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https://www.readbyqxmd.com/read/28454350/mir-455-5p-functions-as-a-potential-oncogene-by-targeting-galectin-9-in-colon-cancer
#1
Qianqian Yang, Chen Hou, Da Huang, Chunbo Zhuang, Weichao Jiang, Zhi Geng, Xiaobei Wang, Lihua Hu
Although there is evidence that galectin-9 is a critical factor in health and disease, the upstream regulatory microRNA (miRNA or miR) of the protein remains poorly defined. miR-455-5p is characterized as a tumor-associated miRNA in cancer research. However, the actual role of miR-455-5p with respect to inhibiting or promoting tumorigenesis in colon cancer is unclear. The present study aimed to investigate the expression, role and target regulation association of galectin-9 and miR-455-5p in colon cancer. Western blot analysis and reverse transcription-quantitative polymerase chain reaction were used for the detection of the expression levels of galectin-9 and miRNAs...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454344/galectin-7-promotes-the-invasiveness-of-human-oral-squamous-cell-carcinoma-cells-via-activation-of-erk-and-jnk-signaling
#2
Jia-Ping Guo, Xiao-Guang Li
Galectin-7 is a member of the β-galactoside-binding protein family, and is highly expressed in oral squamous cell carcinoma (OSCC). The aim of the present study was to investigate the effects of manipulating galectin-7 expression on the biological phenotype of human OSCC cells and the associated molecular mechanisms. Knockdown of endogenous galectin-7 via small interfering RNA (siRNA) was performed and cell proliferation, apoptosis, migration, and invasion were subsequently assessed. The data indicated that galectin-7 silencing had no impact on the proliferation or apoptosis of OSCC cells...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28446218/increased-galectin-3-may-serve-as-a-serologic-signature-of-pre-rheumatoid-arthritis-while-markers-of-synovitis-and-cartilage-do-not-differ-between-early-undifferentiated-arthritis-subsets
#3
Saida Farah Issa, Anne Duer, Mikkel Østergaard, Kim Hørslev-Petersen, Merete L Hetland, Michael Sejer Hansen, Kirsten Junker, Hanne M Lindegaard, Jakob M Møller, Peter Junker
BACKGROUND: Undifferentiated arthritis (UA) is a label applied to patients with joint complaints which cannot be classified according to current criteria, which implies a need for precision diagnostic technologies. We studied serum galectin-3, a proinflammatory mediator, and seromarkers of structural joint elements in patients with early, UA and their associations with disease profile and biochemical and imaging findings. METHODS: One hundred and eleven UA patients were followed-up for at least 12 months and reclassified according to appropriate criteria (TUDAR)...
April 26, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28432704/human-galectin-9-on-the-porcine-cells-affects-the-cytotoxic-activity-of-m1-differentiated-thp-1-cells-through-inducing-a-shift-in-m2-differentiated-thp-1-cells
#4
Sung Han Jung, Jeong Ho Hwang, Sang Eun Kim, Young Kyu Kim, Hyo Chang Park, Hoon Taek Lee
BACKGROUND: In xenotransplantation, immune rejection by macrophages occurs rapidly and remains a major obstacle. Studies to control immune rejection in macrophages have been continuing to date. Recent studies have reported that human galectin-9 (hGal-9) can regulate the function of regulatory T cells (Treg), as well as cytotoxicity T cells (CTL) and natural killer cells (NK). Although the effect of hGal-9 on lymphocytes has been well studied, the relationship between hGal-9 and myeloid cells has been scarcely studied...
April 21, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28406038/the-gala-study-relationship-between-galectin-3-serum-levels-and-short-and-long-term-outcomes-of-patients-with-acute-heart-failure
#5
Òscar Miró, Bernardino González de la Presa B, Pablo Herrero, Rosa Fernández Bonifacio, Martin Möckel, Christian Mueller, Gregori Casals, Silvia Sandalinas, Pere Llorens, Francisco Javier Martín-Sánchez, Javier Jacob, José Luis Bedini, Víctor Gil
OBJECTIVE: We tested the hypothesis that early measurement of galactin-3 at the emergency department (ED) during an episode of acute heart failure (AHF) allows predicting short- and long-term outcome. METHODS: We performed an exploratory study including 115 patients consecutively diagnosed with AHF in a single ED. Clinical and analytical variables were recorded. The primary endpoint was 30-day all-cause mortality, and secondary endpoints were 30-day composite outcome (death, rehospitalisation or ED reconsultation, whichever first) and 1-year mortality...
