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Peipei Liu, Jinliang Huang, Qian Zheng, Leiming Xie, Xinping Lu, Jie Jin, Geng Wang
Mammalian mitochondrial genome encodes a small set of tRNAs, rRNAs, and mRNAs. The RNA synthesis process has been well characterized. How the RNAs are degraded, however, is poorly understood. It was long assumed that the degradation happens in the matrix where transcription and translation machineries reside. Here we show that contrary to the assumption, mammalian mitochondrial RNA degradation occurs in the mitochondrial intermembrane space (IMS) and the IMS-localized RNASET2 is the enzyme that degrades the RNAs...
July 20, 2017: Protein & Cell
James D McKay, Rayjean J Hung, Younghun Han, Xuchen Zong, Robert Carreras-Torres, David C Christiani, Neil E Caporaso, Mattias Johansson, Xiangjun Xiao, Yafang Li, Jinyoung Byun, Alison Dunning, Karen A Pooley, David C Qian, Xuemei Ji, Geoffrey Liu, Maria N Timofeeva, Stig E Bojesen, Xifeng Wu, Loic Le Marchand, Demetrios Albanes, Heike Bickeböller, Melinda C Aldrich, William S Bush, Adonina Tardon, Gad Rennert, M Dawn Teare, John K Field, Lambertus A Kiemeney, Philip Lazarus, Aage Haugen, Stephen Lam, Matthew B Schabath, Angeline S Andrew, Hongbing Shen, Yun-Chul Hong, Jian-Min Yuan, Pier Alberto Bertazzi, Angela C Pesatori, Yuanqing Ye, Nancy Diao, Li Su, Ruyang Zhang, Yonathan Brhane, Natasha Leighl, Jakob S Johansen, Anders Mellemgaard, Walid Saliba, Christopher A Haiman, Lynne R Wilkens, Ana Fernandez-Somoano, Guillermo Fernandez-Tardon, Henricus F M van der Heijden, Jin Hee Kim, Juncheng Dai, Zhibin Hu, Michael P A Davies, Michael W Marcus, Hans Brunnström, Jonas Manjer, Olle Melander, David C Muller, Kim Overvad, Antonia Trichopoulou, Rosario Tumino, Jennifer A Doherty, Matt P Barnett, Chu Chen, Gary E Goodman, Angela Cox, Fiona Taylor, Penella Woll, Irene Brüske, H-Erich Wichmann, Judith Manz, Thomas R Muley, Angela Risch, Albert Rosenberger, Kjell Grankvist, Mikael Johansson, Frances A Shepherd, Ming-Sound Tsao, Susanne M Arnold, Eric B Haura, Ciprian Bolca, Ivana Holcatova, Vladimir Janout, Milica Kontic, Jolanta Lissowska, Anush Mukeria, Simona Ognjanovic, Tadeusz M Orlowski, Ghislaine Scelo, Beata Swiatkowska, David Zaridze, Per Bakke, Vidar Skaug, Shanbeh Zienolddiny, Eric J Duell, Lesley M Butler, Woon-Puay Koh, Yu-Tang Gao, Richard S Houlston, John McLaughlin, Victoria L Stevens, Philippe Joubert, Maxime Lamontagne, David C Nickle, Ma'en Obeidat, Wim Timens, Bin Zhu, Lei Song, Linda Kachuri, María Soler Artigas, Martin D Tobin, Louise V Wain, Thorunn Rafnar, Thorgeir E Thorgeirsson, Gunnar W Reginsson, Kari Stefansson, Dana B Hancock, Laura J Bierut, Margaret R Spitz, Nathan C Gaddis, Sharon M Lutz, Fangyi Gu, Eric O Johnson, Ahsan Kamal, Claudio Pikielny, Dakai Zhu, Sara Lindströem, Xia Jiang, Rachel F Tyndale, Georgia Chenevix-Trench, Jonathan Beesley, Yohan Bossé, Stephen Chanock, Paul Brennan, Maria Teresa Landi, Christopher I Amos
Although several lung cancer susceptibility loci have been identified, much of the heritability for lung cancer remains unexplained. Here 14,803 cases and 12,262 controls of European descent were genotyped on the OncoArray and combined with existing data for an aggregated genome-wide association study (GWAS) analysis of lung cancer in 29,266 cases and 56,450 controls. We identified 18 susceptibility loci achieving genome-wide significance, including 10 new loci. The new loci highlight the striking heterogeneity in genetic susceptibility across the histological subtypes of lung cancer, with four loci associated with lung cancer overall and six loci associated with lung adenocarcinoma...
