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IL-27

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https://www.readbyqxmd.com/read/28194431/polyfunctional-and-ifn-%C3%AE-monofunctional-human-cd4-t-cell-populations-are-molecularly-distinct
#1
Julie G Burel, Simon H Apte, Penny L Groves, James S McCarthy, Denise L Doolan
Pathogen-specific polyfunctional T cell responses have been associated with favorable clinical outcomes, but it is not known whether molecular differences exist between polyfunctional and monofunctional cytokine-producing T cells. Here, we report that polyfunctional CD4(+) T cells induced during Plasmodiumfalciparum (P. falciparum) blood-stage infection in humans have a unique transcriptomic profile compared with IFN-γ monofunctional CD4(+) T cells and, thus, are molecularly distinct. The 14-gene signature revealed in P...
February 9, 2017: JCI Insight
https://www.readbyqxmd.com/read/28194021/type-i-ifn-augments-il-27-dependent-trim25-expression-to-inhibit-hbv-replication
#2
Guangyun Tan, Qingfei Xiao, Hongxiao Song, Feng Ma, Fengchao Xu, Di Peng, Na Li, Xiaosong Wang, Junqi Niu, Pujun Gao, F Xiao-Feng Qin, Genhong Cheng
Hepatitis B virus (HBV) can cause chronic hepatitis B, which may lead to cirrhosis and liver cancer. Type I interferon (IFN) is an approved drug for the treatment of chronic hepatitis B. However, the fundamental mechanisms of antiviral action by type I IFN and the downstream signaling pathway are unclear. TRIM25 is an IFN-stimulated gene (ISG) that has an important role in RIG-I ubiquitination and activation. Whether TRIM25 is induced in liver cells by type I IFN to mediate anti-HBV function remains unclear...
February 13, 2017: Cellular & Molecular Immunology
https://www.readbyqxmd.com/read/28167198/analysis-of-serum-interleukin-27-and-interleukin-35-concentrations-in-patients-with-guillain-barr%C3%A3-syndrome
#3
Lin-Jie Zhang, Hui-Yue Guo, Da-Qi Zhang, Rong Wang, Ting Li, Li-Min Li, Dong-Mei Suo, Li Yang
BACKGROUNDS: Guillain-Barré syndrome (GBS) is a postinfectious immune-mediated peripheral neuropathy. Interleukin (IL)-27 and IL-35 have been recognized as novel members of IL-12 family. We evaluated the serum and cerebral spinal fluid (CFS) concentrations of IL-27 and IL-35 in GBS and analyze their correlations with clinical characteristics. METHODS: Serum samples from 50 patients with GBS including 9 acute inflammatory demyelinating polyradiculoneuropathy (AIDP), 33 acute motor axonal neuropathy (AMAN) and 8 unclassified and 35 age- and sex-matched healthy controls were collected...
February 4, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28166218/critical-role-of-irf1-and-batf-in-forming-chromatin-landscape-during-type-1-regulatory-cell-differentiation
#4
Katarzyna Karwacz, Emily R Miraldi, Maria Pokrovskii, Asaf Madi, Nir Yosef, Ivo Wortman, Xi Chen, Aaron Watters, Nicholas Carriero, Amit Awasthi, Aviv Regev, Richard Bonneau, Dan Littman, Vijay K Kuchroo
Type 1 regulatory T cells (Tr1 cells) are induced by interleukin-27 (IL-27) and have critical roles in the control of autoimmunity and resolution of inflammation. We found that the transcription factors IRF1 and BATF were induced early on after treatment with IL-27 and were required for the differentiation and function of Tr1 cells in vitro and in vivo. Epigenetic and transcriptional analyses revealed that both transcription factors influenced chromatin accessibility and expression of the genes required for Tr1 cell function...
February 6, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28157677/il-27-a-new-target-for-gvhd-prevention
#5
Daniel H Fowler, Shoba Amarnath
No abstract text is available yet for this article.
