Genetic examinations list

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Uniparental foetal disomy

Preimplantation genetic testing aimed at demonstrating that for each pair of chromosomes, one chromosome from the father and one from the mother is present in an embryo or foetus sample.

Material:

Trophectoderm, Amplified DNA from the trophectoderm

Turnover Time:

4 weeks

STATIM

2 weeks

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

Uniparental foetal disomy: invasive diagnosis

Genetic testing aimed at demonstrating that for each pair of chromosomes, one chromosome originating from the mother and one from the father is present in the foetus.

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, Cultured cells, DNA isolated from cultured cells

Turnover Time:

4 weeks

STATIM

2 weeks

SABSCAN: Non-Invasive Test for Early Pregnancy Loss

Screening of cell-free foetal DNA (cfDNA) from the blood of a pregnant woman to detect aneuploidy of sex and non-sex chromosomes of the aborted foetus.

Material:

Peripheral blood

Turnover Time:

2 weeks

STATIM

1 week

Uniparental disomy

Material:

Peripheral blood, Isolated DNA from blood

Stereocilin gene fragmentation analysis

Targeted testing for STRC gene deletion by QF-PCR (Stereocilin gene) responsible for hearing impairment DFNB16.

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, DNA isolated from cultured cells

Turnover Time:

3 weeks

STATIM

3 days