甲硫氨酸腺苷转移酶Ⅰ/Ⅲ缺陷导致高甲硫氨酸血症1例

Journal of Applied Clinical Pediatrics(2019)

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Abstract
对郑州儿童医院内分泌遗传代谢科收治的1例高甲硫氨酸血症患儿的临床资料及基因结果进行回顾性分析.患儿,男,20 d,出生后筛查发现血甲硫氨酸升高;生长发育正常,查体无特殊,经基因检测发现MATlA基因存在c. 952-2A>G、c. 695C>T(p. P232L)杂合突变,予低甲硫氨酸奶粉及母乳混合喂养,随访至6月龄,评估生长发育正常.提示单纯性高甲硫氨酸血症多数无明显临床症状,预后相对良性,为其临床诊断、治疗和遗传咨询提供依据.
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