Dóra Júlia Szabó, Richárd Nagymihály, Zoltán Veréb, Andrea Facskó, Ketil Eriksen, Morten C Moe, Goran Petrovski
PURPOSE: Development of ex vivo model to study pathogenesis, inflammation and treatment modalities for pterygium. METHODS: Pterygium obtained from surgery was cultivated (3 months). Gravitational attachment method using viscoelastic facilitated adherence of graft and outgrowing cells. Medium contained serum as the only growth supplement with no use of scaffolds. Surface profiling of the multi-layered cells for hematopoietic- and mesenchymal stem cell markers was performed...
May 24, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28550901/protective-effect-of-hemopexin-on-systemic-inflammation-and-acute-lung-injury-in-an-endotoxemia-model
#9
Jae Yun Jung, Young Ho Kwak, Ikwan Chang, Woon Yong Kwon, Gil Joon Suh, Dongyoul Choi
BACKGROUND: Hemopexin (HPX) has been identified as an anti-inflammatory agent, but its role in endotoxemia is unclear. The purpose of this study was to determine whether HPX suppresses systemic and lung inflammation in a mouse model of endotoxemia. MATERIALS AND METHODS: At 30 min of intraperitoneal administration of lipopolysaccharide (LPS; 10 mg/kg), either distilled water (LPS-only treated animals) or HPX (5 mg/kg) was injected into mice via the tail vein, and the survival rates were analyzed after 36 h...
May 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28550734/pterostilbene-alleviates-polymicrobial-sepsis-induced-liver-injury-possible-role-of-sirt1-signaling
#10
Xiaojing Liu, Xueliang Yang, Lingna Han, Feng Ye, Min Liu, Wanhu Fan, Kai Zhang, Ying Kong, Jian Zhang, Lei Shi, Yunru Chen, Xi Zhang, Shumei Lin
Liver injury occurs frequently during sepsis. Pterostilbene (Pte), a natural dimethylated analog of resveratrol from blueberries, exerts anti-inflammatory and anti-apoptotic effects in various diseases. However, the role of Pte in sepsis-induced liver injury and its underlying mechanisms remain unknown. The current study aimed to evaluate the protective effects of Pte on sepsis-induced liver injury and its potential mechanisms. Sepsis was induced using cecal ligation and puncture (CLP) in C57BL/6 mice. Mice were administered Pte (5, 10, 15mg/kg, i...
May 24, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28550659/hyperoxia-provokes-a-time-and-dose-dependent-inflammatory-response-in-mechanically-ventilated-mice-irrespective-of-tidal-volumes
#11
Hendrik J F Helmerhorst, Laura R A Schouten, Gerry T M Wagenaar, Nicole P Juffermans, Joris J T H Roelofs, Marcus J Schultz, Evert de Jonge, David J van Westerloo
BACKGROUND: Mechanical ventilation and hyperoxia have the potential to independently promote lung injury and inflammation. Our purpose was to study both time- and dose-dependent effects of supplemental oxygen in an experimental model of mechanically ventilated mice. METHODS: Healthy male C57Bl/6J mice, aged 9-10 weeks, were intraperitoneally anesthetized and randomly assigned to the mechanically ventilated group or the control group. In total, 100 mice were tracheotomized and mechanically ventilated for either 8 or 12 h after allocation to different settings for the applied fractions of inspired oxygen (FiO2, 30, 50, or 90%) and tidal volumes (7...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28550626/combination-breast-cancer-chemotherapy-with-doxorubicin-and-cyclophosphamide-damages-bone-and-bone-marrow-in-a-female-rat-model
#12
Chiaming Fan, Kristen R Georgiou, Howard A Morris, Ross A McKinnon, Dorothy M K Keefe, Peter R Howe, Cory J Xian
PURPOSE: Anthracyclines (including doxorubicin) are still the backbone of commonly used breast cancer chemotherapy regimens. Despite increasing use of doxorubicin and cyclophosphamide (AC) combinations for treating breast cancer, their potential to cause adverse skeletal effects remains unclear. METHODS: This study examined the effects of treatments with the AC regimen on bone and bone marrow in adult female rats. RESULTS: AC treatment for four cycles (weekly intravenous injection of 2 mg/kg doxorubicin and 20 mg/kg cyclophosphamide) resulted in a reduced volume of trabecular bone at the metaphysis, which was associated with reduced serum levels of 25-hydroxy vitamin D3 and alkaline phosphatase...
