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https://www.readbyqxmd.com/read/27933160/post-sensitization-administration-of-non-digestible-oligosaccharides-and-bifidobacterium-breve-m-16v-reduces-allergic-symptoms-in-mice
#1
Betty C A M van Esch, Suzanne Abbring, Mara A P Diks, Gemma M Dingjan, Lucien F Harthoorn, A Paul Vos, Johan Garssen
To support dietary management of severe cow's milk allergic infants, a synbiotic mixture of non-digestible oligosaccharides and Bifidobacterium breve M-16V (B. breve) was designed from source materials that are completely cow's milk-free. It was investigated whether this specific synbiotic concept can reduce an established food allergic response in a research model for hen's egg allergy. Mice were orally sensitized once a week for 5 weeks to ovalbumin (OVA) using cholera toxin (CT) as an adjuvant. Non-sensitized mice received CT in PBS only...
June 2016: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/27890770/fibrosis-and-fibrotic-gene-expression-in-pediatric-and-adult-patients-with-idiopathic-dilated-cardiomyopathy
#2
Kathleen C Woulfe, Austine K Siomos, Hieu Nguyen, Megan SooHoo, Csaba Galambo, Brian L Stauffer, Carmen Sucharov, Shelley Miyamoto
BACKGROUND: While fibrosis seems to be prognostic for adverse outcomes in adults with idiopathic dilated cardiomyopathy (IDC), little is known about the prevalence and development of fibrosis in pediatric IDC hearts. We hypothesize there is less activation of fibrosis at a molecular level in pediatric IDC hearts than in the failing adult heart. METHODS AND RESULTS: Pediatric hearts were analyzed histologically to determine the prevalence of fibrosis. Left ventricular tissue from adult and pediatric IDC hearts and adult and pediatric non-failing (NF) hearts were subjected to qRT-PCR to study the expression of important mRNAs that affect fibrosis...
November 24, 2016: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/27876361/beneficial-effects-of-galectin-9-on-allergen-specific-sublingual-immunotherapy-in-a-dermatophagoides-farinae-induced-mouse-model%C3%A2-of-chronic-asthma
#3
Masaki Ikeda, Shigeki Katoh, Hiroki Shimizu, Akira Hasegawa, Katsuyo Ohashi-Doi, Mikio Oka
BACKGROUND: Allergen-specific sublingual immunotherapy is a potential disease-modifying treatment for allergic asthma. Galectin-9 (Gal-9), a β-galactoside-binding protein with various biologic effects, acts as an immunomodulator in excessive immunologic reactions by expanding regulatory T cells (Treg) and enhancing transforming growth factor (TGF)-β signaling. We investigated the efficacy of sublingually administered Gal-9 as an adjuvant to a specific allergen in a Dermatophagoides farinae (Df)-induced mouse model of chronic asthma...
November 19, 2016: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/27870162/galectin-3-contributes-to-vascular-fibrosis-in-monocrotaline-induced-pulmonary-arterial-hypertension-rat-model
#4
Xiaoyan Wang, Yanli Wang, Jinbo Zhang, Xue Guan, Minggang Chen, Yumei Li, Li Zhang
Galectin-3 (Gal-3) plays a critical role in vascular inflammation and fibrosis. The role of TGF-β1 in mediating pulmonary vascular fibrosis is well documented; thus, we suspected that Gal-3 could be an important factor in TGF-β1-induced fibrosis in pulmonary adventitial fibroblasts (PAFs). We treated rats with monocrotaline (MCT) and cultured PAFs with TGF-β1 to stimulate fibrosis. We found that MCT injection induced vessel thickening and extracellular matrix deposition in vivo. TGF-β1 stimulated the production of collagen and fibronectin (Fn) protein in vitro...
November 21, 2016: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/27829990/analysis-of-the-effects-of-preservative-free-tafluprost-on-the-tear-proteome
#5
Sebastian Funke, Sabine Beck, Katrin Lorenz, Marion Kotterer, Dominik Wolters, Natarajan Perumal, Norbert Pfeiffer, Franz H Grus
The purpose of the present study was to assess the ocular surface health status in primary open angle glaucoma (POAG) patients switching from topical application of preserved latanoprost (LT) to preservative-free tafluprost (PFT) by tear proteomic monitoring. Tear fluid of POAG patients showing dry eye symptoms, using LT and switching to PFT as well as tear fluid of healthy controls has been examined. Tear proteome dynamics was monitored over 24 weeks in a first mass spectrometric explorative analysis in a small POAG patient cohort (N = 3)...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27815266/role-for-galectin-3-in-calcific-aortic-valve-stenosis
#6
J Rafael Sádaba, Ernesto Martínez-Martínez, Vanessa Arrieta, Virginia Álvarez, Amaya Fernández-Celis, Jaime Ibarrola, Amaia Melero, Patrick Rossignol, Victoria Cachofeiro, Natalia López-Andrés
BACKGROUND: Aortic stenosis (AS) is a chronic inflammatory disease, and calcification plays an important role in the progression of the disease. Galectin-3 (Gal-3) is a proinflammatory molecule involved in vascular osteogenesis in atherosclerosis. Therefore, we hypothesized that Gal-3 could mediate valve calcification in AS. METHODS AND RESULTS: Blood samples and aortic valves (AVs) from 77 patients undergoing AV replacement were analyzed. As controls, noncalcified human AVs were obtained at autopsy (n=11)...
