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AnxA1

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https://www.readbyqxmd.com/read/29333087/antioxydation-and-cell-migration-genes-are-identified-as-potential-therapeutic-targets-in-basal-like-and-brca1-mutated-breast-cancer-cell-lines
#1
Maud Privat, Justine Rudewicz, Nicolas Sonnier, Christelle Tamisier, Flora Ponelle-Chachuat, Yves-Jean Bignon
Basal-like breast cancers are among the most aggressive cancers and effective targeted therapies are still missing. In order to identify new therapeutic targets, we performed Methyl-Seq and RNA-Seq of 10 breast cancer cell lines with different phenotypes. We confirmed that breast cancer subtypes cluster the RNA-Seq data but not the Methyl-Seq data. Basal-like tumor hypermethylated phenotype was not confirmed in our study but RNA-Seq analysis allowed to identify 77 genes significantly overexpressed in basal-like breast cancer cell lines...
2018: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29301525/annexin-a1-in-plasma-from-patients-with-bronchial-asthma-its-association-with-lung-function
#2
Sun-Hye Lee, Pureun-Haneul Lee, Byeong-Gon Kim, Hyun-Jeong Seo, Ae-Rin Baek, Jong-Sook Park, June-Hyuk Lee, Sung-Woo Park, Do-Jin Kim, Choon-Sik Park, An-Soo Jang
BACKGROUND: Annexin-A1 (ANXA1) is a glucocorticoid-induced protein with multiple actions in the regulation of inflammatory cell activation. The anti-inflammatory protein ANXA1 and its N-formyl peptide receptor 2 (FPR2) have protective effects on organ fibrosis. However, the exact role of ANXA1 in asthma remains to be determined. The aim of this study was to identify the role of ANXA1 in bronchial asthma. METHODS: In mice sensitized and challenged with ovalbumin (OVA-OVA mice) and mice sensitized with saline and challenged with air (control mice), we investigated the potential links between ANXA1 levels and bronchial asthma using ELISA, immunoblotting, and immunohistochemical staining...
January 4, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29286311/comparative-proteomics-analysis-of-urine-reveals-down-regulation-of-acute-phase-response-signaling-and-lxr-rxr-activation-pathways-in-prostate-cancer
#3
Katarina Davalieva, Sanja Kiprijanovska, Ivana Maleva Kostovska, Sotir Stavridis, Oliver Stankov, Selim Komina, Gordana Petrusevska, Momir Polenakovic
Detecting prostate cancer (PCa) using non-invasive diagnostic markers still remains a challenge. The aim of this study was the identification of urine proteins that are sufficiently sensitive and specific to detect PCa in the early stages. Comparative proteomics profiling of urine from patients with PCa, benign prostate hyperplasia, bladder cancer, and renal cancer, coupled with bioinformatics analysis, were performed. Statistically significant difference in abundance showed 20 and 85 proteins in the 2-D DIGE/MS and label-free LC-MS/MS experiments, respectively...
December 29, 2017: Proteomes
https://www.readbyqxmd.com/read/29233185/phosphoproteomics-reveals-network-rewiring-to-a-pro-adhesion-state-in-annexin-1-deficient-mammary-epithelial-cells
#4
Asfa Alli-Shaik, Sheena Wee, Lina H K Lim, Jayantha Gunaratne
BACKGROUND: Annexin-1 (ANXA1) plays pivotal roles in regulating various physiological processes including inflammation, proliferation and apoptosis, and deregulation of ANXA1 functions has been associated with tumorigenesis and metastasis events in several types of cancer. Though ANXA1 levels correlate with breast cancer disease status and outcome, its distinct functional involvement in breast cancer initiation and progression remains unclear. We hypothesized that ANXA1-responsive kinase signaling alteration and associated phosphorylation signaling underlie early events in breast cancer initiation events and hence profiled ANXA1-dependent phosphorylation changes in mammary gland epithelial cells...
December 12, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/29213013/annexin-a1-is-a-novel-target-gene-of-gonadotropin-releasing-hormone-in-l%C3%AE-t2-gonadotrope-cells
#5
Numfa Fungbun, Tungmahasuk Doungrut, Ryota Terashima, Shiro Kurusu, Mitsumori Kawaminami
Gonadotropin-releasing hormone (GnRH) regulates gonadotropin secretion. We previously demonstrated that the expression of annexin A5 (ANXA5) is stimulated by GnRH in gonadotropes and has a significant role in gonadotropin secretion. It is therefore of interest to know whether other members of the ANXA family, which consists of twelve structurally related members, are also regulated by GnRH. Therefore, the expression of all annexins was examined in LβT2gonadotrope cells. ANXA4, A5, A6, A7, and A11 were detected in LβT2cells...
