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Defective minor spliceosome mRNA processing results in isolated familial growth hormone deficiency

Author
Argente, Jesús; Flores, Raquel Z.; Gutiérrez-Arumí, Armand; Verma, Bhupendra; Martos Moreno, Gabriel Ángeluntranslated; Cuscó, I.; Oghabian, Ali; Chowen, Julie Ann; Frilander, Mikko J.; Pérez-Jurado, Luis A.
Entity
UAM. Departamento de Pediatría
Publisher
John Wiley & Sons, Inc
Date
2014-03-01
Citation
10.1002/emmm.201303573
EMBO Molecular Medicine 6.3 (2014): 299-306
 
 
 
ISSN
1757-4676 (print); 1757-4684 (online)
DOI
10.1002/emmm.201303573
Funded by
This work was supported by the Spanish Ministry of Science and Innovation with the help of European FEDER funding (FIS PI10/0747 to JA, FIS PI10/2512 to LAPJ), the Network Centers for Biomedical Research on Obesity and Nutrition (CIBERobn) and on Rare Diseases (CIBERER) Instituto Carlos III, Fundación Endocrinología y Nutrición, and Academy of Finland and Sigrid Juselius Foundation (to MJF). Antibodies for U11/U12‐65K protein and the purified U11/U12 di‐snRNP were obtained from Dr Reinhard Lührmann (MPI Göttingen). Cell line transformation was performed at the Spanish National DNA Biobank and exome sequencing was performed at qGenomics Laboratories, S.L.
Editor's Version
http://dx.doi.org/10.1002/emmm.201303573
Subjects
mRNA splicing; Pituitary hypoplasia; U12-type introns; Medicina
URI
http://hdl.handle.net/10486/662774
Rights
© 2014 The Authors

Abstract

The molecular basis of a significant number of cases of isolated growth hormone deficiency remains unknown. We describe three sisters affected with severe isolated growth hormone deficiency and pituitary hypoplasia caused by biallelic mutations in the RNPC3 gene, which codes for a minor spliceosome protein required for U11/U12 small nuclear ribonucleoprotein (snRNP) formation and splicing of U12-type introns. We found anomalies in U11/U12 di-snRNP formation and in splicing of multiple U12-type introns in patient cells. Defective transcripts include preprohormone convertases SPCS2 and SPCS3 and actin-related ARPC5L genes, which are candidates for the somatotroph-restricted dysfunction. The reported novel mechanism for familial growth hormone deficiency demonstrates that general mRNA processing defects of the minor spliceosome can lead to very narrow tissue-specific consequences
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Google™ Scholar:Argente, Jesús - Flores, Raquel Z. - Gutiérrez-Arumí, Armand - Verma, Bhupendra - Martos Moreno, Gabriel Ángel - Cuscó, I. - Oghabian, Ali - Chowen, Julie Ann - Frilander, Mikko J. - Pérez-Jurado, Luis A.

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  • Producción científica en acceso abierto de la UAM [14411]

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Universidad Autónoma de Madrid. Biblioteca
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