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https://www.readbyqxmd.com/read/28713365/what-s-normal-immune-profiling-of-human-milk-from-healthy-women-living-in-different-geographical-and-socioeconomic-settings
#1
Lorena Ruiz, Irene Espinosa-Martos, Cristina García-Carral, Susana Manzano, Michelle K McGuire, Courtney L Meehan, Mark A McGuire, Janet E Williams, James Foster, Daniel W Sellen, Elizabeth W Kamau-Mbuthia, Egidioh W Kamundia, Samwel Mbugua, Sophie E Moore, Linda J Kvist, Gloria E Otoo, Kimberly A Lackey, Katherine Flores, Rossina G Pareja, Lars Bode, Juan M Rodríguez
Human milk provides a very wide range of nutrients and bioactive components, including immune factors, human milk oligosaccharides, and a commensal microbiota. These factors are essential for interconnected processes including immunity programming and the development of a normal infant gastrointestinal microbiome. Newborn immune protection mostly relies on maternal immune factors provided through milk. However, studies dealing with an in-depth profiling of the different immune compounds present in human milk and with the assessment of their natural variation in healthy women from different populations are scarce...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28709839/fungal-immunomodulatory-protein-fve-could-modulate-airway-remodel-through-by-affect-il17-cytokine
#2
Yu-Tzu Lee, Chia-Ta Wu, Hai-Lun Sun, Jiunn-Liang Ko, Ko-Haung Lue
BACKGROUND: Asthma is one of the most common allergic diseases. Our previous studies have reported that FIP-fve in acute allergic mouse model can reduce inflammation, improve the balance of the Th1/Th2 system. However, the effects of reducing airway remodeling on FIP-fve is still unknown. OBJECTIVE: We hypothesized that orally administrated FIP-fve should be able to reduce airway remodeling in chronic allergic models. METHODS: The chronic asthma animal model was established with 6-8 weeks female Balb/c mice...
June 29, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28697061/elevation-of-circulating-th17-th22-cells-exposed-to-low-level-formaldehyde-and-its-relevance-to-formaldehyde-induced-occupational-allergic-contact-dermatitis
#3
Weihua Mai, Xingwei Liu, Guangxiao Su, Wenying Zhou, Ziping Wen, Dongqing Lu
OBJECTIVES: The aim of this study was to investigate the effects of formaldehyde exposure on Th17 and Th22 cells and its relevance to human occupational allergic contact dermatitis (OACD). METHODS: Circulating IL17-/IL22-secreting cells and serum IL17/IL22 levels in formaldehyde-exposed workers at Occupational Exposure Limit and nonexposed controls were assessed. RESULTS: The IL17 and IL22 cell population were detected in both CD3CD8 and CD3CD8 cells...
July 10, 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28681115/-psoriatic-arthritis-drugs-of-the-near-future
#4
REVIEW
D Redelstein, M Fleck
The treatment of psoriatic arthritis (PsA) necessitates different and highly effective treatment strategies due to the diverse clinical manifestations. Drugs that exhibit efficacy for most of the musculoskeletal (e.g. arthritis, dactylitis, enthesitis and spondyloarthritis) and extra-articular manifestations (e.g. skin and nail lesions) are therefore of special interest. This review presents a selection of drugs for the treatment of PsA, which might be available within the (near) future. Based on an improved understanding of the pathopysiology of psoriasis as well as PsA, novel therapeutic approaches are under development...
July 5, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28664285/-psoriasis-vs-psoriatic-arthritis-similarities-and-differences-in-the-pathophysiology
#5
T Pap, C Sunderkötter
Psoriasis is a chronic inflammatory skin disease with genetic and (auto)immunological backgrounds. Up to 30% of patients with psoriasis also develop a mostly oligoarticular arthritis with spinal involvement that is termed psoriatic arthritis (PsA) and shows a specific joint pattern which differs from that of rheumatoid arthritis (RA). Both Psa and psoriasis share a common main axis, the interleukin (IL) 23/IL17 pathway as well as major overlaps in the functions of tumor necrosis factor alpha (TNFalpha)...
June 29, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28650331/expression-of-th17-and-cd4-cd25-t-regulatory-cells-in-peripheral-blood-of-acute-leukemia-patients-and-their-prognostic-significance
#6
Mingli Xiang, Li Guo, Yan Ma, Yi Li
To discuss the expression of T helper cell 17 (Th17) cells and CD4+ CD25+ Foxp3+ regulatory T cells (Treg) in peripheral blood (PB) of patients with acute leukemia (AL), and to explore the relationship between them and disease prognosis. 40 patients diagnosed with acute leukemia in The First Affiliated Hospital of Zhengzhou University from July 2012 to August 2014 were selected as the observation group. Meanwhile, 40 healthy people were taken as the control group. Flow Cytometry Method (FCM) was used to detect the level of Th17 cells and CD4(+) CD25(+) Foxp3(+) cells in peripheral blood of the two groups, and enzyme-linked immuno sorbent assay (ELISA) method was used to test the level of IL17 and TGF-β in peripheral blood of two groups; reverse transcription-polymerase chain reaction (RT-PCR) was adopted to analyze the mRNA levels of RORγT and Foxp3 in peripheral blood...