October 20, 2016: Blood
https://www.readbyqxmd.com/read/28154569/regulation-of-nk-cell-activation-and-effector-functions-by-the-il-12-family-of-cytokines-the-case-of-il-27
#6
REVIEW
Norberto Walter Zwirner, Andrea Ziblat
Natural killer (NK) cells are characterized by their ability to detect and induce apoptosis of susceptible target cells and by secretion of immunoregulatory cytokines such as IFN-γ. Activation of these effector functions is triggered upon recognition of tumor and pathogen (mostly virus)-infected cells and because of a bidirectional cross talk that NK cells establish with other cells of myeloid origin such as dendritic cells (DC) and macrophages. A common characteristic of these myeloid cells is their ability to secrete different members of the IL-12 family of cytokines such as IL-12, IL-23, and IL-27 and cytokines such as IL-15 and IL-18...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28132857/il-27-facilitates-skin-wound-healing-through-induction-of-epidermal-proliferation-and-host-defense
#7
Bin Yang, Jutamas Suwanpradid, Roberto Sanchez-Lagunes, Hae Woong Choi, Peter Hoang, Donghai Wang, Soman N Abraham, Amanda S MacLeod
Skin wound repair requires a coordinated program of epithelial cell proliferation and differentiation as well as resistance to invading microbes. However, the factors that trigger epithelial cell proliferation in this inflammatory process are incompletely understood. In this study, we demonstrate that IL-27 is rapidly and transiently produced by CD301b(+) cells in the skin following injury. The functional role of IL-27 and CD301b(+) cells is demonstrated by the finding that CD301b-depleted mice exhibit delayed wound closure in vivo which could be rescued by topical IL-27 treatment...
January 26, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28130449/il-27-alleviates-bone-loss-in-estrogen-deficient-conditions-by-induction-of-early-growth-response-2-gene
#8
Priyanka Shukla, Mohd Nizam Mansoori, Manisha Kakaji, Manoj Shukla, Sushil Kumar Gupta, Divya Singh
Growing understanding of the bone remodeling process suggests that inflammation significantly contributes to the pathogenesis of osteoporosis. T cells and various cytokines contribute majorly to the estrogen deficiency induced bone loss. Recent studies have identified IL-12 cytokine family comprising of pro-inflammatory IL-12 and IL-23 and the anti-inflammatory IL-27 and IL-35 cytokines. IL-27 exerts protective effects in autoimmune diseases like experimental autoimmune encephalomyelitis however; its role in pathogenesis of osteoporosis remains to be determined...
January 27, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28129374/il-27-limits-type-2-immunopathology-following-parainfluenza-virus-infection
#9
Gaia Muallem, Sagie Wagage, Yan Sun, Jonathan H DeLong, Alex Valenzuela, David A Christian, Gretchen Harms Pritchard, Qun Fang, Elizabeth L Buza, Deepika Jain, M Merle Elloso, Carolina B López, Christopher A Hunter
Respiratory paramyxoviruses are important causes of morbidity and mortality, particularly of infants and the elderly. In humans, a T helper (Th)2-biased immune response to these infections is associated with increased disease severity; however, little is known about the endogenous regulators of these responses that may be manipulated to ameliorate pathology. IL-27, a cytokine that regulates Th2 responses, is produced in the lungs during parainfluenza infection, but its role in disease pathogenesis is unknown...
January 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28128077/serum-cytokine-profiles-in-infants-with-atopic-dermatitis
#10
Asuman Gürkan, Ayşegül Atak Yücel, Cemile Sönmez, Şennur Keleş, İlknur Bostancı
Atopic dermatitis (AD) in infancy is believed to have distinct features as compared to AD in other age groups, and little is known about cytokine production in infants with AD. We aimed to measure the serum cytokine levels of infants with atopic dermatitis and evaluate the association of new anti-inflammatory cytokines with the disease. Eighty-one infant patients with AD and 52 healthy controls were involved in this study. The serum levels of major pro- and anti-inflammatory cytokines of the T-helper (Th) subtypes, as well as more recently defined interleukins (IL-27, IL-35, and IL-37), were measured using the ELISA method...
December 2016: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/28123777/serum-inflammatory-biomarkers-fail-to-identify-early-axial-spondyloarthritis-results-from-the-spondyloarthritis-caught-early-space-cohort
#11
Maureen C Turina, Nataliya Yeremenko, Floris van Gaalen, Maikel van Oosterhout, Inger J Berg, Ramona Ramonda, Cristina M C Lebre, Robert Landewé, Dominique Baeten
INTRODUCTION: Decreasing the diagnostic delay in axial spondyloarthritis (axSpA) remains a major challenge. Here, we assessed the value of serum inflammatory biomarkers to distinguish early axSpA from other pathologies in a large cohort of patients referred with early back pain. METHODS: Serum c reactive protein (CRP), erythrocyte sedimentation rate (ESR) and calprotectin were determined in the SPondyloArthritis Caught Early (SPACE) cohort (n=310), an early back pain inception cohort...