July 2017: Nature Genetics
Qing Zhang, Shaozheng Liu, Yanxing Guan, Qingjie Chen, Qing Zhang, Xiang Min
OBJECTIVES: This study was designed to unveil the association of GPR174 rs3827440, PTPN22 rs3789604, and RNASET2 rs9355610 with the onset of liver damage (LD) among the Graves' disease (GD) patients. METHODS: A total of 120 GD patients were divided into the none-LD and LD groups. Several indicators were detected for assessing liver functions, and genotypes of single nucleotide polymorphisms (SNPs) were identified. Logistic regression was introduced for investigating the relationship between risk SNPs and LD-associated hyperthyroidism in GD patients...
May 31, 2017: Journal of Clinical Laboratory Analysis
Rivkah Gonsky, Phillip Fleshner, Richard L Deem, Eva Biener-Ramanujan, Dalin Li, Alka A Potdar, Janine Bilsborough, Shaohong Yang, Dermot P B McGovern, Stephan R Targan
BACKGROUND & AIMS: Variants in the tumor necrosis factor superfamily member 15 gene (TNFSF15, also called TL1A) have been associated with risk for inflammatory bowel disease (IBD). TL1A affects expression of multiple cytokines to promote mucosal inflammation. Little is known about the TL1A-response pathways that regulate cytokine expression. We investigated T-cell gene expression patterns to determine the mechanisms by which TL1A regulates cytokine production, and whether these associate with outcomes of patients with Crohn's disease (CD)...
July 2017: Gastroenterology
Raj P Kandpal, Arbans K Sandhu, Gurpreet Kaur, Gursurinder P Kaur, Raghbir S Athwal
Functional complementation of cellular defects has been a valuable approach for localizing causative genes to specific chromosomes. The complementation strategy was followed by positional cloning and characterization of genes for their biological relevance. We herein describe strategies used for the construction of monochromosomal hybrids and their applications for cloning and characterization of genes related to cell growth, cell senescence and DNA repair. We have cloned RNaseT2, GluR6 (glutamate ionotropic receptor kainate type subunit 2-GRIK2) and protein tyrosine phosphatase, receptor type K (PTPRK) genes using these strategies...
March 2017: Cancer Genomics & Proteomics
Claudia Maletzki, Maja Huehns, Ingrid Bauer, Tim Ripperger, Maureen M Mork, Eduardo Vilar, Sabine Klöcking, Heike Zettl, Friedrich Prall, Michael Linnebacher
Mismatch-repair deficient (MMR-D) malignancies include Lynch Syndrome (LS), which is secondary to germline mutations in one of the MMR genes, and the rare childhood-form of constitutional mismatch repair-deficiency (CMMR-D); caused by bi-allelic MMR gene mutations. A hallmark of LS-associated cancers is microsatellite instability (MSI), characterized by coding frameshift mutations (cFSM) in target genes. By contrast, tumors arising in CMMR-D patients are thought to display a somatic mutation pattern differing from LS...
February 20, 2017: Molecular Carcinogenesis
Nicolò Baranzini, Edoardo Pedrini, Rossana Girardello, Gianluca Tettamanti, Magda de Eguileor, Roberto Taramelli, Francesco Acquati, Annalisa Grimaldi
In recent years, several studies have demonstrated that the RNASET2 gene is involved in the control of tumorigenicity in ovarian cancer cells. Furthermore, a role in establishing a functional cross-talk between cancer cells and the surrounding tumor microenvironment has been unveiled for this gene, based on its ability to act as an inducer of the innate immune response. Although several studies have reported on the molecular features of RNASET2, the details on the mechanisms by which this evolutionarily conserved ribonuclease regulates the immune system are still poorly defined...
January 9, 2017: Cell and Tissue Research
Hong Zhu, Wei Xia, Xing-Bo Mo, Xiang Lin, Ying-Hua Qiu, Neng-Jun Yi, Yong-Hong Zhang, Fei-Yan Deng, Shu-Feng Lei
OBJECTIVE: Rheumatoid arthritis (RA) is a complex autoimmune disease. Using a gene-based association research strategy, the present study aims to detect unknown susceptibility to RA and to address the ethnic differences in genetic susceptibility to RA between European and Asian populations. METHODS: Gene-based association analyses were performed with KGG 2.5 by using publicly available large RA datasets (14,361 RA cases and 43,923 controls of European subjects, 4,873 RA cases and 17,642 controls of Asian Subjects)...
