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galectin 9

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https://www.readbyqxmd.com/read/29038585/tissue-and-plasma-levels-of-galectins-in-patients-with-high-grade-serous-ovarian-carcinoma-as-new-predictive-biomarkers
#1
Marilyne Labrie, Lorenna Oliveira Fernandes De Araujo, Laudine Communal, Anne-Marie Mes-Masson, Yves St-Pierre
Galectins are moving closer to center stage in detecting glycosylation aberration in cancer cells. Here, we have investigated the expression of galectins in ovarian cancer (OC) and examined their potential as biomarkers in tissues and blood plasma samples of high grade serous ovarian carcinoma (HGSC) patients. In tissues, we found that increased protein expression of stromal gal-1 and epithelial gal-8/9 was associated with a poor response to treatment of HGSC patients. Gal-8/9 were both independent predictors of chemoresistance and overall survival (OS), respectively...
October 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29033945/improved-efficacy-of-oral-immunotherapy-using-non-digestible-oligosaccharides-in-a-murine-cow-s-milk-allergy-model-a-potential-role-for-foxp3-regulatory-t-cells
#2
Marlotte M Vonk, Mara A P Diks, Laura Wagenaar, Joost J Smit, Raymond H H Pieters, Johan Garssen, Betty C A M van Esch, Léon M J Knippels
BACKGROUND: Oral immunotherapy (OIT) is a promising therapeutic approach to treat food allergic patients. However, there are some concerns regarding its safety and long-term efficacy. The use of non-digestible oligosaccharides might improve OIT efficacy since they are known to directly modulate intestinal epithelial and immune cells in addition to acting as prebiotics. AIM: To investigate whether a diet supplemented with plant-derived fructo-oligosaccharides (FOS) supports the efficacy of OIT in a murine cow's milk allergy model and to elucidate the potential mechanisms involved...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29032929/binding-of-triazole-linked-galactosyl-arylsulfonamides-to-galectin-3-affects-trypanosoma-cruzi-cell-invasion
#3
Marcelo Fiori Marchiori, Thalita B Riul, Leandro Oliveira Bortot, Peterson Andrade, Getúlio G Junqueira, Giuseppina Foca, Nunzianna Doti, Menotti Ruvo, Marcelo Dias-Baruffi, Ivone Carvalho, Vanessa Leiria Campo
The synthesis of the O-3 triazole-linked galactosyl arylsulfonamides 1-7 as potential inhibitors of Trypanosoma cruzi cell invasion is described. These target compounds were synthesized by Cu(I)-catalysed azide-alkyne cycloaddition reaction ('click chemistry') between different azide arylsulfonamides and the alkyne-based sugar 3-O-propynyl-βGalOMe. Inhibition assays of T. cruzi cell invasion with compounds 1-7 showed reduced values of infection index (∼20) for compounds 3 and 5, bearing the corresponding 5-methylisoxazole and 2,4-dimethoxypyrimidine groups, which also presented higher binding affinities to galectin-3 (EC50 17-18 μM) in Corning Epic label-free assays...
September 30, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/29028161/effect-of-haemodialysis-and-residual-renal-function-on-serum-levels-of-galectin-3-b-type-natriuretic-peptides-and-cardiac-troponin-t
#4
Matthew A Roberts, Piyush M Srivastava, David L Hare, Francesco L Ierino
AIM: Levels of plasma markers of myocardial fibrosis (galectin-3), stretch (B-type natriuretic peptide (BNP)) and injury (troponin T (TnT)) may be affected by haemodialysis and residual renal function (RRF) in addition to cardiac pathology. We aimed to determine the association of RRF, urine output and haemodialysis itself on clinically important cardiac biomarkers in haemodialysis patients. METHODS: Adult haemodialysis patients underwent venesection pre- and post- haemodialysis followed by echocardiography and inter-dialytic urine collection to calculate RRF (mL/minute/1...
