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Cecilie Aass, Ingrid Norheim, Erik Fink Eriksen, Ellen Charlotte Børnick, Per Medbøe Thorsby, Milaim Pepaj
BACKGROUND: Graves' orbitopathy (GO) is an autoimmune inflammatory ocular complication and one of the most frequent manifestations of Graves' disease (GD). Clinical judgment of GO is subjective sometimes leading to clinical and therapeutic challenges. Better tools to diagnose this severe complication are warranted. PATIENTS AND METHODS: The aim of the present study was to evaluate tear levels of LYZ, LACRT and AZGP1 in GD patients with or without GO, as possible biomarkers for GO...
2017: PloS One
Hyun Sik Na, Jeong-Eun Kwon, Seung Hoon Lee, JooYeon Jhun, Sung-Min Kim, Se-Young Kim, Eun-Kyung Kim, KyungAh Jung, Sung-Hwan Park, Mi-La Cho
Rheumatoid arthritis (RA) is a chronic autoimmune disorder that affects the joints. High-fat diet (HFD) is a risk factor for RA and is related to inflammation but responds minimally to medication. Given the association between HFD and inflammation, it is important to understand the function of inflammation-related T cells in RA with HFD. Collagen-induced arthritis (CIA), a model of RA, was induced in HFD mice by injection of collagen II, and metabolic markers and T cells were analyzed. The metabolic index and IgG assay results were higher in HFD-CIA mice than in nonfat diet-CIA mice...
March 8, 2017: American Journal of Pathology
Julie V Philley, Anbarasu Kannan, David E Griffith, Megan S Devine, Jeana L Benwill, Richard J Wallace, Barbara A Brown-Elliott, Foram Thakkar, Varsha Taskar, James G Fox, Ammar Alqaid, Hernaina Bains, Sudeep Gupta, Santanu Dasgupta
Bronchiectasis Nontuberculous mycobacterium (NTMnb) infection is an emerging health problem in breast cancer (BCa) patients. We measured sera exosome proteome in BCa-NTMnb subjects and controls by Mass Spectroscopy. Extracellular matrix protein 1 (ECM1) was detected exclusively in the circulating exosomes of 82% of the BCa-NTMnb cases. Co-culture of ECM1+ exosomes with normal human mammary epithelial cells induced epithelial to mesenchymal transition accompanied by increased Vimentin/CDH1 expression ratio and Glutamate production...
March 14, 2017: Oncotarget
Rumana Ahmad, Carrie D Nicora, Anil K Shukla, Richard D Smith, Wei-Jun Qian, Alvin Y Liu
BACKGROUND: Prostate cancer (CP) cells differ from their normal counterpart in gene expression. Genes encoding secreted or extracellular proteins with increased expression in CP may serve as potential biomarkers. For their detection and quantification, assays based on monoclonal antibodies are best suited for development in the clinical setting. One approach to obtain antibodies is to use recombinant proteins as immunogen. However, the synthesis of recombinant protein for each identified candidate is time-consuming and expensive...
December 2016: Chinese Clinical Oncology
Hong Tang, Yufeng Wu, Yanru Qin, Haiying Wang, Lili Wang, Xinyuan Guan, Suxia Luo, Qiming Wang
BACKGROUND: As a key regulator in lipid mobilization, AZGP1 has been reported to play a significant role in various cancers. This study was carried out to investigate the role of AZGP1 in the development of esophageal squamous cell carcinoma (ESCC) patients in Northern China. MATERIALS AND METHODS: Through the application of quantitative real-time polymerase chain reaction and immunohistochemical staining, AZGP1 expression in ESCC tissues from Northern China was examined...