March 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28617945/microrna-cluster-106a-363-is-involved-in-t-helper-17-th17-cell-differentiation
#7
Marc Kaestle, Sabine Bartel, Kerstin Geillinger-Kästle, Martin Irmler, Johannes Beckers, Bernhard Ryffel, Oliver Eickelberg, Susanne Krauss-Etschmann
T-helper cell 17 (Th17) mediated inflammation is associated with various diseases including autoimmune encephalitis, inflammatory bowel disease and lung diseases such as chronic obstructive pulmonary disease and asthma. Differentiation into distinct Th subtypes needs to be tightly regulated to ensure an immunological balance. As microRNAs (miRNAs) are critical regulators of signaling pathways, we aimed to identify specific miRNAs implicated in controlling Th17 differentiation. We were able to create a regulatory network model of murine Th cell differentiation by combining Affymetrix mRNA and miRNA arrays and in-silico analysis...
June 15, 2017: Immunology
https://www.readbyqxmd.com/read/28611508/correlation-between-il36%C3%AE-and-il17-and-activity-of-the-disease-in-selected-autoimmune-blistering-diseases
#8
Agnieszka Żebrowska, Anna Woźniacka, Katarzyna Juczyńska, Kamila Ociepa, Elżbieta Waszczykowska, Izabela Szymczak, Rafał Pawliczak
Dermatitis herpetiformis (DH), bullous pemphigoid (BP), and pemphigus vulgaris (PV) are autoimmune bullous skin conditions with eosinophilic and neutrophilic infiltrations. While cytokines are crucial for the affinity and activation of different leukocyte cells in the inflammation and blister formation, there are no studies concerning a role of IL-36. The goal of the study was to analyze whether interleukin 36 is involved in pathogenesis of DH, BP, and PV. And the second aim of the study was the estimation of correlation between Il-36 and IL-17 and titers of specific antibodies in these diseases...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28611056/igf1-potentiates-the-pro-inflammatory-response-in-human-peripheral-blood-mononuclear-cells-via-mapk
#9
Thalijn Liliana Catharina Wolters, Mihai Gheorghe Netea, Ad R Hermus, Jan Wa Smit, Romana T Netea-Maier
Introduction: Acromegaly is characterized by growth hormone (GH) and Insulin-like Growth Factor 1 (IGF1) excess and is accompanied by an increased cardiovascular diseases (CVD) risk. As innate immune responses are crucial in CVD development, and IGF1 is linked to subclinical inflammation, we hypothesized that GH/IGF1 excess contributes to CVD development via potentiating systemic inflammation. We aimed to assess the effects of GH/IGF1 on inflammatory cytokine production. Methods: Whole blood from acromegaly patients and healthy volunteers, and peripheral blood mononuclear cells (PBMC) from healthy volunteers were stimulated with Toll-like receptor (TLR) ligands, with or without adding GH or IGF1 (in PBMC)...
June 13, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28605874/the-pharmacological-efficacy-of-the-anti-il17-scfv-and-stnfr1-bispecific-fusion-protein-in-inflammation-mouse-stimulated-by-lps
#10
Yongbi Yang, Teng Zhang, Hongxue Cao, Dan Yu, Tong Zhang, Shaojuan Zhao, Xiaohui Jing, Liying Song, Yunye Liu, Ruixiang Che, Xin Liu, Deshan Li, Guiping Ren
Acute lung injury (ALI) is still a leading cause of morbidity and mortality in critically ill patients. Recently, our study found that a bispecific fusion protein treatment can ameliorate the lung injury induced by LPS. However, the molecular mechanisms which bispecific fusion protein ameliorates acute lung injury remain unclear. In this study, we found that the bispecific fusion protein treatment inhibited the nuclear transcription of NF-κB in confocal laser scanning fluorescence microscopy, the bispecific fusion protein exert protective effects in the cell model of ALI induced by lipopolysaccharide (LPS) via inhibiting the nuclear factor κB (NF-κB) signaling pathway and mediate inflammation...
