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Ritsuko Koga, Marie Kubota, Takao Hashiguchi, Yusuke Yanagi, Shinji Ohno
Annexins are a family of structurally related proteins that bind negatively charged membrane phospholipids in a Ca2+ -dependent manner. Annexin A2 (AnxA2), a member of the family, has been implicated in a variety of cellular functions including the organization of membrane domains, vesicular trafficking and cell-cell adhesion. AnxA2 generally forms the heterotetrameric complex with a small Ca2+ -binding protein S100A10. Measles virus (MV), a member of the family Paramyxoviridae , is an enveloped virus with a nonsegmented negative strand RNA genome...
February 28, 2018: Journal of Virology
Bao-Long Pan, Zong-Wu Tong, Ling Wu, Li Pan, Jun-E Li, You-Guang Huang, Shu-De Li, Shi-Xun Du, Xu-Dong Li
BACKGROUND/AIMS: This study aimed to investigate the mechanism by which microRNA-206 (miR-206) affects the proliferation, apoptosis, migration and invasion of osteosarcoma (OS) cells by targeting ANXA2 via the AKT signaling pathway. METHODS: A total of 132 OS tissues and 120 osteochondroma tissues were examined in this study. The targeting relationship between miR-206 and ANXA2 was verified with a dual-luciferase reporter assay. The miR-206 expression and ANXA2, AKT, PARP, FASN, Survivin, Bax, Mcl-1 and Bcl-1 mRNA and protein expression in the above two groups were examined by qRT-PCR and western blotting...
February 15, 2018: Cellular Physiology and Biochemistry
Tainã Figueiredo Cardoso, Raquel Quintanilla, Anna Castelló, Rayner González-Prendes, Marcel Amills, Ángela Cánovas
BACKGROUND: The identification of genes differentially expressed in the skeletal muscle of pigs displaying distinct growth and fatness profiles might contribute to identify the genetic factors that influence the phenotypic variation of such traits. So far, the majority of porcine transcriptomic studies have investigated differences in gene expression at a global scale rather than at the mRNA isoform level. In the current work, we have investigated the differential expression of mRNA isoforms in the gluteus medius (GM) muscle of 52 Duroc HIGH (increased backfat thickness, intramuscular fat and saturated and monounsaturated fatty acids contents) and LOW pigs (opposite phenotype, with an increased polyunsaturated fatty acids content)...
February 14, 2018: BMC Genomics
Lee D Gibbs, Jamboor K Vishwanatha
Objective: Previous studies have shown Annexin A1 (AnxA1) and Annexin A2 (AnxA2) association with the aggressive behavior of Triple Negative Breast Cancer (TNBC). Our aim was to determine the correlation of AnxA1 and AnxA2 with poor prognosis of TNBC patients. Methods: We analyzed the gene expression of the human annexin family from microarray datasets and correlated with clinical outcomes to determine their ability to predict prognosis. Results: Within a mean follow-up time of 57...
January 5, 2018: Oncotarget
M K Abo-Ismail, N Lansink, E Akanno, B Karisa, J J Crowley, S Moore, E Bork, P Stothard, J A Basarab, G Plastow
The objective of this study was to develop and validate a customized cost-effective single nucleotide polymorphism (SNP) panel for genetic improvement of feed efficiency in beef cattle. The SNPs identified in previous association studies and through extensive analysis of candidate genomic regions and genes, were screened for their functional impact and allele frequency in Angus and Hereford breeds used as validation candidates for the panel. Association analyses were performed on genotypes of 159 SNPs from new samples of Angus (n = 160), Hereford (n = 329) and Angus-Hereford crossbred (n = 382) cattle using allele substitution and genotypic models in ASReml...
January 30, 2018: Journal of Animal Science
Roaa Hani Fairoozy, Jon White, Jackie Cooper, Lasse Folkersen, Claudia Giambartolomei, Anastasia Kalea, Thomas Grewal, Steve Humphries
No abstract text is available yet for this article.
August 2017: Atherosclerosis
Sascha Kopp, Jayashree Sahana, Tawhidul Islam, Asbjørn Graver Petersen, Johann Bauer, Thomas J Corydon, Herbert Schulz, Kathrin Saar, Norbert Huebner, Lasse Slumstrup, Stefan Riwaldt, Markus Wehland, Manfred Infanger, Ronald Luetzenberg, Daniela Grimm
Human MCF-7 breast cancer cells were exposed to a Random Positioning Machine (RPM). After 24 hours (h) the cells grew either adherently within a monolayer (AD) or within multicellular spheroids (MCS). AD and MCS populations were separately harvested, their cellular differences were determined performing qPCR on genes, which were differently expressed in AD and MCS cells. Gene array technology was applied to detect RPM-sensitive genes in MCF-7 cells after 24 h. Furthermore, the capability to form multicellular spheroids in vitro was compared with the intracellular distribution of NF-kappaB (NFκB) p65...
