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IL 25 receptor

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https://www.readbyqxmd.com/read/29238954/il-25-is-involved-in-ctcl-progression-by-establishing-th2-dominant-microenvironment
#1
R Nakajima, T Miyagaki, T Oka, N Takahashi, M Hirakawa, H Suga, A Yoshizaki, H Fujita, Y Asano, M Sugaya, S Sato
BACKGROUND: Interleukin (IL)-25 is a member of the IL-17 family which can promote and augment T-helper type (Th) 2 responses. The expression of IL-25 and its cognate receptor, IL-25 receptor (IL-25R), is upregulated and correlated with disease activity in Th2-associated diseases. OBJECTIVE: To examine the expression and function of IL-25 in cutaneous T-cell lymphoma (CTCL). METHODS: Expression and localization of IL-25 in lesional skin was investigated using immunohistochemistry...
December 13, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/29228829/vanadium-pentoxide-increased-pten-and-decreased-shp1-expression-in-nk-92mi-cells-affecting-pi3k-akt-mtor-and-ras-mapk-pathways
#2
Francisco Gallardo-Vera, Miguel Tapia-Rodriguez, Daniel Diaz, Teresa Fortoul van der Goes, Luis F Montaño, Erika P Rendón-Huerta
Vanadium is an air pollutant that imparts immunosuppressive effects on NK cell immune responses, in part, by dysregulating interleukin (IL)-2/IL-2R-mediated JAK signaling pathways and inducing apoptosis. The aim of the present study was to evaluate effects of vanadium pentoxide (V2O5) on other IL-2 receptor-mediated signaling pathways, i.e. PI3K-AKT-mTOR and Ras-MAPK. Here, IL-2-independent NK-92MI cells were exposed to different V2O5 doses for 24 h periods. Expression of PI3K, Akt, mTOR, ERK1/2, MEK1, PTEN, SHP1, BAD and phosphorylated forms, as well as caspases-3, -8, -9, BAX and BAK in/on the cells were then determined by flow cytometry...
December 2018: Journal of Immunotoxicology
https://www.readbyqxmd.com/read/29217133/pge2-suppresses-human-group-2-innate-lymphoid-cell-function
#3
Jovana Maric, Avinash Ravindran, Luca Mazzurana, Åsa K Björklund, Aline Van Acker, Anna Rao, Danielle Friberg, Sven-Erik Dahlén, Akos Heinemann, Viktoria Konya, Jenny Mjösberg
BACKGROUND: Group 2 innate lymphoid cells (ILC2) are involved in the initial phase of type 2 inflammation and can amplify allergic immune responses by orchestrating other type 2 immune cells. PGE2 is a bioactive lipid that plays protective roles in the lung, particularly during allergic inflammation. OBJECTIVE: We set out to investigate how PGE2 regulates human ILC2 function. METHODS: The effects of PGE2 on human ILC2 proliferation, intracellular cytokine and transcription factor expression were assessed by flow cytometry...
December 4, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29207939/tocilizumab-for-the-management-of-immune-mediated-adverse-events-secondary-to-pd-1-blockade
#4
Chipman Rg Stroud, Aparna Hegde, Cynthia Cherry, Abdul R Naqash, Nitika Sharma, Srikala Addepalli, Sulochana Cherukuri, Teresa Parent, Jessica Hardin, Paul Walker
Background Immune checkpoint inhibitors are poised to revolutionize the management of a growing number of malignancies. Unfortunately, the management of steroid-refractory immune mediated adverse events is based on a paucity of randomized data and limited to single center experiences. Our initial experience with the IL-6 receptor antagonist tocilizumab showed clinical improvement in a wide variety of irAEs. As a result, we adopted the use of tocilizumab for the management of steroid refractory irAEs. Methods The character and clinical course of irAEs were abstracted from the medical record and analyzed...