May 26, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28550307/therapeutic-effects-of-matrine-derivate-masm-in-mice-with-collagen-induced-arthritis-and-on-fibroblast-like-synoviocytes
#13
Yuming Zou, Quan Li, Denghui Liu, Jia Li, Qing Cai, Chao Li, Qingjie Zhao, Weidong Xu
MASM is a matrine derivate that exhibits a number of pharmacological effects, including immunosuppressive activity and anti-inflammatory properties. In this study, the mechanisms underlying the therapeutic efficacy of MASM in the treatment of rheumatoid arthritis were investigated using DBA/1 mice with collagen-induced arthritis (CIA) and fibroblast-like synoviocytes derived from rheumatoid arthritis patients (RA-FLS). We demonstrated that MASM markedly attenuated the severity of arthritis in CIA mice. The therapeutic effects were associated with ameliorated joint swelling and reduced bone erosion and destruction...
May 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28550203/socs1-is-a-key-molecule-that-prevents-regulatory-t-cell-plasticity-under-inflammatory-conditions
#14
Reiko Takahashi, Hiroko Nakatsukasa, Shunichi Shiozawa, Akihiko Yoshimura
We previously showed that regulatory T cells (Tregs) from T cell-specific Socs1-deficient mice (Socs1(fl/fl)Lck-Cre(+) mice) easily convert into Th1- or Th17-like cells (ex-Tregs), which lose Foxp3 expression and suppressive functions in vivo. Because Tregs in Socs1(fl/fl)Lck-Cre(+) mice are constantly exposed to a large amount of inflammatory cytokines produced by non-Tregs in vivo, in this study we analyzed Treg-specific Socs1-deficient mice (Socs1(fl/fl)Foxp3(YFP-Cre) mice). These mice developed dermatitis, splenomegaly, and lymphadenopathy that were much milder than those in Socs1(fl/fl)Lck-Cre(+) mice...
May 26, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28550198/host-derived-cd70-suppresses-murine-graft-versus-host-disease-by-limiting-donor-t-cell-expansion-and-effector-function
#15
Nicholas D Leigh, Rachel E O'Neill, Wei Du, Chuan Chen, Jingxin Qiu, Jonathan D Ashwell, Philip L McCarthy, George L Chen, Xuefang Cao
Allogeneic hematopoietic cell transplantation (allo-HCT) is a potentially curative treatment for hematologic and immunologic diseases. However, graft-versus-host disease (GVHD) may develop when donor-derived T cells recognize and damage genetically distinct normal host tissues. In addition to TCR signaling, costimulatory pathways are involved in T cell activation. CD27 is a TNFR family member expressed on T cells, and its ligand, CD70, is expressed on APCs. The CD27/CD70 costimulatory pathway was shown to be critical for T cell function and survival in viral infection models...
May 26, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28550196/il-6-signaling-regulates-small-intestinal-crypt-homeostasis
#16
Victoria Jeffery, Andrew J Goldson, Jack R Dainty, Marcello Chieppa, Anastasia Sobolewski
Gut homeostasis is a tightly regulated process requiring finely tuned complex interactions between different cell types, growth factors, or cytokines and their receptors. Previous work has implicated a role for IL-6 and mucosal immune cells in intestinal regeneration following injury and in promoting inflammation and cancer. We hypothesized that IL-6 signaling could also modulate crypt homeostasis. Using mouse in vitro crypt organoid and in vivo models, this study first demonstrated that exogenous IL-6 promoted crypt organoid proliferation and increased stem cell numbers through pSTAT3 activation in Paneth cells...
