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TH17 T cells

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https://www.readbyqxmd.com/read/29149780/interleukin-37-relieves-allergic-inflammation-in-a-house-dust-mite-allergic-rhinitis-murine-model
#1
Do Hyun Kim, Si Won Kim, Soo Whan Kim, Jun-Myung Kang
The purpose of this study was to investigate the effects of interleukin-37 (IL-37) on a Dermatophagoides farinae (Der f)-induced murine model of allergic rhinitis (AR). BALB/c mice, except the control groups, were sensitized intraperitoneally and challenged intranasally with Der f (Der f group). The IL-37 and IL-37+anti-CD25 groups were administered IL-37 intranasally. The IL-37+anti-CD25 groups were administered anti-CD25 monoclonal antibody intraperitoneally before challenge. Allergic symptoms and the average eosinophil number were counted...
October 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29149778/the-changes-of-th17-treg-and-related-cytokines-il-17-il-23-il-10-and-tgf-%C3%AE-in-respiratory-syncytial-virus-bronchiolitis-rat-model
#2
Meng Gao, Liang-Xiao Liu, Fu-Ling Wu, Xuejing Zhang, Ying-Ying Li, Tao Shi, De-Zhi Li, Ting-Ting Han
Respiratory syncytial virus (RSV) is the leading cause of bronchiolitis and hospitalization that lead to high morbidity and mortality among young infants. T helper 17 (Th17) cells and regulatory T cells (Tregs) play essential roles in the pathogenesis of autoimmune, cancer, and inflammatory diseases. However, whether changes in T-cell subsets are related to the systemic immune responses in RSV-caused bronchiolitis merit further investigation. Three-week-old Sprague Dawley (SD) rats were randomly divided into the normal control (NC) and RSV bronchiolitis (RSV-B) groups...
October 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29149330/s101-an-inhibitor-of-proliferating-t-cells-rescues-mice-from-superantigen-induced-shock
#3
Alexei Shir, Shoshana Klein, Idit Sagiv-Barfi, Tamar Geiger, Maya Zigler, Yael Langut, Nufar Edinger, Alexander Levitzki
Superantigens (SAg) are extremely potent bacterial toxins, which evoke a virulent immune response, inducing non-specific T-cell proliferation, rapid cytokine release and lethal toxic shock, for which there is no effective treatment. We previously developed a small molecule, S101, which potently inhibits proliferating T-cells (Sagiv-Barfi et al, Bioorg Med Chem (2010) 18:6404-6413). In a severe mouse model of toxic shock, a single injection of S101 given together with superantigen challenge, rescued 100% of the mice...
November 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29147614/exploiting-a-new-strategy-to-induce-immunogenic-cell-death-to-improve-dendritic-cell-based-vaccines-for-lymphoma-immunotherapy
#4
B Montico, C Lapenta, M Ravo, D Martorelli, E Muraro, B Zeng, E Comaro, M Spada, S Donati, S M Santini, R Tarallo, G Giurato, F Rizzo, A Weisz, F Belardelli, R Dolcetti, J Dal Col
Although promising, the clinical benefit provided by dendritic cell (DC)-based vaccines is still limited and the choice of the optimal antigen formulation is still an unresolved issue. We have developed a new DC-based vaccination protocol for aggressive and/or refractory lymphomas which combines the unique features of interferon-conditioned DC (IFN-DC) with highly immunogenic tumor cell lysates (TCL) obtained from lymphoma cells undergoing immunogenic cell death. We show that treatment of mantle cell lymphoma (MCL) and diffuse large B-cell lymphoma (DLBCL) cell lines with 9-cis-retinoic acid and IFNα (RA/IFNα) induces early membrane exposure of Calreticulin, HSP70 and 90 together with CD47 down-regulation and enhanced HMGB1 secretion...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29146547/a-gene-module-associated-with-dysregulated-tcr-signaling-pathways-in-cd4-t-cell-subsets-in-rheumatoid-arthritis
#5
Shuji Sumitomo, Yasuo Nagafuchi, Yumi Tsuchida, Haruka Tsuchiya, Mineto Ota, Kazuyoshi Ishigaki, Shinichiro Nakachi, Rika Kato, Keiichi Sakurai, Norio Hanata, Shoko Tateishi, Hiroko Kanda, Akari Suzuki, Yuta Kochi, Keishi Fujio, Kazuhiko Yamamoto
We analyzed the transcriptome of detailed CD4(+) T cell subsets including them after abatacept treatment, and examined the difference among CD4(+) T cell subsets and identified gene sets that are closely associated disease activity and abatacept treatment. Seven CD4(+) T cell subsets (naive, Th1, Th17, Th1/17, nonTh1/17, Tfh and Treg) were sorted from PBMCs taken from 10 RA patients and 10 healthy controls, and three RA patients donated samples before and 6 months after abatacept treatment. Paired-end RNA sequencing was performed using HiSeq 2500...
