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Rofes P, Teulé Á, Feliubadaló L, Salinas M, Cuesta R, Iglesias S, Campos O, González S, Capellá G, Brunet J, Del Valle J, Lázaro C. Mosaicism in PTEN-new case and comment on the literature. Eur J Hum Genet 2022; 30:641-644. [PMID: 35102303 DOI: 10.1038/s41431-022-01052-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 01/13/2022] [Accepted: 01/18/2022] [Indexed: 12/30/2022] Open
Affiliation(s)
- Paula Rofes
- Hereditary Cancer Program, Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Catalan Institute of Oncology, l'Hospitalet del Llobregat, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Álex Teulé
- Hereditary Cancer Program, Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Catalan Institute of Oncology, l'Hospitalet del Llobregat, Spain
| | - Lídia Feliubadaló
- Hereditary Cancer Program, Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Catalan Institute of Oncology, l'Hospitalet del Llobregat, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Mònica Salinas
- Hereditary Cancer Program, Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Catalan Institute of Oncology, l'Hospitalet del Llobregat, Spain
| | - Raquel Cuesta
- Hereditary Cancer Program, Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Catalan Institute of Oncology, l'Hospitalet del Llobregat, Spain
| | - Sílvia Iglesias
- Hereditary Cancer Program, Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Catalan Institute of Oncology, l'Hospitalet del Llobregat, Spain
| | - Olga Campos
- Hereditary Cancer Program, Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Catalan Institute of Oncology, l'Hospitalet del Llobregat, Spain
| | - Sara González
- Hereditary Cancer Program, Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Catalan Institute of Oncology, l'Hospitalet del Llobregat, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Gabriel Capellá
- Hereditary Cancer Program, Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Catalan Institute of Oncology, l'Hospitalet del Llobregat, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Joan Brunet
- Hereditary Cancer Program, Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Catalan Institute of Oncology, l'Hospitalet del Llobregat, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Jesús Del Valle
- Hereditary Cancer Program, Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Catalan Institute of Oncology, l'Hospitalet del Llobregat, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Conxi Lázaro
- Hereditary Cancer Program, Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Catalan Institute of Oncology, l'Hospitalet del Llobregat, Spain. .,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.
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Rofes P, Del Valle J, Torres-Esquius S, Feliubadaló L, Stradella A, Moreno-Cabrera JM, López-Doriga A, Munté E, De Cid R, Campos O, Cuesta R, Teulé Á, Grau È, Sanz J, Capellá G, Díez O, Brunet J, Balmaña J, Lázaro C. BARD1 Pathogenic Variants are Associated with Triple-Negative Breast Cancer in a Spanish Hereditary Breast and Ovarian Cancer Cohort. Genes (Basel) 2021; 12:genes12020150. [PMID: 33498765 PMCID: PMC7911518 DOI: 10.3390/genes12020150] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 01/13/2021] [Accepted: 01/20/2021] [Indexed: 12/16/2022] Open
Abstract
Only a small fraction of hereditary breast and/or ovarian cancer (HBOC) cases are caused by germline variants in the high-penetrance breast cancer 1 and 2 genes (BRCA1 and BRCA2). BRCA1-associated ring domain 1 (BARD1), nuclear partner of BRCA1, has been suggested as a potential HBOC risk gene, although its prevalence and penetrance are variable according to populations and type of tumor. We aimed to investigate the prevalence of BARD1 truncating variants in a cohort of patients with clinical suspicion of HBOC. A comprehensive BARD1 screening by multigene panel analysis was performed in 4015 unrelated patients according to our regional guidelines for genetic testing in hereditary cancer. In addition, 51,202 Genome Aggregation Database (gnomAD) non-Finnish, non-cancer European individuals were used as a control population. In our patient cohort, we identified 19 patients with heterozygous BARD1 truncating variants (0.47%), whereas the frequency observed in the gnomAD controls was 0.12%. We found a statistically significant association of truncating BARD1 variants with overall risk (odds ratio (OR) = 3.78; CI = 2.10–6.48; p = 1.16 × 10−5). This association remained significant in the hereditary breast cancer (HBC) group (OR = 4.18; CI = 2.10–7.70; p = 5.45 × 10−5). Furthermore, deleterious BARD1 variants were enriched among triple-negative BC patients (OR = 5.40; CI = 1.77–18.15; p = 0.001) compared to other BC subtypes. Our results support the role of BARD1 as a moderate penetrance BC predisposing gene and highlight a stronger association with triple-negative tumors.
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Affiliation(s)
- Paula Rofes
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL, 08908 L’Hospitalet de Llobregat, Spain; (P.R.); (J.D.V.); (L.F.); (A.S.); (J.M.M.-C.); (E.M.); (O.C.); (R.C.); (Á.T.); (G.C.)
- Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, 08908 L’Hospitalet de Llobregat, Spain;
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28929 Madrid, Spain
| | - Jesús Del Valle
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL, 08908 L’Hospitalet de Llobregat, Spain; (P.R.); (J.D.V.); (L.F.); (A.S.); (J.M.M.-C.); (E.M.); (O.C.); (R.C.); (Á.T.); (G.C.)
- Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, 08908 L’Hospitalet de Llobregat, Spain;
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28929 Madrid, Spain
| | - Sara Torres-Esquius
- Hereditary Cancer Genetics Group, Vall d’Hebron Institute of Oncology (VHIO), Medical Oncology Department, University Hospital Vall d’Hebron, Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (S.T.-E.); (J.B.)
| | - Lídia Feliubadaló
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL, 08908 L’Hospitalet de Llobregat, Spain; (P.R.); (J.D.V.); (L.F.); (A.S.); (J.M.M.-C.); (E.M.); (O.C.); (R.C.); (Á.T.); (G.C.)
- Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, 08908 L’Hospitalet de Llobregat, Spain;
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28929 Madrid, Spain
| | - Agostina Stradella
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL, 08908 L’Hospitalet de Llobregat, Spain; (P.R.); (J.D.V.); (L.F.); (A.S.); (J.M.M.-C.); (E.M.); (O.C.); (R.C.); (Á.T.); (G.C.)
- Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, 08908 L’Hospitalet de Llobregat, Spain;
- Medical Oncology Department, Catalan Institute of Oncology, IDIBELL, 08908 L’Hospitalet de Llobregat, Spain;
| | - José Marcos Moreno-Cabrera
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL, 08908 L’Hospitalet de Llobregat, Spain; (P.R.); (J.D.V.); (L.F.); (A.S.); (J.M.M.-C.); (E.M.); (O.C.); (R.C.); (Á.T.); (G.C.)
- Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, 08908 L’Hospitalet de Llobregat, Spain;
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28929 Madrid, Spain
| | - Adriana López-Doriga
- Oncology Data Analytics Program (ODAP), Catalan Institute of Oncology, 08908 L’Hospitalet de Llobregat, Spain;
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain
| | - Elisabet Munté
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL, 08908 L’Hospitalet de Llobregat, Spain; (P.R.); (J.D.V.); (L.F.); (A.S.); (J.M.M.-C.); (E.M.); (O.C.); (R.C.); (Á.T.); (G.C.)
- Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, 08908 L’Hospitalet de Llobregat, Spain;
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28929 Madrid, Spain
| | - Rafael De Cid
- Genomes for Life-GCAT Lab Group, IGTP, Institut Germans Trias i Pujol (IGTP), 08916 Badalona, Spain;
| | - Olga Campos
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL, 08908 L’Hospitalet de Llobregat, Spain; (P.R.); (J.D.V.); (L.F.); (A.S.); (J.M.M.-C.); (E.M.); (O.C.); (R.C.); (Á.T.); (G.C.)
- Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, 08908 L’Hospitalet de Llobregat, Spain;
| | - Raquel Cuesta
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL, 08908 L’Hospitalet de Llobregat, Spain; (P.R.); (J.D.V.); (L.F.); (A.S.); (J.M.M.-C.); (E.M.); (O.C.); (R.C.); (Á.T.); (G.C.)
- Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, 08908 L’Hospitalet de Llobregat, Spain;
| | - Álex Teulé
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL, 08908 L’Hospitalet de Llobregat, Spain; (P.R.); (J.D.V.); (L.F.); (A.S.); (J.M.M.-C.); (E.M.); (O.C.); (R.C.); (Á.T.); (G.C.)
- Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, 08908 L’Hospitalet de Llobregat, Spain;
| | - Èlia Grau
- Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, 08908 L’Hospitalet de Llobregat, Spain;
- Hereditary Cancer Program, Catalan Institute of Oncology, IGTP, 08916 Badalona, Spain
| | - Judit Sanz
- Genetic Counselling Unit, Medical Oncology Department, Althaia Xarxa Assistencial Universitària de Manresa, 08243 Manresa, Spain;
| | - Gabriel Capellá
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL, 08908 L’Hospitalet de Llobregat, Spain; (P.R.); (J.D.V.); (L.F.); (A.S.); (J.M.M.-C.); (E.M.); (O.C.); (R.C.); (Á.T.); (G.C.)
- Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, 08908 L’Hospitalet de Llobregat, Spain;
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28929 Madrid, Spain
| | - Orland Díez
- Catalan Health Institute, Vall d’Hebron Hospital Universitari, 08035 Barcelona, Spain;
- Hereditary Cancer Genetics Group, Vall d’Hebron Institute of Oncology (VHIO), 08035 Barcelona, Spain
| | - Joan Brunet
- Medical Oncology Department, Catalan Institute of Oncology, IDIBELL, 08908 L’Hospitalet de Llobregat, Spain;
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBGI, 17007 Girona, Spain
- Medical Sciences Department, School of Medicine, University of Girona, 17007 Girona, Spain
| | - Judith Balmaña
- Hereditary Cancer Genetics Group, Vall d’Hebron Institute of Oncology (VHIO), Medical Oncology Department, University Hospital Vall d’Hebron, Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (S.T.-E.); (J.B.)
| | - Conxi Lázaro
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL, 08908 L’Hospitalet de Llobregat, Spain; (P.R.); (J.D.V.); (L.F.); (A.S.); (J.M.M.-C.); (E.M.); (O.C.); (R.C.); (Á.T.); (G.C.)
- Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, 08908 L’Hospitalet de Llobregat, Spain;
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28929 Madrid, Spain
- Correspondence: ; Tel.: +34-93-2607145
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Moreno-Cabrera JM, Del Valle J, Feliubadaló L, Pineda M, González S, Campos O, Cuesta R, Brunet J, Serra E, Capellà G, Gel B, Lázaro C. Screening of CNVs using NGS data improves mutation detection yield and decreases costs in genetic testing for hereditary cancer. J Med Genet 2020; 59:75-78. [PMID: 33219106 DOI: 10.1136/jmedgenet-2020-107366] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 09/23/2020] [Accepted: 09/24/2020] [Indexed: 01/23/2023]
Abstract
INTRODUCTION Germline CNVs are important contributors to hereditary cancer. In genetic diagnostics, multiplex ligation-dependent probe amplification (MLPA) is commonly used to identify them. However, MLPA is time-consuming and expensive if applied to many genes, hence many routine laboratories test only a subset of genes of interest. METHODS AND RESULTS We evaluated a next-generation sequencing (NGS)-based CNV detection tool (DECoN) as first-tier screening to decrease costs and turnaround time and expand CNV analysis to all genes of clinical interest in our diagnostics routine. We used DECoN in a retrospective cohort of 1860 patients where a limited number of genes were previously analysed by MLPA, and in a prospective cohort of 2041 patients, without MLPA analysis. In the retrospective cohort, 6 new CNVs were identified and confirmed by MLPA. In the prospective cohort, 19 CNVs were identified and confirmed by MLPA, 8 of these would have been lost in our previous MLPA-restricted detection strategy. Also, the number of genes tested by MLPA across all samples decreased by 93.0% in the prospective cohort. CONCLUSION Including an in silico germline NGS CNV detection tool improved our genetic diagnostics strategy in hereditary cancer, both increasing the number of CNVs detected and reducing turnaround time and costs.
