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Fundacion Isabel Gemio-Fundacion La Caixa, Grant/Award Number: LCF/PR/PR16/11110018; General Subdirectorate of Evaluation and Promotion of Health Research, by European Regional Development Funds, Grant/Award Numbers: PI07/0118, PI11/01254, PI16/00573

Analysis of institutional authors

Cabrera, JavierAuthorCalvo RAuthor

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March 14, 2019
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CLINICAL AND MOLECULAR DIAGNOSIS OF NON-PMM2 N-LINKED CONGENITAL DISORDERS OF GLYCOSYLATION IN SPAIN

Publicated to:Clinical Genetics. 95 (5): 615-626 - 2019-05-01 95(5), DOI: 10.1111/cge.13508

Authors: Medrano, Celia; Vega, Ana; Navarrete, Rosa; Jesus Ecay, M; Calvo, Rocio; Ignacio Pascual, Samuel; Ruiz-Pons, Monica; Toledo, Laura; Garcia-Jimenez, Inmaculada; Arroyo, Ignacio; Campo, Andrea; Luz Couce, M; Rosario Domingo-Jimenez, M; Teresa Garcia-Silva, M; Gonzalez-Gutierrez-Solana, Luis; Hierro, Loreto; Martin-Hernandez, Elena; Martinez-Pardo, Mercedes; Roldan, Susana; Tomas, Miguel; Cabrera, Jose C; Martinez-Bugallo, Francisco; Martin-Viota, Lucia; Vitoria-Minana, Isidro; Lefeber, Dirk J; Luisa Giros, M; Serrano Gimare, Mercedes; Ugarte, Magdalena; Perez, Belen; Perez-Cerda, Celia

Affiliations

Centro de Diagnóstico de Enfermedades Moleculares, Centro de Biología Molecular, Universidad Autónoma de Madrid, CIBERER, IdiPAZ, Madrid, Spain - Author
Complejo Hosp Materno Insular, Serv Neurol Infantil, Las Palmas Gran Canaria, Spain - Author
Department of Neurology, Radboud University Medical Centre, Nijmegen, Netherlands - Author
Hosp Clin Barcelona, IDIBAPS, Serv Bioquim & Genet Mol, Seccio Errors Congenits Metab IBC,CIBERER, Barcelona, Spain - Author
Hosp Clin Univ Santiago, IDIS, CIBERER, Unidad Enfermedades Metabol, Santiago De Compostela, Spain - Author
Hosp Clin Univ Virgen Arrixaca, Secc Neuropediatria, IMIB Arrixaca, CIBERER, Murcia, Spain - Author
Hosp San Pedro Alcantara, Serv Neonatol, Caceres, Spain - Author
Hosp Univ Carlos Haya, Serv Neuropediat, Malaga, Spain - Author
Hosp Univ La Fe, Serv Neuropediat, Valencia, Spain - Author
Hosp Univ La Fe, Unidad Nutr & Metabolopatias, Valencia, Spain - Author
Hosp Univ La Paz, Serv Hepatol, Madrid, Spain - Author
Hosp Univ La Paz, Serv Neuropediat, Madrid, Spain - Author
Hosp Univ Miguel Servet, Unidad Enfermedades Metabol, Zaragoza, Spain - Author
Hosp Univ Nino Jesus, Serv Neuropediat, CIBERER, Madrid, Spain - Author
Hosp Univ Nuestra senora Candelaria, Serv Neuropediat, Santa Cruz De Tenerife, Spain - Author
Hosp Univ Nuestra Senora Candelaria, Serv Pediat, Santa Cruz De Tenerife, CA, Spain - Author
Hosp Univ Nuestra Senora Candelaria, Unidad Genet, Santa Cruz De Tenerife, Spain - Author
Hosp Univ Ramon & Cajal, Unidad Enfermedades Metabol, Madrid, Spain - Author
Hosp Univ San Joan de Deu, Serv Neurol Pediat, CIBERER, Barcelona, Spain - Author
Hosp Univ Virgen Nieves, Serv Neuropediat, Granada, Spain - Author
Hosp Virgen Macarena, Serv Neuropediat, Seville, Spain - Author
Radboud Univ Nijmegen, Med Ctr, Dept Neurol, Nijmegen, Netherlands - Author
Secció d'Errors Congènits del Metabolisme – IBC, Servei de Bioquímica i Genètica Molecular, Hospital Clínic, IDIBAPS, CIBERER, Barcelona, Spain - Author
Sección de Neuropediatría, Hospital Clínico Universitario Virgen de la Arrixaca, IMIB-Arrixaca, CIBERER, Murcia, Spain - Author
Servicio de Hepatología, Hospital Universitario La Paz, Madrid, Spain - Author
Servicio de Neonatología, Hospital San Pedro de Alcántara, Cáceres, Spain - Author
Servicio de Neurología Infantil, Complejo Hospitalario Materno Insular, Las Palmas de Gran Canaria, Spain - Author
Servicio de Neurología Pediátrica, Hospital Universitario San Joan de Deu, CIBERER, Barcelona, Spain - Author
Servicio de Neuropediatría, Hospital Universitario La Fe, Valencia, Spain - Author
Servicio de Neuropediatría, Hospital Universitario Niño Jesús, CIBERER, Madrid, Spain - Author
Servicio de Neuropediatría, Hospital Universitario Nuestra señora de la Candelaria, Santa Cruz de Tenerife, Spain - Author
Servicio de Neuropediatría, Hospital Universitario Virgen de la Nieves, Granada, Spain - Author
Servicio de Neuropediatría, Hospital Virgen de la Macarena, Sevilla, Spain - Author
Servicio de Pediatría, Hospital Universitario Nuestra Señora de la Candelaria, Santa Cruz de Tenerife, Spain - Author
Servicio Neuropediatría, Hospital Universitario Carlos Haya, Málaga, Spain - Author
Servicio Neuropediatría, Hospital Universitario La Paz, Madrid, Spain - Author
Unidad de Enfermedades Metabólica, Hospital Universitario Miguel Servet, Zaragoza, Spain - Author
Unidad de Enfermedades Metabólicas, Hospital Clínico Universitario de Santiago, IDIS, CIBERER, Santiago de Compostela, Spain - Author
Unidad de Enfermedades Metabólicas, Hospital Universitario Ramón y Cajal, Madrid, Spain - Author
Unidad de Enfermedades Mitocondriales y Enfermedades Metabólica Hereditarias, Hospital Universitario Doce de Octubre, Universidad Complutense, Madrid, Spain - Author
Unidad de Genética, Hospital Universitario Nuestra Señora de la Candelaria, Santa Cruz de Tenerife, Spain - Author
Unidad de Nutrición y Metabolopatías, Hospital Universitario La Fé, Valencia, Spain - Author
Univ Autonoma Madrid, CIBERER, IdiPAZ, Ctr Diagnost Enfermedades Mol,Ctr Biol Mol, Madrid, Spain - Author
Univ Complutense, Hosp Univ Doce Octubre, Unidad Enfermedades Mitocondri & Enfermedades Met, Madrid, Spain - Author
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Abstract