January 1, 2017: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/29201026/th17-cell-frequency-in-peripheral-blood-is-elevated-in-overweight-children-without-chronic-inflammatory-diseases
#5
Theresa Isabell Schindler, Johanna-Josophina Wagner, Sybelle Goedicke-Fritz, Tobias Rogosch, Verena Coccejus, Verena Laudenbach, Wilfried Nikolaizik, Christoph Härtel, Rolf Felix Maier, Sebastian Kerzel, Michael Zemlin
Background: The prevalence of obesity has dramatically increased in children in the last few decades and is associated with chronic inflammatory diseases. Fat tissue produces IL-6 and TNF-α, which are stimuli for TH17 cell differentiation. These cells are characterized by expression of the transcription factor receptor-related orphan receptor C (RORC) and by IL-17A production. In murine models, obesity has been linked with elevated TH17 cell frequencies. The aim of this study was to explore whether being overweight was associated with an elevated frequency of circulating TH17 cells or elevated messenger RNA (mRNA)-levels of IL-17A and RORC in children without chronic inflammatory diseases...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29196961/%C3%AE-7-nachr-activation-has-an-opposite-effect-on-healing-of-covered-and-uncovered-wounds
#6
Jiao-Yong Li, Shu-Kun Jiang, Lin-Lin Wang, Meng-Zhou Zhang, Shuai Wang, Zhen-Fei Jiang, Yu-Li Liu, Hao Cheng, Miao Zhang, Rui Zhao, Da-Wei Guan
The α7 nicotinic acetylcholine receptor (α7-nAChR) is associated with inflammation, re-epithelialization, and angiogenesis in wound healing process. A recent study demonstrated that PNU-282987, a selective agonist of α7-nAChR, accelerates the repair of diabetic excisional wounds. Whether α7-nAChR activation promotes non-diabetic wounds healing is unknown. The aim of this study was to evaluate the effects of α7-nAChR activation on non-diabetic wound healing. The effects were evaluated in two wound models...
December 1, 2017: Inflammation
https://www.readbyqxmd.com/read/29195493/adiponectin-biomarkers-of-inflammation-and-changes-in-cardiac-autonomic-function-whitehall-ii-study
#7
Christian Stevns Hansen, Dorte Vistisen, Marit Eika Jørgensen, Daniel R Witte, Eric J Brunner, Adam G Tabák, Mika Kivimäki, Michael Roden, Marek Malik, Christian Herder
BACKGROUND: Biomarkers of inflammation and adiponectin are associated with cardiovascular autonomic neuropathy (CAN) in cross-sectional studies, but prospective data are scarce. This study aimed to assess the associations of biomarkers of subclinical inflammation and adiponectin with subsequent changes in heart rate (HR) and heart rate variability (HRV) in non-diabetic and diabetic individuals. METHODS: Data are based on up to 25,050 person-examinations for 8469 study participants of the Whitehall II cohort study...
December 1, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/29186865/role-of-vitamin-d-in-maintaining-renal-epithelial-barrier-function-in-uremic-conditions
#8
Milos Mihajlovic, Michele Fedecostante, Miriam J Oost, Sonja K P Steenhuis, Eef G W M Lentjes, Inge Maitimu-Smeele, Manoe J Janssen, Luuk B Hilbrands, Rosalinde Masereeuw
As current kidney replacement therapies are not efficient enough for end-stage renal disease (ESRD) treatment, a bioartificial kidney (BAK) device, based on conditionally immortalized human proximal tubule epithelial cells (ciPTEC), could represent an attractive solution. The active transport activity of such a system was recently demonstrated. In addition, endocrine functions of the cells, such as vitamin D activation, are relevant. The organic anion transporter 1 (OAT-1) overexpressing ciPTEC line presented 1α-hydroxylase (CYP27B1), 24-hydroxylase (CYP24A1) and vitamin D receptor (VDR), responsible for vitamin D activation, degradation and function, respectively...
November 26, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29183760/th17-pathway-in-recent-onset-autoimmune-diabetes
#9
Jéssica Pereira Fores, Lindiane Gomes Crisostomo, Noemia Mie Orii, Aritania Sousa Santos, Rosa Tsuneshiro Fukui, Sergio R Matioli, Dewton de Moraes Vasconcelos, Maria Elizabeth Rossi da Silva
AIMS: Evaluate the participation of IL-17 pathway in T1D pathogenesis. T helper 17 cells are potent, highly inflammatory cells that produce interleukin 17A (IL-17A), considered a mediator of various immune disorders. However, their role in Type 1 diabetes (T1D) pathogenesis in humans is not totally elucidated. METHODS: The expression of IL-17 Receptor A (IL-17RA) in peripheral T lymphocytes and IL-17A serum levels in recent-onset patients with T1D were compared with healthy controls...
November 15, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/29174415/neuroinflammation-induced-by-amyloid-%C3%AE-25-35-modifies-mucin-type-o-glycosylation-in-the-rat-s-hippocampus
#10
Ivan Ramos-Martinez, Pamela Martínez-Loustalot, Liliana Lozano, Tarik Issad, Daniel Limón, Alfonso Díaz, Armando Perez-Torres, Jorge Guevara, Edgar Zenteno
Amyloid-β (Aβ) plays a relevant role in the neurodegenerative process of Alzheimer's disease (AD). The 25-35 peptide of amyloid-β (Aβ25-35) induces the inflammatory response in brain experimental models. Mucin-type O-glycosylation has been associated with inflammation of brain tissues in AD, thus in this work, we aimed at identifying changes in the glycosylation profile generated by the injection of Aβ25-35 into the CA1 of the hippocampus of rats, using histochemistry with lectins. Our results indicate that 100μM Aβ25-35 induce increased recognition of the Amaranthus leucocarpus lectin (ALL) (specific for Galβ1,3-GalNAcα1,0-Ser/Thr); whereas concanavalin A (Con A) (specific for α-Man) showed no differences among treated and control groups of rats...