2017: OncoTargets and Therapy
Hua Tian, Chao Ge, Fangyu Zhao, Miaoxin Zhu, Lin Zhang, Qi Huo, Hong Li, Taoyang Chen, Haiyang Xie, Ying Cui, Ming Yao, Jinjun Li
Increasing evidence has shown that zinc-alpha2-glycoprotein (AZGP1) is associated with the progression and prognosis of several tumor types. However, little is known regarding the underlying molecular mechanisms of AZGP1 in hepatocellular carcinoma (HCC). In this study, we report that transcription factor Ikaros bound to the AZGP1 promoter and increased its expression in HCC cells. The downregulation of AZGP1 was associated with histone deacetylation in HCC. In addition, the positive feedback regulation via acetylation of histone H4-mediated transactivation of the Ikaros promoter and the Ikaros-mediated transactivation of the acetylation of histone H4 were crucial for regulating AZGP1 expression in HCC cells...
February 1, 2017: Carcinogenesis
Liming Shen, Liping Liao, Cheng Chen, Yi Guo, Dalin Song, Yong Wang, Youjiao Chen, Kaoyuan Zhang, Ming Ying, Shuiming Li, Qiong Liu, Jiazuan Ni
Alzheimer' disease (AD) is the most common form of dementia affecting up to 6% of the population over the age of 65. In order to discover differentially expressed proteins that might serve as potential biomarkers, the serums from AD patients and healthy controls were compared and analyzed using the proteomics approach of isobaric tagging for relative and absolute quantitation (iTRAQ). For the first time, AD biomarkers in serums are investigated in the Han Chinese population using iTRAQ labeled proteomics strategy...
2017: Journal of Alzheimer's Disease: JAD
Xi Liu, Shu Ou, Tao Xu, Shiyong Liu, Jinxian Yuan, Hao Huang, Lu Qin, Hui Yang, Lifen Chen, Xinjie Tan, Yangmei Chen
Epigenetics underlying refractory epilepsy is poorly understood, especially in patients without distinctive genetic alterations. DNA methylation may affect gene expression in epilepsy without affecting DNA sequences. Herein, we analyzed genome-wide DNA methylation and gene expression in brain tissues of 10 patients with refractory epilepsy using methylated DNA immunoprecipitation linked with sequencing and mRNA Sequencing. Diverse distribution of differentially methylated genes was found in X chromosome, while differentially methylated genes appeared rarely in Y chromosome...
December 27, 2016: Oncotarget
Olivia Jerczynski, Nicolas Lacroix-Pépin, Eric Boilard, Ezequiel Calvo, Agathe Bernet, Michel A Fortier, Ida Björkgren, Petra Sipilä, Clémence Belleannée
Dicer1 is an endoribonuclease involved in the biogenesis of functional molecules such as microRNAs (miRNAs) and endogenous small interfering RNAs (endo-siRNAs). These small non-coding RNAs are important regulators of post-transcriptional gene expression and participate in the control of male fertility. With the knowledge that 1) Dicer1-dependent factors are required for proper sperm maturation in the epididymis, and that 2) miRNAs are potent mediators of intercellular communication in most biological systems, we investigated the role of Dicer1-dependent factors produced by the proximal epididymis (initial segment/caput)- including miRNAs- on the regulation of epididymal gene expression in the distal epididymis regions (i...
2016: PloS One
Hannah M Bruce, Phillip D Stricker, Ruta Gupta, Richard R Savdie, Anne-Maree Haynes, Kate L Mahon, Hui-Ming Lin, James G Kench, Lisa G Horvath
BACKGROUND: Positive surgical margins (PSMs) in localized prostate cancer (PC) confer a two- to three-fold increased risk of biochemical relapse (BR). Absent/weak AZGP1 expression and Gleason grade ≥4 at the margin are each independent predictors of BR in patients with PSMs. Our study aimed to determine whether the biomarkers AZGP1 expression and Gleason grade at the site of a PSM are significant independent markers of biochemical and clinical relapse (CR) when modeled together and whether one of these biomarkers may be superior in its capacity to predict outcome...