November 13, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/29145862/l161982-alleviates-collagen-induced-arthritis-in-mice-by-increasing-treg-cells-and-down-regulating-interleukin-17-and-monocyte-chemoattractant-protein-1-levels
#6
Liang Chen, Xianglei Wu, Jun Zhong, Dongqing Li
BACKGROUND: To investigate the effects and potential mechanism of L161982 (a kind of EP4 antagonist) on the collagen-induced arthritis (CIA) mice model. METHODS: The CIA mice model were first established by immunizing with Chicken Type II Collagen on DBA/1 mice. The CIA groups were administered once a day for 2 weeks with either 5 mg/kg L161982 by intraperitoneal injections (IP), 200 U celecoxib by intragastrical injections, or 100 μl PBS (IP). At the end of the study, total arthritis score and histopathologic examination were assessed to determine CIA severity...
November 16, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29143823/salt-responsive-gut-commensal-modulates-th17-axis-and-disease
#7
Nicola Wilck, Mariana G Matus, Sean M Kearney, Scott W Olesen, Kristoffer Forslund, Hendrik Bartolomaeus, Stefanie Haase, Anja Mähler, András Balogh, Lajos Markó, Olga Vvedenskaya, Friedrich H Kleiner, Dmitry Tsvetkov, Lars Klug, Paul I Costea, Shinichi Sunagawa, Lisa Maier, Natalia Rakova, Valentin Schatz, Patrick Neubert, Christian Frätzer, Alexander Krannich, Maik Gollasch, Diana A Grohme, Beatriz F Côrte-Real, Roman G Gerlach, Marijana Basic, Athanasios Typas, Chuan Wu, Jens M Titze, Jonathan Jantsch, Michael Boschmann, Ralf Dechend, Markus Kleinewietfeld, Stefan Kempa, Peer Bork, Ralf A Linker, Eric J Alm, Dominik N Müller
A Western lifestyle with high salt consumption can lead to hypertension and cardiovascular disease. High salt may additionally drive autoimmunity by inducing T helper 17 (TH17) cells, which can also contribute to hypertension. Induction of TH17 cells depends on gut microbiota; however, the effect of salt on the gut microbiome is unknown. Here we show that high salt intake affects the gut microbiome in mice, particularly by depleting Lactobacillus murinus. Consequently, treatment of mice with L. murinus prevented salt-induced aggravation of actively induced experimental autoimmune encephalomyelitis and salt-sensitive hypertension by modulating TH17 cells...