December 6, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29201239/anxa1-affects-cell-proliferation-invasion-and-epithelial-mesenchymal-transition-of-oral-squamous-cell-carcinoma
#6
Ying-Ming Wan, Jing Tian, Ling Qi, Li-Mei Liu, Ning Xu
Annexin A1 (ANXA1) acts either as a tumor suppressor or an oncogene in different tumor types. Several clinical studies revealed that the expression of ANXA1 is associated with the pathologic differentiation grade in oral squamous cell carcinoma (OSCC) patients. However, the direct function of ANXA1 in OSCC progression has remained to be fully clarified. The present study was designed to investigate the role of ANXA1 in OSCC cell proliferation and invasion in vitro. Furthermore, whether ANXA1 was involved in transforming growth factor β1 (TGFβ1)/epidermal growth factor (EGF)-induced epithelial-mesenchymal transition (EMT) in OSCC was explored...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29187872/tumoral-anxa1-is-a-predictive-marker-for-sunitinib-treatment-of-renal-cancer-patients
#7
Marjut Niinivirta, Gunilla Enblad, Per-Henrik Edqvist, Fredrik Pontén, Anca Dragomir, Gustav J Ullenhag
Background and aims: There is no established predictive marker for the treatment of renal cancer. Metastatic renal cell carcinoma (mRCC) patients are often treated with sunitinib, a tyrosine kinase inhibitor. Sunitinibs anti-cancer effect is at least partly mediated through interfering with angiogenesis. Our aim with the current study was to assess annexin A1 (ANXA1), which stimulates angiogenesis, as a predictive marker for sunitinib therapy in mRCC patients. Since previous studies have indicated a predictive potential for cubilin, we also investigated the predictivity of ANXA1 combined with cubilin...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29163774/integrative-analysis-of-novel-hypomethylation-and-gene-expression-signatures-in-glioblastomas
#8
Anan Yin, Amandine Etcheverry, Yalong He, Marc Aubry, Jill Barnholtz-Sloan, Luhua Zhang, Xinggang Mao, Weijun Chen, Bolin Liu, Wei Zhang, Jean Mosser, Xiang Zhang
Molecular and clinical heterogeneity critically hinders better treatment outcome for glioblastomas (GBMs); integrative analysis of genomic and epigenomic data may provide useful information for improving personalized medicine. By applying training-validation approach, we identified a novel hypomethylation signature comprising of three CpGs at non-CpG island (CGI) open sea regions for GBMs. The hypomethylation signature consistently predicted poor prognosis of GBMs in a series of discovery and validation datasets...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29115663/endogenous-annexin-a1-anxa1-modulates-early-phase-gestation-and-offspring-sex-ratio-skewing
#9
Cristina Bichels Hebeda, Isabel Daufenback Machado, Isadora Reif-Silva, Jusciele Brogin Moreli, Sonia Maria Oliani, Suchita Nadkarni, Mauro Perretti, Estela Bevilacqua, Sandra H P Farsky
Annexin A1 (AnxA1) is a glucocorticoid-regulated anti-inflammatory protein secreted by phagocytes and other specialised cells. In the endocrine system, AnxA1 controls secretion of steroid hormones and it is abundantly expressed in the testis, ovaries, placenta and seminal fluid, yet its potential modulation of fertility has not been described. Here we observed that AnxA1 knockout (KO) mice delivered a higher number of pups, with a higher percentage of female offsprings. This profile was not dependent on the male features, as sperm from KO male mice did not present functional alterations, and had an equal proportion of Y and X chromosomes, comparable to wild type (WT) male mice...
November 8, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29101297/mesenchymal-stromal-cells-improve-human-islet-function-through-released-products-and-extracellular-matrix
#10
Ahmed A Arzouni, Andreia Vargas-Seymour, Chloe L Rackham, Paramjeet Dhadda, Guo-Cai Huang, Pratik Choudhary, Nance Nardi, Aileen J F King, Peter M Jones
Aims: The aims of the current study were (i) to determine whether the reported beneficial effects of mesenchymal stromal cells (MSCs) on mouse islet function extend to clinically relevant human tissues (islets and MSCs), enabling translation into improved protocols for clinical human islet transplantation; and (ii) to identify possible mechanisms through which human MSCs influence human islet function. Materials and methods: Human islets were co-cultured with human adipose tissue-derived MSCs (hASCs) or pretreated with its products - extracellular matrix (ECM) and annexin A1 (ANXA1)...