January 17, 2018: Scientific Reports
Guanghua Liu, Shi Feng, Lin Jia, Chunying Wang, Yan Fu, Yongzhang Luo
As a rate-limiting step in metastasis, metastatic colonization requires survival signals from supportive stroma. However, the mechanisms driving this process are incompletely understood. Here, we showed that the proliferation of B16F10 cells was promoted when cocultured with lung fibroblasts. Meanwhile, co-injection of B16F10 tumor cells with mouse lung fibroblasts significantly increased lung metastasis. Based on GEO database, we identified stearoyl-CoA desaturase 1 (SCD1) as a novel factor promoting metastatic colonization...
January 12, 2018: Oncogene
Shuang Li, Hecun Zou, Ying-Ying Shao, Ying Mei, Yu Cheng, Dong-Li Hu, Zhi-Rong Tan, Hong-Hao Zhou
Diffuse gliomas is a kind of common malignant primary brain tumor. Pseudogenes have multilayered biological function in the progression of human cancers. In this study, Differentially Expressed Pseudogenes (DEPs) between glioblastomas and non-tumor controls were found by bioinformatics analysis, of which the annexin A2 pseudogenes (ANXA2P1, ANXA2P2 and ANXA2P3) were significantly up-regulated, along with the parent gene annexin A2 (ANXA2). Among four glioblastoma subtypes, ANXA2P1 and ANXA2P2 were preferentially expressed in mesenchymal subtype and less expressed in proneural subtype...
December 5, 2017: Oncotarget
Adrian G Murphy, Kelly Foley, Agnieszka A Rucki, Tao Xia, Elizabeth M Jaffee, Chiung-Yu Huang, Lei Zheng
Pancreatic ductal adenocarcinoma (PDA) is renowned for high rates of metastasis and poor survival. Its notoriously dense fibrotic stroma contributes to chemoresistance. Stromal signaling in PDA is recognized for its multiple roles in regulating tumor invasion and metastasis. However, no stromal biomarker which can predict survival in PDA exists. Annexin A2 (AnxA2) was formerly identified as a metastasis-associated protein in PDA and tumoral overexpression is associated with poor survival. In this study, we examined AnxA2 expression in the tumor microenvironment in a preclinical model of PDA which suggests its role in tumor colonization...
December 5, 2017: Oncotarget
Sara M Ø Solbak, Eldar Abdurakhmanov, Anni Vedeler, U Helena Danielson
BACKGROUND: Direct acting antivirals (DAAs) provide efficient hepatitis C virus (HCV) therapy and clearance for a majority of patients, but are not available or effective for all patients. They risk developing HCV-induced hepatocellular carcinoma (HCC), for which the mechanism remains obscure and therapy is missing. Annexin A2 (AnxA2) has been reported to co-precipitate with the non-structural (NS) HCV proteins NS5B and NS3/NS4A, indicating a role in HCC tumorigenesis and effect on DAA therapy...
December 11, 2017: Virology Journal
Saishruti Kohli, Abhishek Bhardwaj, Richa Kumari, Sanjeev Das
UBE3A is an E3 ubiquitin ligase well known for its role in the proteasomal degradation of p53 in human papillomavirus (HPV)-associated cancers. Here we report that UBE3A ubiquitylates and triggers degradation of the tumor-suppressive sirtuin SIRT6 in hepatocellular carcinoma. UBE3A ubiquitylated the highly conserved Lys160 residue on SIRT6. FOXO1-mediated transcriptional repression of UBE3A was sufficient to stabilize SIRT6 and to epigenetically repress ANXA2 , a key mediator of UBE3A oncogenic function. Thus, UBE3A-mediated SIRT6 degradation promoted the proliferative capacity, migration potential, and invasiveness of cells...
February 1, 2018: Cancer Research
Wenli Yang, Fang C Mei, Xiaodong Cheng
Annexins, a family of highly conserved calcium- and phospholipid-binding proteins, play important roles in a wide range of physiologic functions. Among the 12 known annexins in humans, annexin A2 (AnxA2) is one of the most extensively studied and has been implicated in various human diseases. AnxA2 can exist as a monomer or a heterotetrameric complex with S100A10 (P11) and plays a critical role in many cellular processes, including exocytosis, endocytosis, and membrane organization. At the endothelial cell surface, the (AnxA2·P11)2 tetramer-acting as a coreceptor for plasminogen and tissue plasminogen activator (tPA)-accelerates tPA-dependent activation of the fibrinolytic protease, plasmin, the enzyme that is responsible for thrombus dissolution and the degradation of fibrin...
