Genetics in medicine : official journal of the American College of Medical Genetics · 2012
Lifting the lid on unborn lethal Mendelian phenotypes through exome sequencing.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Shamseldin Hanan E, Swaid Abdulrahman, Alkuraya Fowzan S
Аннотация
PURPOSE: Mendelian phenotypes in humans vary from benign variants to lethal disorders. Embryonic lethal phenotypes that are similar to what has been known for a long time in mice have remained largely unknown because of the difficulty in arriving at a molecular diagnosis. The purpose of this study is to test whether next generation sequencing can reveal the underlying etiology of recurrent fetal loss.
METHODS: We hypothesized that exome sequencing combined with autozygome analysis can reveal the underlying mutation in a family in which recurrent fetal loss was likely to be autosomal recessive in origin.
RESULTS: A novel mutation in CHRNA1 was identified. This gene is known to cause multiple pterygium and fetal akinesia syndrome.
CONCLUSION: This is the first report of exome sequencing to identify the cause of recurrent fetal loss and reveal the diagnosis of a lethal human phenotype. Our results should inspire a systematic examination of the extent of "unborn" Mendelian phenotypes in humans using next-generation sequencing.
METHODS: We hypothesized that exome sequencing combined with autozygome analysis can reveal the underlying mutation in a family in which recurrent fetal loss was likely to be autosomal recessive in origin.
RESULTS: A novel mutation in CHRNA1 was identified. This gene is known to cause multiple pterygium and fetal akinesia syndrome.
CONCLUSION: This is the first report of exome sequencing to identify the cause of recurrent fetal loss and reveal the diagnosis of a lethal human phenotype. Our results should inspire a systematic examination of the extent of "unborn" Mendelian phenotypes in humans using next-generation sequencing.