October 13, 2017: Nephrology
https://www.readbyqxmd.com/read/29027155/the-role-of-t-cell-immunoglobulin-mucin-3-and-its-ligand-galectin-9-in-antitumor-immunity-and-cancer-immunotherapy
#5
REVIEW
Riyao Yang, Mien-Chie Hung
Cancer treatment in the past few years has been transformed by a new kind of therapy that targets the immune system instead of the cancer itself to reinvigorate antitumor immunity with astonishing results. However, primary and acquired resistance to this type of treatment, namely immune checkpoint blockade (ICB), continue to counter treatment efficacy. In many cases, resistance has been attributed to defective or chronically enhanced interferon signaling and/or upregulation of alternative immune checkpoints, including T-cell immunoglobulin mucin-3 (Tim-3) and its ligand galactin-9 (Gal-9)...
October 11, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28991189/translational-implication-of-galectin-9-in-the-pathogenesis-and-treatment-of-viral-infection
#6
REVIEW
Jenn-Haung Lai, Shue-Fen Luo, Mei-Yi Wang, Ling-Jun Ho
The interaction between galectin-9 and its receptor, Tim-3, triggers a series of signaling events that regulate immune responses. The expression of galectin-9 has been shown to be increased in a variety of target cells of many different viruses, such as hepatitis C virus (HCV), hepatitis B virus (HBV), herpes simplex virus (HSV), influenza virus, dengue virus (DENV), and human immunodeficiency virus (HIV). This enhanced expression of galectin-9 following viral infection promotes significant changes in the behaviors of the virus-infected cells, and the resulting events tightly correlate with the immunopathogenesis of the viral disease...
October 8, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28990250/galectin-3-is-persistently-increased-in-early-rheumatoid-arthritis-ra-and-associates-with-anti-ccp-seropositivity-and-mri-bony-lesions-while-early-fibrosis-markers-correlate-with-disease-activity
#7
Saida Farah Issa, Anne Friesgaard Christensen, Hanne M Lindegaard, Merete L Hetland, Kim Hørslev-Petersen, Kristian Stengaard-Pedersen, Bo Jannik Ejbjerg, Tine Lottenburger, Torkell Ellingsen, Jens Kristian Pedersen, Kirsten Junker, Anders Svendsen, Ulrik Tarp, Mikkel Østergaard, Peter Junker
Galectin-3 has been suggested as a pro-inflammatory mediator in animal arthritis and rheumatoid arthritis (RA). We aimed to study the serum level of galectin-3 in patients with newly diagnosed RA and associations with disease profile, Magnetic Resonance Imaging (MRI) findings and seromarkers of synovial matrix inflammation. One hundred and sixty DMARD naïve patients newly diagnosed with RA were included (CIMESTRA study). Clinical, serological and imaging data were recorded before treatment and at 6 weeks, 3 and 12 months...
October 9, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28990062/regulation-of-m1%C3%A2-type-and-m2%C3%A2-type-macrophage-polarization-in-raw264-7-cells-by-galectin%C3%A2-9
#8
Ran Lv, Qi Bao, Yan Li
Generally considered as a potent pro‑inflammatory signal, β‑galactosidelectin suppresses T cell receptor activation, can both promote and inhibit integrin‑mediated adhesion and is required in nuclear pre‑mRNA splicing. Galectin‑9 (Gal‑9), a member of β‑galactoside lectin, is involved many processes of T cell‑mediated diseases (such as autoimmune diseases and asthma) and immunomodulation of macrophages. Macrophages are involved in the occurrence of inflammation, development and digestion and other stages...
