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 blood

Turnover Time:

3 weeks

STATIM

3 days

Smith-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 …
Chorionic villi, Amniotic fluid, Cord blood, Isolated DNA from chorionic villi, Isolated DNA from amniotic fluid, Isolated DNA from cordocentesis, DNA isolated from cultured cells

Turnover Time:

3 weeks

STATIM

1 week

SOD1 gene testing – familial amyotrophic lateral sclerosis (ALS)

Testing for all coding exons (1, 2, 3, 4, 5) including adjacent SOD1 gene intron sequences by Sanger sequencing.

Material:

Peripheral blood, Buccal swab …
Peripheral blood, Buccal swab, Isolated DNA from blood, Cultured cells

Turnover Time:

3 weeks

STATIM

1 week

PABPN1 gene testing (exon 1) – oculopharyngeal muscular dystrophy (OPMD) – familial AD

PCR amplification and sequencing of PABPN1 gene (associated with oculopharyngeal muscular dystrophy) to detect GCG triplet expansion.

Material:

Peripheral blood, Buccal swab …
Peripheral blood, Buccal swab, Isolated DNA from blood, Isolated DNA from chorionic villi, Isolated DNA from amniotic fluid, Isolated DNA from cordocentesis, DNA isolated from the product of conception, Cultured cells

Turnover Time:

3 weeks

STATIM

1 week

MTM1 gene testing – X-linked myotubular myopathy congenital

Sequencing of 14 coding exons in the MTM1 gene.

Material:

Peripheral blood, Buccal swab …
Peripheral blood, Buccal swab, Isolated DNA from blood, Isolated DNA from chorionic villi, Isolated DNA from amniotic fluid, Isolated DNA from cordocentesis, DNA isolated from the product of conception, Cultured cells

Turnover Time:

3 weeks

STATIM

1 week

EXOSC3 gene testing – pontocerebellar hypoplasia type 1 (PCH1)

Sequencing of 1 coding exon in the EXOSC3 gene for PCH1 (pontocerebellar hypoplasia type 1).

Material:

Peripheral blood, Buccal swab …
Peripheral blood, Buccal swab, Isolated DNA from blood, Isolated DNA from chorionic villi, Isolated DNA from amniotic fluid, Isolated DNA from cordocentesis, DNA isolated from the product of conception

Turnover Time:

3 weeks

STATIM

1 week