Genetic examinations list
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Spinal muscular atrophy – determination of copy number of exon 7 and 8 in the SMN1 gene
Examination of SMN1 and SMN2 genes associated with spinal muscular atrophy (SMA) by MLPA method. This concerns an autosomal recessive disease that is most often associated with homozygous deletion of exon 7 in the SMN1 gene (almost 95% of all patients with SMA).
Material:
Peripheral blood, Isolated DNA from bloodTurnover Time:
3 weeksSTATIM
3 daysTesting for maternal contamination
Testing of maternal contamination of material after collection by invasive techniques, using QF-PCR.
Material:
Peripheral blood, Isolated DNA from bloodSTATIM
2 daysSmith-Lemli-Opitz syndrome – detection of the 3 most common mutations in the DHCR7 gene (p.Trp151Ter, p.Val326Leu and c.964-1G>C)
Screening of the 3 most common DHCR7 gene mutations: c.452G>A (p.Trp151Ter), c.976G>T (p.Val326Leu), c.964-1G>C (IVS8-1G>C) using Sanger sequencing, which represent about 81% of all mutations in patients with SLOS (Smith-Lemli-Opitz syndrome, OMIM 270400).
Material:
Chorionic villi, Amniotic fluid …Turnover Time:
3 weeksSTATIM
1 weekTesting for maternal contamination of the conception
Testing for maternal contamination of aborted foetal tissue by QF-PCR.
Material:
Peripheral blood, Buccal swab …Turnover Time:
3 weeksTesting for the most common NBN (NBS1) gene mutation – Nijmegen breakage syndrome, primary microcephaly
Testing for the most common c.511A>G (p.Ile171Val), c.643C>T (p.Arg215Trp) and c.657_661delACAAA (p.Lys219Asnfs*16) mutations in the NBN gene (NBS1) responsible for Nijmegen breakage syndrome by Sanger sequencing.
Material:
Peripheral blood, Buccal swab …Turnover Time:
3 weeksSTATIM
3 daysTesting for the most common CHRNE gene mutation (exons 11 and 12, 1267delG mutation) – congenital myasthenic syndrome (CMS)
Testing for the most common CHRNE gene mutations (exons 11 and 12, 1267delG mutation) especially in the Roma ethnic group, associated with congenital myasthenic syndrome (CMS), by Sanger sequencing.