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IL-22 binding protein

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https://www.readbyqxmd.com/read/28811323/il-22-induces-reg3%C3%AE-and-inhibits-allergic-inflammation-in-house-dust-mite-induced-asthma-models
#1
Takashi Ito, Koichi Hirose, Aiko Saku, Kenta Kono, Hiroaki Takatori, Tomohiro Tamachi, Yoshiyuki Goto, Jean-Christophe Renauld, Hiroshi Kiyono, Hiroshi Nakajima
Previous studies have shown that IL-22, one of the Th17 cell-related cytokines, plays multiple roles in regulating allergic airway inflammation caused by antigen-specific Th2 cells; however, the underlying mechanism remains unclear. Here, we show that allergic airway inflammation and Th2 and Th17 cytokine production upon intratracheal administration of house dust mite (HDM) extract, a representative allergen, were exacerbated in IL-22-deficient mice. We also found that IL-22 induces Reg3γ production from lung epithelial cells through STAT3 activation and that neutralization of Reg3γ significantly exacerbates HDM-induced eosinophilic airway inflammation and Th2 cytokine induction...
August 15, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28807491/adenosine-a2a-receptor-signaling-affects-il-21-il-22-cytokines-and-gata3-t-bet-transcription-factor-expression-in-cd4-t-cells-from-a-btbr-t-itpr3tf-j-mouse-model-of-autism
#2
Sheikh F Ahmad, Mushtaq A Ansari, Ahmed Nadeem, Saleh A Bakheet, Mashal M Almutairi, Sabry M Attia
Autism is a complex heterogeneous neurodevelopmental disorder; previous studies have identified altered immune responses among individuals diagnosed with autism. An imbalance in the production of pro- and anti-inflammatory cytokines and transcription factors plays a role in neurodevelopmental behavioral and autism disorders. BTBR T(+) Itpr3tf/J (BTBR) mice are used as a model for autism, as they exhibit social deficits, communication deficits, and repetitive behaviors compared with C57BL/6J (B6) mice. The adenosine A2A receptor (A2AR) appears to be a potential target for the improvement of behavioral, inflammatory, immune, and neurological disorders...
August 9, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28770173/oral-administration-of-lactobacillus-rhamnosus-gg-ameliorates-salmonella-infantis-induced-inflammation-in-a-pig-model-via-activation-of-the-il-22bp-il-22-stat3-pathway
#3
Gui-Yan Yang, Jiao Yu, Jin-Hui Su, Lian-Guo Jiao, Xiao Liu, Yao-Hong Zhu
The high rate of Salmonella enterica serovar Infantis (S. Infantis) infection poses significant risk for the development of non-typhoidal Salmonella gastroenteritis. However, efficient strategies to prevent or treat the infection remain elusive. Here, we explored the effect of the probiotic Lactobacillus rhamnosus GG (LGG) administration in preventing S. Infantis infection in a pig model. Probiotic LGG (1.0 × 10(10) CFU/day) was orally administered to newly weaned piglets for 1 week before S. Infantis challenge...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28748852/pretreated-glehnia-littoralis-extract-prevents-neuronal-death-following-transient-global-cerebral-ischemia-through-increases-of-superoxide-dismutase-1-and-brain-derived-neurotrophic-factor-expressions-in-the-gerbil-hippocampal-cornu-ammonis-1-area
#4
Joon Ha Park, Tae-Kyeong Lee, Bing-Chun Yan, Bich-Na Shin, Ji Hyeon Ahn, In Hye Kim, Jeong Hwi Cho, Jae-Chul Lee, In Koo Hwang, Jong Dai Kim, Seongkweon Hong, Young Joo Lee, Moo-Ho Won, Il Jun Kang
BACKGROUND: Glehnia littoralis, as a traditional herbal medicine to heal various health ailments in East Asia, displays various therapeutic properties including antioxidant effects. However, neuroprotective effects of G. littoralis against cerebral ischemic insults have not yet been addressed. Therefore, in this study, we first examined its neuroprotective effects in the hippocampus using a gerbil model of transient global cerebral ischemia (TGCI). METHODS: Gerbils were subjected to TGCI for 5 min...
