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https://www.readbyqxmd.com/read/28631723/pharmacogenetic-biomarkers-of-response-in-crohn-s-disease
#1
REVIEW
T M Linares-Pineda, M Cañadas-Garre, A Sánchez-Pozo, M Á Calleja-Hernández
Crohn's disease (CD) is a chronic condition, which affects the immune system. It can also affect any part of the digestive tract and be associated with external manifestations. The causes of the disease remain unknown, although it seems to be the result of a combination of factors, such as genetic predisposition, environment, lifestyle and the composition of the microbiota, among others. The treatment protocol begins with a change in eating and smoking habits, and is continued with different lines of treatment, including corticosteroids, immunomodulators and biologic therapy (infliximab and adalimumab), which have shown differences in response among patients, especially with biologic treatment...
June 20, 2017: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/28629743/association-study-of-childhood-food-allergy-with-gwas-discovered-loci-of-atopic-dermatitis-and-eosinophilic-esophagitis
#2
Tomomitsu Hirota, Tsuguhisa Nakayama, Sakura Sato, Noriyuki Yanagida, Teruaki Matsui, Shiro Sugiura, Yuri Takaoka, Nobuyuki Hizawa, Shigeharu Fujieda, Akihiko Miyatake, Takashi Sasaki, Masayuki Amagai, Satoru Doi, Komei Ito, Motohiro Ebisawa, Mayumi Tamari
We found associations between FA and 14 GWAS-identified loci of AD and EoE: C11orf30/LRRC32, TMEM232/SLC25A46, TNFRSF6B/ZGPAT, OVOL1, KIF3A/IL13, GLB1, CCDC80, ZNF365, OR10A3/NLRP10, IL2/IL21, CLEC16A/DEXI, ZNF652, TSLP/WDR36 and STAT6. These findings improve our understanding of the complex heterogeneity of FA.
June 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28624363/brazilian-red-propolis-effects-on-peritoneal-macrophage-activity-nitric-oxide-cell-viability-pro-inflammatory-cytokines-and-gene-expression
#3
Bruno Bueno-Silva, Dione Kawamoto, Ellen S Ando-Suguimoto, Renato C V Casarin, Severino M Alencar, Pedro L Rosalen, Marcia P A Mayer
ETHNOPHARMACOLOGICAL RELEVANCE: Propolis has been used in folk medicine since ancient times and it presented inhibitory effect on neutrophil recruitment previously. However, its effect on macrophage obtained from mice remains unclear. AIM OF THE STUDY: To demonstrate BRP effects on LPS activated peritoneal macrophage. MATERIALS AND METHODS: Peritoneal macrophages, obtained from C57BL6 mice and activated with LPS, were treated with 50-80µg/mL of crude extract of Brazilian red propolis (BRP) during 48h...
June 15, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28589929/type-2-innate-lymphoid-cells-control-the-development-of-atherosclerosis-in-mice
#4
Stephen A Newland, Sarajo Mohanta, Marc Clément, Soraya Taleb, Jennifer A Walker, Meritxell Nus, Andrew P Sage, Changjun Yin, Desheng Hu, Lauren L Kitt, Alison J Finigan, Hans-Reimer Rodewald, Christoph J Binder, Andrew N J McKenzie, Andreas J Habenicht, Ziad Mallat
Type-2 innate lymphoid cells (ILC2) are a prominent source of type II cytokines and are found constitutively at mucosal surfaces and in visceral adipose tissue. Despite their role in limiting obesity, how ILC2s respond to high fat feeding is poorly understood, and their direct influence on the development of atherosclerosis has not been explored. Here, we show that ILC2 are present in para-aortic adipose tissue and lymph nodes and display an inflammatory-like phenotype atypical of adipose resident ILC2. High fat feeding alters both the number of ILC2 and their type II cytokine production...
June 7, 2017: Nature Communications
https://www.readbyqxmd.com/read/28583903/interleukin-13-conjugated-quantum-dots-for-identification-of-glioma-initiating-cells-and-their-extracellular-vesicles
#5
A B Madhankumar, Oliver Mrowczynski, Suhag Patel, Cody Weston, Brad Zacharia, Michael Glantz, Christopher Siedlecki, Lichong Xu, James R Connor
Cadmium selenide (CdSe) based quantum dots modified with polyethylene glycol and chemically linked to interleukin-13 (IL13) were prepared with the aim of identifying the high affinity receptor (IL13Rα2) which is expressed in glioma stem cells and exosomes secreted by these cancer stem cells. IL13 conjugated quantum dots (IL13QD) were thoroughly characterized for their physicochemical properties including particle size and surface morphology. Furthermore, the specific binding of the IL13QD to glioma cells and to glioma stem cells (GSC) was verified using a competitive binding study...
