Periodic breathing in patients with NALCN mutations

被引：14

作者：

Bourque, Danielle K. ^{[1
]}

Dyment, David A. ^{[1
,2
]}

MacLusky, Ian ^{[2
,3
]}

Kernohan, Kristin D. ^{[2
]}

McMillan, Hugh J. ^{[2
,4
]}

机构：

[1] Childrens Hosp Eastern Ontario, Dept Genet, Ottawa, ON, Canada

[2] Univ Ottawa, Childrens Hosp Eastern Ontario, Res Inst, Ottawa, ON, Canada

[3] Childrens Hosp Eastern Ontario, Div Respirol, Ottawa, ON, Canada

[4] Childrens Hosp Eastern Ontario, Div Neurol, Ottawa, ON, Canada

来源：

JOURNAL OF HUMAN GENETICS | 2018年 / 63卷 / 10期

关键词：

INFANTILE NEUROAXONAL DYSTROPHY; SEVERE INTELLECTUAL DISABILITY; BIALLELIC MUTATIONS; RESPIRATORY RHYTHM; CHANNEL COMPLEX; HYPOTONIA; ENCEPHALOPATHY; SIBLINGS; UNC80; DELAY;

D O I：

10.1038/s10038-018-0484-1

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

Biallelic mutations in NALCN are responsible for infantile hypotonia with psychomotor retardation and characteristic facies 1 (IHPRF1). Common features of this condition include severe neonatal-onset hypotonia and profound global developmental delay. Given the rarity of this condition, long-term natural history studies are limited. Here, we present a 9-year-old male with a homozygous nonsense mutation in NALCN (c.3910C>T, p.Arg1304X) leading to profound intellectual disability, seizures, feeding difficulties, and significant periodic breathing. Breathing irregularity was also reported in three previous patients; similar to our patient, those children demonstrated periodic breathing that was characterized by alternating apneic periods with deep, rapid breathing. As the phenotype associated with NALCN mutations continues to be delineated, attention should be given to abnormal respiratory patterns, which may be an important distinguishing feature of this condition.

引用

页码：1093 / 1096

页数：4

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