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Your search keyword '"García-Mulero S"' showing total 2 results
Start Over Author "García-Mulero S" Topic dna polymerase iii
2 results on '"García-Mulero S"'

1. Solving the enigma of POLD1 p.V295M as a potential cause of increased cancer risk.

Author

Mur P, Magraner-Pardo L, García-Mulero S, Díez-Villanueva A, Del Valle J, Ezquerro E, Lázaro C, Capellá G, Moreno V, Sanz-Pamplona R, Pons T, and Valle L

Subjects
DNA Polymerase II chemistry, DNA Polymerase II genetics, Germ-Line Mutation, Humans, Poly-ADP-Ribose Binding Proteins genetics, Adenoma genetics, Colorectal Neoplasms genetics, Colorectal Neoplasms pathology, DNA Polymerase III chemistry, DNA Polymerase III genetics
Abstract

Germline variants that affect the proofreading activity of polymerases epsilon (POLE) and delta (POLD1) predispose to colorectal adenomas and carcinomas, among other cancers. All cancer-associated pathogenic variants reported to date consist of non-disruptive genetic changes affecting the sequence that codifies the exonuclease domain (ED). Generally, disruptive (frameshift, stop-gain) POLE and POLD1 variants and missense variants outside the ED do not predispose to cancer. However, this statement may not be true for some, very specific variants that would indirectly affect the proofreading activity of the corresponding polymerase. We evaluated, by using multiple approaches, the possibility that POLD1 c.883G>A; p.(Val295Met), -a variant located 9 amino acids upstream the ED and present in ~0.25% of hereditary cancer patients-, affects POLD1 proofreading activity. Our findings show cumulative evidence that support no alteration of the proofreading activity and lack of association with cancer. The variant is classified as likely benign according to the ACMG/AMP guidelines., (© 2021. The Author(s), under exclusive licence to European Society of Human Genetics.)

Published
2022
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2. Role of POLE and POLD1 in familial cancer

Author

Pau M. Munoz-Torres, Joan Brunet, Rebeca Sanz-Pamplona, August Vidal, Gemma Llort, Esther Darder, Victor Moreno, Teresa Ramón y Cajal, Laura Valle, Judith Balmaña, Marta Pineda, Tirso Pons, Xavier Matias-Guiu, Jesús del Valle, Lorena Magraner-Pardo, Rosa Aligué, Pilar Mur, Giacomo Cinnirella, Josep M. Piulats, Elia Grau, Lídia Feliubadaló, Sami Belhadj, Adriana Lopez-Doriga, Matilde Navarro, Conxi Lázaro, Sandra García-Mulero, Judit Sanz, Gabriel Capellá, Edgar Martin-Ramos, [Mur P, Del Valle J, Pineda M] Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL, Hospitalet de Llobregat, Barcelona, Spain. Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Hospitalet de Llobregat, Barcelona, Spain. Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain. [García-Mulero S] Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Hospitalet de Llobregat, Barcelona, Spain. Oncology Data Analytics Program (ODAP), Catalan Institute of Oncology, IDIBELL, Hospitalet de Llobregat, Barcelona, Spain. [Magraner-Pardo L] Prostate Cancer Clinical Research Unit. Spanish National Cancer Research Center (CNIO), Madrid, Spain. [Vidal A] Department of Pathology, Bellvitge University Hospital, IDIBELL, Hospitalet de Llobregat, Barcelona, Spain. [Balmana J] Servei d’Oncologia Mèdica, Vall d’Hebron Hospital Universitari, Barcelona, Spain. Vall d’Hebron Institute of Oncology (VHIO), Barcelona, Spain, Vall d'Hebron Barcelona Hospital Campus, Ministerio de Economía y Competitividad (España), Instituto de Salud Carlos III, Generalitat de Catalunya, Fundación Olga Torres, and European Cooperation in Science and Technology

Subjects
fenómenos genéticos::variación genética::mutación::mutación de la línea germinal [FENÓMENOS Y PROCESOS], Proband, Polymerase proofreading–associated polyposis, Recte - Càncer - Aspectes genètics, Colorectal cancer, Genetic counseling, Population, Còlon - Càncer - Aspectes genètics, Biology, Article, Genetic Phenomena::Genetic Variation::Mutation::Germ-Line Mutation [PHENOMENA AND PROCESSES], Germline, PPAP, Endometrial cancer, Càncer colorectal, Malalties hereditàries, Ultramutated phenotype, medicine, Humans, Missense mutation, Poly-ADP-Ribose Binding Proteins, education, Allele frequency, Germ-Line Mutation, Genetics (clinical), Exonuclease domain, DNA Polymerase III, Genetics, education.field_of_study, Malalties transmissibles - Teoria germinal, POLD1, ultramutated phenotype, DNA Polymerase II, medicine.disease, polymerase proofreading–associated polyposis, Càncer d'endometri, Neoplasms::Neoplasms::Neoplastic Syndromes, Hereditary::Colorectal Neoplasms, Hereditary Nonpolyposis [DISEASES], Hereditary colorectal cancer, Mutation, hereditary colorectal cancer, neoplasias::neoplasias::síndromes neoplásicos hereditarios::neoplasias colorrectales hereditarias sin poliposis [ENFERMEDADES], exonuclease domain, Colorectal Neoplasms, Genetic diseases
Abstract

[Purpose]: Germline pathogenic variants in the exonuclease domain (ED) of polymerases POLE and POLD1 predispose to adenomatous polyps, colorectal cancer (CRC), endometrial tumors, and other malignancies, and exhibit increased mutation rate and highly specific associated mutational signatures. The tumor spectrum and prevalence of POLE and POLD1 variants in hereditary cancer are evaluated in this study. [Methods]: POLE and POLD1 were sequenced in 2813 unrelated probands referred for genetic counseling (2309 hereditary cancer patients subjected to a multigene panel, and 504 patients selected based on phenotypic characteristics). Cosegregation and case–control studies, yeast-based functional assays, and tumor mutational analyses were performed for variant interpretation. [Results]: Twelve ED missense variants, 6 loss-of-function, and 23 outside-ED predicted-deleterious missense variants, all with population allele frequencies, This work was funded by the Spanish Ministry of Science and Innovation, cofunded by FEDER funds (SAF2016-80888-R, SAF2015-68016-R, Severo Ochoa SVP-2014-068895 contract [L.M.-P.]); Instituto de Salud Carlos III (PI16/00563, PI16/00588, PI14/00613, PI19/00553, CIBERONC CB16/12/00234, CIBERESP, Sara Borrell contract [P.M.]); Government of Catalonia [AGAUR 2017SGR1282, CERCA Program]; and Fundación Olga Torres. This study was facilitated by COST Action CA17118, supported by COST (European Cooperation in Science and Technology).

Published
2020
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