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https://www.readbyqxmd.com/read/29763370/novel-interleukin-33-and-its-soluble-st2-receptor-as-potential-serum-biomarkers-in-parotid-gland-tumors
#1
Sowa Pawel, Misiolek Maciej, Zielinski Maciej, Mazur Bogdan, Adamczyk-Sowa Monika
An increasing number of patients with parotid gland tumors have been observed in recent years. The relationship between the immune system and tumor formation is thoroughly investigated. However, newly discovered molecules offer a new insight into the pathophysiology of malignancies. It would be ideal to find an easily determinable biomarker of tumor existence, its malignant potential or a biomarker suggesting the probability of disease recurrence. Our study is the first to examine serum concentrations of IL-33 and its sST2 receptor in patients with various types of parotid gland tumors...
May 2018: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29736291/optimization-of-cytokine-milieu-to-reproduce-atopic-dermatitis-related-gene-expression-in-hacat-keratinocyte-cell-line
#2
Hee Joo Kim, Jinok Baek, Jong Rok Lee, Joo Young Roh, YunJae Jung
Although atopic dermatitis (AD) is characterized by cytokine production predominantly mediated by T helper (Th) 2 cells, AD pathogenesis also involves innate immune and Th1 cells. To optimize the cytokine milieu required for accurate reproduction of AD-related gene expression profile in vitro , we evaluated the expression pattern of CCL22 , CCL17 , IL5 , IL13 , IL33 , IL25 , TSLP , FLG , and LOR in human lesional AD skin and cytokine-stimulated HaCaT cells. An increase in Th2 mediators ( IL5 , IL13 , CCL22 , CCL17, IL25 , IL33 , and TSLP ) and a decrease in genes related to cornified cell envelope (filaggrin and loricrin) were observed in human AD lesions...
April 2018: Immune Network
https://www.readbyqxmd.com/read/29724254/radical-containing-combustion-derived-particulate-matter-enhance-pulmonary-th17-inflammation-via-the-aryl-hydrocarbon-receptor
#3
Sridhar Jaligama, Vivek S Patel, Pingli Wang, Asmaa Sallam, Jeffrey Harding, Matthew Kelley, Skylar R Mancuso, Tammy R Dugas, Stephania A Cormier
BACKGROUND: Pollutant particles containing environmentally persistent free radicals (EPFRs) are formed during many combustion processes (e.g. thermal remediation of hazardous wastes, diesel/gasoline combustion, wood smoke, cigarette smoke, etc.). Our previous studies demonstrated that acute exposure to EPFRs results in dendritic cell maturation and Th17-biased pulmonary immune responses. Further, in a mouse model of asthma, these responses were enhanced suggesting exposure to EPFRs as a risk factor for the development and/or exacerbation of asthma...
May 3, 2018: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/29722022/an-st2-dependent-role-of-bone-marrow-derived-group-2-innate-lymphoid-cells-in-pulmonary-fibrosis
#4
Yuyue Zhao, Francina Gonzalez De Los Santos, Zhe Wu, Tianju Liu, Sem H Phan
Recent evidence supports that bone marrow (BM)-derived hematopoietic progenitor cells play an important role in lung injury and fibrosis. While these cells give rise to multiple cell types, the ST2 (Il1rl1)-expressing group 2 innate lymphoid cells (ILC2) derived from BM progenitors have been implicated in tissue repair and remodeling, including in lung fibrosis. To further investigate the precise role of BM-derived ILC2 in the pathogenesis of fibrotic lung disease their importance in the bleomycin-induced lung fibrosis model was evaluated by analyzing the effects of selective ST2 deficiency in the BM compartment...
May 3, 2018: Journal of Pathology
https://www.readbyqxmd.com/read/29705246/profilin-mediated-food-allergic-reactions-are-associated-with-oral-epithelial-remodeling
#5
Domenico Rosace, Cristina Gomez-Casado, Paloma Fernandez, Marina Pérez Gordo, María Del Carmen Dominguez, Angel Vega, María Teresa Belver, Tania Ramos, Francisco Vega, Guadalupe Marco, Manuel de Pedro, Leticia Sanchez, María de Las Mercedes Arnas, Marcela Santaolalla, Miguel Ángel Saez, Sara Benedé, Montserrat Fernandez-Rivas, Carlos Blanco, Maria Isabel Alvarado, María M Escribese, Domingo Barber
BACKGROUND: In areas of high exposure to grass pollen, allergic patients are frequently sensitized to profilin, and some develop severe profilin-mediated food reactions. This specific population of patients is ideal to study the relationship between respiratory and food allergies. OBJECTIVE: To determine the role of oral mucosa epithelial barrier integrity in profilin-mediated allergic reactions. METHODS: 38 profilin-allergic patients, stratified into mild or severe according to their clinical history and response to profilin challenge test, together with 6 non-allergic subjects were recruited...
