Clinical and genetic analysis of three pedigrees affected with myotonic dystrophy / 中华医学遗传学杂志
Chinese Journal of Medical Genetics
;
(6): 175-178, 2018.
Article
in Chinese
| WPRIM
| ID: wpr-687984
ABSTRACT
<p><b>OBJECTIVE</b>To carry out clinical and genetic analysis for three pedigrees affected with myotonic dystrophy type 1 (DM1).</p><p><b>METHODS</b>Three probands with clinically diagnosed DM and their familial members were recruited. Clinical data of the patients including clinical manifestations, electrocardiogram (ECG), and electromyogram (EEG) was collected.</p><p><b>RESULTS</b>The clinical symptoms of all probands have progressed slowly and included myotonia, muscle weakness and muscle atrophy as the main manifestations. Disorders of other systems have included cataract, arrhythmia, alopecia, sexual dysfunction, and cognitive impairment. The EEG of the probands showed characteristic myotonia discharges. Genetic analysis revealed over 50 CTG repeats at the 3' end of the DMPK gene in all three probands.</p><p><b>CONCLUSION</b>DM1 is a complex hereditary disorder involving multiple systems and overlaps with other diseases. In addition to clinical symptoms and EEG, genetic testing can facilitate its diagnosis at early stages.</p>
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Pedigree
/
Genetic Testing
/
Electrocardiography
/
Electroencephalography
/
Genetics
/
Myotonic Dystrophy
Type of study:
Prognostic study
Limits:
Adult
/
Female
/
Humans
/
Male
Language:
Chinese
Journal:
Chinese Journal of Medical Genetics
Year:
2018
Type:
Article
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