April 13, 2017: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/28394331/dectin-1-activation-on-macrophages-by-galectin-9-promotes-pancreatic-carcinoma-and-peritumoral-immune-tolerance
#6
Donnele Daley, Vishnu R Mani, Navyatha Mohan, Neha Akkad, Atsuo Ochi, Daniel W Heindel, Ki Buom Lee, Constantinos P Zambirinis, Gautam Sd Balasubramania Pandian, Shivraj Savadkar, Alejandro Torres-Hernandez, Shruti Nayak, Ding Wang, Mautin Hundeyin, Brian Diskin, Berk Aykut, Gregor Werba, Rocky M Barilla, Robert Rodriguez, Steven Chang, Lawrence Gardner, Lara K Mahal, Beatrix Ueberheide, George Miller
The progression of pancreatic oncogenesis requires immune-suppressive inflammation in cooperation with oncogenic mutations. However, the drivers of intratumoral immune tolerance are uncertain. Dectin 1 is an innate immune receptor crucial for anti-fungal immunity, but its role in sterile inflammation and oncogenesis has not been well defined. Furthermore, non-pathogen-derived ligands for dectin 1 have not been characterized. We found that dectin 1 is highly expressed on macrophages in pancreatic ductal adenocarcinoma (PDA)...
April 10, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28393295/elevated-galectin-9-suppresses-th1-effector-function-and-induces-apoptosis-of-activated-cd4-t-cells-in-osteoarthritis
#7
Shufeng Yang, Jin Wang, Fengrong Chen, Guoyin Liu, Zhiqiang Weng, Jianmin Chen
T cell immunoglobulin and mucin domain 3 (Tim-3) is a critical regulatory molecule found on activated Th1 cells, exhausted CD8(+) T cells, and resting monocytes/macrophages. Galectin-9 (Gal-9) is an identified ligand for Tim-3. Interaction between Tim-3 and Gal-9 is thought to inhibit Th1 responses. The regulation and function of Tim-3 and Gal-9 in osteoarthritis (OA) have not been intensively investigated. We found that in peripheral blood, CD4(+) T cells, but not CD8(+) T cells or CD14(+) monocytes, from OA patients presented significantly elevated Tim-3 and Gal-9 expression compared to those from healthy controls (HC)...
April 10, 2017: Inflammation
https://www.readbyqxmd.com/read/28390192/runt-related-transcription-factor-2-runx2-is-responsible-for-galectin-3-overexpression-in-human-thyroid-carcinoma
#8
Engin Kaptan, Serap Sancar Bas, Aylin Sancakli, Hatice Gumushan Aktas, Bertan Boran Bayrak, Refiye Yanardag, Sehnaz Bolkent
Runx2 promotes metastatic ability of cancer cells by directly activating some of the mediators regarding malignancy. Galectin-3 (Gal-3) extensively expressed in normal and transformed cells and it is responsible for many cellular processes. In this study, we aimed to investigate whether there is any relationship between runx2 transcription factor and regulation of galectin-3 expression in different human thyroid carcinoma cell lines. To show effects of runx2 transcription factor on gal-3 expression, we developed runx2 knockdown model in the thyroid carcinoma cell lines; anaplastic 8505C and 8305C and, papillary TPC-1 and follicular FTC-133 by using siRNA transfection...