May 26, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28550117/comparative-exploration-of-multidimensional-flow-cytometry-software-a-model-approach-evaluating-t-cell-polyfunctional-behavior
#17
Timothy T Spear, Michael I Nishimura, Patricia E Simms
Advancement in flow cytometry reagents and instrumentation has allowed for simultaneous analysis of large numbers of lineage/functional immune cell markers. Highly complex datasets generated by polychromatic flow cytometry require proper analytical software to answer investigators' questions. A problem among many investigators and flow cytometry Shared Resource Laboratories (SRLs), including our own, is a lack of access to a flow cytometry-knowledgeable bioinformatics team, making it difficult to learn and choose appropriate analysis tool(s)...
May 26, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28550091/transgenic-expression-of-il15-improves-antiglioma-activity-of-il13ralpha2-car-t-cells-but-results-in-antigen-loss-variants
#18
Giedre Krenciute, Brooke L Prinzing, Zhongzhen Yi, Meng-Fen Wu, Hao Liu, Gianpietro Dotti, Irina V Balyasnikova, Stephen Gottschalk
Glioblastoma (GBM) is the most aggressive primary brain tumor in adults and is virtually incurable with conventional therapies. Immunotherapy with T cells expressing GBM-specific chimeric antigen receptors (CARs) is an attractive approach to improve outcomes. Although CAR T cells targeting GBM antigens such as IL13Ralpha2 (interleukin 13 Receptor Subunit Alpha 2), HER2 (human epidermal growth factor receptor 2), and EGFRvIII (epidermal growth factor receptor variant III) have had antitumor activity in preclinical models, early phase clinical testing has demonstrated limited antiglioma activity...
May 26, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28550044/t-cells-lacking-hdac11-have-increased-effector-functions-and-mediate-enhanced-alloreactivity-in-a-murine-model
#19
David M Woods, Karrune V Woan, Fengdong Cheng, Andressa L Sodré, Dapeng Wang, Yongxia Wu, Zi Wang, Jie Chen, John Powers, Javier Pinilla-Ibarz, Yu Yu, Ya Zhang, Xuefeng Wu, Xiaoyan Zheng, Jeffrey Weber, Wayne Hancock, Edward Seto, Alejandro Villagra, Xue-Zhong Yu, Eduardo M Sotomayor
Histone acetylation and the families of enzymes responsible for controlling these epigenetic marks have been implicated in regulating T-cell maturation and phenotype. Here, we demonstrate a previously undefined role of histone deacetylase 11 (HDAC11) in regulating T-cell effector functions. Using EGFP-HDAC11 transgenic reporter mice, we found that HDAC11 expression was lower in effector relative to naïve and central memory T-cell populations, and activation of resting T-cells resulted in its decreased expression...
May 26, 2017: Blood
https://www.readbyqxmd.com/read/28549991/pancreatic-derived-factor-impaired-glucagon-like-peptide-1-production-from-glutag-enterendorine-l-cell-line-and-intestines
#20
Fenghua Lai, Yan Chen, Huimei Lin, Xuelan Wang, Xiaonan Zhu, Yanbing Li, Haipeng Xiao, Xiaopei Cao
PURPOSE: Pancreatic-derived factor (PANDER) is a pancreatic islet-specific cytokine that co-secretes with insulin. However, its biological function remains largely unknown. We have recently shown that the intestine might be its novel target tissue. The aim of this study was to clarify whether PANDER impacts the production of glucagon-like peptide-1 (GLP-1). METHODS: We treated GLUTag cells from the mouse intestine L cell line with recombinant PANDER protein and hepatic overexpression of PANDER in an obese murine model...
May 23, 2017: Molecular and Cellular Endocrinology
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