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https://www.readbyqxmd.com/read/28739499/primary-signet-ring-stromal-tumor-of-the-testis-a-study-of-13-cases-indicating-their-phenotypic-and-genotypic-analogy-to-pancreatic-solid-pseudopapillary-neoplasm
#1
Kvetoslava Michalova, Michael Michal, Dmitry V Kazakov, Monika Sedivcova, Ondrej Hes, Ladislav Hadravsky, Abbas Agaimy, Maria Tretiakova, Carlos Bacchi, Arndt Hartmann, Naoto Kuroda, Stela Bulimbasic, Marijana Coric, Tatjana Antic, Michal Michal
Primary signet ring stromal tumor of the testis (PSRSTT) is an extremely rare tumor described only twice in the literature. Pancreatic-analogue solid pseudopapillary neoplasm (SPN) of the testis is a recently reported entity with morphological overlap with PSRSTT. We reviewed our files to find all cases of PSRSTT in order to better characterize this entity. We studied 13 cases of PSRSTTs using histological, immunohistochemical (IHC) and molecular genetic methods and compared the results with pancreatic SPN...
July 21, 2017: Human Pathology
https://www.readbyqxmd.com/read/28738179/erratum-to-establishing-reference-intervals-for-galectin-3-concentrations-in-serum-requires-careful-consideration-of-its-biological-determinants-clin-biochem-50-2017-599-604
#2
Magdalena Krintus, Marek Kozinski, Tomasz Fabiszak, Jacek Kubica, Mauro Panteghini, Grazyna Sypniewska
No abstract text is available yet for this article.
July 21, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28736517/resolution-of-cochlear-inflammation-novel-target-for-preventing-or-ameliorating-drug-noise-and-age-related-hearing-loss
#3
REVIEW
Gilda M Kalinec, Gwen Lomberk, Raul A Urrutia, Federico Kalinec
A significant number of studies support the idea that inflammatory responses are intimately associated with drug-, noise- and age-related hearing loss (DRHL, NRHL and ARHL). Consequently, several clinical strategies aimed at reducing auditory dysfunction by preventing inflammation are currently under intense scrutiny. Inflammation, however, is a normal adaptive response aimed at restoring tissue functionality and homeostasis after infection, tissue injury and even stress under sterile conditions, and suppressing it could have unintended negative consequences...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28733584/therapeutic-effects-of-sphingosine-kinase-inhibitor-n-n-dimethylsphingosine-dms-in-experimental-chronic-chagas-disease-cardiomyopathy
#4
Juliana Fraga Vasconcelos, Cássio Santana Meira, Daniela Nascimento Silva, Carolina Kymie Vasques Nonaka, Pâmela Santana Daltro, Simone Garcia Macambira, Pablo Daniel Domizi, Valéria Matos Borges, Ricardo Ribeiro-Dos-Santos, Bruno Solano de Freitas Souza, Milena Botelho Pereira Soares
Chagas disease cardiomyopathy is a parasite-driven inflammatory disease to which there are no effective treatments. Here we evaluated the therapeutic potential of N,N-dimethylsphingosine(DMS), which blocks the production of sphingosine-1-phosphate(S1P), a mediator of cellular events during inflammatory responses, in a model of chronic Chagas disease cardiomyopathy. DMS-treated, Trypanosoma cruzi-infected mice had a marked reduction of cardiac inflammation, fibrosis and galectin-3 expression when compared to controls...
July 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28731466/interaction-of-galectin-3-with-muc1-on-cell-surface-promotes-egfr-dimerization-and-activation-in-human-epithelial-cancer-cells
#5
Tushar Piyush, Anisha R Chacko, Paulina Sindrewicz, John Hilkens, Jonathan M Rhodes, Lu-Gang Yu
Epidermal growth factor receptor (EGFR) is an important regulator of epithelial cell growth and survival in normal and cancerous tissues and is a principal therapeutic target for cancer treatment. EGFR is associated in epithelial cells with the heavily glycosylated transmembrane mucin protein MUC1, a natural ligand of galectin-3 that is overexpressed in cancer. This study reveals that the expression of cell surface MUC1 is a critical enhancer of EGF-induced EGFR activation in human breast and colon cancer cells...
July 21, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28730538/spectrum-of-lesions-derived-from-branchial-arches-occurring-in-the-thyroid-from-solid-cell-nests-to-tumors
#6
Kristyna Srbecka, Kvetoslava Michalova, Radmila Curcikova, Michael Michal, Magdalena Dubova, Marian Svajdler, Michal Michal, Ondrej Daum
There is a group of lesions in the head and neck region derived from branchial arches and related structures which, when inflamed, are characterized by the formation of cysts lined by squamous or glandular epithelium and surrounded by a heavy inflammatory infiltrate rich in germinal centers. In the thyroid, the main source of various structures which may cause diagnostic dilemma is the ultimobranchial body. To investigate the spectrum of such thyroid lesions, the consultation files were reviewed for thyroid samples containing pathological structures regarded to arise from the ultimobranchial body...