April 8, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28365246/the-association-between-oxidative-stress-induced-galectins-and-differentiation-of-human-promyelocytic-hl-60-cells
#9
James R Vinnai, Robert C Cumming, Graham J Thompson, Alexander V Timoshenko
Galectins are multifunctional β-galactoside-binding proteins that are involved in the regulation of cellular stress responses and differentiation. The relationship between these processes is unclear and we report here that galectins display oxidative-stress specific expression patterns in neutrophil-like differentiated HL-60 cells. Three galectins (-1, -3, and -10) are upregulated in response to either menadione or DMSO exposure whereas galectins -9 and -12 exhibited a stimulus-dependent downregulation. Changes in galectin expression are oxidant dependent based on the observations that 1) oxidative stress biomarkers HMOX1 (heme oxygenase-1) and NCF1 (neutrophil cytosolic factor 1, which is also a biomarker of neutrophil differentiation) are elevated in both cases, and 2) the antioxidant N-acetyl-L-cysteine restores basal expression of galectin-3 following oxidant exposure...
March 30, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28347658/galectin-9-as-a-prognostic-and-predictive-biomarker-in-bladder-urothelial-carcinoma
#10
Yidong Liu, Zheng Liu, Qiang Fu, Zewei Wang, Hangcheng Fu, Weisi Liu, Yiwei Wang, Jiejie Xu
PURPOSE: Galectin-9, a member of the "tandem repeat" type galectins performing as animal lectins with an affinity for β-galactosides, has been well documented to exert crucial functions in immunomodulation, survival, and growth of various tumors. This study aims to reveal the clinical significance of galectin-9 in urothelial carcinoma of the bladder (UCB) postoperatively. MATERIALS AND METHODS: We retrospectively included 202 patients with UCB who underwent radical cystectomy at a single institute from 2002 to 2014...
March 24, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28345865/human-milk-oligosaccharide-specificities-of-human-galectins-comparison-of-electrospray-ionization-mass-spectrometry-and-glycan-microarray-screening-results
#11
Km Shams-Ud-Doha, Elena N Kitova, Pavel I Kitov, Yves St-Pierre, John S Klassen
The affinities of thirty-two free human milk oligosaccharides (HMOs) for four human galectin proteins, a stable mutant of hGal1 (hGal-1), a C-terminal fragment of hGal-3 (hGal-3C), hGal-7, and an N-terminal fragment of hGal-9 (hGal-9N), were measured using electrospray ionization mass spectrometry (ESI-MS). The binding data show that each of the four galectins recognize the majority of the HMOs tested (hGal-1 binds thirty-two HMOs, hGal-3C binds twenty-six, hGal-7 binds thirty-one, and hGal-9N binds twenty-six)...
April 10, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28344887/pd-l1-galectin-9-and-cd8-tumor-infiltrating-lymphocytes-are-associated-with-survival-in-hepatocellular-carcinoma
#12
Kostandinos Sideras, Katharina Biermann, Joanne Verheij, Bart R Takkenberg, Shanta Mancham, Bettina E Hansen, Hannah M Schutz, Robert A de Man, Dave Sprengers, Sonja I Buschow, Maddy C M Verseput, Patrick P C Boor, Qiuwei Pan, Thomas M van Gulik, Turkan Terkivatan, Jan N M Ijzermans, Ulrich H W Beuers, Stefan Sleijfer, Marco J Bruno, Jaap Kwekkeboom
Novel systemic treatments for hepatocellular carcinoma (HCC) are strongly needed. Immunotherapy is a promising strategy that can induce specific antitumor immune responses. Understanding the mechanisms of immune resistance by HCC is crucial for development of suitable immunotherapeutics. We used immunohistochemistry on tissue-microarrays to examine the co-expression of the immune inhibiting molecules PD-L1, Galectin-9, HVEM and IDO, as well as tumor CD8(+) lymphocyte infiltration in HCC, in two independent cohorts of patients...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28336260/the-analysis-of-human-conjunctival-epithelium-proteome-in-ocular-surface-diseases-using-impression-cytology-and-2d-dige
#13
Javier Soria, Arantxa Acera, Juan A Durán, Ana Boto-de-Los-Bueis, Almudena Del-Hierro-Zarzuelo, Nerea González, Rebeca Reigada, Tatiana Suárez
Conjunctival impression cytology samples from patients with meibomian gland dysfunction (MGD), dry eye (DE), and healthy subjects (CT) were collected for determination of the degree of squamous metaplasia (SM) by PAS-hematoxylin staining and for comparative proteomic analyses by 2D-DIGE. The protein spots with discriminant expression were identified by MALDI-TOF/TOF mass spectrometry. Three independent statistical studies were conducted: i). Analysis of differential protein expression between study groups: We observed increased expression of proteins S100A4, S100A8, retinal dehydrogenase-1, peroxiredoxin-1, annexin-A1, annexin-A2, α-enolase, and glutathione S-transferase-P in DE, whereas the highest expression of peroxiredoxin-6, actin cytoplasmic-1, peroxiredoxin-2, and heat shock protein HSP-90-α was observed in MGD; ii)...
