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Protective effect of recombinant adeno-associated virus 2/8-mediated gene therapy from the maternal hyperphenylalaninemia in offsprings of a mouse model of phenylketonuria / Sung-Chul Jung ; Joo-Won Park ; Hyun-Jeong Oh ; Jin-Ok Choi ; Kyung-In Seo ; Eun-Sook Park ; Hae-Young Park 1
[요약] 1
Introduction 1
Materials and methods 2
Recombinant AAV construction and production 2
Cell culture and animal experiments 2
Plasma phenylalanine assay and PAH enzyme assay 2
The effect of gene therapy on maternal PKU syndrome 2
Statistical analysis 2
Results 2
PAH activities and plasma phenylalanine concentration in PKU mice 2
Effect of rAAV2/8-hPAH treatment on pregnant PKU mice 4
Discussion 5
Acknowledgments 6
REFERENCES 6
Phenylketonuria (PKU) is an autosomal recessively inherited metabolic disorder
caused by a deficiency of phenylalanine hydroxylase (PAH). The accumulation of
phenylalanine leads to severe mental and psychomotor retardation, and the fetus
of an uncontrolled pregnant female patient presents with maternal PKU syndrome.
We have reported previously on the cognitive outcome of biochemical and phenotypic
reversal of PKU in a mouse model, Pahenu2, by the AAV serotype 2-mediated
gene delivery of a human PAH transgene. However, the therapeutic efficacy had
been limited to only male PKU mice. In this study, we generated a pseudotyped
recombinant AAV2/8-hPAH vector and infused it into female PKU mice through the
hepatic portal vein or tail vein. Two weeks after injection, complete fur color change
to black was observed in female PKU, as in males. The PAH activity in the liver
increased to 65-70% of the wild-type activity in female PKU mice and to 90% in
male PKU mice. Plasma phenylalanine concentration in female PKU mice decreased
to the normal value. In addition, the offsprings of the treated female PKU mice can
rescue from the harmful effect of maternal hyperphenylalaninemia. These results
indicate that recombinant AAV2/8-mediated gene therapy is a potential therapeutic
strategy for PKU.*표시는 필수 입력사항입니다.
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도서위치안내: 정기간행물실(524호) / 서가번호: 국내17
2021년 이전 정기간행물은 온라인 신청(원문 구축 자료는 원문 이용)
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