July 20, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28729624/taxanes-and-platinum-derivatives-impair-schwann-cells-via-distinct-mechanisms
#7
Satoshi Imai, Madoka Koyanagi, Ziauddin Azimi, Yui Nakazato, Mayuna Matsumoto, Takashi Ogihara, Atsushi Yonezawa, Tomohiro Omura, Shunsaku Nakagawa, Shuji Wakatsuki, Toshiyuki Araki, Shuji Kaneko, Takayuki Nakagawa, Kazuo Matsubara
Impairment of peripheral neurons by anti-cancer agents, including taxanes and platinum derivatives, has been considered to be a major cause of chemotherapy-induced peripheral neuropathy (CIPN), however, the precise underlying mechanisms are not fully understood. Here, we examined the direct effects of anti-cancer agents on Schwann cells. Exposure of primary cultured rat Schwann cells to paclitaxel (0.01 μM), cisplatin (1 μM), or oxaliplatin (3 μM) for 48 h induced cytotoxicity and reduced myelin basic protein expression at concentrations lower than those required to induce neurotoxicity in cultured rat dorsal root ganglion (DRG) neurons...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28728946/serum-galectin-1-levels-are-positively-correlated-with-body-fat-and-negatively-with-fasting-glucose-in-obese-children
#8
Sezer Acar, Ahu Paketçi, Tuncay Küme, Hale Tuhan, Özlem Gürsoy Çalan, Korcan Demir, Ece Böber, Ayhan Abacı
Galectin-1, a recently identified peptide, is primarily released from the adipose tissue. Although galectin-1 was shown to have an anti-inflammatory effect, its specific function is not clearly understood. We aimed to evaluate the relationship of serum galectin-1 levels with clinical and laboratory parameters in childhood obesity. A total of 45 obese children (mean age: 12.1±3.1years) and 35 normal-weight children (mean age: 11.8±2.2years) were enrolled. Clinical [body mass index (BMI), waist circumference (WC), percentage of body fat and blood pressure] and biochemical [glucose, insulin, lipids, galectin-1, high-sensitive C-reactive protein (hsCRP) and leptin levels] parameters were assessed...
July 17, 2017: Peptides
https://www.readbyqxmd.com/read/28725929/inverse-correlation-between-galectin-4-and-ttf-1-in-lung-adenocarcinoma
#9
Kieko Hara, Tsuyoshi Saito, Takuo Hayashi, Keiko Mitani, Kazuya Takamochi, Shiaki Oh, Kenji Suzuki, Takashi Yao
We have previously shown that galectin-4 expression is an independent predictor for lymph node metastasis and serves as an adverse prognostic indicator in patients with acinar adenocarcinoma of the lung. In contrast, thyroid transcription factor-1 (TTF-1) expression in non-small cell lung carcinoma has been shown to be associated with a favorable prognosis. In the present study, 208 cases of acinar adenocarcinoma of the lung and 36 cases with distant metastatic lesions of lung adenocarcinoma were immunohistochemically examined for expression of galectin-4 and TTF-1 to elucidate their correlation with clinicopathological factors...
July 19, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28723634/synergistic-interaction-between-galectin-3-and-carcinoembryonic-antigen-promotes-colorectal-cancer-metastasis
#10
Keng-Liang Wu, Eng-Yen Huang, Wen-Ling Yeh, Chang-Chun Hsiao, Chung-Mou Kuo
In this study, we investigated the role of galectin-3 and carcinoembryonic antigen (CEA) in metastasis and survival of colorectal cancer (CRC) patients. CEA interacted with galectin-3 at the cell surface and cytoplasm of Caco2 and DLD1 CRC cells. Knocking down galectin-3 did not affect CEA expression in CRC cells. However, there was a dose-dependent increase in CRC cell migration upon addition of small amounts of exogenous CEA (≤1ng/ml). Galectin-3 knockdown blocked induction of CRC cell migration by CEA, suggesting interaction between galectin-3 and CEA was necessary for CRC cell migration...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28721158/potential-novel-biomarkers-of-cardiovascular-dysfunction-and-disease-cardiotrophin-1-adipokines-and-galectin-3
#11
Simona Hogas, Stefana C Bilha, Dumitru Branisteanu, Mihai Hogas, Abduzhappar Gaipov, Mehmet Kanbay, Adrian Covic
Cardiovascular disease is one of the main burdens of healthcare systems worldwide. Nevertheless, assessing cardiovascular risk in both apparently healthy individuals and low/high-risk patients remains a difficult issue. Already established biomarkers (e.g. brain natriuretic peptide, troponin) have significantly improved the assessment of major cardiovascular events and diseases but cannot be applied to all patients and in some cases do not provide sufficiently accurate information. In this context, new potential biomarkers that reflect various underlying pathophysiological cardiac and vascular modifications are needed...