March 20, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28322756/establishing-reference-intervals-for-galectin-3-concentrations-in-serum-requires-careful-consideration-of-its-biological-determinants
#14
Magdalena Krintus, Marek Kozinski, Tomasz Fabiszak, Jacek Kubica, Mauro Panteghini, Grazyna Sypniewska
BACKGROUND: Appropriately established reference intervals for laboratory biomarkers may help the interpretation of their results and facilitate clinical utilization. OBJECTIVES: i) To determine reference intervals for serum galectin-3 measured using the Architect STAT immunoassay, and ii) to identify factors affecting galectin-3 concentrations. METHODS: We recruited 533 questionnaire-identified apparently healthy individuals, in which laboratory biomarkers were used to detect asymptomatic myocardial injury and dysfunction, ongoing inflammation, hyperglycemia, dyslipidemia, and renal dysfunction...
March 18, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28321034/galectin-9-as-a-predictive-marker-for-the-onset-of-immune-related-adverse-effects-associated-with-anti-ccr4-moab-therapy-in-patients-with-adult-t-cell-leukemia
#15
Tareg Omer Mohammed, Haorile Chagan-Yasutan, Yugo Ashino, Wakana Nakayama, Yayoi Takahashi, Taizo Shimomura, Tetsuhiro Fujimoto, Yuko Watanabe, Toshiro Niki, Hitoshi Suzushima, Toshio Hattori
Adult T-cell leukemia/lymphoma (ATL/ATLL) is one of the most malignant lymphomas with poor prognosis. ATL/ATLL cells express CC chemokine receptor 4, and mogamulizumab (anti-CCR4 monoclonal antibody) exhibits strong cytotoxicity for ATL/ATLL cells. We analyzed plasma samples of 6 patients with ATL/ATLL treated with chemotherapy followed by mogamulizumab therapy (mogatherapy) for changes in the levels of biomarkers in relation to immune-related adverse effects. As treatment is often associated with skin eruptions, we investigated the profiles of inflammatory cytokines, including galectin-9 (Gal-9), which becomes increased in various infectious diseases and allergic patients...
March 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28319050/extracellular-matrix-proteomics-identifies-molecular-signature-of-symptomatic-carotid-plaques
#16
Sarah R Langley, Karin Willeit, Athanasios Didangelos, Ljubica Perisic Matic, Philipp Skroblin, Javier Barallobre-Barreiro, Mariette Lengquist, Gregor Rungger, Alexander Kapustin, Ludmilla Kedenko, Chris Molenaar, Ruifang Lu, Temo Barwari, Gonca Suna, Xiaoke Yin, Bernhard Iglseder, Bernhard Paulweber, Peter Willeit, Joseph Shalhoub, Gerard Pasterkamp, Alun H Davies, Claudia Monaco, Ulf Hedin, Catherine M Shanahan, Johann Willeit, Stefan Kiechl, Manuel Mayr
BACKGROUND: The identification of patients with high-risk atherosclerotic plaques prior to the manifestation of clinical events remains challenging. Recent findings question histology- and imaging-based definitions of the "vulnerable plaque," necessitating an improved approach for predicting onset of symptoms. METHODS: We performed a proteomics comparison of the vascular extracellular matrix and associated molecules in human carotid endarterectomy specimens from 6 symptomatic versus 6 asymptomatic patients to identify a protein signature for high-risk atherosclerotic plaques...
