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https://www.readbyqxmd.com/read/28741710/il-33-expanded-human-v%C3%AE-9v%C3%AE-2-t-cells-have-anti-lymphoma-effect-in-a-mouse-tumor-model
#1
Caroline Duault, Delphine Betous, Christine Bezombes, Stéphane Roga, Corinne Cayrol, Jean-Philippe Girard, Jean-Jacques Fournié, Mary Poupot
From several years, the anticancer effects of Vγ9 T lymphocytes make these cells good candidates for cancer immunotherapies. However, the proved efficacy of γδ Τ cell-based cancer immunotherapies in some clinical trials was minimized due to the inherent toxicity of IL-2, which is essential for the combination therapy with Phosphoantigen (PAg). Recently, we showed that IL-33, a γ chain receptor-independent cytokine, was able to induce the in vitro proliferation of PAg-activated Vγ9 T cells, which were fully functional expressing IFN-γ and TNF-α and showing in vitro anti-tumor cytotoxicity...
July 25, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28731540/participation-of-osteoclastogenic-factors-in-immunopathogenesis-of-human-chronic-periapical-lesions
#2
S C L T Santos, L A Couto, J M Fonseca, F C A Xavier, A C L Figueiredo, V S Freitas, R A Freitas, J N Santos, A C G Henriques
BACKGROUND: Chronic periapical lesions (CPLs) are common lesions of the oral cavity and are the result of caries, tooth fracture, iatrogenic causes or factors causing contamination and pulp necrosis. Inflammatory cells participate in the expansion of CPLs by releasing factors that stimulate or inhibit osteolytic activity. The objective of this study was to investigate the participation of RANKL, TNF-α, cathepsin K, IL-33 and OPG in the development of radicular cysts (RCs) and periapical granulomas (PGs)...
July 21, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28730605/contributions-of-interleukin-33-and-tslp-in-a-papain-soaked-contact-lens-induced-mouse-conjunctival-inflammation-model
#3
Jobu Sugita, Yosuke Asada, Waka Ishida, Satoshi Iwamoto, Katsuko Sudo, Hajime Suto, Toru Matsunaga, Ken Fukuda, Atsuki Fukushima, Norihiko Yokoi, Tatsukuni Ohno, Miyuki Azuma, Nobuyuki Ebihara, Hirohisa Saito, Masato Kubo, Susumu Nakae, Akira Matsuda
INTRODUCTION: Pathological changes of severe chronic allergic conjunctivitis are driven not only via acquired immunity but also via innate immunity. Type 2 immune response-initiating cytokines may play some roles as innate immunity-dependent components of the ocular surface inflammation. To investigate the involvement of type 2 immune response-initiating cytokines in innate immunity-dependent, papain-induced conjunctival inflammation model using IL-25-, IL-33-, and TSLP receptor (TSLPR)-knockout (KO) mice with reference to basophils and ILC2...
July 20, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28725984/cytokine-expression-and-barrier-disruption-in-human-corneal-epithelial-cells-induced-by-alarmin-released-from-necrotic-cells
#4
Ken Fukuda, Waka Ishida, Yusaku Miura, Tatsuma Kishimoto, Atsuki Fukushima
PURPOSE: Dying cells release endogenous molecules known as alarmins that signal danger to surrounding tissue. We investigated the effects of necrotic cell-derived alarmins on cytokine expression and barrier function in human corneal epithelial cells. METHODS: The release of interleukin (IL)-6 and IL-8 from immortalized human corneal epithelial (HCE) cells in culture was measured with enzyme-linked immunosorbent assays. The abundance of IL-6 and 8 mRNAs was quantitated by reverse transcription and real-time polymerase chain reaction analysis...
July 19, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28718914/reduced-numbers-of-circulating-group-2-innate-lymphoid-cells-in-patients-with-common-variable-immunodeficiency
#5
Christoph B Geier, Sophie Kraupp, David Bra, Martha M Eibl, Jocelyn R Farmer, Krisztian Csomos, Jolan E Walter, Hermann M Wolf
Recent studies identified an emerging role of group 2 and 3 innate lymphoid cells (ILCs) as key players in the generation of T-dependent and T-independent antibody production. In this retrospective case-control study CD117(+) ILCs (including the majority of ILC2 and ILC3) were reduced in patients with common variable immunodeficiency (CVID). The reduction in CD117(+) ILCs was distinctive to CVID and could not be observed in patients with X linked agammaglobulinemia (XLA). Patients with a more pronounced reduction in CD117(+) ILC numbers showed significantly lower numbers of peripheral MZ-like B cells and an increased prevalence of chronic, non-infectious enteropathy...