November 4, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27809845/impact-of-diabetes-on-the-predictive-value-of-heart-failure-biomarkers
#7
Nuria Alonso, Josep Lupón, Jaume Barallat, Marta de Antonio, Mar Domingo, Elisabet Zamora, Pedro Moliner, Amparo Galán, Javier Santesmases, Cruz Pastor, Dídac Mauricio, Antoni Bayes-Genis
BACKGROUND: Patients with diabetes mellitus (DM) have an increased risk of developing heart failure (HF). Further, DM is associated with poor prognosis in patients with HF. Our aim was to determine whether DM has any impact on the predictive value of a multi-biomarker panel in patients with HF. METHODS: We included 1069 consecutive ambulatory HF patients in the study: age 66.2 ± 12.8 years, 33.5 ± 13.3 left ventricular ejection fraction, 36% diabetic patients...
November 3, 2016: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/27801591/detection-of-proteome-changes-in-human-colon-cancer-induced-by-cell-surface-binding-of-growth-inhibitory-human-galectin-4-using-quantitative-silac-based-proteomics
#8
Malwina Michalak, Uwe Warnken, Sabine André, Martina Schnölzer, Hans-Joachim Gabius, Juergen Kopitz
Endogenous lectins have the capacity to translate glycan-encoded information on the cell surface into effects on cell growth. As test case to examine changes in protein presence associated with tumor growth inhibition, we applied SILAC-based proteomics on human colon carcinoma cells treated with galectin-4 (Gal-4). The five tested lines LS 180, Vaco 432, Colo 205, CX 1 and HCT 116 responded with differentiation and reduced proliferation to Gal-4 binding. In proteomic analysis (mass spectral data deposited with PRIDE - PXD003489), 2654 proteins were quantified: 190 down- and 115 up-regulated (>2-fold)...
November 1, 2016: Journal of Proteome Research
https://www.readbyqxmd.com/read/27799931/immunomodulatory-factors-galectin-9-and-interferon-gamma-synergize-to-induce-expression-of-rate-limiting-enzymes-of-the-kynurenine-pathway-in-the-mouse-hippocampus
#9
Alexandra K Brooks, Marcus A Lawson, Jennifer L Rytych, Kevin C Yu, Tiffany M Janda, Andrew J Steelman, Robert H McCusker
Elevated levels of circulating pro-inflammatory cytokines are associated with symptomology of several psychiatric disorders, notably major depressive disorder. Symptomology has been linked to inflammation/cytokine-dependent induction of the Kynurenine Pathway. Galectins, like pro-inflammatory cytokines, play a role in neuroinflammation and the pathogenesis of several neurological disorders but without a clearly defined mechanism of action. Their involvement in the Kynurenine Pathway has not been investigated...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27799141/survival-of-lung-adenocarcinoma-patients-predicted-from-expression-of-pd-l1-galectin-9-and-xage1-gaged2a-on-tumor-cells-and-tumor-infiltrating-t-cells
#10
Yoshihiro Ohue, Koji Kurose, Ryohei Nozawa, Midori Isobe, Yumi Nishio, Tomonori Tanaka, Yoshinori Doki, Takashi Hori, Junya Fukuoka, Mikio Oka, Eiichi Nakayama
The immune status of tumors varies, and this may affect the overall survival (OS) of patients. We examined tumors from 120 patients with lung adenocarcinomas with a tissue microarray for T-cell infiltration and the expression of PD-L1 and Galectin-9 (both ligands for inhibitory receptors on T cells), and cancer/testis (CT) antigen XAGE1 (GAGED2a; a tumor antigen often found on lung tumors) expression, to determine their relevance to OS. Patients defined as pStage I-IIIA could be grouped, based on the expression profiles of PD-L1, Galectin-9, and XAGE1, into cluster A, who had prolonged survival, and cluster B, who had shorter survival...
