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https://www.readbyqxmd.com/read/27921309/hypoxia-inducible-factor-1%C3%AE-induced-interleukin-33-expression-in-intestinal-epithelia-contributes-to-mucosal-homeostasis-in-inflammatory-bowel-disease
#1
M Sun, C He, W Wu, G Zhou, F Liu, Y Cong, Z Liu
Intestinal epithelial cells (IECs), an important barrier to gut microbiota, are subject to low oxygen tension, particularly during intestinal inflammation. Hypoxia inducible factor-1α (HIF-1α) is expressed highly in the inflamed mucosa of inflammatory bowel disease (IBD) and functions as a key regulator in maintenance of intestinal homeostasis. However, how IEC-derived HIF-1α regulates intestinal immune responses in IBD is still not understood completely. We report here that the expression of HIF-1α and IL-33 was increased significantly in the inflamed mucosa of IBD patients as well as mice with colitis induced by dextran sulphate sodium (DSS)...
November 7, 2016: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/27918564/interleukin-33-induced-expression-of-pibf1-by-decidual-b-cells-protects-against-preterm-labor
#2
Bihui Huang, Azure N Faucette, Michael D Pawlitz, Bo Pei, Joshua W Goyert, Jordan Zheng Zhou, Nadim G El-Hage, Jie Deng, Jason Lin, Fayi Yao, Robert S Dewar, Japnam S Jassal, Maxwell L Sandberg, Jing Dai, Montserrat Cols, Cong Shen, Lisa A Polin, Ronald A Nichols, Theodore B Jones, Martin H Bluth, Karoline S Puder, Bernard Gonik, Nihar R Nayak, Elizabeth Puscheck, Wei-Zen Wei, Andrea Cerutti, Marco Colonna, Kang Chen
Preterm birth (PTB) is a leading cause of neonatal death worldwide. Intrauterine and systemic infection and inflammation cause 30-40% of spontaneous preterm labor (PTL), which precedes PTB. Although antibody production is a major immune defense mechanism against infection, and B cell dysfunction has been implicated in pregnancy complications associated with PTL, the functions of B cells in pregnancy are not well known. We found that choriodecidua of women undergoing spontaneous PTL harbored functionally altered B cell populations...
December 5, 2016: Nature Medicine
https://www.readbyqxmd.com/read/27917896/astragaloside-iv-ameliorates-allergic-inflammation-by-inhibiting-key-initiating-factors-in-the-initial-stage-of-sensitization
#3
Kai-Fan Bao, Xi Yu, Xiao Wei, Li-Li Gui, Hai-Liang Liu, Xiao-Yu Wang, Yu Tao, Guo-Rong Jiang, Min Hong
To illuminate the anti-allergy mechanism of astragaloside IV (AS-IV), we assessed its effects in a murine model of allergic contact dermatitis (ACD). AS-IV administered in the sensitization phase, rather than in the elicitation phase, dramatically alleviated the symptoms of allergic inflammation. We hypothesized that AS-IV exerts its anti-allergy effects by regulating the production of key pro-allergic cytokines based on the fact that interleukin (IL)-33 and thymic stromal lymphopoietin (TSLP) levels increase significantly in the initial stage of the sensitization phase...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27917263/changes-in-cellular-proliferation-and-plasma-products-are-associated-with-liver-failure
#4
Juliana Gil Melgaço, Frederico Marianetti Soriani, Pedro Henrique Ferreira Sucupira, Leonardo Assaf Pinheiro, Yasmine Rangel Vieira, Jaqueline Mendes de Oliveira, Lia Laura Lewis-Ximenez, Cristina Carvalho Vianna Araújo, Lúcio Filgueiras Pacheco-Moreira, Gustavo Batista Menezes, Oswaldo Gonçalves Cruz, Claudia Lamarca Vitral, Marcelo Alves Pinto
AIM: To study the differences in immune response and cytokine profile between acute liver failure and self-limited acute hepatitis. METHODS: Forty-six patients with self-limited acute hepatitis (AH), sixteen patients with acute liver failure (ALF), and twenty-two healthy subjects were involved in this study. The inflammatory and anti-inflammatory products in plasma samples were quantified using commercial enzyme-linked immunoassays and quantitative real-time PCR...
November 18, 2016: World Journal of Hepatology
https://www.readbyqxmd.com/read/27916033/-the-early-changes-of-respiratory-system-resistance-and-%C3%AE-%C3%AE-t-lymphocytes-infiltrated-in-graft-after-lung-transplantation-of-mouse
#5
Q R Chen, L F Wang, Y M Zhang, J N Xu, H Li, Y Z Ding
Objectives: To generate an orthotopic left lung transplantation model in mice, and to observe the early changes of respiratory system resistance and γδT lymphocytes infiltrated in grafts. Methods: The research time was from March 2014 to May 2015. The male C57BL/6 mice (n=35) and BALB/c mice (syngenic group, n=10) were randomly divided into five groups. Control group (n=5): wild C57BL/6 mice; syngenic transplant group (n=10): C57BL/6→C57BL/6; allogenic transplant group(allogenic group, n=10): BALB/c→C57BL/6; each transplant group was randomly divided into 3-day and 7-day subgroups (n=5)...