August 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28736556/ras-signaling-inhibitors-attenuate-disease-in-adjuvant-induced-arthritis-via-targeting-pathogenic-antigen-specific-th17-type-cells
#5
Morad Zayoud, Victoria Marcu-Malina, Einav Vax, Jasmine Jacob-Hirsch, Galit Elad-Sfadia, Iris Barshack, Yoel Kloog, Itamar Goldstein
The Ras family of GTPases plays an important role in signaling nodes downstream to T cell receptor and CD28 activation, potentially lowering the threshold for T-cell receptor activation by autoantigens. Somatic mutation in NRAS or KRAS may cause a rare autoimmune disorder coupled with abnormal expansion of lymphocytes. T cells from rheumatoid arthritis (RA) patients show excessive activation of Ras/MEK/ERK pathway. The small molecule farnesylthiosalicylic acid (FTS) interferes with the interaction between Ras GTPases and their prenyl-binding chaperones to inhibit proper plasma membrane localization...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28636560/lipocalin-2-regulates-intestine-bacterial-survival-by-interplaying-with-siderophore-in-a-weaned-piglet-model-of-escherichia-coli-infection
#6
Bing-Xiu Guo, Qian-Qian Wang, Jia-Hui Li, Zhen-Shun Gan, Xiao-Feng Zhang, Yi-Zhen Wang, Hua-Hua Du
Iron is an essential nutrient that facilitates cell proliferation and growth, which plays a pivotal role in modulating the battle for survival between mammalian hosts and their pathogens. Pathogenic bacteria secrete siderophores to acquire iron from the host. However, lipocalin 2 (Lcn2), a siderophore-binding antimicrobial protein, binds to siderophores to prevent bacterial uptake of iron, which is critical for the control of systemic infection with Escherichia coli (E. coli). But few studies focus on the anti-infective response of Lcn2 in the intestines by inhibiting bacterial proliferation based on microbial iron metabolism...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28627588/il%C3%A2-22-expression-is-increased-variedly-in-the-initial-phase-onset-and-chronic-phase-of-a-pristane%C3%A2-induced-arthritis-rat-model
#7
Weikun Hou, Bo Wang, Yan Zhou, Ke Xu, Liesu Meng, Wenhua Zhu, Congshan Jiang, Peng Xu, Shemin Lu
The aim of the present study was to investigate the expression pattern of T helper (Th) 17 and Th22 cell-related factors in a pristane‑induced arthritis (PIA) rat model. PIA rats were divided into the initial phase group [day (D) 6 post‑pristane injection], the onset of clinical arthritis group (D12), the acute arthritis group (D26) and the chronic arthritis group (D70). Rats injected with saline alone were used as the control group. The mRNA expression levels of interleukin (IL)‑17A, IL‑17F, interferon (IFN)‑γ, IL‑22, IL‑22 receptor (R) 1, IL‑22 binding protein (BP) and RAR‑related orphan receptor α were examined in the spleen and/or synovium of the various phases of PIA rats by reverse transcription‑quantitative polymerase chain reaction analysis...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28612527/-the-effect-of-p-jak1-p-stat3-signaling-way-in-intervening-nafld-by-blueberry-probiotic-serum
#8
Juan-Juan Zhu, Ming-Liang Cheng, Ming-Yu Zhou, Xue-Ke Zhao
OBJECTIVES: To explore the mechanism of interlukin-22 (IL-22)-mediated phosphor-Janus kinase-1(p-JAK1)/phosphor-signal transducer and activator of transcription 3 (p-STAT3) signaling way in the experiment of improving non-alcholic fatty liver disease (NAFLD) by blueberry probiotic serum. METHODS: The rat serums with low-, medium-, and high-dose of 10% blueberry probiotics, as well as saline were prepared. NAFLD model was built by inducing normal liver cell line L-02 with free fatty acid (FFA)...
