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第41卷第11期         张志华,王     兰,周霄颖,等. CPT1A基因外显子纯合缺失变异导致的肉碱棕榈酰转移酶1A
                 2021年11月              缺乏症1例[J]. 南京医科大学学报(自然科学版),2021,41(11):1707-1709                  ·1709 ·


                经系统损伤、肝功能衰竭、癫痫发作、昏迷及猝死风                                cy in North American Hutterites(Canadian and Ameri⁃
                险,预防急性发病可明显改善预后。CPT1A缺乏症                               can):evidence for a founder effect and results of a pilot
                患者应经常进食,婴儿夜间可予玉米淀粉喂养提供                                 study on a DNA ⁃ based newborn screening program[J].
                缓慢释放碳水化合物的恒定来源,以防睡眠期低血                                 Mol Genet Metab,2001,73(1):55-63
                                                                 [5] FOHNER A E,GARRISON N A,AUSTIN M A,et al. Car⁃
                糖症;因为中链脂肪酸不需CPT1A协助即可进入线
                                                                       nitine palmitoyltransferase 1A P479L and infant death:
                粒体内转化为能量,应采用高碳水化合物、减少长
                                                                       policy implications of emerging data[J]. Genet Med,
                链脂肪酸摄入、增加中链甘油三酯的饮食结构 。
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                本例患儿在采取合理饮食结构后,肝转氨酶较前下
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                降,未再出现低血糖等临床表现。                                       ciency:a look at classic and arctic variants[J]. Adv Neo⁃
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                测有助于早期诊断。本例患者是国内首例外显子4~                                J M,et al. Brief report:renal tubular acidosis in carnitine
                5 纯合缺失的 CPT1A 缺乏症患者,丰富了该基因变                            palmitoyltransferase type 1 deficiency[J]. N Engl J Med,
                异谱。近年来全外显子测序技术临床应用进展很                                  1992,327(1):24-27
                快,可以检出外显子缺失和重复的中型变异,结合                           [8] BERGMAN A J,DONCKERWOLCKE R A,DURAN M,
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                qPCR 或者多重连接探针扩增技术验证,可以为这
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                类变异的患儿提供精准的分子诊断。
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                    patic carnitine palmitoyl transferase 1(CPT1 A)deficien⁃                [收稿日期] 2020-08-10
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