July 18, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28715472/a-novel-isoform-of-il-33-revealed-by-screening-for-transposable-element-promoted-genes-in-human-colorectal-cancer
#6
Frances E Lock, Artem Babaian, Ying Zhang, Liane Gagnier, Sabrina Kuah, Antonia Weberling, Mohammad M Karimi, Dixie L Mager
Remnants of ancient transposable elements (TEs) are abundant in mammalian genomes. These sequences contain multiple regulatory motifs and hence are capable of influencing expression of host genes. TEs are known to be released from epigenetic repression and can become transcriptionally active in cancer. Such activation could also lead to lineage-inappropriate activation of oncogenes, as previously described in lymphomas. However, there are few reports of this mechanism occurring in non-blood cancers. Here, we re-analyzed whole transcriptome data from a large cohort of patients with colon cancer, compared to matched normal colon control samples, to detect genes or transcripts ectopically expressed through activation of TE promoters...
2017: PloS One
https://www.readbyqxmd.com/read/28712670/production-and-regulation-of-interleukin-1-family-cytokines-at-the-materno-fetal-interface
#7
Louis M Scott, Aled H Bryant, April Rees, Billy Down, Ruth H Jones, Catherine A Thornton
IL-1 family members regulate innate immune responses, are produced by gestation-associated tissues, and have a role in healthy and adverse pregnancy outcomes. To better understand their role at the materno-fetal interface we used a human tissue explant model to map lipopolysaccharide (LPS)-stimulated production of IL-1α, IL-1β, IL-18, IL-33, IL-1Ra, IL-18BPa, ST2 and IL-1RAcP by placenta, choriodecidua and amnion. Caspase-dependent processing of IL-1α, IL-1β, IL-18, and IL-33 and the ability of IL-1α, IL-1β, IL-18, and IL-33 to regulate the production of IL-1RA, IL-18BPa, ST2 and IL-1RAcP was also determined...
July 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28710436/epithelial-derived-il-33-promotes-intestinal-tumorigenesis-in-apc-min-mice
#8
Zhengxiang He, Lili Chen, Fabricio O Souto, Claudia Canasto-Chibuque, Gerold Bongers, Madhura Deshpande, Noam Harpaz, Huaibin M Ko, Kevin Kelley, Glaucia C Furtado, Sergio A Lira
Increased expression of Interleukin (IL)-33 has been detected in intestinal samples of patients with ulcerative colitis, a condition associated with increased risk for colon cancer, but its role in the development of colorectal cancer has yet to be fully examined. Here, we investigated the role of epithelial expressed IL-33 during development of intestinal tumors. IL-33 expression was detected in epithelial cells in colorectal cancer specimens and in the Apc (Min/+) mice. To better understand the role of epithelial-derived IL-33 in the intestinal tumorigenesis, we generated transgenic mice expressing IL-33 in intestinal epithelial cells (V33 mice)...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28709622/genipin-protects-d-galactosamine-and-lipopolysaccharide-induced-hepatic-injury-through-suppression-of-the-necroptosis-mediated-inflammasome-signaling
#9
Min-Jong Seo, Jeong-Min Hong, Seok-Joo Kim, Sun-Mee Lee
Acute liver failure (ALF) is a life-threatening syndrome resulting from massive inflammation and hepatocyte death. Necroptosis, a programmed cell death controlled by receptor-interacting protein kinase (RIP) 1 and RIP3, has been shown to play an important role in regulating inflammation via crosstalk between other intracellular signaling. The inflammasome is a major intracellular multiprotein that induces inflammatory responses by mediating immune cell infiltration, thus potentiating injury. Genipin, a major active compound of the gardenia fruit, exhibits anti-inflammatory, antioxidant, and anti-apoptotic properties...
July 11, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28705588/elevated-uric-acid-and-adenosine-triphosphate-concentrations-in-bronchoalveolar-lavage-fluid-of-eosinophilic-pneumonia
#10
Takehito Kobayashi, Kazuyuki Nakagome, Toru Noguchi, Kiyoko Kobayashi, Yutaka Ueda, Tomoyuki Soma, Kenji Ikebuchi, Hidetomo Nakamoto, Makoto Nagata
BACKGROUND: Recent evidence has suggested that the innate immune response may play a role in the development of eosinophilic airway inflammation. We previously reported that uric acid (UA) and adenosine triphosphate (ATP), two important damage-associated molecular pattern molecules (DAMPs), activate eosinophil functions, suggesting that these molecules may be involved in the development of eosinophilic airway inflammation. The objective of this study was to measure the concentrations of DAMPs including UA and ATP in the bronchoalveolar lavage fluid (BALF) of patients with eosinophilic pneumonia (EP)...