December 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/27909880/il-9-producing-cells-in-the-development-of-ige-mediated-food-allergy
#6
REVIEW
Dana Shik, Sunil Tomar, Jee-Boong Lee, Chun-Yu Chen, Andrew Smith, Yui-Hsi Wang
Food allergy is a harmful immune reaction driven by uncontrolled type 2 immune responses. Considerable evidence demonstrates the key roles of mast cells, IgE, and TH2 cytokines in mediating food allergy. However, this evidence provides limited insight into why only some, rather than all, food allergic individuals are prone to develop life-threatening anaphylaxis. Clinical observations suggest that patients sensitized to food through the skin early in life may later develop severe food allergies. Aberrant epidermal thymic stromal lymphopoietin and interleukin (IL) 33 production and genetic predisposition can initiate an allergic immune response mediated by dendritic cells and CD4(+)TH2 cells in inflamed skin...
December 1, 2016: Seminars in Immunopathology
https://www.readbyqxmd.com/read/27907155/outer-balloon-ligation-increases-success-rate-of-ischemia-reperfusion-injury-model-in-mice
#7
Fengwang Hu, Nana Zhai, Wen Gao, Pei Wu, Yuanyuan Luo, Defeng Pan, Yang Liu, Dongye Li
BACKGROUND: Coronary artery disease is a growing public health problem and a major cause of morbidity and mortality. Experimental animal models provide valuable tools for studying myocardial ischemia reperfusion (I/R) injury in vivo. OBJECTIVE: The purpose of this study was to describe a new method (outer balloon ligation) to induce myocardial I/R injury in mice. METHODS: Ninety-nine male C57BL/6J mice were randomly divided into three groups: sham group, classic method group (I/R-C) and the new method group (I/R-N)...
2016: PloS One
https://www.readbyqxmd.com/read/27904856/primary-hepatic-malignant-peripheral-nerve-sheath-tumor-successfully-treated-with-combination-therapy-a-case-report-and-literature-review
#8
Hae Il Jung, Hyoung Uk Lee, Tae Sung Ahn, Jong Eun Lee, Hyun Yong Lee, Hyon Doek Cho, Sang Cheol Lee, Sang Ho Bae
Primary malignant peripheral nerve sheath tumor (MPNST) in a young female patient, not associated with neurofibromatosis type-I is extremely rare in the liver. A 33-year-old female was admitted with a right flank pain for a weak. The CT scan showed 12.5-cm-sized mass located at the right hepatic lobe. At laparotomy, about 20.0-cm-sized mass was on the right hepatic lobe with attachment to right diaphragmatic pleura. Right hepatic lobe and adherent part of diaphragmatic pleura were resected. On histology and immunohistochemistry, it was diagnosed MPNST...
December 2016: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/27904001/reninoma-masked-by-the-use-of-an-angiotensin-receptor-blocker
#9
Min Jung Kim, Joo Hui Kim, Il Young Kim, Dong Won Lee, Soo Bong Lee
Reninoma is a tumor that secretes excessive renin and is a rare cause of secondary hypertension. We report a case of reninoma with delayed diagnosis in a 33-year-old woman taking an angiotensin receptor blocker. During angiotensin receptor blocker medication, she had exhibited no electrolyte abnormality. The angiotensin receptor blocker was stopped for pregnancy planning purposes, and subsequent hypokalemia was observed. Abdominal computed tomography showed an enhanced round mass in the right kidney. Right partial nephrectomy was performed and the renal mass was removed...
November 2016: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/27902884/synthesis-and-biological-evaluation-of-new-triazolo-and-imidazolopyridine-ror%C3%AE-t-inverse-agonists
#10
Samuel Hintermann, Christine Guntermann, Henri Mattes, David A Carcache, Juergen Wagner, Anna Vulpetti, Andreas Billich, Janet Dawson, Klemens Kaupmann, Joerg Kallen, Rowan Stringer, David Orain
Retinoic-acid-related orphan receptor γt (RORγt) is a key transcription factor implicated in the production of pro-inflammatory Th17 cytokines, which drive a number of autoimmune diseases. Despite diverse chemical series having been reported, combining high potency with a good physicochemical profile has been a very challenging task in the RORγt inhibitor field. Based on available chemical structures and incorporating in-house knowledge, a new series of triazolo- and imidazopyridine RORγt inverse agonists was designed...