October 4, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28980281/evaluating-the-effects-of-cardiac-resynchronization-therapy-on-pathophysiological-pathways-of-heart-failure-using-surrogate-biomarkers
#9
Hamza Sunman, Adem Özkan, Hikmet Yorgun, Uğur Canpolat, Erdem Karabulut, Tülin Bayrak, Ergün Barış Kaya, Lale Tokgözoğlu, Necla Özer, Asuman Özkara, Kudret Aytemir, Ali Oto
BACKGROUND: Several studies have investigated the effects of cardiac resynchronization therapy (CRT) on heart failure (HF), but none have evaluated the pathophysiological pathways involved in a single group of patients. Therefore, this study aims to assess the long-term effects of CRT on six different pathophysiological pathways involved in the process of HF by the use of surrogate biomarkers. METHODS: In a group 44 patients with HF, six groups of biomarkers were measured, both at baseline and 1 year after CRT implantation: Inflammation (interleukin [IL]-4, IL-6, tumor necrosis factor [TNF]-α, high sensitive C-reactive protein [hsCRP]); oxidative stress (myeloperoxidase, oxidized low-density lipoprotein [oxLDL], uric acid); extracellular matrix (ECM) remodeling (matrix metalloproteinase [MMP]-2 and -9, galectin-3, procollagen III N-terminal propeptide [prokol-3NT]); neurohormonal pathways (endothelin-1, chromogranin-A); myocyte injury (troponin T, creatine kinase MB fraction [CK-MB]), myocyte stress (B-type natriuretic peptide [BNP])...
October 5, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28974104/prospective-validation-of-a-screening-biomarker-approach-combining-amino-terminal-pro-brain-natriuretic-peptide-with-galectin-3-predicts-death-and-cardiovascular-events-in-asymptomatic-hemodialysis-patients
#10
Luminita Voroneanu, Dimitrie Siriopol, Mugurel Apetrii, Simona Hogas, Mihai Onofriescu, Ionut Nistor, Mehmet Kanbay, Raluca Dumea, Silvia Cusai, Petru Cianga, Daniela Constantinescu, Adrian Covic
Cardiovascular (CV) disease is a major cause of death in hemodialysis patients. Biomarkers used to identify high-risk asymptomatic patients would allow early evaluation of cardiac dysfunction and appropriate therapeutic intervention. Amino-terminal pro-brain natriuretic peptide (NT-proBNP) and galectin-3 (Gal-3) may serve this purpose. Plasma levels of NT-proBNP and Gal-3 were measured in 173 patients. Patients were prospectively followed for occurrences of major CV events or death. The association of NT-proBNP and Gal-3 with outcome was analyzed...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28968471/modulation-of-the-mrna-binding-protein-hur-as-a-novel-reversal-mechanism-of-epirubicin-triggered-multidrug-resistance-in-colorectal-cancer-cells
#11
Guan-Liang Lin, Huei-Ju Ting, Ta-Chien Tseng, Vivian Juang, Yu-Li Lo
HuR (ELAVL1), a RNA-binding protein, plays a key role in posttranscriptional regulation of multidrug resistance (MDR)-related genes. Among various HuR-regulated oncogenic transcripts, the activation of galectin-3/β-catenin survival pathway is critical to induce transcription of cyclin D1, P-glycoprotein (P-gp) and/or multidrug resistance-associated proteins (MRPs). In this study, we aim to elucidate the HuR-regulating pathways related to epirubicin-mediated resistance in human colorectal carcinoma cells. The effects and mechanisms of epirubicin treatment on the expressions of upstream survival signals (e...
2017: PloS One
https://www.readbyqxmd.com/read/28958189/small-leucine-rich-repeat-proteoglycans-associated-with-mature-insoluble-elastin-serve-as-binding-sites-for-galectins
#12
Aiko Itoh, Yasuhiro Nonaka, Takashi Ogawa, Takanori Nakamura, Nozomu Nishi
We previously reported that galectin-9 (Gal-9), an immunomodulatory animal lectin, could bind to insoluble collagen preparations and exerted direct cytocidal effects on immune cells. In the present study, we found that mature insoluble elastin is capable of binding Gal-9 and other members of the human galectin family. Lectin blot analysis of a series of commercial water-soluble elastin preparations, PES-(A) ~ PES-(E), revealed that only PES-(E) contained substances recognized by Gal-9. Gal-9-interacting substances in PES-(E) were affinity-purified, digested with trypsin and then analyzed by reversed-phase HPLC...
