複合 的 な 特徴 の 拡大 さ れ た 見方: 多 遺伝子 から 全 遺伝子 へ
Evan A Boyle1, Yang I Li1, Jonathan K Pritchard2
1Department of Genetics, Stanford University, Stanford, CA 94305, USA.
Cell
|June 17, 2017
まとめ
遺伝的変異と病気の関連は複雑です 提案された"オムニジェニック"モデルでは,複雑な特徴の遺伝性は,単に疾患の核心経路ではなく,広範な遺伝子効果から来ると示唆されています.
科学分野:
- 遺伝学
- システム生物学
- ゲノミクス
背景:
- 複雑な病気の遺伝的基盤を理解することは 遺伝学の中心的な目標です
- 伝統的に,疾患の変種は主要な病因的な経路に集まっていることが予想されていました.
- しかし,複雑な特性の関連信号は,しばしばゲノム全体に広く分布する.
研究 の 目的:
- 複雑な特徴の遺伝的構造の代替モデルを提案し定義する.
- 関連信号が広範囲に広がり 明らかに病気に関連していない遺伝子を含んでいる理由を説明します
主な方法:
- この研究は"オムニジェニック"モデルという理論的枠組みを提案している.
- このモデルでは 遺伝子制御ネットワークは 密接に結びついていると仮定しています
主要な成果:
- オムニジェニックモデルは,疾患に関連する細胞で発現する全ての遺伝子が,コア疾患遺伝子に影響を及ぼすことを示唆している.
- 複雑な特徴のほとんどの遺伝性は,伝統的に定義されたコア経路の外にある遺伝子への影響から生じるという説である.
結論:
- "オムニジェニック"モデルは 複雑な特徴の遺伝的基盤を理解するための 統一的な枠組みを提供する.
- この見解は 伝統的な見解に異議を唱え ゲノム全体にわたる 遺伝的多様性の 広範囲に及ぶ影響を強調しています
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