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Affiliation(s)
- José Marcos Moreno-Cabrera
- Hereditary Cancer Program, Joint Program on Hereditary Cancer, Catalan Institute of Oncology, Institut d'Investigació Biomèdica de Bellvitge - IDIBELL-ONCOBELL, L'Hospitalet de Llobregat, Spain.,Centro de Investigación Biomédica en Red Cáncer (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain.,Hereditary Cancer Group, Program for Predictive and Personalized Medicine of Cancer - Germans Trias i Pujol Research Institute (PMPPC-IGTP), Campus Can Ruti, Badalona, Spain
| | - Jesús Del Valle
- Hereditary Cancer Program, Joint Program on Hereditary Cancer, Catalan Institute of Oncology, Institut d'Investigació Biomèdica de Bellvitge - IDIBELL-ONCOBELL, L'Hospitalet de Llobregat, Spain.,Centro de Investigación Biomédica en Red Cáncer (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
| | - Lidia Feliubadaló
- Hereditary Cancer Program, Joint Program on Hereditary Cancer, Catalan Institute of Oncology, Institut d'Investigació Biomèdica de Bellvitge - IDIBELL-ONCOBELL, L'Hospitalet de Llobregat, Spain.,Centro de Investigación Biomédica en Red Cáncer (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
| | - Marta Pineda
- Hereditary Cancer Program, Joint Program on Hereditary Cancer, Catalan Institute of Oncology, Institut d'Investigació Biomèdica de Bellvitge - IDIBELL-ONCOBELL, L'Hospitalet de Llobregat, Spain.,Centro de Investigación Biomédica en Red Cáncer (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
| | - Sara González
- Hereditary Cancer Program, Joint Program on Hereditary Cancer, Catalan Institute of Oncology, Institut d'Investigació Biomèdica de Bellvitge - IDIBELL-ONCOBELL, L'Hospitalet de Llobregat, Spain.,Centro de Investigación Biomédica en Red Cáncer (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
| | - Olga Campos
- Hereditary Cancer Program, Joint Program on Hereditary Cancer, Catalan Institute of Oncology, Institut d'Investigació Biomèdica de Bellvitge - IDIBELL-ONCOBELL, L'Hospitalet de Llobregat, Spain.,Centro de Investigación Biomédica en Red Cáncer (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
| | - Raquel Cuesta
- Hereditary Cancer Program, Joint Program on Hereditary Cancer, Catalan Institute of Oncology, Institut d'Investigació Biomèdica de Bellvitge - IDIBELL-ONCOBELL, L'Hospitalet de Llobregat, Spain.,Centro de Investigación Biomédica en Red Cáncer (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
| | - Joan Brunet
- Hereditary Cancer Program, Joint Program on Hereditary Cancer, Catalan Institute of Oncology, Institut d'Investigació Biomèdica de Bellvitge - IDIBELL-ONCOBELL, L'Hospitalet de Llobregat, Spain.,Centro de Investigación Biomédica en Red Cáncer (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain.,Hereditary Cancer Program, Catalan Institute of Oncology, IDIBGi, Girona, Spain
| | - Eduard Serra
- Centro de Investigación Biomédica en Red Cáncer (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain.,Hereditary Cancer Group, Program for Predictive and Personalized Medicine of Cancer - Germans Trias i Pujol Research Institute (PMPPC-IGTP), Campus Can Ruti, Badalona, Spain
| | - Gabriel Capellà
- Hereditary Cancer Program, Joint Program on Hereditary Cancer, Catalan Institute of Oncology, Institut d'Investigació Biomèdica de Bellvitge - IDIBELL-ONCOBELL, L'Hospitalet de Llobregat, Spain.,Centro de Investigación Biomédica en Red Cáncer (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
| | - Bernat Gel
- Hereditary Cancer Group, Program for Predictive and Personalized Medicine of Cancer - Germans Trias i Pujol Research Institute (PMPPC-IGTP), Campus Can Ruti, Badalona, Spain
| | - Conxi Lázaro
- Hereditary Cancer Program, Joint Program on Hereditary Cancer, Catalan Institute of Oncology, Institut d'Investigació Biomèdica de Bellvitge - IDIBELL-ONCOBELL, L'Hospitalet de Llobregat, Spain .,Centro de Investigación Biomédica en Red Cáncer (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
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4
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Vargas-Parra G, Del Valle J, Rofes P, Gausachs M, Stradella A, Moreno-Cabrera JM, Velasco A, Tornero E, Menéndez M, Muñoz X, Iglesias S, López-Doriga A, Azuara D, Campos O, Cuesta R, Darder E, de Cid R, González S, Teulé A, Navarro M, Brunet J, Capellá G, Pineda M, Feliubadaló L, Lázaro C. Comprehensive analysis and ACMG-based classification of CHEK2 variants in hereditary cancer patients. Hum Mutat 2020; 41:2128-2142. [PMID: 32906215 DOI: 10.1002/humu.24110] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/13/2020] [Accepted: 09/06/2020] [Indexed: 12/11/2022]
Abstract
CHEK2 variants are associated with intermediate breast cancer risk, among other cancers. We aimed to comprehensively describe CHEK2 variants in a Spanish hereditary cancer (HC) cohort and adjust the American College of Medical Genetics and Genomics and the Association for Molecular Pathology (ACMG-AMP) guidelines for their classification. First, three CHEK2 frequent variants were screened in a retrospective Hereditary Breast and Ovarian Cancer cohort of 516 patients. After, the whole CHEK2 coding region was analyzed by next-generation sequencing in 1848 prospective patients with HC suspicion. We refined ACMG-AMP criteria and applied different combined rules to classify CHEK2 variants and define risk alleles. We identified 10 CHEK2 null variants, 6 missense variants with discordant interpretation in ClinVar database, and 35 additional variants of unknown significance. Twelve variants were classified as (likely)-pathogenic; two can also be considered "established risk-alleles" and one as "likely risk-allele." The prevalence of (likely)-pathogenic variants in the HC cohort was 0.8% (1.3% in breast cancer patients and 1.0% in hereditary nonpolyposis colorectal cancer patients). Here, we provide ACMG adjustment guidelines to classify CHEK2 variants. We hope that this study would be useful for variant classification of other genes with low effect variants.