November 15, 2017: Nature
https://www.readbyqxmd.com/read/29142230/unique-transcriptome-signatures-and-gm-csf-expression-in-lymphocytes-from-patients-with-spondyloarthritis
#8
M H Al-Mossawi, L Chen, H Fang, A Ridley, J de Wit, N Yager, A Hammitzsch, I Pulyakhina, B P Fairfax, D Simone, Yao Yi, S Bandyopadhyay, K Doig, R Gundle, B Kendrick, F Powrie, J C Knight, P Bowness
Spondyloarthritis encompasses a group of common inflammatory diseases thought to be driven by IL-17A-secreting type-17 lymphocytes. Here we show increased numbers of GM-CSF-producing CD4 and CD8 lymphocytes in the blood and joints of patients with spondyloarthritis, and increased numbers of IL-17A(+)GM-CSF(+) double-producing CD4, CD8, γδ and NK cells. GM-CSF production in CD4 T cells occurs both independently and in combination with classical Th1 and Th17 cytokines. Type 3 innate lymphoid cells producing predominantly GM-CSF are expanded in synovial tissues from patients with spondyloarthritis...
November 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/29141810/levels-of-peripheral-th17-cells-and-serum-th17-related-cytokines-in-patients-with-multiple-sclerosis-a-meta-analysis
#9
REVIEW
Yu-Feng Li, Sheng-Xiao Zhang, Xiao-Wen Ma, Yu-Long Xue, Chong Gao, Xin-Yi Li
BACKGROUND: Multiple reports have described the proportion of Th17 cells in peripheral blood and serum levels of Th17-related cytokines in patients with multiple sclerosis (MS). To clarify the status of Th17 cells and Th17-related cytokines in MS patients, we did a meta-analysis of the results published previously to assess the levels of peripheral Th17 cells and serum Th17-related cytokines in patients with MS. METHODS: We searched Embase, PubMed, Cochrane, Web of Knowledge, FDA...
November 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29141242/chloroquine-autophagic-inhibition-rebalances-th17-treg-mediated-immunity-and-ameliorates-systemic-lupus-erythematosus
#10
Ning An, Yanwen Chen, Chao Wang, Chen Yang, Zhi-Hong Wu, Jing Xue, Lin Ye, Shujun Wang, Hua-Feng Liu, Qingjun Pan
BACKGROUND: Imbalanced cellular immunity is critical to the pathogenesis of systemic lupus erythematosus (SLE). Recently, autophagy has emerged as a key homeostatic mechanism in T lymphocytes. This study was conducted to explore the impact of autophagy on the Th17/ regulatory T (Treg) immune imbalance in SLE. METHODS: Peripheral Th17 and Treg cells from newly diagnosed patients with SLE and healthy controls were detected by flow cytometry. Additionally, the effects of chloroquine (CQ) autophagic inhibition on the Th17/Treg immune response were investigated in vitro...
November 14, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29140110/il-21-therapy-controls-immune-activation-and-maintains-antiviral-cd8-t-cell-responses-in-acute-simian-immunodeficiency-virus-infection
#11
Gema Méndez-Lagares, Ding Lu, David Merriam, Christopher A Baker, François Villinger, Koen K A Van Rompay, Joseph M McCune, Dennis J Hartigan-O'Connor
Human immunodeficiency virus (HIV) and simian immunodeficiency virus (SIV) replicate during acute infection in lymphocytes of the gastrointestinal tract, before disseminating systemically. Localized replication and associated loss of gut-resident CD4(+) T cells occur regardless of the portal of entry of the virus (e.g., intravenous vs. rectal). Thus, HIV and SIV are tropic for gut tissue, and their pathogenesis requires the special environment of the intestine. T helper 17 (Th17) cells are important contributors to microbial defense in the gut that are vulnerable to HIV infection and whose loss is associated with translocation of microbial products to the systemic circulation, leading to chronic immune activation and disease progression...