April 26, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29691411/analysis-of-predicted-loss-of-function-variants-in-uk-biobank-identifies-variants-protective-for-disease
#6
Connor A Emdin, Amit V Khera, Mark Chaffin, Derek Klarin, Pradeep Natarajan, Krishna Aragam, Mary Haas, Alexander Bick, Seyedeh M Zekavat, Akihiro Nomura, Diego Ardissino, James G Wilson, Heribert Schunkert, Ruth McPherson, Hugh Watkins, Roberto Elosua, Matthew J Bown, Nilesh J Samani, Usman Baber, Jeanette Erdmann, Namrata Gupta, John Danesh, Daniel Chasman, Paul Ridker, Joshua Denny, Lisa Bastarache, Judith H Lichtman, Gail D'Onofrio, Jennifer Mattera, John A Spertus, Wayne H-H Sheu, Kent D Taylor, Bruce M Psaty, Stephen S Rich, Wendy Post, Jerome I Rotter, Yii-Der Ida Chen, Harlan Krumholz, Danish Saleheen, Stacey Gabriel, Sekar Kathiresan
Less than 3% of protein-coding genetic variants are predicted to result in loss of protein function through the introduction of a stop codon, frameshift, or the disruption of an essential splice site; however, such predicted loss-of-function (pLOF) variants provide insight into effector transcript and direction of biological effect. In >400,000 UK Biobank participants, we conduct association analyses of 3759 pLOF variants with six metabolic traits, six cardiometabolic diseases, and twelve additional diseases...
April 24, 2018: Nature Communications
https://www.readbyqxmd.com/read/29674622/il-33-st2-axis-mediates-hyperplasia-of-intrarenal-urothelium-in-obstructive-renal-injury
#7
Wei-Yu Chen, Jenq-Lin Yang, Yi-Hsiu Wu, Lung-Chih Li, Ru-Fang Li, Ya-Ting Chang, Lo-Hsin Dai, Wan-Chen Wang, Ya-Jen Chang
The monolayered intrarenal urothelium covers the renal papilla and ureteropelvic junction (UPJ). In response to increased renal pressure during obstruction or ischemic injuries, intrarenal urothelial cells begin to proliferate and form a multilayered urothelium. Little is known regarding the mechanism and pathophysiological role of urothelium hyperplasia during renal obstruction. In this study, we investigated the expression of interleukin (IL)-33, an IL-1 family cytokine, in kidneys with unilateral ureteral obstruction (UUO)-induced obstructive injury...
April 20, 2018: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29605933/modeling-structure-and-dynamics-of-protein-complexes-with-saxs-profiles
#8
Dina Schneidman-Duhovny, Michal Hammel
Small-angle X-ray scattering (SAXS) is an increasingly common and useful technique for structural characterization of molecules in solution. A SAXS experiment determines the scattering intensity of a molecule as a function of spatial frequency, termed SAXS profile. SAXS profiles can be utilized in a variety of molecular modeling applications, such as comparing solution and crystal structures, structural characterization of flexible proteins, assembly of multi-protein complexes, and modeling of missing regions in the high-resolution structure...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29601110/expression-of-novel-locgef-isoforms-of-arhgef18-in-eosinophils
#9
Keren B Turton, Emily M Wilkerson, Alex S Hebert, Frances J Fogerty, Hazel M Schira, Fady E Botros, Joshua J Coon, Deane F Mosher
Genomic, transcriptomic and proteomic databases indicate that the N-terminal 322 residues encoded by the presumptive LOC100996504 gene, which is adjacent to the ARHGEF18 guanine nucleotide exchange factor gene on chromosome 19, constitute the N-terminal portion of a 1361-residue isoform of ARHGEF18, dubbed LOCGEF-X3. LOCGEF-X3 arises from the use of a leukocyte-specific alternative transcriptional start site and splicing that bypasses the initial noncoding exon of the canonical 1015-residue ARHGEF18 isoform, p114...
March 30, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29463593/interleukin-33-signaling-restrains-sporadic-colon-cancer-in-an-interferon-%C3%AE-dependent-manner
#10
Moritz F Eissmann, Christine Dijkstra, Merridee A Wouters, David Baloyan, Dmitri Mouradov, Paul M Nguyen, Mercedes Davalos-Salas, Tracy L Putoczki, Oliver M Sieber, John M Mariadason, Matthias Ernst, Frederick Masson
Interleukin 33 (IL33) is an inflammatory cytokine released during necrotic cell death. The epithelium and stroma of the intestine express large amounts of IL33 and its receptor St2. IL33 is therefore continuously released during homeostatic turnover of the intestinal mucosa. Although IL33 can prevent colon cancer associated with inflammatory colitis, the contribution of IL33 signaling to sporadic colon cancer remains unknown. Here, we utilized a mouse model of sporadic colon cancer to investigate the contribution of IL33 signaling to tumorigenesis in the absence of preexisting inflammation...