August 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28603222/bovine-embryo-induces-an-anti-inflammatory-response-in-uterine-epithelial-cells-and-immune-cells-in-vitro-possible-involvement-of-interferon-tau-as-an-intermediator
#11
Anup K Talukder, Mohamed S Yousef, Mohammad B Rashid, Kensuke Awai, Tomas J Acosta, Takashi Shimizu, Kiyoshi Okuda, Masayuki Shimada, Kazuhiko Imakawa, Akio Miyamoto
Recent observations suggest that the bovine uterus starts to react to the early embryo immediately after its arrival from the oviduct. The present study aimed to investigate the effect of the early developing embryo on the immune-related gene profile in bovine uterine epithelial cells (BUECs) in vitro, and to further examine the impact of conditioned media (CM), either from embryo-BUEC co-culture or embryo culture alone, on gene expression in peripheral blood mononuclear cells (PBMCs). First, BUECs were co-cultured with morulae (n = 10) for D5-D9 (D0 = IVF), and gene expression in BUECs was analyzed...
June 10, 2017: Journal of Reproduction and Development
https://www.readbyqxmd.com/read/28602842/immune-responses-and-parasitological-observations-induced-during-probiotic-treatment-with-medicinal-trichuris-suis-ova-in-a-healthy-volunteer
#12
Andrew R Williams, Anders Dige, Tue Kruse Rasmussen, Christian L Hvas, Jens F Dahlerup, Lars Iversen, C Rune Stensvold, Jørgen Agnholt, Peter Nejsum
Ingestion of eggs (ova) of the porcine nematode parasite Trichuris suis (TSO) may reduce the severity of autoimmune disorders, however the development of TSO treatment as a useful therapy for autoimmune diseases is hampered by a lack of knowledge on the development of the parasite and the nature of the local immune responses in humans. Here, we used colonoscopy to investigate the development of T. suis and related mucosal and systemic immune responses during TSO treatment in an intestinally healthy male volunteer...
June 8, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28600817/il17a-dependent-asymmetric-stem-cell-divisions-are-increased-in-human-psoriasis-a-mechanism-underlying-benign-hyperproliferation
#13
Alexandra Charruyer, Stephen Fong, Giselle Vitcov, Samuel Sklar, Leah Tabernik, Monica Taneja, Melinda Caputo, Catherine Soeung, Lili Yue, Yoshi Uchida, Sarah T Arron, Karen Horton, Robert Foster, Shigetoshi Sano, Jeffrey North, Ruby Ghadially
The balance between asymmetric and symmetric stem cell (SC) divisions is key to tissue homeostasis and dysregulation of this balance has been shown in cancers. We hypothesized that the balance between asymmetric SC divisions (ACDs) and symmetric cell divisions (SCDs) would be dysregulated in the benign hyperproliferation of psoriasis. We found that, whereas SCDs were increased in squamous cell carcinoma (SCC) (human and murine), ACDs were increased in the benign hyperproliferation of psoriasis (human and murine)...
June 10, 2017: Stem Cells
https://www.readbyqxmd.com/read/28586386/differential-th17-response-induced-by-the-two-clades-of-the-pandemic-st258-klebsiella-pneumoniae-clonal-lineages-producing-kpc-type-carbapenemase
#14
Ann Maria Clemente, Giuseppe Castronovo, Alberto Antonelli, Marco Maria D'Andrea, Michele Tanturli, Eloisa Perissi, Sara Paccosi, Astrid Parenti, Federico Cozzolino, Gian Maria Rossolini, Maria Gabriella Torcia
The spread of KPC-type carbapenemases is mainly attributed to the global dissemination of Klebsiella pneumoniae (KP) strains belonging to the clonal group (CG) 258, including sequence type (ST) 258 and other related STs. Two distinct clades of CG258-KP have evolved, which differ mainly for the composition of their capsular polysaccharides, and recent studies indicate that clade 1 evolved from an ancestor of clade 2 by recombination of a genomic fragment carrying the capsular polysaccharide (cps) locus. In this paper, we investigated the ability of two ST258-KP strains, KKBO-1 and KK207-1, selected as representatives of ST258-KP clade 2 and clade 1, respectively, to activate an adaptive immune response using ex vivo-stimulation of PBMC from normal donors as an experimental model...
2017: PloS One
https://www.readbyqxmd.com/read/28583713/igf-1r-signalling-contributes-to-il-6-production-and-t-cell-dependent-inflammation-in-rheumatoid-arthritis
#15
Malin C Erlandsson, Sofia Töyrä Silfverswärd, Mitra Nadali, Minna Turkkila, Mattias N D Svensson, Ing-Marie Jonsson, Karin M E Andersson, Maria I Bokarewa
BACKGROUND: Signalling through insulin-like growth factor 1 receptor (IGF-1R) is essential for cell survival, but may turn pathogenic in uncontrolled tissue growth in tumours. In rheumatoid arthritis (RA), the IGF-1R signalling is activated and supports expansion of the inflamed synovia. AIM: In the present study, we assess if disruption of IGF-1R signalling resolves arthritis. MATERIAL AND METHODS: Clinical associations of IGF-1R expression in leukocytes of the peripheral blood were studied in 84 RA patients...