December 2016: Prostate
James D Brooks, Wei Wei, Jonathan R Pollack, Robert B West, Jun Ho Shin, John B Sunwoo, Sarah J Hawley, Heidi Auman, Lisa F Newcomb, Jeff Simko, Antonio Hurtado-Coll, Dean A Troyer, Peter R Carroll, Martin E Gleave, Daniel W Lin, Peter S Nelson, Ian M Thompson, Lawrence D True, Jesse K McKenney, Ziding Feng, Ladan Fazli
BACKGROUND: Given the uncertainties inherent in clinical measures of prostate cancer aggressiveness, clinically validated tissue biomarkers are needed. We tested whether Alpha-2-Glycoprotein 1, Zinc-Binding (AZGP1) protein levels, measured by immunohistochemistry, and RNA expression, by RNA in situ hybridization (RISH), predict recurrence after radical prostatectomy independent of clinical and pathological parameters. METHODS: AZGP1 IHC and RISH were performed on a large multi-institutional tissue microarray resource including 1,275 men with 5 year median follow-up...
November 2016: Prostate
Ming-Yi Xu, Rong Chen, Jing-Xia Yu, Ting Liu, Ying Qu, Lun-Gen Lu
Zinc-α2-glycoprotein 1 (AZGP1) has been found to play important roles in TGF-β1 induced epithelial-to-mesenchymal transition (EMT). However, the mechanisms of AZGP1 inhibiting EMT and its therapeutic potential remain unknown in hepatocellular carcinoma (HCC). AZGP1, TGF-β1 or ERK2 expressions were examined in liver tissues of HCC patients and rat model. The effect of AZGP1 on EMT and crosstalking of TGFβ1-ERK2 signaling in human hepatic cancer cell was tested in vitro and in vivo. Hepatic expression of AZGP1 was nearly deficient in HCC patients and rats...
May 1, 2016: Cancer Letters
Rakesh Bam, Sharmin Khan, Wen Ling, Shelton S Randal, Xin Li, Bart Barlogie, Ricky Edmondson, Shmuel Yaccoby
BACKGROUND: Human primary myeloma (MM) cells do not survive in culture; current in vitro and in vivo systems for growing these cells are limited to coculture with a specific bone marrow (BM) cell type or growth in an immunodeficient animal model. The purpose of the study is to establish an interactive healthy donor whole BM based culture system capable of maintaining prolonged survival of primary MM cells. This normal BM (NBM) coculture system is different from using autologous BM that is already affected by the disease...
November 6, 2015: BMC Cancer
Christoph Burdelski, Sandra Kleinhans, Martina Kluth, Claudia Hube-Magg, Sarah Minner, Christina Koop, Markus Graefen, Hans Heinzer, Maria Christina Tsourlakis, Waldemar Wilczak, Andreas Marx, Guido Sauter, Corinna Wittmer, Hartwig Huland, Ronald Simon, Thorsten Schlomm, Stefan Steurer
Zinc-alpha 2-glycoprotein (AZGP1) is involved in lipid metabolism and was suggested as a candidate prognostic biomarker in prostate cancer. To evaluate the clinical impact and relationship with key genomic alterations in prostate cancer, AZGP1 expression was analyzed by immunohistochemistry on a tissue microarray containing 11,152 prostate cancers. Data on ERG status and PTEN, 3p13, 5q21 and 6q15 deletions were available from earlier studies. AZGP1 expression was strong in benign prostatic glands but absent in 38...
March 1, 2016: International Journal of Cancer. Journal International du Cancer
Ligong Chang, Peng Wu, Ravichandran Senthilkumar, Xiaoqiang Tian, Hui Liu, Xia Shen, Zijian Tao, Peilin Huang
PURPOSE: Altered cellular metabolism has received increased attention as an important hallmark of cancer. Activation of FASN has been found to be involved in many human tumors. Despite extensive research in FASN function on cancer, the underlying mechanism is not entirely understood yet. METHODS: Cerulenin was used to suppress the FASN expression in human colorectal cancer cell lines (HT29 and LoVo). Expression of PI3K, Akt, p-Akt, mTOR, p-mTOR, FASN, and AZGP1 was measured using western blotting and qPCR...