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Affiliation(s)
- Gardenia Vargas-Parra
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Jesús Del Valle
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Paula Rofes
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Mireia Gausachs
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain
| | - Agostina Stradella
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Medical Oncology Department, Catalan Institute of Oncology, IDIBELL, Barcelona, Spain
| | - José M Moreno-Cabrera
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Angela Velasco
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Eva Tornero
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Mireia Menéndez
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Xavier Muñoz
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Silvia Iglesias
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Adriana López-Doriga
- Oncology Data Analytics Program (ODAP), Catalan Institute of Oncology, Barcelona, Spain.,Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Daniel Azuara
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Olga Campos
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Raquel Cuesta
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Esther Darder
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Rafael de Cid
- Programa de Medicina Predictiva i Personalitzada del Càncer-Institut Germans Trias i Pujol (PMPPC-IGTP), Genomes for Life-GCAT Lab Group, Badalona, Spain
| | - Sara González
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Alex Teulé
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Matilde Navarro
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Joan Brunet
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.,Medical Sciences Department, School of Medicine, University of Girona, Girona, Spain
| | - Gabriel Capellá
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Marta Pineda
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Lídia Feliubadaló
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Conxi Lázaro
- Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IGTP-IDIBGI, Badalona, Spain.,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
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5
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González-Acosta M, Del Valle J, Navarro M, Thompson BA, Iglesias S, Sanjuan X, Paúles MJ, Padilla N, Fernández A, Cuesta R, Teulé À, Plotz G, Cadiñanos J, de la Cruz X, Balaguer F, Lázaro C, Pineda M, Capellá G. Elucidating the clinical significance of two PMS2 missense variants coexisting in a family fulfilling hereditary cancer criteria. Fam Cancer 2017; 16:501-507. [PMID: 28365877 DOI: 10.1007/s10689-017-9981-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The clinical spectrum of germline mismatch repair (MMR) gene variants continues increasing, encompassing Lynch syndrome, Constitutional MMR Deficiency (CMMRD), and the recently reported MSH3-associated polyposis. Genetic diagnosis of these hereditary cancer syndromes is often hampered by the presence of variants of unknown significance (VUS) and overlapping phenotypes. Two PMS2 VUS, c.2149G>A (p.V717M) and c.2444C>T (p.S815L), were identified in trans in one individual diagnosed with early-onset colorectal cancer (CRC) who belonged to a family fulfilling clinical criteria for hereditary cancer. Clinico-pathological data, multifactorial likelihood calculations and functional analyses were used to refine their clinical significance. Likelihood analysis based on cosegregation and tumor data classified the c.2444C>T variant as pathogenic, which was supported by impaired MMR activity associated with diminished protein expression in functional assays. Conversely, the c.2149G>A variant displayed MMR proficiency and protein stability. These results, in addition to the conserved PMS2 expression in normal tissues and the absence of germline microsatellite instability (gMSI) in the biallelic carrier ruled out a CMMRD diagnosis. The use of comprehensive strategies, including functional and clinico-pathological information, is mandatory to improve the clinical interpretation of naturally occurring MMR variants. This is critical for appropriate clinical management of cancer syndromes associated to MMR gene mutations.
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Affiliation(s)
- Maribel González-Acosta
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO), IDIBELL and CIBERONC, Av. Gran Via de l'Hospitalet, 199-203, 08908, Hospitalet de Llobregat (Barcelona), Spain
| | - Jesús Del Valle
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO), IDIBELL and CIBERONC, Av. Gran Via de l'Hospitalet, 199-203, 08908, Hospitalet de Llobregat (Barcelona), Spain
| | - Matilde Navarro
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO), IDIBELL and CIBERONC, Av. Gran Via de l'Hospitalet, 199-203, 08908, Hospitalet de Llobregat (Barcelona), Spain
| | - Bryony A Thompson
- Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah, USA.,Centre for Epidemiology and Biostatistics, School of Population and Global Health, University of Melbourne, Melbourne, Australia
| | - Sílvia Iglesias
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO), IDIBELL and CIBERONC, Av. Gran Via de l'Hospitalet, 199-203, 08908, Hospitalet de Llobregat (Barcelona), Spain
| | - Xavier Sanjuan
- Pathology Department, Hospital Universitari de Bellvitge, IDIBELL, Hospitalet de Llobregat (Barcelona), Spain
| | - María José Paúles
- Pathology Department, Hospital Universitari de Bellvitge, IDIBELL, Hospitalet de Llobregat (Barcelona), Spain
| | - Natàlia Padilla
- Research Unit in Translational Bioinformatics, Vall d'Hebron Research Institute (VHIR), Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Anna Fernández
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO), IDIBELL and CIBERONC, Av. Gran Via de l'Hospitalet, 199-203, 08908, Hospitalet de Llobregat (Barcelona), Spain
| | - Raquel Cuesta
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO), IDIBELL and CIBERONC, Av. Gran Via de l'Hospitalet, 199-203, 08908, Hospitalet de Llobregat (Barcelona), Spain
| | - Àlex Teulé
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO), IDIBELL and CIBERONC, Av. Gran Via de l'Hospitalet, 199-203, 08908, Hospitalet de Llobregat (Barcelona), Spain
| | - Guido Plotz
- Medical Clinic 1, Johann Wolfgang Goethe-University, Frankfurt, Germany
| | - Juan Cadiñanos
- Instituto de Medicina Oncológica y Molecular de Asturias (IMOMA), Oviedo, Spain
| | - Xavier de la Cruz
- Research Unit in Translational Bioinformatics, Vall d'Hebron Research Institute (VHIR), Universitat Autònoma de Barcelona (UAB), Barcelona, Spain.,ICREA, Barcelona, Spain
| | - Francesc Balaguer
- Department of Gastroenterology, Hospital Clínic, Centro de Investigación Biomédica en Red en Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Conxi Lázaro
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO), IDIBELL and CIBERONC, Av. Gran Via de l'Hospitalet, 199-203, 08908, Hospitalet de Llobregat (Barcelona), Spain
| | - Marta Pineda
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO), IDIBELL and CIBERONC, Av. Gran Via de l'Hospitalet, 199-203, 08908, Hospitalet de Llobregat (Barcelona), Spain
| | - Gabriel Capellá
- Hereditary Cancer Program, Catalan Institute of Oncology (ICO), IDIBELL and CIBERONC, Av. Gran Via de l'Hospitalet, 199-203, 08908, Hospitalet de Llobregat (Barcelona), Spain.