December 2016: Cancer Immunology Research
https://www.readbyqxmd.com/read/27792886/tim-3-expression-on-immune-cells-and-roles-at-the-maternal-fetal-interface
#11
REVIEW
Xiao-Hui Hu, Mao-Xing Tang, Gil Mor, Ai-Hua Liao
Successful pregnancy relies on the accurate regulation of the maternal-fetal immune system. Without enough tolerance in the uterine microenvironment, the mother and the hemiallogeneic fetus could not peacefully coexist. T cell immunoglobulin and mucin domain (Tim)-3 is a molecule originally regarded as to be expressed on terminally differentiated IFN-γ expressing CD4(+) T cells (Th1). The engagement of Tim-3 with its ligand, galectin-9 (Gal-9) could induce the exhaustion or apoptosis of effector T cells, and thus might regulate the tolerance...
October 20, 2016: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/27748500/the-differences-in-the-relationship-between-diastolic-dysfunction-selected-biomarkers-and-collagen-turn-over-in-heart-failure-patients-with-preserved-and-reduced-ejection-fraction
#12
Blazej Michalski, Przemyslaw Trzcinski, Karolina Kupczynska, Dawid Miskowiec, Lukasz Peczek, Barbara Nawrot, Piotr Lipiec, Jaroslaw D Kasprzak
BACKGROUND: The aim of the study was to assess the correlation of the selected biomarkers and collagen turn-over indices with advanced echocardiographic parameters among patients with preserved and reduced ejection fraction (EF). METHODS: We included 62 patients with the symptomatic heart failure. The patients were divided in to two groups according to the evaluated ejection fraction (EF - Simpson method): heart failure with reduced ejection fraction (HFrEF) group - 30 patients with low EF - 35-50% (16 male, mean age 54...
October 17, 2016: Cardiology Journal
https://www.readbyqxmd.com/read/27742836/structural-basis-for-carbohydrate-recognition-and-anti-inflammatory-modulation-by-gastrointestinal-nematode-parasite-toxascaris-leonina-galectin
#13
Eun Young Hwang, Mi Suk Jeong, Sang Kyun Park, Sung Chul Ha, Hak Sun Yu, Se Bok Jang
Toxascaris leonina galectin (Tl-gal) is a galectin-9 homologue protein isolated from an adult worm of the canine gastrointestinal nematode parasite, and Tl-gal-vaccinated challenge can inhibit inflammation in inflammatory bowel disease-induced mice. We determined the first X-ray structures of full-length Tl-gal complexes with carbohydrates (lactose, N-acetyllactosamine, lacto-N-tetraose, sialyllactose, and glucose). Bonds were formed on concave surfaces of both carbohydrate recognition domains (CRDs) in Tl-gal...
December 2, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27718443/use-of-serum-levels-of-high-sensitivity-troponin-t-galectin-3-and-c-terminal-propeptide-of-type-i-procollagen-at-long-term-follow-up-in-heart-failure-patients-with-reduced-ejection-fraction-comparison-with-soluble-axl-and-bnp
#14
M Batlle, B Campos, M Farrero, M Cardona, B González, M A Castel, J Ortiz, E Roig, M J Pulgarín, J Ramírez, J L Bedini, M Sabaté, P García de Frutos, F Pérez-Villa
BACKGROUND: Prognostic biomarkers are needed to improve the management of the heart failure (HF) epidemic, being the brain natriuretic peptides the most valuable. Here we evaluate 3 biomarkers, high sensitivity troponin T (hs-TnT), galectin-3 (Gal-3) and C-terminal propeptide of type I procollagen (CICP), compare them with a recently described new candidate (sAXL), and analyze their relationship with BNP. METHODS: HF patients with reduced ejection fraction (n=192) were included in this prospective observational study, with measurements of candidate biomarkers, functional, clinical and echocardiographic variables...
September 28, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27646125/changes-in-serum-proteins-after-endotoxin-administration-in-healthy-and-choline-treated-calves
#15
Z Yilmaz, O Eralp Inan, M Kocaturk, A T Baykal, O Hacariz, I Hatipoglu, A Tvarijonaviciute, M Cansev, J Ceron, I H Ulus
BACKGROUND: This study aimed to investigate the possible serum protein changes after endotoxin administration in healthy and choline-treated calves using proteomics. These results are expected to contribute to the understanding of the pathophysiological mechanisms of endotoxemia and the beneficial effect of choline administration in this clinical situation. METHODS: Healthy-calves (n = 20) were divided into 4 groups: Control, Choline treated (C), Lipopolysaccharide administered (LPS), and LPS + C...
