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https://www.readbyqxmd.com/read/28197884/therapies-of-early-advanced-and-late-onset-forms-of-axial-spondyloarthritis-and-the-need-for-treat-to-target-strategies
#1
REVIEW
Nurullah Akkoc, Gercek Can, Salvatore D'Angelo, Angela Padula, Ignazio Olivieri
PURPOSE OF REVIEW: This study aims to provide an update on current status of pharmacological therapies in early and advanced stages of axial spondyloarthritis (axSpA), as well as its late onset forms, and to discuss the need for treat to target strategies in this entity. RECENT FINDINGS: Efficacy of TNF inhibitors has been assessed in randomized controlled trials in axSpA, which included patients who had non-radiographic axSpA according to the ASAS classification criteria...
February 2017: Current Rheumatology Reports
https://www.readbyqxmd.com/read/28177259/radiation-induced-dermatitis-is-mediated-by-il17-expressing-%C3%AE-%C3%AE-t-cells
#2
Wupeng Liao, Tom K Hei, Simon K Cheng
Radiation dermatitis is a serious cutaneous injury caused by radiation therapy or upon accidental nuclear exposure. However, the pathogenic immune mechanisms underlying this injury are still poorly understood. We seek to discover how the dysregulated immune response after irradiation orchestrates skin inflammation. The skin on the left flank of C57BL/6J wild-type and C57BL/6J Tcrd(-/-) mice, which are deficit in γδ T cells, was exposed to a single X-ray dose of 25 Gy, and the right-flank skin was used as a sham-irradiated control...
February 8, 2017: Radiation Research
https://www.readbyqxmd.com/read/28167485/expression-of-th17-and-cd4-cd25-t-regulatory-cells-in-peripheral-blood-of-acute-leukemia-patients-and-their-prognostic-significance
#3
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...
November 2016: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28161961/genome-wide-gene-expression-pattern-underlying-differential-host-response-to-high-or-low-pathogenic-h5n1-avian-influenza-virus-in-ducks
#4
A Kumar, P Vijayakumar, P N Gandhale, P B Ranaware, H Kumar, D D Kulkarni, A A Raut, A Mishra
The differences in the influenza viral pathogenesis observed between different pathogenic strains are associated with distinct properties of virus strains and the host immune responses. In order to determine the differences in the duck immune response against two different pathogenic strains, we studied genome-wide host immune gene response of ducks infected with A/duck/India/02CA10/2011 and A/duck/Tripura/103597/2008 H5N1 viruses using custom-designed microarray. A/duck/India/02CA10/2011 is highly pathogenic virus (HP) to ducks, whereas A/duck/Tripura/103597/2008 is a low pathogenic (LP) virus strain...
February 6, 2017: Acta Virologica
https://www.readbyqxmd.com/read/28160754/the-role-of-il17b-il17rb-signaling-pathway-in-breast-cancer
#5
REVIEW
Vahideh Alinejad, Sanam Dolati, Morteza Motallebnezhad, Mehdi Yousefi
Breast cancer is the most important cause of death in women globally. Though, improved survival is due to the developments in the screening techniques, initial diagnosis, and advances in treatments. Numerous factors contributed in the progression of breast cancer, such as inflammation. The most significant factor involved in the inflammatory process, is T helper 17 (Th17) cells. Th17 cells have an exceptional role in many of inflammatory diseases like psoriasis, rheumatoid arthritis, and breast cancer through production of proinflammatory cytokine (IL17)...
February 1, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28158294/deep-proteome-mapping-of-wm-266-4-human-metastatic-melanoma-cells-from-oncogenic-addiction-to-druggable-targets
#6
Eumorphia G Konstantakou, Athanassios D Velentzas, Athanasios K Anagnostopoulos, Zoi I Litou, Ourania A Konstandi, Aikaterini F Giannopoulou, Ema Anastasiadou, Gerassimos E Voutsinas, George Th Tsangaris, Dimitrios J Stravopodis
Cutaneous melanoma is a malignant tumor of skin melanocytes that are pigment-producing cells located in the basal layer (stratum basale) of epidermis. Accumulation of genetic mutations within their oncogenes or tumor-suppressor genes compels melanocytes to aberrant proliferation and spread to distant organs of the body, thereby resulting in severe and/or lethal malignancy. Metastatic melanoma's heavy mutational load, molecular heterogeneity and resistance to therapy necessitate the development of novel biomarkers and drug-based protocols that target key proteins involved in perpetuation of the disease...