June 2, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28554143/comparison-of-gene-expression-of-toll-like-receptors-and-cytokines-between-piau-and-commercial-line-landrace%C3%A3-large-white-crossbred-pigs-vaccinated-against-pasteurella-multocida-type-d
#6
Katiene Régia Silva Sousa, André Mauric Frossard Ribeiro, Waleska de Melo Ferreira Dantas, Leandro Licursi de Oliveira, Eliane Gasparino, Simone Eliza Facioni Guimarães
We aimed to compare Toll-like receptors (TLR) and cytokines expression in local Piau breed and a Commercial line (Landrace×Large White crossbred) pigs in response to vaccination against Pasteurella multocida type D. Seronegative gilts for Pasteurella multocida type D and Mycoplasma hyopneumoniae were used, from which peripheral blood mononuclear cells (PBMC) were collected in four time points (T0, T1, T2 and T3; before and after each vaccination dose). For bronchoalveolar lavage fluid cells (BALF), we set groups of vaccinated and unvaccinated animals for both genetic groups...
May 22, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28544327/genetic-variation-at-the-th2-immune-gene-il13-is-associated-with-ige-mediated-paediatric-food-allergy
#7
S E Ashley, H-T T Tan, R Peters, K J Allen, P Vuillermin, S C Dharmage, M L K Tang, J Koplin, A Lowe, A-L Ponsonby, J Molloy, M C Matheson, R Saffery, J A Ellis, D Martino
BACKGROUND: Food allergies pose a considerable world-wide public health burden with incidence as high as one in ten in 12-month-old infants. Few food allergy genetic risk variants have yet been identified. The Th2 immune gene IL13 is a highly plausible genetic candidate as it is central to the initiation of IgE class switching in B cells. OBJECTIVE: Here, we sought to investigate whether genetic polymorphisms at IL13 are associated with the development of challenge-proven IgE-mediated food allergy...
April 24, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28541483/malaria-host-candidate-genes-validated-by-association-with-current-recent-and-historic-measures-of-transmission-intensity
#8
Nuno Sepúlveda, Alphaxard Manjurano, Susana G Campino, Martha Lemnge, John Lusingu, Raimos Olomi, Kirk A Rockett, Christina Hubbart, Anna Jeffreys, Kate Rowlands, Taane G Clark, Eleanor M Riley, Chris J Drakeley
Background: Human malaria susceptibility is determined by multiple genetic factors. It is however unclear which genetic variants remain important over time. Methods: Genetic associations of 175 high quality polymorphisms within several malaria candidate genes were examined in a sample of 8,096 individuals from northeast Tanzania using altitude, seroconversion rates and parasite rates as proxies of historical, recent and current malaria transmission intensity. A principal component (PC) analysis was used to derive two alternative measures of overall malaria propensity of a location across different time scales...
May 25, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28538696/immune-components-in-human-milk-are-associated-with-early-infant-immunological-health-outcomes-a-prospective-three-country-analysis
#9
Daniel Munblit, Marina Treneva, Diego G Peroni, Silvia Colicino, Li Yan Chow, Shobana Dissanayeke, Alexander Pampura, Attilio L Boner, Donna T Geddes, Robert J Boyle, John O Warner
The role of breastfeeding in improving allergy outcomes in early childhood is still unclear. Evidence suggests that immune mediators in human milk (HM) play a critical role in infant immune maturation as well as protection against atopy/allergy development. We investigated relationships between levels of immune mediators in colostrum and mature milk and infant outcomes in the first year of life. In a large prospective study of 398 pregnant/lactating women in the United Kingdom, Russia and Italy, colostrum and mature human milk (HM) samples were analysed for immune active molecules...
May 24, 2017: Nutrients
https://www.readbyqxmd.com/read/28537887/dietary-factors-and-microrna-binding-site-polymorphisms-in-the-il13-gene-risk-and-prognosis-analysis-of-colorectal-cancer
#10
Yanming Yu, Junde Zhou, Chen Gong, Zhiping Long, Jingshen Tian, Lin Zhu, Jing Li, Hongyuan Yu, Fan Wang, Yashuang Zhao
Long-term dietary intake influences the structure and activity of microorganisms residing in the human gut. The immune response and gut microbiota have a mutual influence on the risk of colorectal cancer (CRC). This study examines the association of gut microbiota-related dietary factors and polymorphisms in the microRNA-binding site of the interleukin 13 gene (IL13) with the risk and prognosis of CRC. Three polymorphisms (rs847, rs848, and rs1295685) were selected for genotyping in a case-control study (513 cases, 572 controls), and 386 CRC patients were followed up...
