Whole-genome sequencing for optimized patient management.

Whole-genome sequencing for optimized patient management.
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DOI:
10.1126/scitranslmed.3002243
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发表时间:
2011-06-15
影响因子:
17.1
通讯作者:
Gibbs RA
Gibbs RA
中科院分区:
医学1区
文献类型:
--
作者:
Bainbridge MN;Wiszniewski W;Murdock DR;Friedman J;Gonzaga-Jauregui C;Newsham I;Reid JG;Fink JK;Morgan MB;Gingras MC;Muzny DM;Hoang LD;Yousaf S;Lupski JR;Gibbs RA

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Whole-genome sequencing of patient DNA can facilitate diagnosis of a disease, but its potential for guiding treatment has been under-realized. We interrogated the complete genome sequences of a 14-year-old fraternal twin pair diagnosed with dopa (3,4-dihydroxyphenylalanine)–responsive dystonia (DRD; Mendelian Inheritance in Man #128230). DRD is a genetically heterogeneous and clinically complex movement disorder that is usually treated with l-dopa, a precursor of the neurotransmitter dopamine. Whole-genome sequencing identified compound heterozygous mutations in the SPR gene encoding sepiapterin reductase. Disruption of SPR causes a decrease in tetrahydrobiopterin, a cofactor required for the hydroxylase enzymes that synthesize the neurotransmitters dopamine and serotonin. Supplementation of l-dopa therapy with 5-hydroxytryptophan, a serotonin precursor, resulted in clinical improvements in both twins.
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