November 21, 2017: Neuropeptides
https://www.readbyqxmd.com/read/29171142/interleukin-6-regulates-expression-of-fos-and-jun-genes-to-affect-the-development-of-mouse-preimplantation-embryos
#11
Chunhua Yu, Xinyan Zhang, Li Wang, Yinan Liu, Na Li, Min Li, Li Chen, Yingyu Liu, Yuanqing Yao
AIM: We investigated whether recombinant mouse interleukin-6 (IL-6) affects the development of preimplantation embryos and induces the -signal transducers and activators of transcription (JAK-STAT) signaling pathway by binding IL-6 signal transducer (IL-6st) and regulating Fos and Jun gene expression, thereby accounting for the negative effect of superovulation on embryo development. METHODS: We compared rates of blastocyst formation from embryos cultured with different concentrations of IL-6 or/and anti-interleukin 6 receptor antibody (anti-IL-6RAb) in superovulated experimental and normal control groups...
November 24, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29160122/reduced-soluble-toll-like-receptors-2-in-type-2-diabetes
#12
Emanuela Zaharieva, Tsvetelina Velikova, Adelina Tsakova, Zdravko Kamenov
BACKGROUND: Soluble forms of Toll-like receptors (sTLR) 2 and 4 exert negative regulatory control on membrane-bound receptor activation. The study estimates the sTLR2 and sTLR4's serum levels in type 2 diabetes (T2D) and evaluates their relationship with metabolic and inflammatory parameters. SUBJECTS AND METHODS: Sixty three patients with T2D and 25 controls were enrolled. sTLR were assayed through ELISA. Inflammatory markers included Interleukin 6 (IL-6), high sensitivity C-reactive protein (hs-CRP) and tumour necrosis factor α...
November 21, 2017: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/29157803/iridoid-glycosides-fraction-from-picrorhiza-kurroa-attenuates-cyclophosphamide-induced-renal-toxicity-and-peripheral-neuropathy-via-ppar-%C3%AE-mediated-inhibition-of-inflammation-and-apoptosis
#13
Supriya Sharma, Pallavi Sharma, Pankaj Kulurkar, Damanpreet Singh, Dinesh Kumar, Vikram Patial
BACKGROUND: Picrorhiza kurroa Royle (Scrophulariaceae) is an important medicinal herb being widely used in variety of ailments. PURPOSE: The present study was envisaged to evaluate the effects of iridoid glycosides enriched fraction (IGs) from Picrorhiza kurroa rhizome against cyclophosphamide (CP) -induced renal toxicity and peripheral neuropathy. METHODS: Mice in different groups were pretreated with 25, 50 and 100 mg/kg; p.o. doses of IGs for 21 days, followed by cyclophosphamide intoxication for consecutive two days...
December 1, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29142418/marantodes-pumilum-blume-kuntze-inhibited-secretion-of-lipopolysaccharide-and-monosodium-urate-crystal-stimulated-cytokines-and-plasma-prostaglandin-e2
#14
Eldiza Puji Rahmi, Jamia Azdina Jamal, Endang Kumolosasi, Juriyati Jalil, Nor-Ashila Aladdin
Background: Marantodes pumilum is traditionally used for dysentery, gonorrhea, and sickness in the bones. Previous studies revealed its antibacterial and xanthine oxidase inhibitory activities. Objective: To evaluate the inhibitory effects of three M. pumilum varieties on the secretion of lipopolysaccharide (LPS)- and monosodium urate crystal (MSU)-induced cytokines and plasma prostaglandin E2 (PGE2) in vitro. Materials and Methods: The leaves and roots of M...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29136779/juglanin-ameliorates-lps-induced-neuroinflammation-in-animal-models-of-parkinson-s-disease-and-cell-culture-via-inactivating-tlr4-nf-%C3%AE%C2%BAb-pathway
#15
Fang-Xue Zhang, Ren-Shi Xu
Parkinson's disease (PD) is a common neuro-degenerative disorder, and novel therapeutic targets are required for the treatment of PD. Juglanin is a natural compound extracted from the crude Polygonum aviculare, exhibiting anti-inflammatory, anti-oxidant and anti-cancer activities. In our study, PD in mice was induced by systemic LPS treatment as evidenced by enhanced α-synuclein and reduced tyrosine hydroxylase (TH), which were reversed by juglanin treatment. Moreover, juglanin administration attenuated LPS-caused behavioral and memory impairments and reduced LPS-induced enhancement of neuro-degenerative markers, including amyloid β (Aβ) and p-Tau...
