Triplet-primed PCR is more sensitive than southern blotting-long PCR for the diagnosis of myotonic dystrophy type1.

Abstract:

:Genetic testing of myotonic dystrophy type 1 (DM1) is very important because it enables the diagnosis and indicates the severity of the disease. Mutation analysis is based on the detection of the number of CTG triplets in the 3' untranslated region of the myotonic dystrophy protein kinase (DMPK) gene. Sometimes it could be complicated by the presence of different patterns of repeat interruptions in the 5' and 3' ends of the expanded alleles recently described in about 3% to 5% of patients. To make molecular diagnosis easier and faster, the use of triplet-primed PCR (TP-PCR) for the detection of expansions in DM1 and other dynamic mutation diseases was proposed. Here we present the results of a retrospective study performed by TP-PCR on 100 subjects previously analyzed by Southern blotting-long PCR.

authors

Addis M,Serrenti M,Meloni C,Cau M,Melis MA

doi

10.1089/gtmb.2012.0218

subject

Has Abstract

pub_date

2012-12-01 00:00:00

pages

1428-31

issue

12

eissn

1945-0265

issn

1945-0257

journal_volume

16

pub_type

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