June 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28718965/long-term-effects-galectin-1-and-specific-immunotherapy-for-allergic-responses-in-the-intestine
#12
Li-Tao Yang, Qing Shu, Xiang-Qian Luo, Zhi-Qiang Liu, Shu-Qi Qiu, Jiang-Qi Liu, Hai-Jian Guo, Lin-Jing Li, Mao-Gang Li, Da-Bo Liu, Li-Xin Xia, Zhi-Gang Liu, Ping-Chang Yang
BACKGROUND AND AIMS: Mast cell activation interferes with the effects of allergen-specific immunotherapy (SIT). Galectin-1 (Gal-1) is capable of regulating immune cells' functions. This study tests the hypothesis that administration of Gal-1 promotes and prolongs the efficacy of SIT via suppressing mast cell activation. METHODS: An intestinal allergy mouse model was developed. The co-administration of SIT and Gal-1 on suppression of the allergic responses, prevention of mast cell activation, and generation of antigen-specific regulatory T cells (Treg) in the intestine were observed in sensitized mice...
July 18, 2017: Allergy
https://www.readbyqxmd.com/read/28718055/early-anti-inflammatory-and-pro-angiogenic-myocardial-effects-of-intravenous-serelaxin-infusion-for-72%C3%A2-h-in-an-experimental-rat-model-of-acute-myocardial-infarction
#13
Jesus Sanchez-Mas, Antonio Lax, Mari C Asensio-Lopez, Miriam Lencina, Maria J Fernandez-Del Palacio, Angela Soriano-Filiu, Rudolf A de Boer, Domingo A Pascual-Figal
Sprague Dawley rats were subjected to acute myocardial infarction (AMI) by permanent ligation of the left anterior descending coronary artery. At the time of AMI, a subcutaneous mini-osmotic pump was implanted and animals were randomized into three groups, according to the intravenous therapy received during the first 72 h: placebo-treated (saline), serelaxin10-treated (SRLX10 = 10 μg/kg/day), or serelaxin30-treated (SRLX30 = 30 μg/kg/day). Treatment with SRLX30 reduced the expression of inflammatory cytokines and chemokines, as well as the infiltration of macrophages, and increased the expression of pro-angiogenic markers and vessel density in the infarcted myocardium after 7 days...
July 17, 2017: Journal of Cardiovascular Translational Research
https://www.readbyqxmd.com/read/28716827/galectin-1-driven-tolerogenic-programs-aggravate-yersinia-enterocolitica-infection-by-repressing-antibacterial-immunity
#14
Roberto C Davicino, Santiago P Méndez-Huergo, Ricardo J Eliçabe, Juan C Stupirski, Ingo Autenrieth, María S Di Genaro, Gabriel A Rabinovich
Yersinia enterocolitica is an enteropathogenic bacterium that causes gastrointestinal disorders, as well as extraintestinal manifestations. To subvert the host's immune response, Y. enterocolitica uses a type III secretion system consisting of an injectisome and effector proteins, called Yersinia outer proteins (Yops), that modulate activation, signaling, and survival of immune cells. In this article, we show that galectin-1 (Gal-1), an immunoregulatory lectin widely expressed in mucosal tissues, contributes to Y...
July 17, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28713822/bone-marrow-mesenchymal-stem-cells-inhibit-the-function-of-dendritic-cells-by-secreting-galectin-1
#15
Yue Zhang, Xia-Hui Ge, Xue-Jun Guo, Si-Bin Guan, Xiao-Ming Li, Wen Gu, Wei-Guo Xu
This study aimed to investigate whether bone marrow-derived mesenchymal stem cells (BM-MSCs) can inhibit function of dendritic cells (DCs) by secreting Galectin-1 (Gal-1). BM-MSCs have been shown to inhibit the maturation and function of DCs, further inhibiting the activation and proliferation of T cells. However, the detailed mechanism remains unknown. In this current study, MSCs and DCs derived from mouse bone marrow were cocultured using Transwell culture plates under different in vitro conditions. The results showed that as the ratio of MSC to DC of the coculture system increased and the coculture time of the two cells prolonged, the concentrations of Gal-1, interleukin- (IL-) 10, and IL-12 in the supernatants were increased and the protein expression of Gal-1 on and within DCs was also enhanced...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28705047/galectin-3-correlates-with-arrhythmogenic-right-ventricular-cardiomyopathy-and-predicts-the-risk-of-ventricular-arrhythmias-in-patients-with-implantable-defibrillators
#16
Fahrettin Oz, Imran Onur, Ali Elitok, Evin Ademoglu, Ibrahim Altun, Ahmet Kaya Bilge, Kamil Adalet
Background Arrhythmogenic right ventricular dysplasia (ARVD) is a heritable disorder characterized by fibro-fatty replacement of right ventricular myocytes, increased risk of ventricular arrhythmias, and sudden cardiac death. Galectin-3 (GAL3) is known to play an important role in a number of fibrotic conditions, including cardiac fibrosis. Many studies have focused on the association between GAL3 levels and cardiac fibrosis in heart failure. However, the role of GAL3 in the pathogenesis of ARVD and ventricular arrhythmias has not yet been evaluated thoroughly...