March 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28602508/cyr61-ccn1-induces-ccl20-production-by-keratinocyte-via-activating-p38-and-jnk-ap-1-pathway-in-psoriasis
#9
Huidan Li, Haichuan Li, Rongfen Huo, Pinru Wu, Zhengyu Shen, Hui Xu, Baihua Shen, Ningli Li
BACKGROUND: Psoriasis is a common chronic skin disease characterized by epidermal hyperplasia and inflammation. Cysteine-rich angiogenic inducer 61 (Cyr61/CCN1) has recently been implicated in psoriasis pathogenesis by promoting keratinocyte activation. However, the mechanisms by which CCN1 enhances cutaneous inflammation are not fully understood. OBJECTIVE: In this study, we investigated the role of CCN1 on the expression of CCL20 in human keratinocyte. METHODS AND RESULTS: By double-label immunofluorescence staining, we first identified that the expression of CCN1 colocalized well with CCL20 production in the epidermis of psoriasis skin lesion...
June 1, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28579463/modified-apple-polysaccharide-prevents-colitis-through-modulating-il-22-and-il-22bp-expression
#10
Yuhua Li, Lei Fan, Tianle Tang, Yuan Tang, Ming Xie, Xiaocong Zeng, Yang Sun, Qibing Mei
Chronic intestinal inflammation enhances cell proliferation, angiogenesis, and migration, then promotes the development of colorectal cancer (CRC). Many ingredients of apples have been proven to have anti-inflammatory properties, and show benefits for colitis treatment. In our previous studies, we found modified apple polysaccharide (MAP) could prevent colitis associated colorectal carcinogenesis effectively. Herein, we further our study to observe the effect of MAP on dextran sodium sulfate (DSS)-induced colitis and to investigate the possible mechanisms...
October 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28512157/il-22bp-dictates-characteristics-of-peyer-s-patch-follicle-associated-epithelium-for-antigen-uptake
#11
Toshi Jinnohara, Takashi Kanaya, Koji Hase, Sayuri Sakakibara, Tamotsu Kato, Naoko Tachibana, Takaharu Sasaki, Yusuke Hashimoto, Toshiro Sato, Hiroshi Watarai, Jun Kunisawa, Naoko Shibata, Ifor R Williams, Hiroshi Kiyono, Hiroshi Ohno
Interleukin-22 (IL-22) acts protectively and harmfully on intestinal tissue depending on the situation; therefore, IL-22 signaling needs to be tightly regulated. IL-22 binding protein (IL-22BP) binds IL-22 to inhibit IL-22 signaling. It is expressed in intestinal and lymphoid tissues, although its precise distribution and roles have remained unclear. In this study, we show that IL-22BP is highly expressed by CD11b(+)CD8α(-) dendritic cells in the subepithelial dome region of Peyer's patches (PPs). We found that IL-22BP blocks IL-22 signaling in the follicle-associated epithelium (FAE) covering PPs, indicating that IL-22BP plays a role in regulating the characteristics of the FAE...
June 5, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28492497/regulation-of-th17-cells-and-associated-cytokines-in-wound-healing-tissue-regeneration-and-carcinogenesis
#12
REVIEW
Leonie Brockmann, Anastasios D Giannou, Nicola Gagliani, Samuel Huber
Wound healing is a crucial process which protects our body against permanent damage and invasive infectious agents. Upon tissue damage, inflammation is an early event which is orchestrated by a multitude of innate and adaptive immune cell subsets including TH17 cells. TH17 cells and TH17 cell associated cytokines can impact wound healing positively by clearing pathogens and modulating mucosal surfaces and epithelial cells. Injury of the gut mucosa can cause fast expansion of TH17 cells and their induction from naïve T cells through Interleukin (IL)-6, TGF-β, and IL-1β signaling...