November 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/29138509/non-thermal-atmospheric-plasma-ameliorates-imiquimod-induced-psoriasis-like-skin-inflammation-in-mice-through-inhibition-of-immune-responses-and-up-regulation-of-pd-l1-expression
#12
Yun Sang Lee, Myung-Hoon Lee, Hang-Jun Kim, Ho-Ryun Won, Chul-Ho Kim
Plasma medicine is an emerging novel therapeutic field. It has been reported that plasma can kill bacteria, promote wound healing and induce apoptosis of tumor cells. However, the effects of plasma on immune cells and immune related skin diseases have not been well studied. In this study, we demonstrated that non-thermal atmospheric plasma (NTP) treatment could inhibit psoriasis-like skin inflammation in mice. NTP treatment in imiquimod-induced psoriasis-like mouse skin inhibited increases in epithelial cell thickness and expression of pro-inflammatory molecules compared to ones without the NTP treatment...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138505/increased-complement-3a-receptor-is-associated-with-behcet-s-disease-and-vogt-koyanagi-harada-disease
#13
Chaokui Wang, Shuang Cao, Dike Zhang, Hong Li, Aize Kijlstra, Peizeng Yang
Behcet's disease (BD) and Vogt-Koyanagi-Harada disease (VKH) are systemic and recurrent autoimmune diseases associated with abnormal T cell immune response. Complement 3a receptor (C3aR) and complement 5a receptor (C5aR) have been reported to be involved in T cell mediated autoimmune disease. This study aimed to investigate the role of C3aR and C5aR in these two diseases. The C3aR expression in PBMCs was increased in patients with active BD (aBD) and active VKH (aVKH). No statistical difference was found concerning the expression of C5aR in PBMCs between patients with aBD or aVKH and normal controls...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138487/associations-between-th17-related-inflammatory-cytokines-and-asthma-in-adults-a-case-control-study
#14
Ting Zhou, Xiji Huang, Yun Zhou, Jixuan Ma, Min Zhou, Yuewei Liu, Lili Xiao, Jing Yuan, Jungang Xie, Weihong Chen
Chronic airway inflammation is recognized as an essential process in the pathogenesis of asthma. Cytokine profiles derived from immune and inflammation cells such as T-helper (Th) cells, eosinophilia and neutrophilia are not limited to the Th2 type in asthma. However, little is understood about associations between Th2-low inflammatory cytokine profiles and risk of asthma in adults. A case-control study of 910 adult asthma and 881 healthy controls was conducted. Inflammatory cytokines screening was undertaken by high-throughput protein microarray technology, and Th17-related inflammatory cytokines (IL17A, IL-9, adipsin and CCL11) were finally selected...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138469/adoptive-transfer-of-ceramide-synthase-6-deficient-splenocytes-reduces-the-development-of-colitis
#15
Matthew J Scheffel, Kristi Helke, Ping Lu, Jacob S Bowers, Besim Ogretmen, Elizabeth Garrett-Mayer, Chrystal M Paulos, Christina Voelkel-Johnson
Sphingolipids regulate critical cellular processes including inflammation. Ceramide, which serves a central role in sphingolipid metabolism, is generated by six ceramide synthases (CerS) that differ in substrate specificity. CerS6 preferentially generates C16-ceramide and its mRNA is highly expressed in immune tissues. In this study we analyzed how deficiency of CerS6 impacts on the development of colitis using an adoptive transfer model. Adoptive transfer of CerS6-deficient splenocytes, which have significantly decreased levels of C16-ceramide, showed that CerS6-deficiency protected against the development of colitis...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29137886/diesel-exhaust-inhalation-exposure-induces-pulmonary-arterial-hypertension-in-mice
#16
Jing Liu, Xiaoqing Ye, Dapeng Ji, Xiaofei Zhou, Cong Qiu, Weiping Liu, Luyang Yu
Diesel exhaust (DE) is one of the main sources of urban air pollution. An increasing number of evidence showed the association of air pollution with cardiovascular diseases. Pulmonary arterial hypertension (PAH) is one of the most disastrous vascular diseases, which results in right ventricular failure and death. However, the relationship of DE inhalation exposure with PAH is still unknown. In this study, male adult mice were exposed by inhalation to filtered ambient air (negative control), 10% O2 hypoxia (PAH-phenotype positive control), 350 μg/m(3) particulate matter whole DE, or the combination of DE and hypoxic condition...
