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Screening for Copy ...
Screening for Copy Number Alterations in Loci Associated With Autism Spectrum Disorders by Two-Color Multiplex Ligation-Dependent Probe Amplification
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- Bremer, Anna (author)
- Karolinska Institutet
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- Giacobini, MaiBritt (author)
- Karolinska Institutet
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- Nordenskjold, Magnus (author)
- Karolinska Institutet
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Brondum-Nielsen, Karen (author)
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- Mansouri, Mahmoud (author)
- Uppsala universitet,Institutionen för genetik och patologi
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- Dahl, Niklas (author)
- Uppsala universitet,Institutionen för genetik och patologi
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- Anderlid, BrittMarie (author)
- Karolinska Institutet
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- Schoumans, Jacqueline (author)
- Karolinska Institutet
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(creator_code:org_t)
- Wiley, 2010
- 2010
- English.
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In: American journal of medical genetics. Part B, Neuropsychiatric genetics. - : Wiley. - 1552-4841 .- 1552-485X. ; 153B:1, s. 280-285
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- The autism spectrum disorder (ASD) is a heterogenous condition characterized by impaired socialization and communication in association with stereotypic behaviors. ASD is highly heritable and heterogeneous with a complex genetic etiology. Recurrent submicroscopic deletions or duplications have been identified in a subgroup of individuals with ASD using array technology. Adequate genetic testing for these genomic imbalances have not yet been widely implemented in the diagnostic setting due to lack of feasible and cost-effective methods as well as difficulties to interpret the clinical significance of these small copy number variants (CNVs). We developed a multiplex ligation-dependent probe amplification (MLPA) assay to investigate its usefulness for detection of copy number alterations (CNAs) in autistic patients. This test proved to be easy to perform, fast, cost-effective, and suitable for reliable detection of multiple loci in a single reaction. We screened 148 autistic patients for 15 different loci covering 26 genes and found a 15q11-13 interstitial duplication that had escaped detection by conventional karyotyping in 1.3% of the patients. Synthetic probe MLPA allows for a flexible analysis of a continuously increasing number of CNAs associated with autism. Our result show that MLPA assay is an easy and cost-effective method for the identification of selected CNAs in diagnostic laboratories. (C) 2009 Wiley-Liss, Inc.
Keyword
- autism spectrum disorders (ASD)
- multiplex ligation-dependent probe amplification (MLPA)
- copy number alteration (CNA)
- 15q11-13 duplication
- CNV
- MEDICINE
- MEDICIN
Publication and Content Type
- ref (subject category)
- art (subject category)
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