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

PGT-M direct embryo sequencing

Testing for the presence of a known mutation in an embryo originating from one parent using (Sanger) sequencing of a specific region. Can only be done in conjunction with the PGT-M karyomapping method.

Material:

Trophectoderm, Amplified DNA from the trophectoderm

Turnover Time:

4 weeks

STATIM

2 weeks

Cascade prenatal testing (by QF-PCR, array) excluding maternal contamination

Cascade aneuploidy testing of material after invasive prenatal examination using QF-PCR and array methods, excluding maternal contamination. This can be supplemented by foetal karyotyping, if necessary.

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

QF-PCR aneuploidy testing of chromosomes 13, 18, 21, X and Y

Rapid diagnostic testing of prenatal samples is used to determine aneuploidy of chromosomes 13, 18, 21 and sex chromosomes by QF-PCR.

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

STATIM

2 days

Testing for maternal contamination

Testing of maternal contamination of material after collection by invasive techniques, using QF-PCR.

Material:

Peripheral blood, Isolated DNA from blood

STATIM

2 days

QF-PCR gender testing

Testing for sex chromosomes X and Y by QF-PCR.

Material:

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

Turnover Time:

3 weeks

STATIM

1 week