Zhonghua yi xue za zhi · 2007
[Clinical manifestations and molecular genetics of spinal bulbar muscular atrophy: report of 5 cases].
Клинический случайАннотация на английскомСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Li Xun-Hua, Zhuang Jia-Jun, Xie Qiu-You, Li Ai-Ping, Liang Xiu-Ling, Feng Yan-Qing, Fang Ying-Ying, Li Jin-Ru, Liang Yin-Xing
Аннотация
OBJECTIVE: To study the clinical and molecular genetic characteristics of spinal bulbar muscular atrophy (SBMA).
METHODS: The clinical data, including case history, physical examination, biochemical analyses of blood, EMG, and muscle biopsy, of 5 Chinese patients with SBMA, all males, aged 29 - 58, with the onset age of 36 (17 - 49), were collected the information of in 5 cases. Four patients underwent PCR to examine the number of copies of CAG repeat region in androgen receptor (AR) gene.
RESULTS: The clinical characteristics of the 5 patients included atrophy of lingualis, dysarthria, weakness and waste of the limbs, especially in the hands, and elevated creatine kinase (CK), fasting glucose, testosterone, and progesterone in the blood. EMG showed denervation motor potentials in all cases. The muscle biopsy in one case showed neurogenic atrophy. The number of (CAG) n repeat in AR gene was 50 - 62 in the, remarkably from that of 13 normal controls (19 - 20) without overlapping.
CONCLUSION: SBMA affects the middle age males, shows a slowly progressing muscular atrophy in spinal and bulbar muscles. The different number of (CAG) n repeat of AR gene between the SBMA patients and the normal controls may be an important identification to differentiate SBMA from other motor neuron diseases.
METHODS: The clinical data, including case history, physical examination, biochemical analyses of blood, EMG, and muscle biopsy, of 5 Chinese patients with SBMA, all males, aged 29 - 58, with the onset age of 36 (17 - 49), were collected the information of in 5 cases. Four patients underwent PCR to examine the number of copies of CAG repeat region in androgen receptor (AR) gene.
RESULTS: The clinical characteristics of the 5 patients included atrophy of lingualis, dysarthria, weakness and waste of the limbs, especially in the hands, and elevated creatine kinase (CK), fasting glucose, testosterone, and progesterone in the blood. EMG showed denervation motor potentials in all cases. The muscle biopsy in one case showed neurogenic atrophy. The number of (CAG) n repeat in AR gene was 50 - 62 in the, remarkably from that of 13 normal controls (19 - 20) without overlapping.
CONCLUSION: SBMA affects the middle age males, shows a slowly progressing muscular atrophy in spinal and bulbar muscles. The different number of (CAG) n repeat of AR gene between the SBMA patients and the normal controls may be an important identification to differentiate SBMA from other motor neuron diseases.