November 3, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29091952/evaluation-of-mirna-196a2-and-apoptosis-related-target-genes-anxa1-dffa-and-pdcd4-expression-in-gastrointestinal-cancer-patients-a-pilot-study
#11
Manal S Fawzy, Eman A Toraih, Afaf Ibrahiem, Hala Abdeldayem, Amany O Mohamed, Mohamed M Abdel-Daim
Previous reports have suggested the significant association of miRNAs aberrant expression with tumor initiation, progression and metastasis in cancer, including gastrointestinal (GI) cancers. The current preliminary study aimed to evaluate the relative expression levels of miR-196a2 and three of its selected apoptosis-related targets; ANXA1, DFFA and PDCD4 in a sample of GI cancer patients. Quantitative real-time PCR for miR-196a2 and its selected mRNA targets, as well as immunohistochemical assay for annexin A1 protein expression were detected in 58 tissues with different GI cancer samples...
2017: PloS One
https://www.readbyqxmd.com/read/29065150/genetic-modifiers-of-muscular-dystrophy-act-on-sarcolemmal-resealing-and-recovery-from-injury
#12
Mattia Quattrocelli, Joanna Capote, Joyce C Ohiri, James L Warner, Andy H Vo, Judy U Earley, Michele Hadhazy, Alexis R Demonbreun, Melissa J Spencer, Elizabeth M McNally
Genetic disruption of the dystrophin complex produces muscular dystrophy characterized by a fragile muscle plasma membrane leading to excessive muscle degeneration. Two genetic modifiers of Duchenne Muscular Dystrophy implicate the transforming growth factor β (TGFβ) pathway, osteopontin encoded by the SPP1 gene and latent TGFβ binding protein 4 (LTBP4). We now evaluated the functional effect of these modifiers in the context of muscle injury and repair to elucidate their mechanisms of action. We found that excess osteopontin exacerbated sarcolemmal injury, and correspondingly, that loss of osteopontin reduced injury extent both in isolated myofibers and in muscle in vivo...
October 2017: PLoS Genetics
https://www.readbyqxmd.com/read/29057162/augmenting-endogenous-levels-of-retinal-annexin-a1-suppresses-uveitis-in-mice
#13
Peter J Gardner, Samia Yazid, Joana Ribeiro, Robin R Ali, Andrew D Dick
PURPOSE: The purpose of this study was to examine the expression of the anti-inflammatory protein Annexin A1 (AnxA1) in mice and human retinae during uveitis and to determine whether local administration of human recombinant AnxA1 (hrAnxA1) can suppress uveitis in mice. METHODS: Retinal sections from mice (healthy normal and uveitis) and postmortem human (no history of eye disease (n = 5) and uveitis (n = 7)) were stained for AnxA1 expression and imaged by immunofluorescence microscopy...
September 2017: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/29030970/annexin-a1-annexin-a2-and-dyrk-1b-are-upregulated-during-gas1-induced-cell-cycle-arrest
#14
G Pérez-Sánchez, A Jiménez, M A Quezada-Ramírez, E Estudillo, A E Ayala-Sarmiento, G Mendoza-Hernández, Justino Hernández-Soto, F C Hernández-Hernández, F E Cázares-Raga, J Segovia
GAS1 is a pleiotropic protein that has been investigated because of its ability to induce cell proliferation, cell arrest, and apoptosis, depending on the cellular or the physiological context in which it is expressed. At this point, we have information about the molecular mechanisms by which GAS1 induces proliferation and apoptosis; but very few studies have been focused on elucidating the mechanisms by which GAS1 induces cell arrest. With the aim of expanding our knowledge on this subject, we first focused our research on finding proteins that were preferentially expressed in cells arrested by serum deprivation...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29021293/ppar%C3%AE-ligand-induced-annexin-a1-expression-determines-chemotherapy-response-via-deubiquitination-of-death-domain-kinase-rip-in-triple-negative-breast-cancers
#15
Luxi Chen, Yi Yuan, Shreya Kar, Madhu M Kanchi, Suruchi Arora, Ji E Kim, Pei F Koh, Einas Yousef, Ramar P Samy, Muthu K Shanmugam, Tuan Z Tan, Sung W Shin, Frank Arfuso, Han M Shen, Henry Yang, Boon C Goh, Joo I Park, Louis Gaboury, Peter E Lobie, Gautam Sethi, Lina H K Lim, Alan P Kumar
Metastatic breast cancer is still incurable so far; new specifically targeted and more effective therapies for triple-negative breast cancer (TNBC) are required in the clinic. In this study, our clinical data have established that basal and claudin-low subtypes of breast cancer (TNBC types) express significantly higher levels of Annexin A1 (ANXA1) with poor survival outcomes. Using human cancer cell lines that model the TNBC subtype, we observed a strong positive correlation between expression of ANXA1 and PPARγ...