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6
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Lopez-Doriga A, Feliubadaló L, Menéndez M, Lopez-Doriga S, Morón-Duran FD, del Valle J, Tornero E, Montes E, Cuesta R, Campos O, Gómez C, Pineda M, González S, Moreno V, Capellá G, Lázaro C. ICO amplicon NGS data analysis: a Web tool for variant detection in common high-risk hereditary cancer genes analyzed by amplicon GS Junior next-generation sequencing. Hum Mutat 2013; 35:271-7. [PMID: 24227591 DOI: 10.1002/humu.22484] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Accepted: 11/07/2013] [Indexed: 12/19/2022]
Abstract
Next-generation sequencing (NGS) has revolutionized genomic research and is set to have a major impact on genetic diagnostics thanks to the advent of benchtop sequencers and flexible kits for targeted libraries. Among the main hurdles in NGS are the difficulty of performing bioinformatic analysis of the huge volume of data generated and the high number of false positive calls that could be obtained, depending on the NGS technology and the analysis pipeline. Here, we present the development of a free and user-friendly Web data analysis tool that detects and filters sequence variants, provides coverage information, and allows the user to customize some basic parameters. The tool has been developed to provide accurate genetic analysis of targeted sequencing of common high-risk hereditary cancer genes using amplicon libraries run in a GS Junior System. The Web resource is linked to our own mutation database, to assist in the clinical classification of identified variants. We believe that this tool will greatly facilitate the use of the NGS approach in routine laboratories.
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7
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Tadeo G, Picazo J, Moreno C, Cuesta R. A comparison of two types of preperitoneal mesh prostheses in stoma surgery: application to an animal model. Hernia 2012; 16:669-75. [DOI: 10.1007/s10029-012-0966-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2011] [Accepted: 07/10/2012] [Indexed: 11/29/2022]
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8
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Fernández-Ruiz M, Salto E, Cuesta R, López-Medrano F. [Autochthonous cutaneous myiasis due to Chrysomya bezziana]. Rev Clin Esp 2011; 211:218-9. [PMID: 21419405 DOI: 10.1016/j.rce.2010.10.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2010] [Accepted: 10/04/2010] [Indexed: 11/27/2022]
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9
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del Valle J, Feliubadaló L, Nadal M, Teulé A, Miró R, Cuesta R, Tornero E, Menéndez M, Darder E, Brunet J, Capellà G, Blanco I, Lázaro C. Identification and comprehensive characterization of large genomic rearrangements in the BRCA1 and BRCA2 genes. Breast Cancer Res Treat 2009; 122:733-43. [DOI: 10.1007/s10549-009-0613-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2009] [Accepted: 10/20/2009] [Indexed: 11/25/2022]
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10
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García-Martín J, López-Garzón R, Godino-Salido ML, Gutiérrez-Valero MD, Arranz-Mascarós P, Cuesta R, Carrasco-Marín F. Ligand adsorption on an activated carbon for the removal of chromate ions from aqueous solutions. Langmuir 2005; 21:6908-14. [PMID: 16008403 DOI: 10.1021/la050549h] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The results presented in this work are related to the design of a guideline to develop specific properties at the surface of an activated carbon (AC). For this, two model aromatic compounds have been synthesized and their electrolytic behavior in aqueous solutions was studied by a potentiometric method. The textural characteristics of the activated carbon were determined by porosimetry methods. The nature of oxygen-carrying functions and the acid-base behavior of the AC surface were characterized by TPD and potentiometric titration methods, respectively. The adsorption and desorption equilibria of the aromatic compounds on activated carbon were measured in aqueous solutions, and the hysteresis between adsorption and desorption, which reveals irreversible adsorption, was discussed on the basis of the frontier orbital theory. HOMO and LUMO orbitals of the adsorbent and adsorbates were calculated, and irreversible adsorption was attributed to the small energy difference between HOMO and LUMO of the aromatic adsorbates and the adsorbent. Adsorption equilibria of K2CrO4 in aqueous solution on the AC alone and on the AC-aromatic ligand adsorbents, respectively, prove the efficient development of specific chemical functions at the carbon surface provided by the adsorbed aromatic compounds.
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Affiliation(s)
- J García-Martín
- Departamento de Química Inorgánica y Orgánica, Universidad de Jaén, 23071-Jaén, Spain
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11
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López-Garzón R, Godino-Salido M, Arranz-Mascarós P, Fontecha-Cámara M, Gutiérrez-Valero M, Cuesta R, Moreno J, Stoeckli-Evans H. Protonation and Zn(II) complexation with versatile valine and glycylglycine N-pyrimidines derivatives: crystal structures of layered {[Zn(HL1)2]·2H2O}n and [Zn(HL2)2(H2O)4]. Inorganica Chim Acta 2004. [DOI: 10.1016/j.ica.2003.12.039] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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12
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López-Garzón R, Arranz-Mascarós P, Godino-Salido M, Gutiérrez-Valero M, Cuesta R, Moreno J. Bifunctional pyrimidine-amino-acid ligands: solution study and crystal structure of a Mn(II) chain alternating six- and sevenfold coordination environments. Inorganica Chim Acta 2003. [DOI: 10.1016/s0020-1693(03)00343-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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13
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Affiliation(s)
- R Cuesta
- Department of Microbiology, New York University School of Medicine, New York, New York 10016, USA
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14
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Cuesta R, Arranz-Mascarós P, Low JN, Glidewell C. [6-Amino-3-methyl-5-nitrosopyrimidine-2,4(1H,3H)-dionato]-sodium dihydrate at 150 K: coordination-polymer ladders linked by hydrogen bonds. Acta Crystallogr C 2001; 57:918-21. [PMID: 11498612 DOI: 10.1107/s010827010100720x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2001] [Accepted: 04/30/2001] [Indexed: 11/11/2022] Open
Abstract
In the title compound, [Na(C(5)H(5)N(4)O(3))].2H(2)O, each Na cation is linked to three C(5)H(4)N(4)O(3)(-) anions and two water molecules, forming approximately octahedral NaNO(5) units; the cations and the anions form molecular ladders, and each ladder is linked to four neighbouring ladders by O-H...O and O-H...N hydrogen bonds.