2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/27640362/cd14-monocyte-derived-galectin-9-induces-nk-cell-cytotoxicity-in-chronic-hepatitis-c
#16
Akira Nishio, Tomohide Tatsumi, Takatoshi Nawa, Takahiro Suda, Teppei Yoshioka, Yoshiki Onishi, Satoshi Aono, Minoru Shigekawa, Hayato Hikita, Ryotaro Sakamori, Daisuke Okuzaki, Takasuke Fukuhara, Yoshiharu Matsuura, Naoki Hiramatsu, Tetsuo Takehara
: NK cell activation is associated with both liver injury and persistent infection in chronic hepatitis C (CHC); however, the detail mechanism of this activation has not yet been fully elucidated. As Galectin-9 (Gal-9) is reported to be increased in the serum and liver tissue of CHC patients, we investigated the function of Gal-9 in NK cell activation in CHC. First, we evaluated the function of Gal-9 on NK cytotoxicity in vitro. Gal-9 treatment resulted in increased cytotoxicity of naïve NK cells, and the Gal-9-activated NK cells demonstrated cytotoxicity toward hepatoma cells and T cells...
September 19, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27629834/galectin-3-in-patients-with-acute-heart-failure-preliminary-report-on-first-polish-experience
#17
Grażyna Sygitowicz, Mariusz Tomaniak, Krzysztof J Filipiak, Łukasz Kołtowski, Dariusz Sitkiewicz
BACKGROUND: Galectin-3 (Gal-3) as a biomarker of fibrosis and inflammation has been implicated in the development and progression of heart failure (HF) and may predict increased morbidity and mortality in society. OBJECTIVES: In this preliminary report we investigated the utility of a novel serum marker for the diagnosis of acute HF (AHF). MATERIAL AND METHODS: The study involved 14 AHF patients aged 67.0 ± 14.6 yrs. with left ventricular ejection fraction (LVEF) 29...
July 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/27622049/the-immune-receptor-tim-3-acts-as-a-trafficker-in-a-tim-3-galectin-9-autocrine-loop-in-human-myeloid-leukemia-cells
#18
Isabel Gonçalves Silva, Laura Rüegg, Bernhard F Gibbs, Marco Bardelli, Alexander Fruehwirth, Luca Varani, Steffen M Berger, Elizaveta Fasler-Kan, Vadim V Sumbayev
The immune receptor Tim-3 is often highly expressed in human acute myeloid leukemia (AML) cells where it acts as a growth factor and inflammatory receptor. Recently, it has been demonstrated that Tim-3 forms an autocrine loop with its natural ligand galectin-9 in human AML cells. However, the pathophysiological functions of Tim-3 in human AML cells remain unclear. Here, we report for the first time that Tim-3 is required for galectin-9 secretion in human AML cells. However, this effect is cell-type specific and was found so far to be applicable only to myeloid (and not, for example, lymphoid) leukemia cells...
July 2016: Oncoimmunology
https://www.readbyqxmd.com/read/27615366/establishment-of-mouse-mac-2-binding-protein-enzyme-linked-immunosorbent-assay-and-its-application-for-mouse-chronic-liver-disease-models
#19
Ayumi Iwata, Yoshihiro Kamada, Yusuke Ebisutani, Akiko Yamamoto, Yui Ueda, Hitomi Arai, Hironobu Fujii, Shinji Takamatsu, Nobuhiro Maruyama, Masahiro Maeda, Tetsuo Takehara, Eiji Miyoshi
AIM: We identified Mac-2 (galectin-3) binding protein (Mac-2bp) as a novel diagnostic and liver fibrosis predicting biomarker for nonalcoholic steatohepatitis in humans. In mouse models, there are no serum biomarkers predicting liver disease severity. In this study, we developed a mouse Mac-2bp enzyme-linked immunosorbent assay (ELISA) system and determined its efficacy for predicting the severity of liver disease in mouse models, especially in non-alcoholic fatty liver disease (NAFLD) models...
September 11, 2016: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/27581941/galectin-9-from-cell-biology-to-complex-disease-dynamics
#20
Sebastian John, Rashmi Mishra
Galectins is a family of non-classically secreted, beta-galactoside-binding proteins that has recently received considerable attention in the spatio-temporal regulation of surface 'signal lattice' organization, membrane dynamics, cell-adhesion and disease therapeutics. Galectin-9 is a unique member of this family, with two non-homologous carbohydrate recognition domains joined by a linker peptide sequence of variable lengths, generating isoforms with distinct properties and functions in both physiological and pathological settings, such as during development, immune reaction, neoplastic transformations and metastasis...
September 2016: Journal of Biosciences
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