Table 1.

Molecular Genetic Testing Used in NOTCH3-Related Lateral Meningocele Syndrome (LMS)

Gene 1MethodProportion of Probands with a Pathogenic Variant 2 Detectable by Method
NOTCH3 Sequence analysis 311/11 4
Gene-targeted deletion/duplication analysis 5Unknown 6
1.

See Table A. Genes and Databases for chromosome locus and protein.

2.

See Molecular Genetics for information on variants detected in this gene.

3.

Sequence analysis detects variants that are benign, likely benign, of uncertain significance, likely pathogenic, or pathogenic. Variants may include small intragenic deletions/insertions and missense, nonsense, and splice site variants; typically, exon or whole-gene deletions/duplications are not detected. For issues to consider in interpretation of sequence analysis results, click here.

4.
5.

Gene-targeted deletion/duplication analysis detects intragenic deletions or duplications. Methods used may include a range of techniques such as quantitative PCR, long-range PCR, multiplex ligation-dependent probe amplification (MLPA), and a gene-targeted microarray designed to detect single-exon deletions or duplications.

6.

No data on detection rate of gene-targeted deletion/duplication analysis are available.

From: NOTCH3-Related Lateral Meningocele Syndrome

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