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Combined pituitary hormone deficiency (CPHD) due to a complete PROP1 deletion

Abrão, M. G. ; Leite, M. V. ; Carvalho, L. R. ; Billerbeck, A. E. C. ; Nishi, M. Y. ; Barbosa, A. S. ; Martin, R. M. ; Arnhold, I. J. P. ; Mendonca, B. B.

Clinical endocrinology (Oxford), 2006-09, Vol.65 (3), p.294-300 [Periódico revisado por pares]

Oxford, UK: Blackwell Publishing Ltd

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Título:
Combined pituitary hormone deficiency (CPHD) due to a complete PROP1 deletion
Autor: Abrão, M. G. ; Leite, M. V. ; Carvalho, L. R. ; Billerbeck, A. E. C. ; Nishi, M. Y. ; Barbosa, A. S. ; Martin, R. M. ; Arnhold, I. J. P. ; Mendonca, B. B.
Assuntos: Adolescent ; Biological and medical sciences ; Blotting, Southern ; Consanguinity ; Dwarfism, Pituitary - genetics ; Dwarfism, Pituitary - pathology ; Endocrinopathies ; Female ; Fundamental and applied biological sciences. Psychology ; Gene Deletion ; Homeodomain Proteins - genetics ; Homozygote ; Humans ; Hypopituitarism - genetics ; Hypopituitarism - pathology ; Hypothalamus. Hypophysis. Epiphysis (diseases) ; Male ; Medical sciences ; Non tumoral diseases. Target tissue resistance. Benign neoplasms ; Pituitary Gland, Anterior - pathology ; Siblings ; Vertebrates: endocrinology
É parte de: Clinical endocrinology (Oxford), 2006-09, Vol.65 (3), p.294-300
Notas: ArticleID:CEN2592
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ObjectType-Case Study-3
SourceType-Scholarly Journals-1
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ObjectType-Review-1
ObjectType-Feature-5
ObjectType-Report-2
ObjectType-Article-4
Descrição: Summary Objective PROP1 mutations are the most common cause of genetic combined pituitary hormone deficiency (CPHD). The aim of this study was to investigate the PROP1 gene in two siblings with CPHD. Design Pituitary function and imaging assessment and molecular analysis of PROP1. Patients Two siblings, born to consanguineous parents, presented with GH deficiency associated with other pituitary hormone deficiencies (TSH, PRL and gonadotrophins). The male sibling also had an evolving cortisol deficiency. Methods Pituitary size was evaluated by magnetic resonance imaging (MRI). PROP1 gene analysis was performed by polymerase chain reaction (PCR), automatic sequencing and Southern blotting. Amplification of sequence tag sites (STS) and the Q8N6H0 gene flanking PROP1 were performed to define the extension of PROP1 deletion. Results MRI revealed a hypoplastic anterior pituitary in the girl at 14 years and pituitary enlargement in the boy at 18 years. The PROP1 gene failed to amplify in both siblings, whereas other genes were amplified. Southern blotting analysis revealed the PROP1 band in the controls and confirmed complete PROP1 deletion in both siblings. The extension of the deletion was 18·4 kb. The region flanking PROP1 contains several Alu core sequences that might have facilitated stem–loop‐mediated excision of PROP1. Conclusions We report here a complete deletion of PROP1 in two siblings with CPHD phenotype.
Editor: Oxford, UK: Blackwell Publishing Ltd
Idioma: Inglês

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Combined pituitary hormone deficiency (CPHD) due to a complete PROP1 deletion

Abrão, M. G. ; Leite, M. V. ; Carvalho, L. R. ; Billerbeck, A. E. C. ; Nishi, M. Y. ; Barbosa, A. S. ; Martin, R. M. ; Arnhold, I. J. P. ; Mendonca, B. B.

Oxford, UK: Blackwell Publishing Ltd

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