2017: PloS One
https://www.readbyqxmd.com/read/28150814/p-selectin-preserves-immune-tolerance-in-mice-and-is-reduced-in-human-cutaneous-lupus
#7
Rafael González-Tajuelo, Javier Silván, Alicia Pérez-Frías, María de la Fuente-Fernández, Reyes Tejedor, Marina Espartero-Santos, Esther Vicente-Rabaneda, Ángeles Juarranz, Cecilia Muñoz-Calleja, Santos Castañeda, Carlos Gamallo, Ana Urzainqui
Mice deficient in P-Selectin presented altered immunity/tolerance balance. We have observed that the absence of P-Selectin promotes splenomegaly with reduced naïve T cell population, elevated activated/effector T cell subset, increased germinal center B and Tfh populations and high production of autoreactive antibodies. Moreover, 1.5-3-month-old P-selectin KO mice showed reduced IL-10-producing leukocytes in blood and a slightly reduced Treg population in the skin. With aging and, coinciding with disease severity, there is an increase in the IL17(+) circulating and dermal T cell subpopulations and reduction of dermal Treg...
February 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28149838/anti-il17a-in-axial-spondyloarthritis-where-are-we-at
#8
Peter P Cheung
Knowledge regarding the mechanisms of the IL17-IL23 pathway and its role in spondyloarthritis (SpA) has been pivotal to the development of IL-17 blockade in patients with axial SpA. Previously, only anti-TNF has proven to be clinically efficacious in patients with active disease, despite non-steroidal anti-inflammatory drugs and physiotherapy. However, up to 50% fail to achieve a clinically significant response. Secukinumab, a fully humanized monoclonal antibody targeting IL-17A, has recently been approved for use in patients with active ankylosing spondylitis...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28148965/rapid-detection-of-functional-gene-polymorphisms-of-tlrs-and-il-17-using-high-resolution-melting-analysis
#9
Johanna Teräsjärvi, Antti Hakanen, Matti Korppi, Kirsi Nuolivirta, Kirsi Gröndahl-Yli-Hannuksela, Jussi Mertsola, Ville Peltola, Qiushui He
Genetic variations in toll-like receptors (TLRs) and IL-17A have been widely connected to different diseases. Associations between susceptibility and resistance to different infections and single nucleotide polymorphisms (SNPs) in TLR1 to TLR4 and IL17A have been found. In this study, we aimed to develop a rapid and high throughput method to detect functional SNPs of above mentioned proteins. The following most studied and clinically important SNPs: TLR1 (rs5743618), TLR2 (rs5743708), TLR3 (rs3775291), TLR4 (rs4986790) and IL17 (rs2275913) were tested...
February 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28107494/protective-roles-for-rgs2-in-a-mouse-model-of-house-dust-mite-induced-airway-inflammation
#10
Tresa George, Matthew Bell, Mainak Chakraborty, David P Siderovski, Mark A Giembycz, Robert Newton
The GTPase-accelerating protein, regulator of G-protein signalling 2 (RGS2) reduces signalling from G-protein-coupled receptors (GPCRs) that signal via Gαq. In humans, RGS2 expression is up-regulated by inhaled corticosteroids (ICSs) and long-acting β2-adrenoceptor agonists (LABAs) such that synergy is produced in combination. This may contribute to the superior clinical efficacy of ICS/LABA therapy in asthma relative to ICS alone. In a murine model of house dust mite (HDM)-induced airways inflammation, three weeks of intranasal HDM (25 μg, 3×/week) reduced lung function and induced granulocytic airways inflammation...
2017: PloS One
https://www.readbyqxmd.com/read/28027637/sexual-dimorphism-in-interleukin-17a-and-adipocytokines-and-their-association-with-insulin-resistance-among-obese-adolescents-in-yogyakarta-indonesia
#11
Rina Susilowati, Dian Caturini Sulistyoningrum, Ni Putu Diah Witari, Emy Huriyati, Harry Freitag Luglio, Madarina Julia
BACKGROUND AND OBJECTIVES: Pro-inflammatory cytokines interleukin 17A (IL-17), leptin, and adiponectin have been associated with obesity and insulin resistance. Moreover, differences in sex and ethnicity as well as plasma concentration of adipocytokines and cytokines have been associated with the risk of insulin resistance. This study was conducted to elucidate whether sex differences exist in the risk of insulin resistance in Indonesian adolescents and to determine how plasma leptin, adiponectin, and IL-17 predict insulin resistance...
