Introduction: Glycogen storage disease type VI (GSD VI) is a disorder of glycogen metabolism due to mutations in the gene. Patients with GSD VI usually present with hepatomegaly, recurrent hypoglycemia, and short stature.
Results: We report on two non-related Turkish patients with a novel homozygous splice site variant, c.345G>A, which was shown to lead to exon 2 skipping of the PYGL-mRNA by exome and transcriptome analysis. According to an in silico analysis, deletion Arg82_Gln115del is predicted to impair protein stability and possibly AMP binding.
Conclusion: GSD VI is a possibly underdiagnosed disorder, and in the era of next generation sequencing, more and more patients with variants of unknown significance in the -gene will be identified. Techniques, such as transcriptome analysis, are important tools to confirm the pathogenicity and to determine therapeutic measures based on genetic results.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7998545 | PMC |
http://dx.doi.org/10.3390/diagnostics11030500 | DOI Listing |
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