2016: PloS One
Nicole Ulrick, Amy Goldstein, Cas Simons, Ryan J Taft, Guy Helman, Amy Pizzino, Miriam Bloom, Julie Vogt, Karen Pysden, Daria Diodato, Diego Martinelli, Ahmad Monavari, Daniela Buhas, Clara D M van Karnebeek, Imen Dorboz, Odile Boespflug-Tanguy, Diana Rodriguez, Martine Tétreault, Jacek Majewski, Genevieve Bernard, Yi Shiau Ng, Robert McFarland, Adeline Vanderver
BACKGROUND: Leukoencephalopathy with temporal lobe cysts may be associated with monogenetic conditions such as Aicardi-Goutières syndrome or RNASET2 mutations and with congenital infections such as cytomegalovirus. In view of the fact that congenital cytomegalovirus is difficult to confirm outside the neonatal period, excluding a Mendelian disorder is extremely relevant, changing family planning and medical management in affected families. We performed diagnostic testing in individuals with leukoencephalopathy with temporal lobe cysts without a definitive diagnosis of congenital cytomegalovirus infection...
January 2017: Pediatric Neurology
Ingvild S M Gabrielsen, Silja Svanstrøm Amundsen, Hanna Helgeland, Siri Tennebø Flåm, Nimo Hatinoor, Kristian Holm, Marte K Viken, Benedicte A Lie
Genome-wide association studies (GWAS) have boosted our knowledge of genetic risk variants in autoimmune diseases (AIDs). Most risk variants are located within or near genes with immunological functions, and the majority is found to be non-coding, pointing towards a regulatory role. In this study, we performed a cis expression quantitative trait locus (eQTL) screen restricted to 353 AID associated risk variants selected from the GWAS catalog to investigate whether these single nucleotide polymorphisms (SNPs) influence gene expression in thymus...
July 15, 2016: Human Molecular Genetics
Davide Tonduti, Simona Orcesi, Emma M Jenkinson, Imen Dorboz, Florence Renaldo, Celeste Panteghini, Gillian I Rice, Marco Henneke, John H Livingston, Monique Elmaleh, Lydie Burglen, Michèl A A P Willemsen, Luisa Chiapparini, Barbara Garavaglia, Diana Rodriguez, Odile Boespflug-Tanguy, Isabella Moroni, Yanick J Crow
BACKGROUND: Cystic leukoencephalopathy without megalencephaly is a disorder related in some cases to RNASET2 mutations and characterized by bilateral anterior temporal subcortical cysts and multifocal lobar white matter lesions with sparing of central white matter structures. This phenotype significantly overlaps with the sequelae of in utero cytomegalovirus (CMV) infection, including the presence of intracranial calcification in some cases. Aicardi-Goutières syndrome (AGS) is another inherited leukodystrophy with cerebral calcification mimicking congenital infection...
July 2016: European Journal of Paediatric Neurology: EJPN
Levava Roiz, Patricia Smirnoff, Iris Lewin, Oded Shoseyov, Betty Schwartz
The roles of cell motility and angiogenetic processes in metastatic spread and tumor aggressiveness are well established and must be simultaneously targeted to maximize antitumor drug potency. This work evaluated the antitumorigenic capacities of human recombinant RNASET2 (hrRNASET2), a homologue of the Aspergillus niger T2RNase ACTIBIND, which has been shown to display both antitumorigenic and antiangiogenic activities. hrRNASET2 disrupted intracellular actin filament and actin-rich extracellular extrusion organization in both CT29 colon cancer and A375SM melanoma cells and induced a significant dose-dependent inhibition of A375SM cell migration...
2016: Oncoscience
Qianqian Wang, Xiuxiu Wang, Yan Le, Min Jiang, Jiaqiang Wu, Li Tao, Yuli Kang, Leihong Xiang
BACKGROUND: Impaired dendrite outgrowth of melanocytes is one of the reasons triggering vitiligo. RNASET2 was identified as one of the risk genes for vitiligo in a GWAS study conducted in the Chinese Han population. However, the role of Rnaset2 in the outgrowth of melanocytes is rarely studied. OBJECTIVE: This study is to investigate the effects of Rnaset2 in regulating the outgrowth of melanocytes and its interacting proteins. METHODS: Stress conditions (UV irradiation, hydrogen peroxide, and lipopolysaccharides) were applied to primary human epidermal melanocytes (HEMs) and epidermal keratinocytes (HEKs)...