April 2018: Cancer Immunology Research
https://www.readbyqxmd.com/read/29424312/association-of-il33-and-il1rap-polymorphisms-with-acute-anterior-uveitis
#11
X-F Huang, W Chi, D Lin, M-L Dai, Y-L Wang, Y-M Yang, Z-B Jin, Y Wang
BACKGROUND: AAU (acute anterior uveitis) is the most common entity of uveitis characterized by acute vision loss and violent sore eyes. IL-33 and IL-1RacP have been found to play crucial roles in the innate immune system. OBJECTIVE: In the present study, we investigated the association of IL33 and IL1RAP genes with AAU. METHOD: A total of 549 AAU patients and 1080 unrelated healthy controls were recruited for this study. Ten single nucleotide polymorphisms (SNPs) were genotyped using Sequenom Mass ARRAY technology...
March 9, 2018: Current Molecular Medicine
https://www.readbyqxmd.com/read/29415756/fli1-haploinsufficient-dermal-fibroblasts-promote-skin-localized-transdifferentiation-of-th2-like-regulatory-t-cells
#12
Ryosuke Saigusa, Yoshihide Asano, Takashi Taniguchi, Megumi Hirabayashi, Kouki Nakamura, Shunsuke Miura, Takashi Yamashita, Takehiro Takahashi, Yohei Ichimura, Tetsuo Toyama, Ayumi Yoshizaki, Maria Trojanowska, Shinichi Sato
BACKGROUND: Friend leukemia virus integration 1 (Fli1) deficiency, a predisposing factor of systemic sclerosis (SSc), induces SSc-like phenotypes in various cell types. A recent study demonstrated the transdifferentiation of T helper type 2 cell (Th2)-like regulatory T cells (Tregs) in SSc lesional skin through interleukin (IL)-33 produced by fibroblasts. Therefore, we investigated the role of Fli1 deficiency in dermal fibroblast-mediated transdifferentiation of Tregs. METHODS: Cytokine expression was assessed in Tregs by flow cytometry and in skin samples and cultivated cells by immunostaining, immunoblotting, and/or qRT-PCR...
February 7, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29407576/the-genes-involved-in-asthma-with-the-treatment-of-human-embryonic-stem-cell-derived-mesenchymal-stem-cells
#13
Yong-Dong Lin, Xing-Liang Fan, Hong Zhang, Shu-Bin Fang, Cheng-Lin Li, Meng-Xia Deng, Zi-Li Qin, Ya-Qi Peng, Hong-Yu Zhang, Qing-Ling Fu
BACKGROUND: Asthma is affecting more than 300 million people worldwide, which represents the most common chronic disease among children. We previously found that mesenchymal stem cells (MSCs) derived from induced pluripotent stem cells (iPSCs) modulated the immune response on Th2-mediated asthma in vivo and in vitro. This study further evaluated the immunomodulatory effects of MSCs from human embryonic stem cells (hESCs) on asthma. METHODS: Multipotent hESC-MSCs were obtained using a feeder-free method...
March 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29385715/different-achilles-tendon-pathologies-show-distinct-histological-and-molecular-characteristics
#14
Franka Klatte-Schulz, Susann Minkwitz, Aysha Schmock, Nicole Bormann, Alper Kurtoglu, Serafeim Tsitsilonis, Sebastian Manegold, Britt Wildemann
Reasons for the development of chronic tendon pathologies are still under debate and more basic knowledge is needed about the different diseases. The aim of the present study was therefore to characterize different acute and chronic Achilles tendon disorders. Achilles tendon samples from patients with chronic tendinopathy ( n = 7), chronic ruptures ( n = 6), acute ruptures ( n = 13), and intact tendons ( n = 4) were analyzed. The histological score investigating pathological changes was significantly increased in tendinopathy and chronic ruptures compared to acute ruptures...
January 30, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29379874/behavioral-changes-in-mice-lacking-interleukin-33
#15
Eisuke Dohi, Eric Y Choi, Indigo V L Rose, Akiho S Murata, Sharon Chow, Minae Niwa, Shin-Ichi Kano
Interleukin (IL)-33 is a member of the IL-1 family of cytokines. IL-33 is expressed in nuclei and secreted as alarmin upon cellular damage to deliver a danger signal to the surrounding cells. Previous studies showed that IL-33 is expressed in the brain and that it is involved in neuroinflammatory and neurodegenerative processes in both humans and rodents. Nevertheless, the role of IL-33 in physiological brain function and behavior remains unclear. Here, we have investigated the behaviors of mice lacking IL-33 ( Il33 -/- mice)...