January 5, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
David S Lamb, Sven Sondhauss, Jonathan C Dunne, Lisa Woods, Brett Delahunt, Peter Ferguson, Judith Murray, John N Nacey, James W Denham, T William Jordan
BACKGROUND/AIM: We previously reported the use of mass spectrometry and western blotting to identify proteins from tumour regions of formalin-fixed paraffin-embedded biopsies from 16 men who presented with apparently localized prostate cancer, and found that annexin A2 (ANXA2) appeared to be a better predictor of subsequent biochemical failure than prostate-specific antigen (PSA). MATERIALS AND METHODS: In this follow-up study, ANXA2 and PSA were measured using western blotting of proteins extracted from biopsies from 37 men from a subsequent prostate cancer trial...
December 2017: Anticancer Research
Kui Wang, Tao Zhang, Yunlong Lei, Xuefeng Li, Jingwen Jiang, Jiang Lan, Yuan Liu, Haining Chen, Wei Gao, Na Xie, Qiang Chen, Xiaofeng Zhu, Xiang Liu, Ke Xie, Yong Peng, Edouard C Nice, Min Wu, Canhua Huang, Yuquan Wei
Bleomycin is a clinically potent anticancer drug used for the treatment of germ-cell tumors, lymphomas and squamous-cell carcinomas. Unfortunately, the therapeutic efficacy of bleomycin is severely hampered by the development of pulmonary fibrosis. However, the mechanisms underlying bleomycin-induced pulmonary fibrosis, particularly the molecular target of bleomycin, remains unknown. Here, using a chemical proteomics approach, we identify ANXA2 (annexin A2) as a direct binding target of bleomycin. The interaction of bleomycin with ANXA2 was corroborated both in vitro and in vivo...
January 29, 2018: Autophagy
Ping Shao, Deguang Sun, Liming Wang, Rong Fan, Zhenming Gao
Hepatocellular carcinoma (HCC) that is graded histologically as poorly differentiated has a high recurrence, metastasis and poor prognosis. We sought to determine the regulatory mechanisms of HCC tumorigenesis and to identify molecules closely related to poorly differentiated HCC. High-throughput sequencing was used to construct microRNA (miRNA) and mRNA expression profiles for poorly differentiated HCC tissues and adjacent tissues. Network analysis was carried out to study miRNA-target interactions. Integrating the miRNA and mRNA data of HCC with four tumor grades from The Cancer Genome Atlas (TCGA) portal enabled the identification of potential closely related molecules for early diagnosis of poorly differentiated HCC...
November 2017: FEBS Open Bio
Hojjat-Allah Abbaszadeh, Ali Asghar Peyvandi, Yousef Sadeghi, Akram Safaei, Mona Zamanian-Azodi, Maryam Sadat Khoramgah, Mostafa Rezaei-Tavirani
Introduction: Periodontitis is a set of inflammatory disorders characterized by periodontal attachment loss and alveolar bone resorption. Because of deficiency in periodontitis mechanical therapy, this study was aimed to explore the molecular influence of the erbiumdoped: yttrium aluminum garnet (Er:YAG) laser and cyclosporin A (CsA) on human gingival fibroblasts (HGFs) for improvement in periodontal diseases therapy. Methods: We focused on articles that studied the proteome profiles of HGFs after treatment with laser irradiation and application of CsA...
2017: Journal of Lasers in Medical Sciences
Gilberto Pérez-Sánchez, Adriana Jiménez, Marco A Quezada-Ramírez, Enrique Estudillo, Alberto E Ayala-Sarmiento, Guillermo Mendoza-Hernández, Justino Hernández-Soto, Fidel C Hernández-Hernández, Febe E Cázares-Raga, Jose 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...
May 2018: Journal of Cellular Physiology
Haiguo Zhang, Chengfang Zhang, Rui Feng, Haixia Zhang, Min Gao, Ling Ye
Acute myeloid leukemia (AML) is a common myelogenous malignancy in adults that is often characterized by disease relapse. The pathophysiological mechanism of AML has not yet been elucidated. The present study aimed to identify the crucial microRNAs (miRNAs/miRs) and target genes in AML, and to uncover the potential oncogenic mechanism of AML. miRNA and mRNA expression-profiling microarray datasets were downloaded from the Gene Expression Omnibus database. Differential expression analysis was performed and a regulatory network between miRNAs and target genes was constructed...
October 2017: Oncology Letters
Danyang Liu, Yang Hu, Ying Guo, Zhu Zhu, Bingzheng Lu, Xuelan Wang, Yijun Huang
Mycoplasma infection has been reported to be associated with cancer migration, invasion, epithelial-mesenchymal transition as well as the resistance to nucleoside analogues chemotherapeutic drugs. In this study, we found that the sensitivity of hepatocarcinoma cells to Cisplatin, Gemcitabine and Mitoxantrone was increased by mycoplasma elimination. Similar to the effect of anti-mycoplasma agent, interrupting the interaction between Mycoplasma hyorhinis membrane protein P37 and Annexin A2 of host cells using the N-terminal of ANXA2 polypeptide enhanced the sensitivity of HCC97L cells to Gemcitabine and Mitoxantrone...
2017: PloS One
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