The congenital disorders of glycosylation (CDG) are defects in glycoprotein and glycolipid glycan synthesis and attachment. They affect multiple organ/systems but non-specific symptoms render the diagnosis of the different CDG very challenging. PMM2-CDG is the most common CDG, but advances in genetic analysis have shown others to occur more commonly than previously thought. The present work reports the clinical and mutational spectrum of 25 non-PMM2 CDG patients. The most common clinical symptoms were hypotonia (80%), motor or psychomotor disability (80%) and craniofacial dysmorphism (76%). Based on their serum transferrin isoform profile eighteen were classified as CDG-I and seven as CDG-II. Pathogenic variations were found in 16 genes (ALG1, ALG6, ATP6V0A2, B4GALT1, CCDC115, COG7, DOLK, DPAGT1, DPM1, GFPT1, MPI, PGM1, RFT1, SLC35A2, SRD5A3, SSR4). Overall, 27 variants were identified, 12 of which are novel. The results highlight the importance of combining genetic and biochemical analyses for the early diagnosis of this heterogeneous group of disorders. This article is protected by copyright. All rights reserved.This article is protected by copyright. All rights reserved.

Keywords

CdgCongenital disorders of glycosylationNext generation sequencingNext-generation sequencingNon pmm2-cdgNon-pmm2-cdgSerum transferrin

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Clinical Genetics due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2019, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Genetics.

From a relative perspective, and based on the normalized impact indicator calculated from World Citations provided by WoS (ESI, Clarivate), it yields a value for the citation normalization relative to the expected citation rate of: 1.17. This indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: ESI Nov 14, 2024)

This information is reinforced by other indicators of the same type, which, although dynamic over time and dependent on the set of average global citations at the time of their calculation, consistently position the work at some point among the top 50% most cited in its field:

  • Weighted Average of Normalized Impact by the Scopus agency: 1.17 (source consulted: FECYT Feb 2024)
  • Field Citation Ratio (FCR) from Dimensions: 10.02 (source consulted: Dimensions Jul 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-07-16, the following number of citations:

  • WoS: 27
  • Scopus: 32
  • Europe PMC: 15

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-07-16:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 37.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 39 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 1.5.
  • The number of mentions on the social network X (formerly Twitter): 2 (Altmetric).

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Netherlands.