June 3, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28567040/a-unique-cellular-and-molecular-microenvironment-is-present-in-tertiary-lymphoid-organs-of-patients-with-spontaneous-prostate-cancer-regression
#16
María de la Luz García-Hernández, Norma Ofelia Uribe-Uribe, Ricardo Espinosa-González, W Martin Kast, Shabaana A Khader, Javier Rangel-Moreno
OBJECTIVE: Multiple solid cancers contain tertiary lymphoid organs (TLO). However, it is unclear whether they promote tumor rejection, facilitate tumor evasion, or simply whether they are a byproduct of chronic inflammation. We hypothesize that although chronic inflammation induces TLO formation, the tumor milieu can modulate TLO organization and functions in prostate cancer. Therefore, our study seeks to elucidate the cellular and molecular signatures in unique prostatectomy specimens from evanescent carcinoma patients to identify markers of cancer regression, which could be harnessed to modulate local immunosuppression or potentially enhance TLO function...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28559407/neutrophil-elastase-and-il17-expressed-in-the-pig-colon-during-brachyspira-hyodysenteriae-infection-synergistically-with-the-pathogen-induce-increased-mucus-transport-speed-and-production-via-mapk3
#17
Macarena P Quintana-Hayashi, Nazanin Navabi, Maxime Mahu, Vignesh Venkatakrishnan, Harvey R Fernandez, Freddy Haesebrouck, Frank Pasmans, Sara K Lindén
Brachyspira hyodysenteriae colonizes the pig colon resulting in mucoid hemorragic diarrhea and mucus layer changes. These changes are characterized by a disorganized mucus structure and a massive mucus induction with de novo expression of MUC5AC and increased production of MUC2. To investigate the mechanisms behind this altered mucin environment, we quantified the mRNA levels of mucin pathway genes and factors from the immune system in the colon of infected and control pigs, revealing upregulation of neutrophil elastase, SPDEF, FOXA3, MAPK3/ERK1, IL-17A, IL-1β, IL-6 and IL-8 expression...
May 30, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28555437/autoimmunity-in-2016
#18
REVIEW
Carlo Selmi
The number of peer-reviewed articles published during the 2016 solar year and retrieved using the "autoimmunity" key word remained stable while gaining a minimal edge among the immunology articles. Nonetheless, the quality of the publications has been rising significantly and, importantly, acquisitions have become available through scientific journals dedicated to immunology or autoimmunity. Major discoveries have been made in the fields of systemic lupus erythematosus, rheumatoid arthritis, autoimmunity of the central nervous system, vasculitis, and seronegative spondyloarthrithritides...
August 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28487695/regulatory-t-cells-and-pro-inflammatory-responses-predominate-in-children-with-tuberculosis
#19
Elizabeth Whittaker, Mark Nicol, Heather J Zar, Beate Kampmann
BACKGROUND: Following infection with Mycobacterium tuberculosis (M.tb), children are more susceptible to develop disease particularly extrapulmonary disease than adults. The exact mechanisms required for containment of M.tb are not known, but would be important to identify correlates of protection. OBJECTIVE: To comprehensively analyze key immune responses to mycobacteria between HIV-negative children with extrapulmonary TB (EPTB) compared to children with pulmonary TB (PTB) or healthy controls...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28483607/interleukin-17a-promotes-lung-tumor-progression-through-neutrophil-attraction-to-tumor-sites-and-mediating-resistance-to-pd-1-blockade
#20
Esra A Akbay, Shohei Koyama, Yan Liu, Ruben Dries, Lauren E Bufe, Michael Silkes, Md Maksudul Alam, Dillon M Magee, Robert Jones, Masahisa Jinushi, Meghana Kulkarni, Julian Carretero, Xiaoen Wang, Tiquella Warner-Hatten, Jillian D Cavanaugh, Akio Osa, Atsushi Kumanogoh, Gordon J Freeman, Mark M Awad, David C Christiani, Raphael Bueno, Peter S Hammerman, Glenn Dranoff, Kwok-Kin Wong
INTRODUCTION: Proinflammatory cytokine interleukin-17A (IL-17A) is overexpressed in a subset of patients with lung cancer. We hypothesized that IL-17A promotes a protumorigenic inflammatory phenotype and inhibits antitumor immune responses. METHODS: We generated bitransgenic mice expressing a conditional IL-17A allele along with conditional Kras(G12D) and performed immune phenotyping of mouse lungs, a survival analysis, and treatment studies with antibodies either blocking programmed cell death 1 (PD-1) or IL-6 or depleting neutrophils...
May 6, 2017: Journal of Thoracic Oncology
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