2017: RMD Open
https://www.readbyqxmd.com/read/28118834/on-the-cytokine-chemokine-network-during-plasmodium-vivax-malaria-new-insights-to-understand-the-disease
#12
Natália Satchiko Hojo-Souza, Dhelio Batista Pereira, Fernanda Sumika Hojo de Souza, Tiago Antônio de Oliveira Mendes, Mariana Santos Cardoso, Mauro Shugiro Tada, Graziela Maria Zanini, Daniella Castanheira Bartholomeu, Ricardo Toshio Fujiwara, Lilian Lacerda Bueno
BACKGROUND: The clinical outcome of malaria depends on the delicate balance between pro-inflammatory and immunomodulatory cytokine responses triggered during infection. Despite the numerous reports on characterization of plasma levels of cytokines/chemokines, there is no consensus on the profile of these mediators during blood stage malaria. The identification of acute phase biomarkers might contribute to a better understanding of the disease, allowing the use of more effective therapeutic approaches to prevent the progression towards severe disease...
January 24, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28108813/relationship-between-il-27-and-coronary-arterial-lesions-in-children-with-kawasaki-disease
#13
Feifei Si, Yao Wu, Fang Gao, Siqi Feng, Ruixi Liu, Qijian Yi
Kawasaki disease (KD) arises due to the disorder of the inflammation response and faulty immune regulation. Interleukin-27 (IL-27) is a novel cytokine with both pro-inflammatory and anti-inflammatory effects. This study investigated the relationship between serum levels of IL-27, Interleukin-17A (IL-17A), Interleukin-10 (IL-10), Interleukin-6 (IL-6), Interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α) and coronary artery lesions (CALs) in patients with KD. We obtained blood samples from 81 children with KD before intravenous immunoglobulin (IVIG) therapy...
January 20, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/28105653/properdin-and-factor-h-production-by-human-dendritic-cells-modulates-their-t-cell-stimulatory-capacity-and-is-regulated-by-ifn-%C3%AE
#14
Karen O Dixon, Joseph O'Flynn, Ngaisah Klar-Mohamad, Mohamed R Daha, Cees van Kooten
Dendritic cells (DCs) and complement are both key members of the innate and adaptive immune response. Recent experimental mouse models have shown that production of alternative pathway (AP) components by DCs strongly affects their ability to activate and regulate T-cell responses. In this study we investigated the production and regulation of properdin (fP) and factor H (fH) both integral regulators of the AP, by DCs and tolerogenic DCs (tolDCs). Both fP and fH were produced by DCs, with significantly higher levels of both AP components produced by tolDCs...
January 20, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28099429/vitamin-d-insufficiency-in-neonatal-hypoxic-ischemic-encephalopathy
#15
Danielle W Lowe, Bruce W Hollis, Carol L Wagner, Thomas Bass, David A Kaufman, Michael J Horgan, Laurence M Givelichian, Koravangatta Sankaran, Jerome Y Yager, Lakshmi D Katikaneni, Don Wiest, Dorothea Jenkins
BACKGROUND: Vitamin D has neuroprotective and immunomodulatory properties, and deficiency is associated with worse stroke outcomes. Little is known about effects of hypoxia-ischemia or hypothermia treatment on vitamin D status in neonates with hypoxic-ischemic encephalopathy (HIE). We hypothesized vitamin D metabolism would be dysregulated in neonatal HIE altering specific cytokines involved in Th17 activation, which might be mitigated by hypothermia. METHODS: We analyzed short term relationships between 25(OH) and 1,25(OH)2 vitamin D, vitamin D binding protein, and cytokines related to Th17 function in serum samples from a multicenter randomized controlled trial of hypothermia 33(0)C for 48h after HIE birth versus normothermia in 50 infants with moderate to severe HIE...
January 18, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28069403/functional-variant-in-the-promoter-region-of-il-27-alters-gene-transcription-and-confers-a-risk-for-ulcerative-colitis-in-northern-chinese-han
#16
Wei Yu, Kun Zhang, Zhongyi Wang, Jiayu Zhang, Tong Chen, Lifang Jin
Ulcerative colitis (UC) is a chronic inflammatory disorder of unknown etiology and a polygenic disease. IL-27 encodes p28, a subunit of IL-12 family cytokines, and has been implicated in the pathogenesis of UC. The aims of the present study were to evaluate the genetic association of a variant of the IL-27 gene with UC and to further characterize the functional variant in the IL-27 gene that influences the risk for UC. Our data demonstrated that the genetic variant rs153109 in the 5' upstream region of IL-27 is significantly associated with UC in Chinese Han individuals...