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Affiliation(s)
- R Cuesta
- Departamento de Química Inorgánica y Orgánica, EUP de Linares, Universidad de Jaén, 23700 Linares (Jaén), Spain
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15
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Abstract
Translation of cellular mRNAs involves formation of a cap-binding translation initiation complex known as eIF4F, containing phosphorylated cap-binding protein eIF4E, eIF4E kinase Mnk1, eIF4A, poly(A)-binding protein and eIF4G. Adenovirus is shown to prevent cellular translation by displacing Mnk1 from eIF4F, thereby blocking phosphorylation of eIF4E. Over expression of an eIF4E mutant that cannot be phosphorylated by Mnk1 impairs translation of cellular but not viral late mRNAs. Adenovirus 100k protein is shown to bind the C-terminus of eIF4G in vivo and in vitro, the same region bound by Mnk1. In vivo, 100k protein displaces Mnk1 from eIF4G during adenovirus infection, or in transfected cells. Purified 100k protein also evicts Mnk1 from isolated eIF4F complexes in vitro. A mutant adenovirus with a temperature-sensitive 100k protein that cannot inhibit cellular protein synthesis at restrictive temperature no longer blocks Mnk1 binding to eIF4G, or phosphorylation of eIF4E. We describe a mechanism whereby adenovirus selectively inhibits the translation of cellular but not viral mRNAs by displacement of Mnk1 from eIF4G and inhibition of eIF4E phosphorylation.
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Affiliation(s)
- R Cuesta
- Department of Microbiology, New York University School of Medicine, 550 First Avenue, New York, NY 10016, USA
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16
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Cuesta R, Laroia G, Schneider RJ. Chaperone hsp27 inhibits translation during heat shock by binding eIF4G and facilitating dissociation of cap-initiation complexes. Genes Dev 2000; 14:1460-70. [PMID: 10859165 PMCID: PMC316692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Inhibition of protein synthesis during heat shock limits accumulation of unfolded proteins that might damage eukaryotic cells. We demonstrate that chaperone Hsp27 is a heat shock-induced inhibitor of cellular protein synthesis. Translation of most mRNAs requires formation of a cap-binding initiation complex known as eIF4F, consisting of factors eIF4E, eIF4A, eIF4E kinase Mnk1, poly(A)-binding protein, and adaptor protein eIF4G. Hsp27 specifically bound eIF4G during heat shock, preventing assembly of the cap-initiation/eIF4F complex and trapping eIF4G in insoluble heat shock granules. eIF4G is a specific target of Hsp27, as eIF4E, eIF4A, Mnk1, poly(A)-binding protein, eIF4B, and eIF3 were not bound by Hsp27 and were not recruited into insoluble complexes. Dissociation of eIF4F was enhanced during heat shock by ectopic overexpression of Hsp25, the murine homolog of human Hsp27. Overexpression of Hsc70, a constitutive homolog of Hsp70, prevented loss of cap-initiation complexes and maintained eIF4G solubility. Purified Hsp27 specifically bound purified eIF4G in vitro, prevented in vitro translation, eliminated eIF4G interaction with protein binding factors, and promoted eIF4G insolubilization. These results therefore demonstrate that Hsp27 is a heat-induced inhibitor of eIF4F-dependent mRNA translation.
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Affiliation(s)
- R Cuesta
- Department of Microbiology, New York University School of Medicine and Kaplan Cancer Center, New York, New York 10016 USA
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17
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Arranz-Mascarós P, Godino ML, López R, Cuesta R, Valenzuela-Calahorro C, Martín-Ramos D. Hexaaquazinc(II) bis[N-(4-amino-1-methyl-5-nitroso-6-oxo-1,6-dihydropyrimidin-2-yl)glycinate] dihydrate. Acta Crystallogr C 1999. [DOI: 10.1107/s0108270199009518] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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18
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Calvo O, Cuesta R, Anderson J, Gutiérrez N, García-Barrio MT, Hinnebusch AG, Tamame M. GCD14p, a repressor of GCN4 translation, cooperates with Gcd10p and Lhp1p in the maturation of initiator methionyl-tRNA in Saccharomyces cerevisiae. Mol Cell Biol 1999; 19:4167-81. [PMID: 10330157 PMCID: PMC104376 DOI: 10.1128/mcb.19.6.4167] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Gcd10p and Gcd14p were first identified genetically as repressors of GCN4 mRNA translation in Saccharomyces cerevisiae. Recent findings indicate that Gcd10p and Gcd14p reside in a nuclear complex required for the presence of 1-methyladenosine in tRNAs. Here we show that Gcd14p is an essential protein with predicted binding motifs for S-adenosylmethionine, consistent with a direct function in tRNA methylation. Two different gcd14 mutants exhibit defects in cell growth and accumulate high levels of initiator methionyl-tRNA (tRNAiMet) precursors containing 5' and 3' extensions, suggesting a defect in processing of the primary transcript. Dosage suppressors of gcd10 mutations, encoding tRNAiMet (hcIMT1 to hcIMT4; hc indicates that the gene is carried on a high-copy-number plasmid) or a homologue of human La protein implicated in tRNA 3'-end formation (hcLHP1), also suppressed gcd14 mutations. In fact, the lethality of a GCD14 deletion was suppressed by hcIMT4, indicating that the essential function of Gcd14p is required for biogenesis of tRNAiMet. A mutation in GCD10 or deletion of LHP1 exacerbated the defects in cell growth and expression of mature tRNAiMet in gcd14 mutants, consistent with functional interactions between Gcd14p, Gcd10p, and Lhp1p in vivo. Surprisingly, the amounts of NME1 and RPR1, the RNA components of RNases P and MRP, were substantially lower in gcd14 lhp1::LEU2 double mutants than in the corresponding single mutants, whereas 5S rRNA was present at wild-type levels. Our findings suggest that Gcd14p and Lhp1p cooperate in the maturation of a subset of RNA polymerase III transcripts.