May 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28525983/polymorphisms-of-t-helper-cell-cytokine-associated-genes-and-survival-of-hemodialysis-patients-a-prospective-study
#11
Alicja E Grzegorzewska, Monika K Świderska, Adrianna Mostowska, Wojciech Warchoł, Paweł P Jagodziński
BACKGROUND: Circulating pro-inflammatory cytokines were associated with increased relative mortality risk, while immune parameters reflecting improved T-cell function were predictors of survival in hemodialysis (HD) patients. We evaluated in the prospective study whether variants in T helper cell cytokine-associated genes are determinants of mortality in HD patients. METHODS: The study was carried out in 532 prevalent HD subjects who were followed-up for 7 years...
May 19, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28515123/all-trans-retinoic-acid-prevents-osteosarcoma-metastasis-by-inhibiting-m2-polarization-of-tumor-associated-macrophages
#12
Qian Zhou, Miao Xian, Senfeng Xiang, Danyan Xiang, Xuejing Shao, Jincheng Wang, Ji Cao, Xiaochun Yang, Bo Yang, Meidan Ying, Qiaojun He
M2-polarized tumor associated macrophages (TAM) play a critical role in cancer invasion and metastasis. Here, we report that M2 macrophages enhanced metastasis of K7M2 WT osteosarcoma cells to the lung in mice, thus establishing M2 TAMs as a therapeutic target for blocking osteosarcoma metastasis. We found that all-trans retinoic acid (ATRA) inhibited osteosarcoma metastasis via inhibiting the M2 polarization of TAMs. ATRA suppressed IL13 or IL4 induced M2-type macrophages, and then inhibited migration of osteosarcoma cells as promoted by M2-type macrophages in vitro ATRA reduced the number of pulmonary metastatic nodes of osteosarcoma and decreased expression of M2-type macrophages in metastatic nodes both in intravenous injection and orthotopic transplantation models...
May 17, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28503065/serum-cytokine-levels-related-to-exposure-to-volatile-organic-compounds-and-pm2-5-in-dwellings-and-workplaces-in-french-farmers-a-mechanism-to-explain-nonsmoking-copd
#13
Christelle Audi, Nour Baïz, Cara N Maesano, Ollivier Ramousse, Damien Reboulleau, Antoine Magnan, Denis Caillaud, Isabella Annesi-Maesano
Although French farmers smoke less on average than individuals from the general population, they suffer more from COPD. Exposure to biological and chemical air pollutants in the farm may be the cause of these higher COPD rates. This study investigates the role of bio-contaminants, including the relationship of exposure to volatile organic compounds (VOCs) and fine particulate matter (of diameter of 2.5 µm [PM2.5]) objectively measured in the farm settings (dwellings and workplaces) to serum cytokines involved in COPD, in a sample of 72 farmers from 50 farms in the Auvergne region, France...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28487553/maternal-cytokine-status-may-prime-the-metabolic-profile-and-increase-risk-for-obesity-in-children
#14
B Englich, G Herberth, U Rolle-Kampczyk, S Trump, S Röder, M Borte, G I Stangl, M von Bergen, I Lehmann, K M Junge
BACKGROUNDThe maternal inflammation status during pregnancy has been associated to metabolic imprinting and obesity development in the child. However the influence of the maternal Th2 cytokines IL4, IL5 and IL13 has not been studied so far.METHODSWe investigated the relationship between maternal innate (IL6, IL8, IL10 and TNFα) and adaptive (IFNγ, IL4, IL5 and IL13) blood cytokine levels at 34 weeks of gestation and children's overweight development until the age of three years in 407 children of the German longitudinal LINA cohort...
May 10, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28481620/ifn%C3%AE-influences-epithelial-anti-viral-responses-via-histone-methylation-of-the-rig-i-promoter
#15
C Mirella Spalluto, Akul Singhania, Doriana Cellura, Christopher H Woelk, Tilman Sanchez-Elsner, Karl J Staples, Tom M A Wilkinson
The asthmatic lung is prone to respiratory viral infections that exacerbate the symptoms of the underlying disease. Recent work has suggested that a deficient Th1 response in early life may lead to these aberrant anti-viral responses. We investigated whether the inflammatory environment of the airway epithelium could modulate anti-viral gene expression via epigenetic mechanisms, in order to study the development of a long-term dysregulation of innate responses, which are a hallmark of asthma. We primed AALEB, a human bronchial epithelial cell line, with IFNγ and IL13 and subsequently infected cells with Respiratory Syncytial Virus (RSV) and innate anti-viral genes expression and their epigenetic markers were analysed...
