The National Institutes of Health Undiagnosed Diseases Program: insights into rare diseases

被引:225
作者
Gahl, William A. [1 ,2 ,3 ]
Markello, Thomas C. [2 ]
Toro, Camilo [1 ]
Fajardo, Karin Fuentes [1 ]
Sincan, Murat [3 ]
Gill, Fred [4 ]
Carlson-Donohoe, Hannah [3 ]
Gropman, Andrea [2 ,5 ]
Pierson, Tyler Mark [1 ,6 ]
Golas, Gretchen [2 ]
Wolfe, Lynne [1 ]
Groden, Catherine [1 ,2 ]
Godfrey, Rena [1 ]
Nehrebecky, Michele [1 ]
Wahl, Colleen [1 ]
Landis, Dennis M. D. [1 ]
Yang, Sandra [1 ,2 ]
Madeo, Anne [7 ]
Mullikin, James C. [8 ]
Boerkoel, Cornelius F. [1 ]
Tifft, Cynthia J. [1 ,2 ]
Adams, David [1 ,3 ]
机构
[1] NIH, Undiagnosed Dis Program, Bethesda, MD 20892 USA
[2] NHGRI, Off Clin Director, NIH, Bethesda, MD 20892 USA
[3] NHGRI, Med Genet Branch, NIH, Bethesda, MD 20892 USA
[4] NIH, Ctr Clin, Bethesda, MD 20892 USA
[5] Childrens Natl Med Ctr, Dept Neurol, Washington, DC 20010 USA
[6] Natl Inst Neurol Disorders & Stroke, Neurogenet Branch, NIH, Bethesda, MD USA
[7] NIH, Social & Behav Res Branch, Off Rare Dis Res, Off Director, Bethesda, MD 20892 USA
[8] NHGRI, Intramural Sequencing Ctr, NIH, Bethesda, MD 20892 USA
关键词
neurological disorders; rare disease; SNP arrays; undiagnosed disease; whole exome sequencing; PARAPLEGIN MUTATIONS; GENE;
D O I
10.1038/gim.0b013e318232a005
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
Purpose: This report describes the National Institutes of Health Undiagnosed Diseases Program, details the Program's application of genomic technology to establish diagnoses, and details the Program's success rate during its first 2 years. Methods: Each accepted study participant was extensively phenotyped. A subset of participants and selected family members (29 patients and 78 unaffected family members) was subjected to an integrated set of genomic analyses including high-density single-nucleotide polymorphism arrays and whole exome or genome analysis. Results: Of 1,191 medical records reviewed, 326 patients were accepted and 160 were admitted directly to the National Institutes of Health Clinical Center on the Undiagnosed Diseases Program service. Of those, 47% were children, 55% were females, and 53% had neurologic disorders. Diagnoses were reached on 39 participants (24%) on clinical, biochemical, pathologic, or molecular grounds; 21 diagnoses involved rare or ultra-rare diseases. Three disorders were diagnosed based on single-nucleotide polymorphism array analysis and three others using whole exome sequencing and filtering of variants. Two new disorders were discovered. Analysis of the single-nucleotide polymorphism array study cohort revealed that large stretches of homozygosity were more common in affected participants relative to controls. Conclusion: The National Institutes of Health Undiagnosed Diseases Program addresses an unmet need, i.e., the diagnosis of patients with complex, multisystem disorders. It may serve as a model for the clinical application of emerging genomic technologies and is providing insights into the characteristics of diseases that remain undiagnosed after extensive clinical workup.
引用
收藏
页码:51 / 59
页数:9
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