April 3, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28288139/mice-deleted-for-cell-division-cycle-73-gene-develop-parathyroid-and-uterine-tumours-model-for-the-hyperparathyroidism-jaw-tumour-syndrome
#17
G V Walls, M Stevenson, K E Lines, P J Newey, A A C Reed, M R Bowl, J Jeyabalan, B Harding, K J Bradley, S Manek, J Chen, P Wang, B O Williams, B T Teh, R V Thakker
The hyperparathyroidism-jaw tumour (HPT-JT) syndrome is an autosomal dominant disorder characterized by occurrence of parathyroid tumours, often atypical adenomas and carcinomas, ossifying jaw fibromas, renal tumours and uterine benign and malignant neoplasms. HPT-JT is caused by mutations of the cell division cycle 73 (CDC73) gene, located on chromosome 1q31.2 and encodes a 531 amino acid protein, parafibromin. To facilitate in vivo studies of Cdc73 in tumourigenesis we generated conventional (Cdc73(+/-)) and conditional parathyroid-specific (Cdc73(+/L)/PTH-Cre and Cdc73(L/L)/PTH-Cre) mouse models...
March 13, 2017: Oncogene
https://www.readbyqxmd.com/read/28274286/galectins-expressed-differently-in-genetically-susceptible-c57bl-6-and-resistant-balb-c-mice-during-acute-ocular-toxoplasma-gondii-infection
#18
S-J Chen, Y-X Zhang, S-G Huang, F-L Lu
Ocular toxoplasmosis (OT) caused by Toxoplasma gondii is a major cause of infectious uveitis, however little is known about its immunopathological mechanism. Susceptible C57BL/6 (B6) and resistant BALB/c mice were intravitreally infected with 500 tachyzoites of the RH strain of T. gondii. B6 mice showed more severe ocular pathology and higher parasite loads in the eyes. The levels of galectin (Gal)-9 and its receptors (Tim-3 and CD137), interferon (IFN)-γ, IL-6 and IL-10 were significantly higher in the eyes of B6 mice than those of BALB/c mice; however, the levels of IFN-α and -β were significantly decreased in the eyes and CLNs of B6 mice but significantly increased in BALB/c mice after infection...
March 9, 2017: Parasitology
https://www.readbyqxmd.com/read/28247849/meta-analysis-of-the-usefulness-of-plasma-galectin-3-to-predict-the-risk-of-mortality-in-patients-with-heart-failure-and-in-the-general-population
#19
Tasnim F Imran, Hyun Joon Shin, Njambi Mathenge, Frank Wang, Bernard Kim, Jacob Joseph, J Michael Gaziano, Luc Djoussé
Galectin-3 is an emerging biomarker of myocardial fibrosis, inflammation, and immune response. We sought to examine the relation of plasma galectin-3 with cardiovascular (CVD) mortality, all-cause mortality, and incident heart failure (HF). We performed a literature search for all relevant publications using Ovid MEDLINE, Google Scholar, and other databases up to January 2016. Two reviewers independently extracted data and assessed risk of bias. We extracted hazard ratios (HRs) from regression models that adjusted for age, gender, race, body mass index, smoking, hypertension, hyperlipidemia, diabetes, natriuretic peptides, and renal function, when available...
January 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28242288/galectin-3-levels-are-elevated-and-predictive-of-mortality-in-pulmonary-hypertension
#20
Jeremy A Mazurek, Benjamin D Horne, Wajeeha Saeed, Muhammad R Sardar, Ronald Zolty
BACKGROUND: Galectin-3, a novel binding-lectin involved in inflammation and fibrosis, is elevated in heart failure and is independently predictive of mortality in this condition. We sought to evaluate galectin-3 levels and its prognostic value in patients with pulmonary hypertension (PH), a known inflammatory state, in the setting of pulmonary arterial hypertension (PAH) and in heart failure with preserved ejection fraction-associated PH (HFpEF-PH). METHODS: We measured galectin-3 levels in 76 patients with PH; 37 patients with PAH and 39 patients with HFpEF-PH...
February 8, 2017: Heart, Lung & Circulation
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