May 8, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28479331/forkhead-box-protein-3-foxp3-demethylation-is-associated-with-tolerance-induction-in-peanut-induced-intestinal-allergy
#16
Meiqin Wang, Ivana V Yang, Elizabeth J Davidson, Anthony Joetham, Katsuyuki Takeda, Brian P O'Connor, Erwin W Gelfand
BACKGROUND: Regulatory T cells (Tregs) play an essential role in the maintenance of immune homeostasis in allergic diseases. OBJECTIVES: To define the mechanisms underlying induction of tolerance to peanut protein and prevention of the development of peanut allergy. METHODS: High or low doses of peanut extract (PE) were administered to pups every day for 2 weeks prior to peanut sensitization and challenge. Following challenge, symptoms, Treg numbers, FoxP3, Th2, Th17 cytokine and TGFβ expression in mesenteric lymph node (MLN) CD4(+) T cells and in jejunum were monitored...
May 4, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28453334/different-immune-signature-in-youths-experiencing-antipsychotic-induced-weight-gain-compared-to-untreated-obese-patients
#17
Simone Pisano, Gennaro Catone, Giangennaro Coppola, Marco Carotenuto, Raffaella Iuliano, Claudia Tiano, Anna Rita Montesanto, Vittoria D'Esposito, Emanuele Del Giudice Miraglia, Pietro Formisano, Carmela Bravaccio
OBJECTIVES: To assess cytokine and chemokine levels in youth experiencing antipsychotic-induced weight gain (AIWG) compared to obese patients, hypothesizing a different "immune signature" between the two kinds of obesity. METHODS: We compared a group of youth experiencing AIWG (N 19, mean age 159 months, mean body mass index [BMI] z-score 1.81) and an age-, gender-, and BMI-matched group of untreated obese patients (N 19, mean age 147 months, mean BMI z-score 2) for a wide range of cytokines and chemokines by using a multiplex ELISA test...
April 28, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28433687/steroid-resistance-of-airway-type-2-innate-lymphoid-cells-from-patients-with-severe-asthma-the-role-of-thymic-stromal-lymphopoietin
#18
Sucai Liu, Mukesh Verma, Lidia Michalec, Weimin Liu, Anand Sripada, Donald Rollins, James Good, Yoko Ito, HongWei Chu, Magdalena M Gorska, Richard J Martin, Rafeul Alam
BACKGROUND: Type 2 innate lymphoid cells (ILC2s) represent an important type 2 immune cell. Glucocorticoid regulation of human ILC2s is largely unknown. OBJECTIVE: We sought to assess steroid resistance of human blood and airway ILC2s from asthmatic patients and to examine its mechanism of induction. METHODS: We studied human blood and lung ILC2s from asthmatic patients and control subjects using flow cytometry and ELISA. RESULTS: Dexamethasone inhibited (P = ...
April 20, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28421423/the-effects-of-direct-fed-microbial-supplementation-as-an-alternative-to-antibiotics-on-growth-performance-intestinal-immune-status-and-epithelial-barrier-gene-expression-in-broiler-chickens
#19
U Gadde, S T Oh, Y S Lee, E Davis, N Zimmerman, T Rehberger, Hyun S Lillehoj
The objective of this study was to investigate the effects of Bacillus subtilis-based probiotic supplementation in broiler chicken diets on growth performance, feed efficiency, intestinal cytokine, and tight junction (TJ) protein mRNA expression. Zero-day-old broiler chicks (n = 140) were randomly assigned to one of five dietary treatments: basal diet (CON); basal diet supplemented with either antibiotic bacitracin methylene disalicylate (BMD); or probiotics, namely, B. subtilis strain 1781 (PB1), a combination of B...
April 18, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28386463/scaffold-degradation-during-bone-tissue-reconstruction-in-macaca-nemestrina-mandible
#20
REVIEW
Endang W Bachtiar, Lisa Rinanda Amir, Pradono Suhardi, Basril Abas
OBJECTIVE: To examine the degradation of three scaffolds composed of hydroxyapatite/tricalcium phosphate (HA/TCP) with 70∶30 ratio, HA/TCP with 50∶50 ratio, and HA/TCP/chitosan scaffold as analyzed by the RNA expression of matrix metalloprotease 2 (MMP2), interleukin 13 (IL13), and tartrate-resistant acid phosphatase (TRAP) genes. METHODS: The three tested scaffolds and dental pulp stromal cells (DPSCs) were transplanted into the mandibular bone defect of six young male Macaca nemestrina...
June 1, 2016: Interventional Medicine & Applied Science
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