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Affiliation(s)
- O Calvo
- Instituto de Microbiología Bioquímica del CSIC/Universidad de Salamanca, 37007 Salamanca, Spain
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19
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Abstract
Cytokine and proto-oncogene messenger RNAs (mRNAs) are rapidly degraded through AU-rich elements in the 3' untranslated region. Rapid decay involves AU-rich binding protein AUF1, which complexes with heat shock proteins hsc70-hsp70, translation initiation factor eIF4G, and poly(A) binding protein. AU-rich mRNA decay is associated with displacement of eIF4G from AUF1, ubiquitination of AUF1, and degradation of AUF1 by proteasomes. Induction of hsp70 by heat shock, down-regulation of the ubiquitin-proteasome network, or inactivation of ubiquitinating enzyme E1 all result in hsp70 sequestration of AUF1 in the perinucleus-nucleus, and all three processes block decay of AU-rich mRNAs and AUF1 protein. These results link the rapid degradation of cytokine mRNAs to the ubiquitin-proteasome pathway.
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Affiliation(s)
- G Laroia
- Department of Microbiology and Biochemistry, New York University School of Medicine, New York, NY 10016, USA
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20
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Anderson J, Phan L, Cuesta R, Carlson BA, Pak M, Asano K, Björk GR, Tamame M, Hinnebusch AG. The essential Gcd10p-Gcd14p nuclear complex is required for 1-methyladenosine modification and maturation of initiator methionyl-tRNA. Genes Dev 1998; 12:3650-62. [PMID: 9851972 PMCID: PMC317256 DOI: 10.1101/gad.12.23.3650] [Citation(s) in RCA: 200] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/1998] [Accepted: 10/09/1998] [Indexed: 11/25/2022]
Abstract
Gcd10p and Gcd14p are essential proteins required for the initiation of protein synthesis and translational repression of GCN4 mRNA. The phenotypes of gcd10 mutants were suppressed by high-copy-number IMT genes, encoding initiator methionyl tRNA (tRNAiMet), or LHP1, encoding the yeast homolog of the human La autoantigen. The gcd10-504 mutation led to a reduction in steady-state levels of mature tRNAiMet, attributable to increased turnover rather than decreased synthesis of pre-tRNAiMet. Remarkably, the lethality of a GCD10 deletion was suppressed by high-copy-number IMT4, indicating that its role in expression of mature tRNAiMet is the essential function of Gcd10p. A gcd14-2 mutant also showed reduced amounts of mature tRNAiMet, but in addition, displayed a defect in pre-tRNAiMet processing. Gcd10p and Gcd14p were found to be subunits of a protein complex with prominent nuclear localization, suggesting a direct role in tRNAiMet maturation. The chromatographic behavior of elongator and initiator tRNAMet on a RPC-5 column indicated that both species are altered structurally in gcd10Delta cells, and analysis of base modifications revealed that 1-methyladenosine (m1A) is undetectable in gcd10Delta tRNA. Interestingly, gcd10 and gcd14 mutations had no effect on processing or accumulation of elongator tRNAMet, which also contains m1A at position 58, suggesting a unique requirement for this base modification in initiator maturation.
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Affiliation(s)
- J Anderson
- Laboratory of Eukaryotic Gene Regulation, National Institute of Child Health and Human Development, Bethesda, Maryland 20892 USA
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21
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Klinga M, Cuesta R, Moreno JM, Dominguez-Vera JM, Colacio E, Kivekäs R. Octakis(dimethyl sulfoxide-O)gadolinium(III) Hexacyanoferrate(III). Acta Crystallogr C 1998. [DOI: 10.1107/s0108270198004545] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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22
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Cuesta R, Hinnebusch AG, Tamame M. Identification of GCD14 and GCD15, novel genes required for translational repression of GCN4 mRNA in Saccharomyces cerevisiae. Genetics 1998; 148:1007-20. [PMID: 9539420 PMCID: PMC1460055 DOI: 10.1093/genetics/148.3.1007] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
In Saccharomyces cerevisiae, expression of the transcriptional activator GCN4 increases at the translational level in response to starvation for an amino acid. The products of multiple GCD genes are required for efficient repression of GCN4 mRNA translation under nonstarvation conditions. The majority of the known GCD genes encode subunits of the general translation initiation factor eIF-2 or eIF-2B. To identify additional initiation factors in yeast, we characterized 65 spontaneously arising Gcd- mutants. In addition to the mutations that were complemented by known GCD genes or by GCN3, we isolated mutant alleles of two new genes named GCD14 and GCD15. Recessive mutations in these two genes led to highly unregulated GCN4 expression and to derepressed transcription of genes in the histidine biosynthetic pathway under GCN4 control. The derepression of GCN4 expression in gcd14 and gcd15 mutants occurred with little or no increase in GCN4 mRNA levels, and it was dependent on upstream open reading frames (uORFs) in GCN4 mRNA that regulate its translation. We conclude that GCD14 and GCD15 are required for repression of GCN4 mRNA translation by the uORFs under conditions of amino acid sufficiency. The gcd14 and gcd15 mutations confer a slow-growth phenotype on nutrient-rich medium, and gcd15 mutations are lethal when combined with a mutation in gcd13. Like other known GCD genes, GCD14 and GCD15 are therefore probably required for general translation initiation in addition to their roles in GCN4-specific translational control.