December 2016: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28010726/increase-in-circulating-th17-cells-during-anti-tnf-therapy-is-associated-with-ultrasonographic-improvement-of-synovitis-in-rheumatoid-arthritis
#12
Dobrina N Hull, Helen Cooksley, Shilpa Chokshi, Richard O Williams, Sonya Abraham, Peter C Taylor
BACKGROUND: Anti-TNF agents have revolutionised rheumatoid arthritis (RA) treatment; however, a third of patients fail to achieve therapeutic responses. Unexpectedly, studies in murine and human arthritis have indicated that anti-TNF treatment can increase circulating T helper 17 (Th17) cells, but the relationship to treatment response is unclear. To identify immune correlates of anti-TNF treatment response, we conducted a longitudinal study using clinical, ultrasound and T cell assessments...
December 23, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28006890/serum-cytokines-in-paediatric-neuropsychiatric-syndromes-focus-on-attention-deficit-hyperactivity-disorder
#13
Renato Donfrancesco, Paola Nativio, Edoardo Borrelli, Eleonora Giua, Elda Andriola, Maria P Villa, Michela DI Trani
BACKGROUND: Inflammation may represent a common underlying mechanism in a wide range of diseases, including neuropsychiatric disorders. Cytokine involvement has been investigated in some studies on patients with childhood neuropsychiatric diseases. The aim of this study was to determine whether cytokines are involved in ADHD to provide a rationale for immune-based therapeutic strategies in this disorder. METHODS: Sixty children were studied: 34 consecutive drug-naïve children with ADHD (30 males and 4 females; mean age of 10...
December 22, 2016: Minerva Pediatrica
https://www.readbyqxmd.com/read/27999768/il17-producing-%C3%AE-%C3%AE-t-cells-may-enhance-humoral-immunity-during-pulmonary-pseudomonas-aeruginosa-infection-in-mice
#14
Tingting Pan, Ruoming Tan, Meiling Li, Zhaojun Liu, Xiaoli Wang, Lijun Tian, Jialin Liu, Hongping Qu
The host acquired immune response, especially the humoral immunity, plays key roles in preventing bacterial pneumonia in the lung. Our previous research demonstrated that interleukin 17-producing γδ T cells (IL17-γδ T cells) have a protective effect on the early innate immune response during acute pulmonary Pseudomonas aeruginosa infection. However, whether IL17-γδ T cells also play a role in humoral immunity is unknown. In this study, an acute pulmonary P. aeruginosa infection model was established in wild-type and γδ TCR(-/-) C57BL/6 mice...
2016: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/27992487/changes-in-host-cytokine-patterns-of-tb-patients-with-different-bacterial-loads-detected-using-16s-rrna-analysis
#15
Rhiannon Heslop, Adama L Bojang, Sheikh Jarju, Joseph Mendy, Sarah Mulwa, Ousman Secka, Francis S Mendy, Olumuyiwa Owolabi, Beate Kampmann, Jayne S Sutherland
BACKGROUND: Tuberculosis (TB) has overtaken HIV as the biggest infectious disease killer, with the majority of deaths occurring in sub-Saharan Africa. However it is unknown how differences in bacterial load alter host immune profiles in the sputum and blood of TB patients. METHODS: 16S ribosomal RNA analysis was used to determine bacterial load in sputum samples obtained from 173 patients with active TB (57 pre-treatment and 116 post-treatment). Host analyte concentrations in sputum and Mycobacterium tuberculosis (Mtb) antigen stimulated whole blood assay supernatants were analysed using multiplex cytokine arrays...