November 30, 2016: ChemMedChem
https://www.readbyqxmd.com/read/27902750/evaluation-of-matrix-metalloproteinases-cytokines-and-their-potential-role-in-the-development-of-ovarian-cancer
#11
Mahmood Rasool, Arif Malik, Muhammad Abdul Basit Ashraf, Gulshan Parveen, Shazia Iqbal, Irfan Ali, Mahmood Husain Qazi, Muhammad Asif, Kashif Kamran, Asim Iqbal, Saima Iram, Sami Ullah Khan, Mohammad Zahid Mustafa, Ahmad Zaheer, Rozeena Shaikh, Hani Choudhry, Mohammad Sarwar Jamal
BACKGROUND: Ovarian cancer is the 5th most common cause of deaths in the women among gynecological tumors. There are many growing evidences that stress and other behavioral factors may affect cancer progression and patient survival. The purpose of this study is to determine the key role of matrix metalloproteinases (MMPs), and cytokines in the aggregation and progression of ovarian cancer. METHODOLOGY: Stress variables (MDA, AGEs, AOPPs, NO), profile of antioxidants (SOD, Catalase, Vitamin E & A, GSH, GRx, GPx) and inflammatory biomarkers (MMP-9, MMP-2, MMP-11, IL-1α and TNF-α) were biochemically assessed from venous blood of fifty ovarian cancer patients and twenty healthy control subjects...
2016: PloS One
https://www.readbyqxmd.com/read/27902482/il-23r-mutation-is-associated-with-ulcerative-colitis-a-systemic-review-and-meta-analysis
#12
Ling-Long Peng, Ying Wang, Feng-Ling Zhu, Wang-Dong Xu, Xue-Lei Ji, Jing Ni
OBJECTIVES: Since a genome-wide association study revealed that Interleukin-23 receptor (IL-23R) gene is a candidate gene for Ulcerative Colitis (UC), many studies have investigated the association between the IL-23R polymorphisms and UC. However, the results were controversial. The aim of the study was to determine whether the IL-23R polymorphisms confer susceptibility to UC. METHODS: A systematic literature search was carried out to identify all potentially relevant studies...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27900334/serum-levels-of-soluble-st2-and-il-10-are-associated-with-disease-severity-in-patients-with-iga-nephropathy
#13
Zhihui Zhang, Haifeng Wang, Li Zhang, Rebecca Crew, Nan Zhang, Xiaolei Liu, Yanfang Jiang
Background. The IL-33/ST2 axis is involved in humoral immune responses. Method. The concentrations of sera IL-33 and sST2 in 74 patients and 34 healthy controls (HC) were measured by ELISA. Clinical and laboratory data were examined. The potential association between sera IL-33 and sST2 and the clinical parameters in IgAN patients were analyzed. Results. No difference was discovered in IL-33 concentrations between IgAN patients and HCs; however, the sST2 were significantly higher in each stage of IgAN progression than in the HC...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27897393/cancer-anorexia-hypothalamic-activity-and-its-association-with-inflammation-and-appetite-regulating-peptides-in-lung-cancer
#14
Alessio Molfino, Alessandro Iannace, Maria Chiara Colaiacomo, Alessio Farcomeni, Alessandra Emiliani, Gianfranco Gualdi, Alessandro Laviano, Filippo Rossi Fanelli
BACKGROUND: Energy homeostasis is mediated by the hypothalamus, whose inflammation-induced functional derangements contribute to the onset of anorexia in cancer. By using functional magnetic resonance imaging (fMRI), we determined the patterns of hypothalamic activation after oral intake in anorexic (A), non-anorexic (NA) cancer patients, and in controls (C). METHODS: Lung cancer patients were considered. Hypothalamic activation was recorded in A and NA patients and in C by fMRI, before (T0), immediately after (T1) the administration of an oral nutritional supplement, and after 15 min (T2)...
October 5, 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27895145/association-between-inflammatory-biomarkers-and-all-cause-cardiovascular-and-cancer-related-mortality
#15
Archana Singh-Manoux, Martin J Shipley, Joshua A Bell, Marianne Canonico, Alexis Elbaz, Mika Kivimäki
BACKGROUND: The inflammatory biomarker α1-acid glycoprotein (AGP) was found to have the strongest association with 5-year mortality in a recent study of 106 biomarkers. We examined whether AGP is a better biomarker of mortality risk than the more widely used inflammatory biomarkers interleukin-6 (IL-6) and C-reactive protein (CRP). METHODS: We analyzed data for 6545 men and women aged 45-69 (mean 55.7) years from the Whitehall II cohort study. We assayed AGP, IL-6 and CRP levels from fasting serum samples collected in 1997-1999...