October 2015: Journal of Dermatological Science
G Caputa, S Zhao, A E G Criado, D S Ory, J G Duncan, J E Schaffer
RNASET2 is a ubiquitously expressed acidic ribonuclease that has been implicated in diverse pathophysiological processes including tumorigeneis, vitiligo, asthenozoospermia, and neurodegeneration. Prior studies indicate that RNASET2 is induced in response to oxidative stress and that overexpression of RNASET2 sensitizes cells to reactive oxygen species (ROS)-induced cell death through a mechanism that is independent of catalytic activity. Herein, we report a loss-of-function genetic screen that identified RNASET2 as an essential gene for lipotoxic cell death...
February 2016: Cell Death and Differentiation
Qianqian Wang, Xiuxiu Wang, Leihong Xiang
No abstract text is available yet for this article.
July 2015: Journal of Investigative Dermatology. Symposium Proceedings
Xiao-jun Chen, Xiao-hua Gong, Ni Yan, Shuai Meng, Qiu Qin, Yan-Fei Jiang, Hai-Yan Zheng, Jin-an Zhang
BACKGROUND: Polymorphisms of the CC chemokine receptor 6 (CCR6) and RNASET2 tag SNP have been shown to be associated with the susceptibility to several immune-related diseases. This study was conducted to identify the association of CCR6 and RNASET2 tag SNP with autoimmune thyroid diseases (AITDs) in the Chinese Han population. METHODS: We enrolled 1061 patients with AITDs, including 701 patients with Graves' disease (GD) and 360 patients with Hashimoto's thyroiditis (HT), and 938 healthy individuals for a case-control genetic association study...
2015: BMC Medical Genetics
Liron Nesiel-Nuttman, Shani Doron, Betty Schwartz, Oded Shoseyov
Human RNASET2 (hRNASET2) has been demonstrated to exert antiangiogenic and antitumorigenic effects independent of its ribonuclease capacity. We suggested that RNASET2 exerts its antiangiogenic and antitumorigenic activities via binding to actin and consequently inhibits cell motility. We focused herein on the identification of the actin binding site of hRNASET2 using defined sequences encountered within the whole hRNASET2 protein. For that purpose we designed 29 different hRNASET2-derived peptides. The 29 peptides were examined for their ability to bind immobilized actin...
2015: Oncoscience
Marta Lualdi, Edoardo Pedrini, Katia Rea, Laura Monti, Debora Scaldaferri, Marzia Gariboldi, Annalisa Camporeale, Paolo Ghia, Elena Monti, Antonella Tomassetti, Francesco Acquati, Roberto Taramelli
As widely recognized, tumor growth entails a close and complex cross-talk among cancer cells and the surrounding tumor microenvironment. We recently described the human RNASET2 gene as one key player of such microenvironmental cross-talk. Indeed, the protein encoded by this gene is an extracellular RNase which is able to control cancer growth in a non-cell autonomous mode by inducing a sustained recruitment of immune-competent cells belonging to the monocyte/macrophage lineage within a growing tumor mass. Here, we asked whether this oncosuppressor gene is sensitive to stress challenges and whether it can trigger cell-intrinsic processes as well...
April 10, 2015: Oncotarget
Marta Lualdi, Edoardo Pedrini, Francesca Petroni, Johnny Näsman, Christer Lindqvist, Debora Scaldaferri, Roberto Taramelli, Antonio Inforzato, Francesco Acquati
Ribonucleases form a large family of enzymes involved in RNA metabolism and are endowed with a broad range of biological functions. Among the different RNase proteins described in the last decades, those belonging to the Rh/T2/S subfamily show the highest degree of evolutionary conservation, suggesting the occurrence of a key critical ancestral role for this protein family. We have recently defined the human RNASET2 gene as a novel member of a group of oncosuppressors called "tumor antagonizing genes," whose activity in the control of cancer growth is carried out mainly in vivo...
June 2015: Molecular Biotechnology
Liron Nesiel-Nuttman, Betty Schwartz, Oded Shoseyov
Human RNASET2 has been implicated in antitumorigenic and antiangiogenic activities, independent of its ribonuclease capacities. We constructed a truncated version of human RNASET2, starting at E50 (trT2-50) and devoid of ribonuclease activity. trT2-50 maintained its ability to bind actin and to inhibit angiogenesis and tumorigenesis. trT2-50 binds to cell surface actin and formed a complex with actin in vitro. The antiangiogenic effect of this protein was demonstrated in human umbilical vein endothelial cells (HUVECs) by its ability to arrest tube formation on Matrigel, induced by angiogenic factors...
November 30, 2014: Oncotarget
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