2016: PloS One
https://www.readbyqxmd.com/read/27982551/use-of-biological-treatments-in-patients-with-hidradenitis-suppurativa
#16
Gemma Martin-Ezquerra, Emili Masferrer, Ramon M Pujol
Pilosebaceous unit occlusion and secondary inflammatory perifollicular lympho-histiocytic infiltration seem to be the underlying etiopathogenic mechanisms giving rise to hidradenitis suppurativa (HS). Increased levels of tumor necrosis factor (TNF)-alpha and other cytokines such as interleukins 12 and 23 (IL12/23) and interleukins 10 and 17 have been observed in HS lesional skin. Biological drugs have been reported to be effective for HS, but the level and duration of the response are quite variable. Among anti-TNF drugs, adalimumab and infliximab are the drugs that seem to obtain better results in HS...
December 16, 2016: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/27956797/ex-vivo-response-to-mucosal-bacteria-and-muramyl-dipeptide-in-inflammatory-bowel-disease
#17
Claudia Loganes, Erica Valencic, Alessia Pin, Elisa Marini, Stefano Martelossi, Samuele Naviglio, Luigina De Leo, Tarcisio Not, Lorenzo Monasta, Alberto Tommasini, Annalisa Marcuzzi
AIM: To evaluate how mucosal bacteria impact on the spontaneous and muramyl dipeptide (MDP)-induced inflammation in Crohn's disease (CD) and ulcerative colitis (UC). METHODS: Colonic mucosal biopsies were collected from children with active or remissive CD, UC and controls. Two tissue samples were taken from inflamed mucosal segments (in patients with active disease) or from non-inflamed mucosa [in patients in remission or in healthy controls (HC)]. Experiments were performed in the presence or absence of antibiotics, to assess whether the disease-associated microbiota can modulate the cytokine response ex vivo...
November 28, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27931518/vitamin-c-enhances-the-expression-of-il17-in-a-jmjd2-dependent-manner
#18
Mi Hye Song, Varun Sasidharan Nair, Kwon Ik Oh
Previously, we reported that vitamin C facilitates the CpG demethylation of Foxp3 enhancer in CD4+Foxp3+ regulatory T cells (Tregs) by enhancing the activity of a DNA demethylase ten-eleven-translocation (Tet). However, it is not clear whether vitamin C affects other helper T cell lineages like T helper type 17 (Th17) cells which are related with Tregs. Here, we show that the expression of interleukin-17A (IL17) increases with the treatment of vitamin C but not with other antioxidants. Interestingly, the upregulation of IL17 was not accompanied by DNA demethylation in Il17 promoter and was independent of Tet enzymes...
December 9, 2016: BMB Reports
https://www.readbyqxmd.com/read/27917210/association-of-interleukin-17-angiotensin-ii-with-refractory-hypertension-risk-in-hemodialysis-patients
#19
Zebin Wang, Wei Shi, Xinling Liang, Wenjian Wang, Jianbo Liang
OBJECTIVE: The study was performed to investigate the association of interleukin 17 (IL 17) or angiotensin II (Ang II) with refractory hypertension risk in hemodialysis patients. METHODS: Ninety hemodialysis patients were enrolled into this study, and those with hypertension were divided into two groups. The Easy-to-Control Hypertension group (ECHG) had fifty patients, while the refractory hypertension group (RHG) had forty patients. Twenty healthy individuals were recruited as the control group...
September 2016: African Health Sciences
https://www.readbyqxmd.com/read/27893414/recombinant-haemonchus-contortus-24-kda-excretory-secretory-protein-rhces-24-modulate-the-immune-functions-of-goat-pbmcs-in-vitro
#20
Javaid Ali Gadahi, Baojie Li, Muhammad Ehsan, Shuai Wang, Zhenchao Zhang, Yujian Wang, Muhammad Waqqas Hasan, Ruofeng Yan, Xiaokai Song, Lixin Xu, Xiangrui Li
A 24 kDa protein is one of the important components in Haemonchus contortus (barber pole worm) excretory/secretory products (HcESPs), which was shown to have important antigenic function. However, little is known about the immunomodulatory effects of this proteinon host cell. In the present study gene encoding 24kDa excretory/secretory protein (HcES-24) was cloned. The recombinant protein of HcES-24 (rHcES-24) was expressed in a histidine-tagged fusion protein soluble form in Escherichia coli. Binding activity of rHcES-24 to goat PBMCs was confirmed by immunofluorescence assay (IFA) and its immunomudulatory effect on cytokine secretion, cell proliferation, cell migration and nitric oxide production were observed by co-incubation of rHcES-24...
November 21, 2016: Oncotarget
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