July 10, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28702024/full-length-interleukin-33-aggravates-radiation-induced-skin-reaction
#11
Olga Kurow, Benjamin Frey, Louis Schuster, Verena Schmitt, Susanne Adam, Madelaine Hahn, Derek Gilchrist, Iain B McInnes, Stefan Wirtz, Udo S Gaipl, Gerhard Krönke, Georg Schett, Silke Frey, Axel J Hueber
The interleukin (IL)-1 family member IL-33 has been described as intracellular alarmin with broad roles in wound healing, skin inflammation but also autoimmunity. Its dichotomy between full length (fl) IL-33 and the mature (m) form of IL-33 and its release by necrosis is still not fully understood. Here, we compare functional consequences of both forms in the skin in vivo, and therefore generated two lines of transgenic mice which selectively overexpress mmIL-33 and flmIL-33 in basal keratinocytes. Transgene mRNA was expressed at high level in skin of both lines but not in organs due to the specific K14 promoter...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28701507/the-innate-cytokines-il-25-il-33-and-tslp-cooperate-in-the-induction-of-type-2-innate-lymphoid-cell-expansion-and-mucous-metaplasia-in-rhinovirus-infected-immature-mice
#12
Mingyuan Han, Charu Rajput, Jun Y Hong, Jing Lei, Joanna L Hinde, Qian Wu, J Kelley Bentley, Marc B Hershenson
Early-life respiratory viral infection is a risk factor for asthma development. Rhinovirus (RV) infection of 6-d-old mice, but not mature mice, causes mucous metaplasia and airway hyperresponsiveness that are associated with the expansion of lung type 2 innate lymphoid cells (ILC2s) and are dependent on IL-13 and the innate cytokine IL-25. However, contributions of the other innate cytokines, IL-33 and thymic stromal lymphopoietin (TSLP), to the observed asthma-like phenotype have not been examined. We reasoned that IL-33 and TSLP expression are also induced by RV infection in immature mice and are required for maximum ILC2 expansion and mucous metaplasia...
July 12, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28697404/il-33-improves-wound-healing-through-enhanced-m2-macrophage-polarization-in-diabetic-mice
#13
Rongguo He, Hui Yin, Baohong Yuan, Tao Liu, Li Luo, Ping Huang, Liangcheng Dai, Kang Zeng
IL-33 is a newly discovered member of the IL-1 family and has been identified as a potent inducer of Th2 type immunity. Emerging evidence imply that IL-33 may also act as an alarm to alert the immune system when released by epithelial barrier tissues during trauma or infection. In this study, we further investigate the potential efficacy of IL-33 on dermal wound healing in streptozotocin-induced diabetic mice. A full-thickness skin wound was generated on the back of diabetic mice and treated with IL-33 or vehicle topically...
July 8, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28694659/induction-of-chronic-cholestasis-without-liver-cirrhosis-creation-of-an-animal-model
#14
Felix Dondorf, René Fahrner, Michael Ardelt, Eleonora Patsenker, Felix Stickel, Uta Dahmen, Utz Settmacher, Falk Rauchfuß
AIM: To analyze time intervals of inflammation and regeneration in a cholestatic rat liver model. METHODS: In 36 Lewis rats, divided into six groups of 6 animals (postoperative observation periods: 1, 2, 3, 4, 6, 8 wk), the main bile duct was ligated with two ligatures and observed for the periods mentioned above. For laboratory evaluation, cholestasis parameters (bilirubin, γ-GT), liver cell parameters (ASAT, ALAT) and liver synthesis parameters (quick, albumin) were determined...
June 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28690328/il-33-a-jack-of-all-trades-in-the-orchestration-of-respiratory-antibacterial-immunity
#15
Julia D Boehme, Dunja Bruder
No abstract text is available yet for this article.