May 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28479106/characterization-of-linear-mimetic-peptides-of-interleukin-22-from-dissection-of-protein-interfaces
#13
Sara La Manna, Pasqualina Liana Scognamiglio, Concetta Di Natale, Marilisa Leone, Flavia Anna Mercurio, Anna Maria Malfitano, Francesca Cianfarani, Stefania Madonna, Sergio Caravella, Cristina Albanesi, Ettore Novellino, Daniela Marasco
Interleukin-22 (IL-22) belongs to the family of IL-10 cytokines and is involved in a wide number of human diseases, including inflammatory disorders and cancer pathology. The ligand-receptor complex IL-22/IL-22R plays a key role in several pathways especially in the regulation and resolution of immune responses. The identification of novel compounds able to modulate IL-22/IL-22R complex could open the route to new therapeutic strategies in multiple human diseases. In this study, we designed and characterized IL-22 derived peptides at protein interface regions: several sequences revealed able to interfere with the protein complex with IC50 in the micromolar range as evaluated through Surface Plasmon Resonance (SPR) experiments...
July 2017: Biochimie
https://www.readbyqxmd.com/read/28438174/exercise-attenuates-neurological-deficits-by-stimulating-a-critical-hsp70-nf-%C3%AE%C2%BAb-il-6-synapsin-i-axis-in-traumatic-brain-injury-rats
#14
Chung-Ching Chio, Hung-Jung Lin, Yu-Feng Tian, Yu-Chieh Chen, Mao-Tsun Lin, Cheng-Hsien Lin, Ching-Ping Chang, Chien-Chin Hsu
BACKGROUND: Despite previous evidence for a potent inflammatory response after a traumatic brain injury (TBI), it is unknown whether exercise preconditioning (EP) improves outcomes after a TBI by modulating inflammatory responses. METHODS: We performed quantitative real-time PCR (qPCR) to quantify the genes encoding 84 cytokines and chemokines in the peripheral blood and used ELISA to determine both the cerebral and blood levels of interleukin-6 (IL-6). We also performed the chromatin immunoprecipitation (ChIP) assay to evaluate the extent of nuclear factor kappa-B (NF-κB) binding to the DNA elements in the IL-6 promoter regions...
April 24, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28396299/plasma-cytokine-profiling-to-predict-susceptibility-to-acute-mountain-sickness
#15
Hui Lu, Rong Wang, Wenbin Li, Hua Xie, Chang Wang, Ying Hao, Yuhuan Sun, Zhengping Jia
Extensive studies have been performed on acute mountain sickness (AMS), but biomarkers predicting AMS are lacking. Presently, the mainstay methods to identify AMS biomarkers include proteomic and genetic methods at high altitudes or in hypoxic simulated chambers. In the present study, we compared plasma cytokine profiles between AMS-susceptible individuals and AMS-resistant individuals at low altitude by cytokine array analysis. In total, 75 differentially expressed cytokines were identified between AMS-susceptible individuals and AMS-resistant individuals, most involved in inflammation...
November 1, 2016: European Cytokine Network
https://www.readbyqxmd.com/read/28389100/plant-made-virus-like-particle-vaccines-bearing-the-hemagglutinin-of-either-seasonal-h1-or-avian-h5-influenza-have-distinct-patterns-of-interaction-with-human-immune-cells-in-vitro
#16
Hilary E Hendin, Stéphane Pillet, Amanda N Lara, Cheng-Ying Wu, Nathalie Charland, Nathalie Landry, Brian J Ward
INTRODUCTION: The recent emergence of avian influenza strains has fuelled concern about pandemic preparedness since vaccines targeting these viruses are often poorly immunogenic. Weak antibody responses to vaccines have been seen across multiple platforms including plant-made VLPs. To better understand these differences, we compared the in vitro responses of human immune cells exposed to plant-made virus-like particle (VLP) vaccines targeting H1N1 (H1-VLP) and H5N1 (H5-VLP). METHODS: Peripheral blood mononuclear cells (PBMC) from healthy adults were stimulated ex vivo with 2-5µg/mL VLPs bearing the hemagglutinin (HA) of either H1N1 (A/California/7/2009) or H5N1 (A/Indonesia/5/05)...