September 29, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28951537/tim-3-signaling-in-peripheral-nk-cells-promotes-maternal-fetal-immune-tolerance-and-alleviates-pregnancy-loss
#13
Yanhong Li, Jiayuan Zhang, Di Zhang, Xiaowu Hong, Yu Tao, Songcun Wang, Yuanyuan Xu, Hailan Piao, Weijie Yin, Min Yu, Yin Zhang, Qiang Fu, Dajin Li, Xing Chang, Meirong Du
Pregnancy loss occurs in about 15% of clinically recognized pregnancies, and defective maternal-fetal immune tolerance contributes to more than 50% of these events. We found that signaling by the type I membrane protein T cell immunoglobulin and mucin-containing protein 3 (Tim-3) in natural killer (NK) cells had an essential protective role during early pregnancy. Tim-3 on peripheral NK (pNK) cells was transiently increased in abundance during the first trimester of pregnancy, which depended on interleukin-4 (IL-4)-signal transducer and activator of transcription 6 (STAT6) and progesterone signaling...
September 26, 2017: Science Signaling
https://www.readbyqxmd.com/read/28947730/association-of-serum-galectin-3-with-the-acute-exacerbation-of-chronic-obstructive-pulmonary-disease
#14
Wei Feng, Xiaojuan Wu, Shaojun Li, Cui Zhai, Jian Wang, Wenhua Shi, Manxiang Li
BACKGROUND Acute exacerbation of chronic obstructive pulmonary disease (AECOPD) aggravates the overall severity in COPD patients, resulting in severe morbidity and mortality. However, there are no objective biomarkers currently available to predict the development of AECOPD. Several studies have indicated that galectin-3 (Gal-3) is involved in diseases characterized by excessive inflammatory response and fibrosis. The objective of this study was to examine the dynamic changes of Gal-3 in acute exacerbation and convalescence phases of COPD...
September 26, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28942393/prognostic-value-of-galectin-3-in-adults-with-congenital-heart-disease
#15
Vivan J M Baggen, Annemien E van den Bosch, Jannet A Eindhoven, Myrthe E Menting, Maarten Witsenburg, Judith A A E Cuypers, Eric Boersma, Jolien W Roos-Hesselink
OBJECTIVE: Galectin-3 is an emerging biomarker for risk stratification in patients with heart failure. This study aims to investigate the release of galectin-3 and its association with cardiovascular events in patients with adult congenital heart disease (ACHD). METHODS: In this prospective cohort study, 602 consecutive patients with ACHD who routinely visited the outpatient clinic were enrolled between 2011 and 2013. Galectin-3 was measured in thaw serum by batch analysis...
September 23, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28939284/modulation-of-galectin-3-and-galectin-9-in-gastric-mucosa-of-patients-with-chronic-gastritis-and-positive-helicobacter-pylori-infection
#16
Rayane Bernardes Estevam, Natalia Maria Jacom Wood da Silva, Wood da Silva, Fernanda Machado Fonseca, Adriana Gonçalves de Oliveira, Nogueira, Sanívia Aparecida de Lima Pereira, Thiago Lima Pereira, Sheila Jorge Adad, Virmondes Júnior Rodrigues, Denise Bertulucci Rocha Rodrigues
OBJECTIVES: Galectins are mediators that play an important role in the inflammatory response and in this study we analyzed the expression of Galectins (Gal) -1, -3 and -9 in biopsies of the gastric antrum of patients with upper gastrointestinal symptoms. METHODOLOGY: 44 patients with upper digestive tract symptoms were evaluated, and underwent Upper Digestive Endoscopy examination. Sections of the gastric antrum were fixed in buffered formaldehyde at 4% in order to perform the anatomopathological examination and immunohistochemical analysis for Galectins-1, -3 and -9 expression...