July 10, 2017: Cellular & Molecular Immunology
https://www.readbyqxmd.com/read/28689020/ferulic-acid-supresses-th2-immune-response-and-prevents-remodeling-in-ovalbumin-induced-pulmonary-allergy-associated-with-inhibition-of-epithelial-derived-cytokines
#16
Alessa Sin Singer Brugiolo, Ana Cláudia Carvalho Gouveia, Caio César de Souza Alves, Flávia Márcia de Castro E Silva, Érick Esteves de Oliveira, Ana Paula Ferreira
Asthma is characterized by intermittent airway obstruction and chronic inflammation, orchestrated primarily by Th2 cytokines. There is a strong rationale for developing new asthma therapies, since current treatment protocols present side effects and may not be effective in cases of difficult-to-control asthma. The purpose of this study was to evaluate the effect of ferulic acid, a phenolic acid commonly present in plants, in the ovalbumin-induced pulmonary allergy murine model. METHODS: BALB/c mice were sensitized and challenged with ovalbumin, and treatments were provided by gavage...
July 5, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28687373/il-33-and-the-intestine-the-good-the-bad-and-the-inflammatory
#17
REVIEW
Zerina Hodzic, Ellen Merrick Schill, Alexa M Bolock, Misty Good
Interleukin-33 (IL-33) is a member of the IL-1 cytokine family that has been widely studied since its discovery in 2005 for its dichotomous functions in homeostasis and inflammation. IL-33, along with its receptor suppression of tumorigenicity 2 (ST2), has been shown to modulate both the innate and adaptive immune system. Originally, the IL-33/ST2 signaling axis was studied in the context of inducing type 2 immune responses with the expression of ST2 by T helper 2 (TH2) cells. However, the role of IL-33 is not limited to TH2 responses...
July 4, 2017: Cytokine
https://www.readbyqxmd.com/read/28685525/mast-cell-pro-inflammatory-and-anti-inflammatory-jekyll-and-hyde-the-story-continues
#18
P Conti, Al Caraffa, S K Kritas, G Ronconi, G Lessiani, E Toniato, T C Theoharides
IL-1 family members include inflammatory and anti-inflammatory cytokines. They can be beneficial or detrimental, not only in cancer, but also in inflammatory conditions. Mast cells (MCs) originate from CD34+/CD117+/CD13+ pluripotent hematopoietic stem cells, express c-Kit receptor (c-Kit-R), which regulates the proliferation and sustain the survival, differentiation and maturation of MCs. They are immune cells involved in innate and adaptive immunity, allergy, autoimmunity, cancer and inflammation. MCs along with T cells and macrophages release interleukin (IL)-10, which is a pleiotropic immunoregulatory cytokine with multiple biological effects...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28684329/house-dust-mite-increases-pro-th2-cytokines-il-25-and-il-33-via-the-activation-of-tlr1-6-signaling
#19
Yong Hyun Jang, Jin Kyeong Choi, Meiling Jin, Young-Ae Choi, Zae Young Ryoo, Hyun-Shik Lee, Pil-Hoon Park, Sun-Uk Kim, Taeg Kyu Kwon, Myoung Ho Jang, Sin-Hyeog Im, Sun Young Moon, Weon Ju Lee, Seok-Jong Lee, Do Won Kim, Sang-Hyun Kim
House dust mite (HDM) has been implicated in the etiology and exacerbation of atopic dermatitis (AD). Diverse factors contribute to HDM allergenicity through the activation of innate immunity. We investigated whether Dermatophagoides farinae extract (DFE) allergens mediate innate immune activation through specific Toll-like receptors (TLRs) in epidermal keratinocytes, DFE-induced murine AD model and human AD lesions. DFE activated the expression of TLR1, TLR6, interleukin (IL)-25, and IL-33 in human primary keratinocytes and HaCaT cells...
July 3, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28682426/effect-of-pm2-5-mediated-oxidative-stress-on-the-innate-immune-cellular-response-of-der-p1-treated-human-bronchial-epithelial-cells
#20
Z-J Bao, Y-M Fan, Y-F Cui, Y-F Sheng, M Zhu
OBJECTIVE: To investigate the effect of stimulation of Human Bronchial Epithelial Cells (HBEC) by Der p1 and PM2.5 on the expression of innate immune cell factors to find new therapeutic targets for treatment of bronchial asthma. MATERIALS AND METHODS: The Der p1 antigen exposure model in the HEBC line, 16HBE-14o, was established in vitro. PM2.5 at a concentration of 50 µM/cm2, was added to these cells for 0.5 h, 1 h, 2 h and 3 h. Cells were treated with the following reagents for the indicated times: 300 ng/mL Der p1 for 21 h, 50 µM/cm2 PM2...
June 2017: European Review for Medical and Pharmacological Sciences
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