January 2016: Journal of Cancer Research and Clinical Oncology
Katarina Davalieva, Ivana Maleva Kostovska, Sanja Kiprijanovska, Katerina Markoska, Katerina Kubelka-Sabit, Vanja Filipovski, Sotir Stavridis, Oliver Stankov, Selim Komina, Gordana Petrusevska, Momir Polenakovic
BACKGROUND: The key to a more effective diagnosis, prognosis, and therapeutic management of prostate cancer (PCa) could lie in the direct analysis of cancer tissue. In this study, by comparative proteomics analysis of PCa and benign prostate hyperplasia (BPH) tissues we attempted to elucidate the proteins and regulatory pathways involved in this disease. METHODS: The samples used in this study were fresh surgical tissues with clinically and histologically confirmed PCa (n = 19) and BPH (n = 33)...
October 2015: Prostate
Maéva Langouët, Karine Siquier-Pernet, Sylvia Sanquer, Christine Bole-Feysot, Patrick Nitschke, Nathalie Boddaert, Arnold Munnich, Grazia M S Mancini, Robert Barouki, Jeanne Amiel, Laurence Colleaux
We investigated two siblings, born to consanguineous parents, with neurological features reminiscent of adaptor protein complex 4 (AP4) deficiency, an autosomal recessive neurodevelopmental disorder characterized by neonatal hypotonia that progresses to hypertonia and spasticity, severe intellectual disability speech delay, microcephaly, and growth retardation. Yet, both children also presented with early onset obesity. Whole-exome sequencing identified two homozygous substitutions in two genes 170 kb apart on 7q22...
May 2015: Molecular Genetics & Genomic Medicine
Henrik J Johansson, Betzabe C Sanchez, Jenny Forshed, Olle Stål, Helena Fohlin, Rolf Lewensohn, Per Hall, Jonas Bergh, Janne Lehtiö, Barbro K Linderholm
BACKGROUND: Despite the success of tamoxifen since its introduction, about one-third of patients with estrogen (ER) and/or progesterone receptor (PgR) - positive breast cancer (BC) do not benefit from therapy. Here, we aim to identify molecular mechanisms and protein biomarkers involved in tamoxifen resistance. RESULTS: Using iTRAQ and Immobilized pH gradient-isoelectric focusing (IPG-IEF) mass spectrometry based proteomics we compared tumors from 12 patients with early relapses (<2 years) and 12 responsive to therapy (relapse-free > 7 years)...
2015: Clinical Proteomics
Inga Sörensen-Zender, Sagar Bhayana, Nathan Susnik, Veronique Rolli, Sandor Batkai, Arpita Baisantry, Siamak Bahram, Payel Sen, Beina Teng, Robert Lindner, Mario Schiffer, Thomas Thum, Anette Melk, Hermann Haller, Roland Schmitt
Zinc-α2-glycoprotein (AZGP1) is a secreted protein synthesized by epithelial cells and adipocytes that has roles in lipid metabolism, cell cycling, and cancer progression. Our previous findings in AKI indicated a new role for AZGP1 in the regulation of fibrosis, which is a unifying feature of CKD. Using two models of chronic kidney injury, we now show that mice with genetic AZGP1 deletion develop significantly more kidney fibrosis. This destructive phenotype was rescued by injection of recombinant AZGP1. Exposure of AZGP1-deficient mice to cardiac stress by thoracic aortic constriction revealed that antifibrotic effects were not restricted to the kidney but were cardioprotective...
November 2015: Journal of the American Society of Nephrology: JASN
Bo Kong, Philipp Bruns, Susanne Raulefs, Simon Rieder, Laura Paul, Olivia Prazeresda Costa, Thorsten Buch, Fabian J Theis, Christoph W Michalski, Jörg Kleeff
INTRODUCTION: Surgical site infections (SSI) represent a significant cause of morbidity in abdominal surgery. The objective of this study was to determine the gene expression signature in subcutaneous tissues in relation to SSI. METHODS: To determine differences in gene expression, microarray analysis were performed from bulk tissue mRNA of subcutaneous tissues prospectively collected in 92 patients during open abdominal surgery. 10 patients (11%) developed incisional (superficial and deep) SSI...
February 2015: International Journal of Surgery
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