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Next generation sequencing
Non invasive prenatal diagnosis
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Pyrosequencing
Detection of Factor V Leiden, Factor II& MTHFR
Detection of mitochondrial mutations and estimation of mutation load
Analysis of methylation for diagnosis of Prader Willi and Angelmans Syndrome
Detection of trisomy 13,18 and 21 and sex aneuploidy for prenatal diagnosis
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Pyrosequencer
Example of a Pyrosequencing assay used for the Analysis of methylation for diagnosis of Prader Willi and Angelmans Syndrome
PCR Amplicon for the analysis of
CpG
sites G-J of the SNRPN gene as quoted in Zeschnigk et al.
Human Molecular Genetics Vol6 387-395
Forward PCR primer:
5´-AGG GAG TTG GGA TTT
TTG TAT T
Reverse PCR primer:
Biotin-5´-CCC CAA ACT ATC TCT TAA AAA AAA C
Sequencing primer:
5´-GTA GAG GTA GGT TGG
(CpG sites G-J)
T
is control for bisulfite treatment
Example pyrograms:
* PCR amplification bias for unmethylated allele
Last Updated: 7 August, 2008 by G. Watkins
© 2006 National Genetics Reference Laboratory (Wessex), Salisbury District Hospital, Salisbury SP2 8BJ; Tel: +44 (0)1722 429080;
E-mail:ncpc@soton.ac.uk