Mutated WWP1 Induces an Aberrant Expression of Myosin Heavy Chain Gene in C2C12 Skeletal Muscle Cells
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- Matsumoto Hirokazu
- Laboratory of Animal Breeding and Genetics, Graduate School of Agricultural Science, Kobe University, Japan
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- Inba Yumi
- Laboratory of Animal Breeding and Genetics, Graduate School of Agricultural Science, Kobe University, Japan
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- Sasazaki Shinji
- Laboratory of Animal Breeding and Genetics, Graduate School of Agricultural Science, Kobe University, Japan
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- Fujiwara Akira
- Laboratory of Animal Research Station, Nippon Institute for Biological Science, Japan
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- Ichihara Nobutsune
- Department of Animal Models for Human Disease, National Institute of Neuroscience, NCNP, Japan Department of Anatomy I, School of Veterinary Medicine, Azabu University, Japan
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- Kikuchi Tateki
- Department of Animal Models for Human Disease, National Institute of Neuroscience, NCNP, Japan
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- Mannen Hideyuki
- Laboratory of Animal Breeding and Genetics, Graduate School of Agricultural Science, Kobe University, Japan
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抄録
The WW domain containing E3 ubiquitin protein ligase 1 (WWP1), an enzyme to degrade unneeded or damaged proteins, was recently identified as the responsible for chicken muscular dystrophy. Despite of intensive studies on oncogenic characters, the role of WWP1 to muscular diseases has not yet been fully understood. Since it is generally known that the switching of myosin heavy chain (MyHC) isoforms from neonatal isoform to adult one is inhibited in chicken muscular dystrophy, we transfected either of wild and mutated types of WWP1 gene into C2C12 cells to monitor the expression pattern of muscle-differentiation markers including MyHCs by real-time PCR. Excessive WWP1 expression enhanced the expression of the MyHC Ia gene but lowered the expression of the MyHC IIb gene. On the other hand, mutated WWP1 gene transfected into myoblasts was distinct from these cases in that the MyHC gene or genes expression inhibited the normal myoblast differentiation. The present data suggest that WWP1 promotes myoblast differentiation from embryonic into fast twitch phase while a mutation in WWP1 results to retain slow and fast twitch isoforms characteristic of dystrophic fast twitch muscles.
収録刊行物
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- The Journal of Poultry Science
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The Journal of Poultry Science 47 (2), 115-119, 2010
日本家禽学会
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詳細情報 詳細情報について
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- CRID
- 1390282680183542784
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- NII論文ID
- 10026253460
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- NII書誌ID
- AA11564513
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- ISSN
- 13490486
- 13467395
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- NDL書誌ID
- 10658445
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可