ANTICIPATION IN MYOTONIC-DYSTROPHY - A PARENTAL-SEX-RELATED PHENOMENON

被引:9
作者
DEMUNAIN, AL
BLANCO, A
EMPARANZA, JI
MASSO, JFM
COBO, A
BASAURI, B
MARTORELL, L
BAIGET, M
LAGE, JMM
机构
[1] HOSP NTRA SRA DE ARANZAZU,DEPT OPHTHALMOL,SAN SEBASTIAN,SPAIN
[2] HOSP NTRA SRA DE ARANZAZU,DEPT CLIN EPIDEMIOL,SAN SEBASTIAN,SPAIN
[3] HOSP SANTA CRUZ & SAN PABLO,MOLEC GENET UNIT,E-08025 BARCELONA,SPAIN
[4] CLIN UNIV NAVARRA,FAC MED,DEPT NEUROL & NEUROSURG,PAMPLONA,SPAIN
关键词
MYOTONIC DYSTROPHY; ANTICIPATION; SEX-RELATED GENETIC EFFECT;
D O I
10.1159/000110362
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
We report anticipation in an extensive sample of myotonic dystrophy (MyD) kindreds taken from an epidemiological survey recently conducted in Guipuzcoa, Spain. Analysis of the parent-child pairs ascertained showed a mean anticipation of 2.86 decades (range 0-6). Greater anticipation occurred when the transmissor parent was the mother. These results suggest a possible sex-related effect in the transmission of the MyD gene, and are in agreement with recent discoveries at the molecular level.
引用
收藏
页码:75 / 78
页数:4
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