Mitochondrial Copy Number and D-Loop Variants in Pompe Patients
Author(s):
Abstract:
Objective
Pompe disease is a rare neuromuscular genetic disorder and is classified into two forms of early and late-onset. Over the past two decades, mitochondrial abnormalities have been recognized as an important contributor to an array of neuromuscular diseases. We therefore aimed to compare mitochondrial copy number and mitochondrial displacement-loop sequence variation in infantile and adult Pompe patients.Materials And Methods
In this retrospective study, the mitochondrial D-loop sequence was analyzed by polymerase chain reaction (PCR) and direct sequencing to detect possible variation in 28 Pompe patients (17 infants and 11 adults). Results were compared with 100 healthy controls and sequences of all individuals were compared with the Cambridge reference sequence. Real-time PCR was used to quantify mitochondrial DNA copy number.Results
Among 59 variants identified, 37(62.71%) were present in the infant group, 14(23.333%) in the adult group and 8(13.333%) in both groups. Mitochondrial copy number in infant patients was lower than adults (PConclusion
The 317-318 ins CCC was detected as a new mitochondrial variant in Pompe patients.Keywords:
Pompe , Mitochondrial DNA , D , Loop , Copy Number
Language:
English
Published:
Cell Journal (Yakhteh), Volume:18 Issue: 3, Autumn 2016
Page:
405
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