November 2017: ENeuro
https://www.readbyqxmd.com/read/29378942/male-specific-il-33-expression-regulates-sex-dimorphic-eae-susceptibility
#16
Abigail E Russi, Mark E Ebel, Yuchen Yang, Melissa A Brown
The cellular and molecular basis of sex-dimorphic autoimmune diseases, such as the CNS demyelinating disease multiple sclerosis (MS), remains unclear. Our studies in the SJL mouse model of MS, experimental autoimmune encephalomyelitis (EAE), reveal that sex-determined differences in Il33 expression by innate immune cells in response to myelin peptide immunization regulate EAE susceptibility. IL-33 is selectively induced in PLP139-151 -immunized males and activates type 2 innate lymphoid cells (ILC2s), cells that promote and sustain a nonpathogenic Th2 myelin-specific response...
February 13, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29285217/identification-of-novel-gene-expression-signature-in-lung-adenocarcinoma-by-using-next-generation-sequencing-data-and-bioinformatics-analysis
#17
Ya-Ling Hsu, Jen-Yu Hung, Yen-Lung Lee, Feng-Wei Chen, Kuo-Feng Chang, Wei-An Chang, Ying-Ming Tsai, Inn-Wen Chong, Po-Lin Kuo
Lung adenocarcinoma is one of the leading causes of cancer-related death worldwide. We showed transcriptomic profiles in three pairs of tumors and adjacent non-tumor lung tissues using next-generation sequencing (NGS) to screen protein-coding RNAs and microRNAs. Combined with meta-analysis from the Oncomine and Gene Expression Omnibus (GEO) databases, we identified a representative genetic expression signature in lung adenocarcinoma. There were 9 upregulated genes, and 8 downregulated genes in lung adenocarcinoma...
December 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/29247993/interleukin-33-il-33-a-nuclear-cytokine-from-the-il-1-family
#18
REVIEW
Corinne Cayrol, Jean-Philippe Girard
Interleukin-33 (IL-33) is a tissue-derived nuclear cytokine from the IL-1 family abundantly expressed in endothelial cells, epithelial cells and fibroblast-like cells, both during homeostasis and inflammation. It functions as an alarm signal (alarmin) released upon cell injury or tissue damage to alert immune cells expressing the ST2 receptor (IL-1RL1). The major targets of IL-33 in vivo are tissue-resident immune cells such as mast cells, group 2 innate lymphoid cells (ILC2s) and regulatory T cells (Tregs)...
January 2018: Immunological Reviews
https://www.readbyqxmd.com/read/29210060/genome-wide-association-study-identifies-the-gldc-il33-locus-associated-with-survival-of-osteosarcoma-patients
#19
Roelof Koster, Orestis A Panagiotou, William A Wheeler, Eric Karlins, Julie M Gastier-Foster, Silvia Regina Caminada de Toledo, Antonio S Petrilli, Adrienne M Flanagan, Roberto Tirabosco, Irene L Andrulis, Jay S Wunder, Nalan Gokgoz, Ana Patiño-Garcia, Fernando Lecanda, Massimo Serra, Claudia Hattinger, Piero Picci, Katia Scotlandi, David M Thomas, Mandy L Ballinger, Richard Gorlick, Donald A Barkauskas, Logan G Spector, Margaret Tucker, D Hicks Belynda, Meredith Yeager, Robert N Hoover, Sholom Wacholder, Stephen J Chanock, Sharon A Savage, Lisa Mirabello
Survival rates for osteosarcoma, the most common primary bone cancer, have changed little over the past three decades and are particularly low for patients with metastatic disease. We conducted a multi-institutional genome-wide association study (GWAS) to identify germline genetic variants associated with overall survival in 632 patients with osteosarcoma, including 523 patients of European ancestry and 109 from Brazil. We conducted a time-to-event analysis and estimated hazard ratios (HR) and 95% confidence intervals (CI) using Cox proportional hazards models, with and without adjustment for metastatic disease...
April 15, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29196629/immune-and-imaging-correlates-of-mild-cognitive-impairment-conversion-to-alzheimer-s-disease
#20
Francesca La Rosa, Marina Saresella, Francesca Baglio, Federica Piancone, Ivana Marventano, Elena Calabrese, Raffaello Nemni, Enrico Ripamonti, Monia Cabinio, Mario Clerici
Amnestic mild cognitive impairment (aMCI) conversion to Alzheimer's disease (AD) is seen in a sizable portion of aMCI patients; correlates predicting such conversion are poorly defined but neuroinflammation and the reactivation of chronic viral infections are suspected to play a role in this phenomenon. We analyzed these aspects in two homogeneous groups of aMCI who did or did not convert to AD over a 24-months period. Results showed that at baseline in those aMCI individuals who did not convert to AD: 1) Aβ1-42 stimulated production of the pro-inflammatory cytokines IL6 and IL1β by CD14+ cells was significantly reduced (p = 0...
December 1, 2017: Scientific Reports
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