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第117回日本解剖学会総会・全国学術集会 講演プログラム・抄録集 PDF ...

第117回日本解剖学会総会・全国学術集会 講演プログラム・抄録集 PDF ...

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Double FYVEdomain Containing Protein 1<br />

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Histological analysis of adipose tissues in Xpg null mice<br />

Hironobu Nakane 1 , Tadahiro Shiomi 2 , Toshio Kameie 1 , Sumire Inaga 1 ,<br />

Tomonori Naguro 1<br />

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Div.Genome Morph., Fac. Med., Tottori Univ., 2 Rad. Safety Res. Center, Natl.<br />

Inst. Radiol. Sci.<br />

Some xeroderma pigmentosum group G XPG patients exhibit skin<br />

abnormalities, growth failure, lifeshortening and neurological dysfunctions,<br />

which are also characteristic features of Cockayne syndrome CS. The XPG<br />

gene XPG<br />

encodes a structurespecific DNA endonuclease that functions in<br />

nucleotide excision repair NER. The Xpg null mice showed postnatal growth<br />

failure, ataxia and premature death. We examined pathological changes of<br />

adipose tissues corresponding to clinical manifestations in the Xpg null mice,<br />

such as cachexia, joint contractures. Xpg null mice provide a good animal model<br />

for studying the mechanisms underlying clinical symptoms of XPG/CS, CS in<br />

humans. We will discuss the function of XPG protein in the adipose tissues of the<br />

Xpg null mice.<br />

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