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遺伝的および稀な肺疾患と肺がんのリスクに関連する遺伝子

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    遺伝的および稀な肺疾患 (GARD) は一般的に肺がんリスクと関連していません. しかし,肺と下垂体と腎上腺軸に関連するいくつかの遺伝子は,肺がんと複雑な関連性を示しています.

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    科学分野:

    • 遺伝学
    • 腫瘍学
    • 肺科

    背景:

    • 肺機能と肺がんに影響を与える遺伝的または希少疾患 (GARDs) に関するヒューマン・フェノタイプ・オントロジー (HPO) の用語との関連を調査した.
    • 遺伝子抽出のためにGARDs,OMIM,ORPHANET,およびMONARCHイニシアチブのデータを利用しました.

    研究 の 目的:

    • 呼吸道や肺機能に影響を与えるGARDに関連したHPO用語が肺がんと関連しているかどうかを判断する.
    • 肺がんリスクに関連した特定の遺伝的マーカー,遺伝子,またはHPO用語を特定する.

    主な方法:

    • 52,207のSNP,1,677の遺伝子,および620のHPO項について,個別のSNP,遺伝子レベル,および遺伝子セットの分析を行った.
    • 国際肺がんコンソーシアム (ILCCO) の肺がん患者14,068例と,がんのない欧州系対照群12,390例を含む.

    主要な成果:

    • rs56113850マーカー (CYP2A6とLTBP4の強化領域に位置する) と肺がん (p=1. 2x10^ - 10) の間に有意な関連性を特定した.
    • DMD遺伝子 (デュシェンヌ筋縮症) に関する2つのマーカーの示唆的な関連が観察されました.
    • "循環中のアドレノコルチコトロピン濃度異常"と"中枢神経系新生体"に関連した遺伝子セットでGARD遺伝子の濃縮が発見されました.

    結論:

    • 遺伝的および希少な肺疾患に関連する遺伝子は,一般的に肺がんのリスクを与えない.
    • 視床下垂体副腎軸に関与する遺伝子は,肺がんと弱いまたは複雑な関連性を示しています.
    • 遺伝子のレベルでの分析は,同一のデータセットであっても,非常に矛盾した結果をもたらしました.