November 7, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29128556/pro-140-monoclonal-antibody-to-ccr5-prevents-acute-xenogeneic-graft-versus-host-disease-in-nod-scid-il-2ry-null-mice
#16
Denis R Burger, Yvonne Parker, Kathryn Guinta, Daniel Lindner
Graft-versus-Host Disease (GvHD) is a prevalent and potentially lethal complication of hematopoietic stem cell transplantation (HSCT). Humanized mouse models of xenogeneic-GvHD are important tools used to study the human immune response in vivo. Here we used NOD-scid IL-2Ry(null) mice (NSG) transplanted with human bone marrow stem cells to evaluate the role of immune cell engraftment in the production of acute GvHD. PRO 140, a humanized monoclonal antibody targeting the chemokine receptor, CCR5, was used to evaluate its influence on bone marrow cell engraftment and modulation of acute GvHD...
November 8, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29123466/neuroprotective-effect-of-%C3%AE-caryophyllene-on-cerebral-ischemia-reperfusion-injury-via-regulation-of-necroptotic-neuronal-death-and-inflammation-in-vivo-and-in-vitro
#17
Mei Yang, Yongjiu Lv, Xiaocui Tian, Jie Lou, Ruidi An, Qian Zhang, Minghang Li, Lu Xu, Zhi Dong
Necrotic cell death is a hallmark feature of ischemic stroke and it may facilitate inflammation by releasing intracellular components after cell-membrane rupture. Previous studies reported that β-caryophyllene (BCP) mitigates cerebral ischemia-reperfusion (I/R) injury, but the underlying mechanism remains unclear. We explored whether BCP exerts a neuroprotective effect in cerebral I/R injury through inhibiting necroptotic cell death and inflammation. Primary neurons with and without BCP (0.2, 1, 5, 25 μM) treatment were exposed to oxygen-glucose deprivation and re-oxygenation (OGD/R)...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29115568/radical-scavenging-linked-anti-adipogenic-activity-of-alnus-firma-extracts
#18
Sun-Il Choi, Jong Seok Lee, Sarah Lee, Jin-Ha Lee, Hee-Sun Yang, Joohong Yeo, Jong-Yea Kim, Boo-Yong Lee, Il-Jun Kang, Ok-Hwan Lee
The purpose of the present study was to investigate the antioxidant activity and anti-adipogenic effect of extracts from Alnus firma (A. firma), which is an edible plant that grows in mountainous areas. The total phenolic, flavonoid and anthocyanin content as well as the antioxidant activity of a 70% ethanolic extract of A. firma (AFE) was assessed. Furthermore, the effects of AFE on lipid accumulation and reactive oxygen species (ROS) production during adipogenesis of 3T3-L1 cells were investigated. The results revealed that the total phenolic, flavonoid and pro-anthocyanidin content of AFE as 436...
October 27, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29112629/maximal-exercise-alters-the-inflammatory-phenotype-and-response-of-mononuclear-cells
#19
Aaron L Slusher, Tiffany M Zúñiga, Edmund O Acevedo
PURPOSE: Monocytes express the CD14 receptor that facilitates lipopolysaccharide (LPS) ligation to toll-like receptor 4 (TLR4) to elicit production of interleukin (IL)-6, IL-10, and tumor necrosis factor alpha (TNF-α). However, pro-inflammatory conditions, such as strenuous exercise, increase the percentage of monocytes expressing CD16, a receptor that enhances LPS stimulated TNF-α production. Therefore, we examined whether maximal treadmill exercise would alter the inflammatory phenotype of classical (CD14/CD16) and pro-inflammatory monocytes (intermediate [CD14/CD16] and non-classical [CD14/CD16]), evidenced by changes in TLR4, CD14, and CD16 receptor expression, and their inflammatory response to ex vivo LPS stimulation...
November 6, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29110708/co-expression-of-1%C3%AE-hydroxylase-and-vitamin-d-receptor-in-human-articular-chondrocytes
#20
Ann Kristin Hansen, Yngve Figenschau, Inigo Zubiaurre-Martinez
BACKGROUND: The aim was to investigate whether resident chondrocytes in human articular cartilage and in subculture express vitamin D receptor (VDR) and the enzyme that hydroxylates the prohormone 25(OH)D3 to the active hormone 1α,25(OH)2D3, namely 1α-hydroxylase (CYP27B1). Any putative effects of vitamin D on chondrocytes were also explored. METHODS: Cartilage from human osteoarthritic knee joints, cultured chondrocytes and cells grown in 3D spheroids were examined for the expression of VDR and 1α-hydroxylase by PCR, Western blots and immunolabelling...
November 6, 2017: BMC Musculoskeletal Disorders
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