July 14, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28704475/protective-effect-of-galectin-9-in-murine-model-of-lung-emphysema-involvement-of-neutrophil-migration-and-mmp-9-production
#17
Yuko Horio, Hidenori Ichiyasu, Keisuke Kojima, Naoki Saita, Yohei Migiyama, Toyohisa Iriki, Kazuhiko Fujii, Toshiro Niki, Mitsuomi Hirashima, Hirotsugu Kohrogi
PURPOSE: Chronic obstructive pulmonary disease (COPD) is characterized by irreversible airflow obstruction and pulmonary emphysema. Persistent inflammation and remodeling of the lungs and airways result in reduced lung function and a lower quality of life. Galectin (Gal)-9 plays a crucial role as an immune modulator in various diseases. However, its role in the pathogenesis of pulmonary emphysema is unknown. This study investigates whether Gal-9 is involved in pulmonary inflammation and changes in emphysema in a porcine pancreatic elastase (PPE)-induced emphysema model...
2017: PloS One
https://www.readbyqxmd.com/read/28701735/quantitative-proteomics-reveal-the-anti-tumour-mechanism-of-the-carbohydrate-recognition-domain-of-galectin-3-in-hepatocellular-carcinoma
#18
Mingchao Wang, Fang Tian, Wantao Ying, Xiaohong Qian
Hepatocellular carcinoma (HCC) is a serious threat to human health. The carbohydrate recognition domain of Galectin-3 (Gal3C) has been reported to be an anti-tumour molecule. In this study, we aim to explore effects of Gal3C in HCC and its possible molecular mechanism with quantitative proteomics approach. We found that rGal3C stimulation could inhibit cell viability, migration and invasion of HepG2. After rGal3C stimulating, 190 proteins were differentially expressed. Eighty up-regulated proteins located mainly in extracellular exosome and involved in cell adhesion and metabolism, and 110 down-regulated proteins located in mitochondria and extracellular exosome, and related to processes of metabolism and oxidation-reduction...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28698921/serum-galectin-3-but-not-galectin-1-levels-are-elevated-in-schizophrenia-implications-for-the-role-of-inflammation
#19
Kosuke Kajitani, Kazuyuki Yanagimoto, Yusaku Nakabeppu
BACKGROUND: Previous studies have reported that galectin-3 is involved in inflammatory processes in the central nervous system and that neuroinflammation may play a role in the pathogenesis of schizophrenia. However, the link between schizophrenia and various galectins is unclear. OBJECTIVE: The objective of the present study is to determine whether galectin, a well-known lectin protein that binds to μ-galactoside, is associated with chronic schizophrenia. METHODS: Thirty-six patients with schizophrenia and 36 healthy controls participated in this study...
July 11, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28698206/expression-of-pim-kinases-in-reed-sternberg-cells-fosters-immune-privilege-and-tumor-cell-survival-in-hodgkin-lymphoma
#20
Maciej Szydłowski, Monika Prochorec-Sobieszek, Anna Szumera-Cieckiewicz, Edyta Derezinska, Grazyna Hoser, Danuta Wasilewska, Olga Szymanska-Giemza, Ewa Jabłonska, Emilia Białopiotrowicz, Tomasz Sewastianik, Anna Polak, Wojciech Czardybon, Michał Gałezowski, Renata Windak, Jan Maciej Zaucha, Krzysztof Warzocha, Krzysztof Brzózka, Przemysław Juszczynski
Reed-Sternberg (RS) cells of classical Hodgkin lymphoma (cHL) express multiple immunoregulatory proteins that shape the cHL microenvironment and allow tumor cells to evade immune surveillance. Expression of certain immunoregulatory proteins is modulated by pro-survival transcription factors, such as NFκB and STATs. Since these factors also induce expression of the oncogenic PIM1/2/3 serine/threonine kinases, and since PIMs modulate transcriptional activity of NFκB and STATs, we hypothesized that these kinases support RS cell survival and foster their immune privilege...
July 11, 2017: Blood
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