Genetic examinations list
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Testing 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 daysCascade testing for GJB2 gene mutation (for Connexin 26) – early non-syndromic AR deafness
Testing for GJB2 gene mutations (gap junction beta 2) responsible for hereditary autosomal recessive disease, early non-syndromic disorder/hearing loss and deafness, also referred to as DFNB1.
Material:
Peripheral blood, Buccal swab …Turnover Time:
3 weeksSTATIM
1 weekAR deafness – detection of 35delG GJB2 mutation
Testing for 35delG mutation in the GJB2 gene responsible for AR hereditary, non-syndromic disorder/hearing loss (deafness).
Material:
Peripheral blood, Buccal swab …Turnover Time:
3 weeksSTATIM
3 daysStereocilin gene fragmentation analysis
Targeted testing for STRC gene deletion by QF-PCR (Stereocilin gene) responsible for hearing impairment DFNB16.
Material:
Peripheral blood, Buccal swab …Turnover Time:
3 weeksSTATIM
3 daysDetection of deletions in genes associated with hearing impairment
Testing for STRC, OTOA, CATSPER2 gene duplication/deletion by Multiplex Ligation-dependent Probe Amplification (MLPA), responsible for hearing impairment: DFNB16, DFNB22.
Material:
Peripheral blood, Buccal swab …Turnover Time:
3 weeksSTATIM
3 daysPredisposition to coeliac disease HLA-DQ2.5 (DQA1*05/DQB1*02), HLA-DQ2.2 (DQA1*02/DQB1*02), HLA-DQ8 (DQA1*03/DQB1*03:02)
Testing for predisposition to coeliac disease by real-time PCR to detect DQ2.5, DQ2.2 and DQ8 haplotypes.