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MESH Headings
- Alcohol Oxidoreductases
- Aminohydrolases
- Cloning, Molecular
- DNA-Binding Proteins
- Epistasis, Genetic
- Eukaryotic Initiation Factor-2/metabolism
- Eukaryotic Initiation Factor-2B
- Fungal Proteins/genetics
- Gene Deletion
- Gene Expression Regulation, Fungal
- Genes, Dominant
- Genes, Fungal
- Genes, Recessive
- Genes, Regulator
- Genetic Complementation Test
- Meiosis
- Mutagenesis
- Phenotype
- Protein Biosynthesis
- Protein Kinases/genetics
- Pyrophosphatases
- RNA, Fungal
- RNA, Messenger
- Saccharomyces cerevisiae/genetics
- Saccharomyces cerevisiae Proteins
- Transcription Factors/genetics
- Transcription, Genetic
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Affiliation(s)
- R Cuesta
- Instituto de Microbiología Bioquímica, Consejo Superior de Investigaciones Científicas/Universidad de Salamanca, Spain
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23
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Borrego Hernándo J, Guinda Sevillano C, Laguna Pes MP, Zazo A, Gimeno A, Cuesta R, Amigo A. [Retroperitoneal germinal tumor: extragonadal or burned out phenomenon of testicular primary? Presentation of a clinical case]. Actas Urol Esp 1998; 22:170-4. [PMID: 9586278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Clinical record case of a retroperitoneal seminoma with "burned-out" phenomenon in the testicular primary, in a 38 year old male with no background of interest who consults for a picture of left nephritic colic. The ipsilateral testis study detects a fibrotic area with hyalinosis and hemosiderin deposits, although there are no tumoral debris, compatible with the "burned-out" phenomenon. Management is through surgery plus a chemotherapy protocol. Discussion of the diagnostic algorithm of retroperitoneal tumours and the literature on extragonadal germinal tumours.
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Affiliation(s)
- J Borrego Hernándo
- Servicio de Urología, Hospital General La Mancha-Centro, Alcázar de San Juan, Ciudad Real
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Colacio E, Cuesta R, Moreno JM. Copper(I)-Purine-Phosphine Complexes. Syntheses and Molecular Structures of [Cu(2)(&mgr;-HL(1))(2)(&mgr;-dppm)(eta(1)-dppm)(2)] and {[Cu(3)(&mgr;(3)-Cl)(2)(&mgr;-dppm)(3)][Cu(HL(2))(2)]} (H(2)L(1) = 8-Mercaptotheophylline and H(2)L(2) = 8-Ethyl-3-methylxanthine). Inorg Chem 1997; 36:1084-1087. [PMID: 11669672 DOI: 10.1021/ic960928l] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The syntheses and molecular structures of two novel polynuclear copper(I)-purine-phosphine complexes are reported. The first one is a dinuclear [Cu(2)(&mgr;-HL(1))(2)(&mgr;-dppm)(eta(1)-dppm)(2)] complex (H(2)L(1) is 8-mercaptotheophylline). The compound crystallizes in the triclinic system, space group P&onemacr;, with cell constants a = 12.342(5) Å, b = 15.255(5) Å, c = 24.972(5) Å, alpha = 74.31(2) degrees, beta = 78.62(2) degrees, gamma = 72.51(2) degrees, and Z = 2. The structure of this complex exhibits as the most important feature the simultaneous presence of eta(1)-terminal and eta(2)-bridging dppm ligands, which is first here described for a copper complex. This complex is also of interest because of its reversible photochromic behavior in the solid state. The second compound is an ionic {[Cu(3)(&mgr;(3)-Cl)(2)(&mgr;-dppm)(3)][Cu(HL(2))(2)]} complex (H(2)L(2) is 8-ethyl-3-methylxanthine), which crystallizes in the monoclinic system, space group P2(1)/n, with cell constants a = 15.829(6) Å, b = 22.801(7) Å, c = 28.569(6) Å, beta = 97.65(4) degrees, and Z = 6. The structure of this complex consists of trinuclear copper(I) cations and mononuclear [Cu(purine)(2)](-) anions, exhibiting a linear stereochemistry. As far as we know, this compound represents the first example of a copper(I)-purine complex whose structure has been determined by X-ray crystallography.
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Affiliation(s)
- E. Colacio
- Departamento de Química Inorgánica, Facultad de Ciencias, Universidad de Granada, 18071 Granada, Spain
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Pajunen A, Kivekäs R, Colacio E, Cuesta R. (1,3-Dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-7-yl)(dimethylphenylphosphine)gold(I). Acta Crystallogr C 1995. [DOI: 10.1107/s0108270195008109] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Garcia-Barrio MT, Naranda T, Vazquez de Aldana CR, Cuesta R, Hinnebusch AG, Hershey JW, Tamame M. GCD10, a translational repressor of GCN4, is the RNA-binding subunit of eukaryotic translation initiation factor-3. Genes Dev 1995; 9:1781-96. [PMID: 7542616 DOI: 10.1101/gad.9.14.1781] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
GCN4 mRNA is translated by a reinitiation mechanism involving four short upstream open reading frames (uORFs) in its leader sequence. Decreasing the activity of eukaryotic initiation factor-2 (eIF-2) by phosphorylation inhibits general translation in yeast but stimulates GCN4 expression by allowing ribosomes to scan past the uORFs and reinitiate at GCN4 instead. GCD10 was first identified genetically as a translational repressor of GCN4. We show here that GCD10 is an essential protein of 54.6 kD that is required in vivo for the initiation of total protein synthesis. GCD10 binds RNA in vitro and we present strong biochemical evidence that it is identical to the RNA-binding subunit of yeast initiation factor-3 (eIF-3). eIF-3 is a multisubunit complex that stimulates translation initiation in vitro at several different steps. We suggest that gcd10 mutations decrease the ability of eIF-3 to stimulate binding of eIF-2/GTP/Met-tRNA(iMet) ternary complexes to small ribosomal subunits in vivo. This would explain why mutations in eIF-3 mimic eIF-2 alpha phosphorylation in allowing ribosomes to bypass the uORFs and reinitiate at GCN4. Our results indicate that GCN4 expression provides a sensitive in vivo assay for the function of eIF-3 in initiation complex formation.
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Affiliation(s)
- M T Garcia-Barrio
- Instituto de Microbiologia-Bioquimica, Consejo Superior de Investigaciones Cientificas/Universidad de Salamanca, Facultad de Biologia, Spain
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Cuesta R, Ruiz J, Moreno J, Colacio E. Synthesis and crystal structure of the μ2-{tris[bis(diphenylphosphine)methane]}-μ3-3-methyl-8- ethylxanthine-N,O,O]-μ3-chloro-triangle-tricopper(I)-water complex exhibiting a novel oxopurine coordination mode. Inorganica Chim Acta 1994. [DOI: 10.1016/0020-1693(94)04135-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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