Neonatal Med.  2015 Nov;22(4):217-222. 10.5385/nm.2015.22.4.217.

Newly Detected PKHD1 Gene Mutation in a Newborn with Fatal Autosomal Recessive Polycystic Kidney Disease

Affiliations
  • 1Department of Pediatrics, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, Seoul, Korea.
  • 2Division of Neonatology, Department of Pediatrics, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, Seoul, Korea. arkim@amc.seoul.kr
  • 3Department of Pathology, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, Seoul, Korea.
  • 4Medical Genetics Center, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, Seoul, Korea.

Abstract

Autosomal recessive polycystic kidney disease is among the most common inherited ciliopathies and is caused by mutations in the polycystic kidney and hepatic disease 1 (PKHD1) gene. Despite its great phenotypic variability, this condition is usually diagnosed during the neonatal and early infantile periods. We report a 37+3 -gestational-week neonate presenting with fatal autosomal recessive polycystic kidney disease who died at 28 hours of life from severe respiratory failure. The familial history is significant because a previous sibling died in utero at 24+2 weeks of gestational age and was diagnosed with polycystic kidney disease based on prenatal ultrasonography and autopsy. Our patient's autopsy revealed findings compatible with polycystic kidney disease. In addition, a PKHD1 gene study of peripheral blood leukocytes identified the compound heterozygote mutation c.274C>T(p.Arg92Trp), as well as the novel heterozygous nonsense mutation c.2770C>T(p.Gln924*).

Keyword

Polycystic kidney; Autosomal recessive; PKHD1 gene; Mutation
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