August 15, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28912778/neuroprotective-effects-of-annexin-a1-tripeptide-after-deep-hypothermic-circulatory-arrest-in-rats
#16
Zhiquan Zhang, Qing Ma, Bijal Shah, G Burkhard Mackensen, Donald C Lo, Joseph P Mathew, Mihai V Podgoreanu, Niccolò Terrando
Resolution agonists, including lipid mediators and peptides such as annexin A1 (ANXA1), are providing novel approaches to treat inflammatory conditions. Surgical trauma exerts a significant burden on the immune system that can affect and impair multiple organs. Perioperative cerebral injury after cardiac surgery is associated with significant adverse neurological outcomes such as delirium and postoperative cognitive dysfunction. Using a clinically relevant rat model of cardiopulmonary bypass (CPB) with deep hypothermic circulatory arrest (DHCA), we tested the pro-resolving effects of a novel bioactive ANXA1 tripeptide (ANXA1sp) on neuroinflammation and cognition...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28901452/screening-critical-genes-associated-with-malignant-glioma-using-bioinformatics-analysis
#17
Yonggang Xu, Jie Wang, Yanbin Xu, Hong Xiao, Jianhua Li, Zhi Wang
Malignant gliomas are high‑grade gliomas, which are derived from glial cells in the spine or brain. To examine the mechanisms underlying malignant gliomas in the present study, the expression profile of GSE54004, which included 12 grade II astrocytomas, 33 grade III astrocytomas and 98 grade IV astrocytomas, was downloaded from the Gene Expression Omnibus. Using the Limma package in R, the differentially expressed genes (DEGs) in grade III, vs. grade II astrocytoma, grade IV, vs. grade II astrocytoma, and grade IV, vs...
November 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28864021/the-core-transcriptome-of-mammalian-placentas-and-the-divergence-of-expression-with-placental-shape
#18
Don L Armstrong, Michael R McGowen, Amy Weckle, Priyadarshini Pantham, Jason Caravas, Dalen Agnew, Kurt Benirschke, Sue Savage-Rumbaugh, Eviatar Nevo, Chong J Kim, Günter P Wagner, Roberto Romero, Derek E Wildman
INTRODUCTION: The placenta is arguably the most anatomically variable organ in mammals even though its primary function is conserved. METHOD: Using RNA-Seq, we measured the expression profiles of 55 term placentas of 14 species of mammals representing all major eutherian superordinal clades and marsupials, and compared the evolution of expression across clades. RESULTS: We identified a set of 115 core genes which is expressed (FPKM ≥10) in all eutherian placentas, including genes with immune-modulating properties (ANXA2, ANXA1, S100A11, S100A10, and LGALS1), cell-cell interactions (LAMC1, LUM, and LGALS1), invasion (GRB2 and RALB) and syncytialization (ANXA5 and ANXA1)...
September 2017: Placenta
https://www.readbyqxmd.com/read/28811325/ppar%C3%AE-ligand-induced-annexin-a1-expression-determines-chemotherapy-response-via-deubiquitination-of-death-domain-kinase-rip-in-triple-negative-breast-cancers
#19
Luxi Chen, Yi Yuan, Shreya Kar, Madhu M Kanchi, Suruchi Arora, Ji E Kim, Pei F Koh, Einas Yousef, Ramar P Samy, Muthu K Shanmugam, Tuan Z Tan, Sung W Shin, Frank Arfuso, Han M Shen, Henry Yang, Boon C Goh, Joo I Park, Louis Gaboury, Peter E Lobie, Gautam Sethi, Lina Hk Lim, Alan P Kumar
Metastatic breast cancer is still remain incurable so far, new specifically targeted and more effective therapies for triple negative breast cancer (TNBC) are required in the clinic. In this study, our clinical data has established that basal and claudin-low subtypes of breast cancer (TNBC types) express significantly higher levels of Annexin A1 (ANXA1) with poor survival outcomes. Using human cancer cell lines which model the TNBC subtype, we observed a strong positive correlation between expression of ANXA1 and Peroxisome Proliferator-Activated Receptor gamma (PPARγ)...
August 15, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28809781/ac2-26-an-annexin-a1-peptide-attenuates-ischemia-reperfusion-induced-acute-lung-injury
#20
Wen-I Liao, Shu-Yu Wu, Geng-Chin Wu, Hsin-Ping Pao, Shih-En Tang, Kun-Lun Huang, Shi-Jye Chu
Annexin A1 (AnxA1) is an endogenous protein that modulates anti-inflammatory processes, and its therapeutic potential has been reported in a range of inflammatory diseases. The effect of AnxA1 on ischemia-reperfusion (IR)-induced lung injury has not been examined. In this study, isolated, perfused rat lungs were subjected to IR lung injury induced by ischemia for 40 min, followed by reperfusion for 60 min. The rat lungs were randomly treated with vehicle (phosphate-buffered saline), and Ac2-26 (an active N-terminal peptide of AnxA1) with or without an N-formyl peptide receptor (FPR) antagonist N-Boc-Phe-Leu-Phe-Leu-Phe (Boc2)...
August 15, 2017: International Journal of Molecular Sciences
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