November 11, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29137353/mesenchymal-stem-cells-inhibit-rank-rankl-interactions-between-osteoclasts-and-th17-cells-via-osteoprotegerin-activity
#17
Kyung-Ah Cho, Minhwa Park, Yu-Hee Kim, Kyung-Ha Ryu, So-Youn Woo
Th17 cells play a critical role in several autoimmune diseases, including psoriasis and psoriatic arthritis (PsA). Psoriasis is a chronic inflammatory skin disease associated with systemic inflammation and comorbidities, such as PsA. PsA develops in nearly 70% of patients with psoriasis, and osteoclasts associated bone erosion is a hallmark of the disease. Thus far, the effect of Th17 cells on osteoclastogenesis via direct cell-to-cell interactions is less understood. In this study, we observed that Th17 cells directly promote osteoclast differentiation and maturation via expression of receptor activator of nuclear factor-κ β ligand (RANKL) in vitro...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29132838/therapeutic-effects-of-diosgenin-in-experimental-autoimmune-encephalomyelitis
#18
Weili Liu, Mei Zhu, Zhongwang Yu, Dou Yin, Fengfeng Lu, Yingyan Pu, Chao Zhao, Cheng He, Li Cao
Multiple sclerosis (MS) is a chronic autoimmune demyelinating disease of the central nervous system. Currently, there is no drug available to cure this kind of disease. Diosgenin is a plant-derived steroid saponin. A previous study in our lab revealed that diosgenin can promote oligodendrocyte progenitor cell differentiation and accelerate remyelination. In the present study, we found that diosgenin dose-dependently alleviated the progression of experimental autoimmune encephalomyelitis with reduced central nervous system inflammation and demyelination...
October 31, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29132135/increased-th1-th17-responses-contribute-to-low-grade-inflammation-in-age-related-macular-degeneration
#19
Jiajia Chen, Wenzhan Wang, Qiuming Li
BACKGROUND/AIMS: Age-related macular degeneration (AMD) is the primary cause of senior blindness in developed countries. Mechanisms underlying initiation and development of AMD remained known. METHODS: We examined the CD4+ T cell compartments and their functions in AMD patients. RESULTS: AMD patients presented significantly higher frequencies of interferon (IFN)-γ-expressing and interleukin (IL)-17-expressing CD4+ T cells than healthy controls...
November 13, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29129787/cd38-nad-axis-regulates-immunotherapeutic-anti-tumor-t-cell-response
#20
Shilpak Chatterjee, Anusara Daenthanasanmak, Paramita Chakraborty, Megan W Wyatt, Payal Dhar, Shanmugam Paneer Selvam, Jianing Fu, Jinyu Zhang, Hung Nguyen, Inhong Kang, Kyle Toth, Mazen Al-Homrani, Mahvash Husain, Gyda Beeson, Lauren Ball, Kristi Helke, Shahid Husain, Elizabeth Garrett-Mayer, Gary Hardiman, Meenal Mehrotra, Michael I Nishimura, Craig C Beeson, Melanie Gubbels Bupp, Jennifer Wu, Besim Ogretmen, Chrystal M Paulos, Jeffery Rathmell, Xue-Zhong Yu, Shikhar Mehrotra
Heightened effector function and prolonged persistence, the key attributes of Th1 and Th17 cells, respectively, are key features of potent anti-tumor T cells. Here, we established ex vivo culture conditions to generate hybrid Th1/17 cells, which persisted long-term in vivo while maintaining their effector function. Using transcriptomics and metabolic profiling approaches, we showed that the enhanced anti-tumor property of Th1/17 cells was dependent on the increased NAD(+)-dependent activity of the histone deacetylase Sirt1...
November 8, 2017: Cell Metabolism
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