書誌事項
- タイトル別名
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- Vitamin B_<12> and Spermatogenesis
- ビタミンB12と精子形成
- ビタミン B12 ト セイシ ケイセイ
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説明
It has been reported that vitamin B_<12> (B_<12>)-deficiency could cause testicular injury. The biochemical mechanism for this event, however, has not yet been fully understood. In mammals, B_<12> is a cofactor for two enzymes, i.e. methionine synthase and methylmalonyl-CoA mutase. According to earlier studies, methionine synthase, rather than methylmalonyl-CoA mutase, may be responsible for the testicular injury when animals are in B_<12>-deficiency. Methionine synthase is one of key enzymes in methionine and folate metabolism, which is important for nucleic acid synthesis, protein synthesis, polyamine synthesis, and transmethylation. Here, we describe that properties of methionine synthase and discuss a possible biochemical mechanism for the testicular injury due to B_<12>-deficiency.
収録刊行物
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- ビタミン
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ビタミン 82 (1), 11-17, 2008
公益社団法人 日本ビタミン学会
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詳細情報 詳細情報について
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- CRID
- 1390282680676955008
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- NII論文ID
- 110006571393
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- NII書誌ID
- AN00207833
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- ISSN
- 2424080X
- 0006386X
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- NDL書誌ID
- 9361286
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