January 6, 2017: Human Immunology
https://www.readbyqxmd.com/read/28062696/prostaglandin-e2-inhibition-of-il-27-production-in-murine-dendritic-cells-a-novel-mechanism-that-involves-irf1
#17
Kirsten M Hooper, Jui-Hung Yen, Weimin Kong, Kate M Rahbari, Ping-Chang Kuo, Ana M Gamero, Doina Ganea
IL-27, a multifunctional cytokine produced by APCs, antagonizes inflammation by affecting conventional dendritic cells (cDC), inducing IL-10, and promoting development of regulatory Tr1 cells. Although the mechanisms involved in IL-27 induction are well studied, much less is known about the factors that negatively impact IL-27 expression. PGE2, a major immunomodulatory prostanoid, acts as a proinflammatory agent in several models of inflammatory/autoimmune disease, promoting primarily Th17 development and function...
February 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28058287/impact-of-il-27-on-hepatocyte-antiviral-gene-expression-and-function
#18
Narayan Ramamurthy, Sara Boninsegna, Rebecca Adams, Natasha Sahgal, Helen Lockstone, Dilair Baban, Emanuele Marchi, Paul Klenerman
Background: Interleukin (IL)-27 is a member of the IL-6/IL-12 family of cytokines. It is a potent cytokine, with potential antiviral impact, and has been shown to play a role in modulating functions of diverse cell types, including Th1, Th2, and NK and B cells, demonstrating both pro- and anti-inflammatory roles.  In hepatocytes, it is capable of inducing signal transducer and activator of transcription (STAT)1, STAT3 and interferon-stimulated genes. Methods: To address its role in viral hepatitis, the antiviral activity of IL-27 against hepatitis C virus (HCV) and hepatitis B virus (HBV) was tested in vitro using cell-culture-derived infectious HCV (HCVcc) cell culture system and the HepaRG HBV cell culture model...
November 17, 2016: Wellcome Open Res
https://www.readbyqxmd.com/read/28055231/effect-of-interleukin-27-genetic-variants-on-atrial-fibrillation-susceptibility
#19
Yu Chen, Jianhui Zeng, Rui Zhang, Linjun Zeng, Yajiao Li, Hong Wei, Qing Yang
AIM: Atrial fibrillation (AF) is the most common cardiac arrhythmia. No data are available on the association between the polymorphisms of interleukin-27 (IL-27) and AF in the Chinese Han population. This study was performed to determine if polymorphisms within the IL-27 gene are involved in the AF susceptibility. METHODS: Two hundred seventy AF patients and 303 healthy individuals were examined for two IL-27 gene polymorphisms (rs153109 and rs17855750) by polymerase chain reaction-restriction fragment length polymorphism methodology...
February 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/28027499/imbalance-between-the-anti-and-pro-inflammatory-milieu-in-blood-leukocytes-of-autistic-children
#20
Sheikh F Ahmad, Ahmed Nadeem, Mushtaq A Ansari, Saleh A Bakheet, Sabry M Attia, Khairy M A Zoheir, Laila Yousef Al-Ayadhi, Mohammad Z Alzahrani, Abdulaziz M S Alsaad, Moureq R Alotaibi, Adel R A Abd-Allah
Accumulating evidence suggests an association between immune dysfunction and autism disorders in a significant subset of children. In addition, an imbalance between pro- and anti-inflammatory pathways has been proposed to play an important role in the pathogenesis of several neurodevelopmental disorders including autism; however, the role of anti-inflammatory molecules IL-27 and CTLA-4 and pro-inflammatory cytokines IL-21 and IL-22 has not previously been explored in autistic children. In the current study, we investigated the expression of IL-21, IL-22, IL-27, and CD152 (CTLA-4) following an in-vitro immunological challenge of peripheral blood mononuclear cells (PBMCs) from children with autism (AU) or typically-developing children (TD) with phorbol-12-myristate 13-acetate (PMA) and ionomycin...
December 24, 2016: Molecular Immunology
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