Defective minor spliceosome mRNA processing results in isolated familial growth hormone deficiency
Entity
UAM. Departamento de PediatríaPublisher
John Wiley & Sons, IncDate
2014-03-01Citation
10.1002/emmm.201303573
EMBO Molecular Medicine 6.3 (2014): 299-306
ISSN
1757-4676 (print); 1757-4684 (online)DOI
10.1002/emmm.201303573Funded 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.201303573Subjects
mRNA splicing; Pituitary hypoplasia; U12-type introns; MedicinaRights
© 2014 The AuthorsAbstract
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
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Flores, Raquel Z.
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Gutiérrez-Arumí, Armand
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Verma, Bhupendra
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Martos Moreno, Gabriel Ángel
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Cuscó, I.
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Oghabian, Ali
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Chowen, Julie Ann
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Frilander, Mikko J.
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Pérez-Jurado, Luis A.
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