ヒトのインターフェロンベータ遺伝子の制御された発現に必要なDNA配列の境界と性質

T Fujita, S Ohno, H Yasumitsu

Cell

|June 1, 1985

まとめ

人間のインターフェロンベータ (IFN-β) 遺伝子.

科学分野:

分子生物学は分子生物学である.
免疫学免疫学とは
遺伝学遺伝学とは

背景:

ヒトのインターフェロン-β (IFN-β) 遺伝子は,抗ウイルス反応に極めて重要です.
その活性化には,5'-横断領域における特定の規制シーケンスが含まれます.

研究の目的:

IFN-β遺伝子のウイルス誘発活性化に起因する特定のDNA配列を特定する.
これらの規制要素の性質を特徴づけるために.

主な方法:

マウスのL929細胞における変異IFN-β遺伝子の構造と発現分析.
IFN-β遺伝子の5'-側面領域のデレーション変異.

主要な成果:

ウイルスの誘導に不可欠な調節配列は,キャップサイトに対して -40の位置から上流に位置しています.
最大インダクションには,−117〜-105.5のシーケンスが必要です.
この上流領域は強化器のような特性を発揮し,どちらの方向でも,また異なる距離でも機能します.

結論:

繰り返しヘクサヌクレオチドを含む特定のアップストリーム配列は,IFN-β遺伝子の最大誘導に不可欠です.
これらの配列は,トランスクリプションの活性化を媒介する強化剤のような要素として機能します.
これらの調節要素を理解することは,IFN-β遺伝子発現を制御する鍵です.

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