Current opinion in oncology · 2007
Carney complex: the first 20 years.
СтатьяОбзорНазвание и аннотация: Перевод в очереди
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Boikos Sosipatros A, Stratakis Constantine A
Аннотация
PURPOSE OF REVIEW: The purpose of this review is to comment on the current findings on Carney complex, a dominantly inherited disease and a unique multiple endocrine neoplasia syndrome.
RECENT FINDINGS: Sequencing of the PRKAR1A gene in more than 150 kindreds has revealed a number of pathogenic mutations; in more than 90% of the cases, the sequence change was predicted to lead to a premature stop codon and, thus, mutant mRNAs were subject to nonsense-mediated mRNA decay. In Carney complex syndrome cells carrying these mutations, protein kinase A activity is irregularly stimulated by cAMP. Mutations that did not lead to a premature stop codon have also been described; these were also associated with abnormal protein kinase A activity. Animal models of the disease have been recently developed; they reproduced some of the stigmata of Carney complex syndrome but not all. Genetic testing of patients' family members has been introduced in recent years, leading to early detection and a better overall prognosis.
SUMMARY: New treatments have yet to be applied; the elucidation of the molecular pathways regulated by PRKAR1A holds the promise of leading to molecularly designed therapies.
RECENT FINDINGS: Sequencing of the PRKAR1A gene in more than 150 kindreds has revealed a number of pathogenic mutations; in more than 90% of the cases, the sequence change was predicted to lead to a premature stop codon and, thus, mutant mRNAs were subject to nonsense-mediated mRNA decay. In Carney complex syndrome cells carrying these mutations, protein kinase A activity is irregularly stimulated by cAMP. Mutations that did not lead to a premature stop codon have also been described; these were also associated with abnormal protein kinase A activity. Animal models of the disease have been recently developed; they reproduced some of the stigmata of Carney complex syndrome but not all. Genetic testing of patients' family members has been introduced in recent years, leading to early detection and a better overall prognosis.
SUMMARY: New treatments have yet to be applied; the elucidation of the molecular pathways regulated by PRKAR1A holds the promise of leading to molecularly designed therapies.