Duchenne muscular dystrophy usually affects males. However. females are also affected in rare instances. Approximately 8% of female Duchenne muscular dystrophy (DMD) carriers are manifesting carriers and have muscle weakness to some extent. We investigated the clinical features of 3 female patients with dystrophinopathy diagnosed by clinical. pathological, and genetic studies at our neuromuscular disease clinic. The onset age of manifesting symptoms varied (8-28 years). Muscle weakness grade varied as follows: patient 1 showed asymmetrical bilateral proximal upper and lower extremities weakness, patient 2 showed asymmetrical bilateral upper extremities weakness similar to scapulohumoral muscular dystrophy, and patient 3 had only bilateral asymmetric proximal lower extremities weakness. Two patients had familial histories of DMD (their sons were diagnosed with DMD), but the 1 remaining patient had no familial history of DMD. The serum creatine kinase level was elevated in all patients. but it was not correlated with muscular weakness. An electromyography study showed findings of myopathy in all patients. One patient was diagnosed with a DMD carrier by a muscle biopsy with an immunohistochemical stain (dystrophin). The remaining 2 patients with familial history of DMD were diagnosed by multiplex ligation-dependent probe amplification (MLPA). There were inconsistent clinical features in the female carriers. An immunohistochemical analysis of dystrophin could be useful for female carrier patients. Also, multiplex ligation-dependent probe amplification is essential for the diagnosis of a manifesting female carrier DMD in female myopathic patients because conventional multiplex PCR could not detect the duplication and is less accurate compared to MLPA.
Changhwan Kim ,Dong-Gyu Kim ,Sung-Hoon Park ,Yong Il Hwang ,Seung Hun Jang ,Cheol Hong Kim ,Ki-Suck Jung ,Kwangseon Min ,Jae Woong Lee ,Young Sook Jang
So Yeon Lim ,Cho Rom Ham ,So Young Park ,Suhyun Kim ,Maeng Real Park ,Kyeongman Jeon ,Sang-Won Um ,Man Pyo Chung ,Hojoong Kim ,O Jung Kwon ,Gee Young Suh
Jae Seung Chung ,Han Yong Choi ,Hae-Ryoung Song ,Seok-Soo Byun ,Seong Il Seo ,Cheryn Song ,Jin Seon Cho ,Sang Eun Lee ,Hanjong Ahn ,Eun Sik Lee ,Tae-Kon Hwang ,Wun-Jae Kim ,Moon Kee Chung ,Tae Young Jung ,Ho Song Yu ,Young Deuk Choi
대표어
한국학술지인용색인(NRF)