August 25, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28938960/galectin-3-and-incidence-of-atrial-fibrillation-the-atherosclerosis-risk-in-communities-aric-study
#17
MULTICENTER STUDY
Oluwaseun E Fashanu, Faye L Norby, David Aguilar, Christie M Ballantyne, Ron C Hoogeveen, Lin Y Chen, Elsayed Z Soliman, Alvaro Alonso, Aaron R Folsom
BACKGROUND: Galectin-3, a β-galactoside binding lectin involved in important regulatory roles in adhesion, inflammation, immunity, and fibrosis, may be relevant to atrial fibrillation (AF) etiology. METHODS: We included 8,436 participants free of AF at baseline (1996-1998) and with measures of plasma galectin-3 from the Atherosclerosis Risk in Communities study. We ascertained incident AF through 2013 from study visit electrocardiograms, hospitalizations, and death certificates...
October 2017: American Heart Journal
https://www.readbyqxmd.com/read/28935460/myocardial-fibrosis-detected-by-magnetic-resonance-in-systemic-sclerosis-patients-relationship-with-biochemical-and-echocardiography-parameters
#18
Milan Hromádka, Jitka Seidlerová, David Suchý, Daniel Rajdl, Jan Lhotský, Jaroslav Ludvík, Richard Rokyta, Jan Baxa
OBJECTIVES: Systemic scleroderma (SSc) is a rare connective tissue disease presenting with fibrosis affecting skin and internal organs. Cardiovascular magnetic resonance (CMR) with quantification of extracellular volume (ECV) and T1 mapping might help to detect heart involvement. We aimed to evaluate whether myocardial involvement correlates with functional and laboratory parameters. METHODS: Thirty-three asymptomatic SSc patients (29 women, aged 56.6±12.2years) and 20 controls (10 women, 53...
September 18, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28932392/galectin-3-a-marker-of-cardiac-remodeling-is-inversely-related-to-serum-levels-of-marine-omega-3-fatty-acids-a-cross-sectional-study
#19
K Laake, I Seljeflot, E B Schmidt, P Myhre, A Tveit, J Norseth, H Arnesen, S Solheim
OBJECTIVE: Marine polyunsaturated n-3 fatty acids (n-3 PUFA) may have cardioprotective effects and beneficial influence on the fibrotic process. We evaluated the associations between serum marine n-3 PUFA and selected biomarkers of fibrosis and cardiac remodeling in elderly patients with acute myocardial infarction. SETTING: From the ongoing OMega-3 fatty acids in Elderly patients with Myocardial Infarction (OMEMI) trial, 299 patients were investigated. Soluble ST2 (sST2), Galectin-3 (Gal-3) and the serum content of major marine n-3 and n-6 PUFA were analyzed 2-8 weeks after the index acute myocardial infarction...
January 2017: JRSM Cardiovascular Disease
https://www.readbyqxmd.com/read/28915646/interleukin-15-stimulates-natural-killer-cell-mediated-killing-of-both-human-pancreatic-cancer-and-stellate-cells
#20
Jonas R M Van Audenaerde, Jorrit De Waele, Elly Marcq, Jinthe Van Loenhout, Eva Lion, Johan M J Van den Bergh, Ralf Jesenofsky, Atsushi Masamune, Geert Roeyen, Patrick Pauwels, Filip Lardon, Marc Peeters, Evelien L J Smits
Pancreatic ductal adenocarcinoma (PDAC) is the 4(th) leading cause of cancer-related death in Western countries with a 5-year survival rate below 5%. One of the hallmarks of this cancer is the strong desmoplastic reaction within the tumor microenvironment (TME), orchestrated by activated pancreatic stellate cells (PSC). This results in a functional and mechanical shield which causes resistance to conventional therapies. Aiming to overcome this resistance by tackling the stromal shield, we assessed for the first time the capacity of IL-15 stimulated natural killer (NK) cells to kill PSC and pancreatic cancer cells (PCC)...
August 22, 2017: Oncotarget
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