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罕见Down-Turner双重综合征的遗传学研究 被引量:1

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摘要 目的对1例复杂染色体核型的DownTurner双重综合征进行分子细胞遗传学分析,以指导临床遗传咨询和诊断。方法在常规染色体核型分析的基础上,结合荧光原位杂交技术并进行家系遗传分析。结果1例Down-Turner双重综合征患儿染色体核型确诊为46,X,+mar. ish i(14 or 22)(p10)(D14Z1/D22Z1+)[32]/47,X,der(X)t(X;21) (p22.3;q11.2),+mar. ish der(X)(D21Z1+ ,Xpter-). ish i(14 or 22)(p10)(D14Z1/D22Z1+)[28],其中标记染色体来源于其母亲。结论Down-Turner双重综合征染色体核型复杂多样,有必要采用常规显带技术、荧光原位杂交技术和家族遗传分析等相结合的方法进行诊断,以便为临床遗传咨询和诊断提供精确的遗传学指导依据。
出处 《中华医学遗传学杂志》 CAS CSCD 北大核心 2013年第4期481-483,共3页 Chinese Journal of Medical Genetics
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