November 28, 2016: CMAJ: Canadian Medical Association Journal, Journal de L'Association Medicale Canadienne
https://www.readbyqxmd.com/read/27892870/nitric-oxide-modulates-the-immunological-response-of-bovine-pbmcs-in-an-in-vitro-brdc-infection-model
#16
Michael Peter Sheridan, Gilly Regev-Shoshani, James Martins, Selvarani Vimalanathan, Chris Miller
Bovine respiratory disease complex (BRDc) is a multi-factorial disease, involving both viral and bacterial pathogens, that negatively impacts the cattle feedlot industry. A nitric oxide releasing solution (NORS) has been developed and shown to have potential in the prevention of BRDc. This study investigated the underlying immunological mechanisms through which the nitroslyating agent NORS provides protection against the development of BRDc in susceptible cattle. An in vitro BRDc experimental model was designed using bovine peripheral blood mononuclear cells (PBMCs) which were infected with bovine herpesvirus 1 (BHV-1) and subsequently cultured with lipopolysaccharides (LPS) extracted from Mannheimia haemolytica bacteria...
September 13, 2016: Research in Veterinary Science
https://www.readbyqxmd.com/read/27888433/clinical-significance-of-incidentally-detected-bladder-wall-thickening-on-computed-tomography
#17
Wan Song, Hwang Gyun Jeon, Byong Chang Jeong, Seong Il Seo, Seong Soo Jeon, Han Yong Choi, Hyun Moo Lee
PURPOSE: To evaluate the clinical significance of incidentally detected bladder wall thickening (BWT) on computed tomography (CT). METHODS: A retrospective analysis was performed on 34,793 cystoscopy cases between January 2004 and December 2013. Among these, patients who underwent cystoscopy for the sole indication of incidentally detected BWT on CT were selected. Patients were categorized into the diffuse or focal group depending on the extent of BWT. Suspicious lesions on cystoscopy were biopsied to confirm histologic subtype...
November 25, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/27885166/the-role-of-interleukin-33-in-chronic-rhinosinusitis
#18
Dong-Kyu Kim, Hong Ryul Jin, Kyoung Mi Eun, Ji-Hun Mo, Seong H Cho, Sohee Oh, David Cho, Dae Woo Kim
RATIONALE: Interleukin (IL)-33, a new member of the IL-1 family, is constitutively expressed in epithelial tissues and lymphoid organs and plays an important role in the pathogenesis of allergic disease. However, the role of IL-33 in chronic rhinosinusitis with nasal polyps (CRSwNP) remains unclear. OBJECTIVE: To investigate the role of IL-33 in the pathophysiology of CRSwNP. METHODS: We investigated IL-33 expression and its cellular origins in the nasal polyps (NPs) of human subjects by immunohistochemistry (IHC), quantitative reverse transcription PCR (qRT-PCR), and multiplex cytokine assays...
November 24, 2016: Thorax
https://www.readbyqxmd.com/read/27882929/soluble-il-33-receptor-sst2-inhibits-colorectal-cancer-malignant-growth-by-modifying-the-tumour-microenvironment
#19
Miho Akimoto, Riruke Maruyama, Hiroyuki Takamaru, Takahiro Ochiya, Keizo Takenaga
Interleukin-33 (IL-33) was recently shown to be involved in the inflammatory tumour microenvironment and the progression of colorectal cancer (CRC). We report here that the expression level of sST2, a soluble form of the IL-33 receptor (ST2L), is inversely associated with the malignant growth of CRC. sST2 is downregulated in high-metastatic cells compared with low-metastatic human and mouse CRC cells. Knockdown of sST2 in low-metastatic cells enhances tumour growth, metastasis and tumour angiogenesis, whereas its overexpression in high-metastatic cells suppresses these processes...
November 24, 2016: Nature Communications
https://www.readbyqxmd.com/read/27881346/-synergistic-analgesic-effect-of-choline-and-parecoxib-sodium-in-mice-and-the-mechanism
#20
Na Zhang, Ze-Guo Feng, Ru-Huan Wang, Wei-Dong Zhang, Jun Yu, Chun-Yan DU, Hai Wang
OBJECTIVE: To investigate the synergistic analgesic effect of choline and parecoxib sodium and study its mechanism. METHODS: In male Kunming mice with acetic acid-induced writhing, the ED50 of choline and parecoxib sodium (administered via the tail vein at 2 h and 30 min before modeling, respectively) and their combined use were determined. In saline (control) group, ED50 choline (C) group, ED50 parecoxib sodium (P) group, and 1/2ED50 choline and parecoxib sodium (1/2[C+P]) group, blood samples were collected from the eyeball 10 min after intraperitoneal administration of acetic acid to detect the levels of IL-1, TNF-α, PGE2, NF-κB, and I-κB levels using ELISA kits...
November 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
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