April 4, 2017: Vaccine
https://www.readbyqxmd.com/read/28388647/impact-of-probiotic-saccharomyces-boulardii-on-the-gut-microbiome-composition-in-hiv-treated-patients-a-double-blind-randomised-placebo-controlled-trial
#17
Judit Villar-García, Robert Güerri-Fernández, Andrés Moya, Alicia González, Juan J Hernández, Elisabet Lerma, Ana Guelar, Luisa Sorli, Juan P Horcajada, Alejandro Artacho, Giuseppe D Auria, Hernando Knobel
Dysbalance in gut microbiota has been linked to increased microbial translocation, leading to chronic inflammation in HIV-patients, even under effective HAART. Moreover, microbial translocation is associated with insufficient reconstitution of CD4+T cells, and contributes to the pathogenesis of immunologic non-response. In a double-blind, randomised, placebo-controlled trial, we recently showed that, compared to placebo, 12 weeks treatment with probiotic Saccharomyces boulardii significantly reduced plasma levels of bacterial translocation (Lipopolysaccharide-binding protein or LBP) and systemic inflammation (IL-6) in 44 HIV virologically suppressed patients, half of whom (n = 22) had immunologic non-response to antiretroviral therapy (<270 CD4+Tcells/μL despite long-term suppressed viral load)...
2017: PloS One
https://www.readbyqxmd.com/read/28379923/serum-markers-of-necrotizing-enterocolitis-a-systematic-review
#18
Gianluca Terrin, Laura Stronati, Salvatore Cucchiara, Mario De Curtis
OBJECTIVE: To systematically review the diagnostic utility of serum biomarkers for the diagnosis of necrotizing enterocolitis (NEC). METHODS: We conducted an electronic and manual search of the available evidence. We included studies reporting data on the diagnostic accuracy of "serum" biomarkers for the diagnosis of NEC, available until January 2016. RESULTS: We selected 22 studies from the 1296 papers retrieved. Only S100 A8/A9 protein and apolipoprotein-CII showed high sensitivity (100% and 96...
April 5, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28356382/limited-presence-of-il-22-binding-protein-a-natural-il-22-inhibitor-strengthens-psoriatic-skin-inflammation
#19
Jérôme C Martin, Kerstin Wolk, Gaëlle Bériou, Ahmed Abidi, Ellen Witte-Händel, Cédric Louvet, Georgios Kokolakis, Lucile Drujont, Laure Dumoutier, Jean-Christophe Renauld, Robert Sabat, Régis Josien
Psoriasis is a chronic inflammatory disease resulting from dysregulated immune activation associated with a large local secretion of cytokines. Among them, IL-22 largely contributes to epithelial remodeling and inflammation through inhibiting the terminal differentiation of keratinocytes and inducing antimicrobial peptides and selected chemokines. The activity of IL-22 is regulated by IL-22 binding protein (IL-22BP); however, the expression and role of IL-22BP in psoriatic skin has remained unknown so far. Here we showed that nonaffected skin of psoriasis patients displayed lower expression of IL-22BP than skin of healthy controls...
May 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28303135/a-human-lin-cd123-cd127-low-population-endowed-with-ilc-features-and-migratory-capabilities-contributes-to-immunopathological-hallmarks-of-psoriasis
#20
Luz María Mora-Velandia, Octavio Castro-Escamilla, Andrés González Méndez, Cristina Aguilar-Flores, Martha Velázquez-Avila, María Isabel Tussié-Luna, Juan Téllez-Sosa, César Maldonado-García, Fermín Jurado-Santacruz, Eduardo Ferat-Osorio, Jesus Martínez-Barnetche, Rosana Pelayo, Laura C Bonifaz
Innate lymphoid cells (ILC) are members of a heterogeneous family with a lymphoid origin that mimics the T helper (Th) cytokine profile. ILC are involved in early effector cytokine-mediated responses during infections in peripheral tissues. ILC also play an important role in chronic skin inflammatory diseases, including psoriasis. Although classical ILC express CD127, it has been recently reported that the presence of non-classical CD127(-) ILC populations and an early ILC precursor (EILP) CD127(low). ILC development has predominately been investigated in mouse models...
2017: Frontiers in Immunology
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