男性の身長と過剰な癌のリスク
Cecilia Radkiewicz1, Gustaf Edgren2,3, Arvid Sjölander1
1Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
International journal of cancer
|August 26, 2025
まとめ
男性は身長が高くなるため 癌のリスクが高くなります この研究では 成人体の身長が 男性のがんリスクの 重要な部分を説明し ライフスタイル以外の 生物学的な要因を強調しています
科学分野:
- 腫瘍学
- 人間 生物学
- 流行病学について
背景:
- 男性は女性よりも多くのがんに罹患しています.
- 高い身長は 癌の発生率の増加の 既知の危険因子です
- 男性の平均身長が女性より高く 性別による癌の格差との関連が示唆されています
研究 の 目的:
- 幹細胞数のプロキシとして 成人体の身長がどの程度 男性のがんリスクの上昇を 説明するのかを調査する.
- 成人の身長によって媒介される男性性別と場所固有の癌リスクの関連の割合を定量化する.
主な方法:
- スウェーデンの徴用兵,母親,パスポートのデータを活用した人口ベースのコホート研究.
- 男性の身長とがんリスクの関連性を推定するために,メディエーション生存分析を使用した.
- 統計的有意性は,0. 05の有意度レベルでの二面テストを使用して決定されました.
主要な成果:
- この研究では6,156,659人の成人を分析し,性別に特異性のない285,778人の癌を特定しました.
- 男性の性別は,39箇所のうち33箇所において癌のリスクと有意に関連しており,身長が高いと39箇所のうち27箇所においてリスクの増加と相関していた.
- 成人の身長は,特に唾液腺がん,結腸がん,メラノーマ,急性骨髄性白血病の過剰癌リスクの0.5%~100%を媒介した.
結論:
- 男性で観察された過剰な癌のリスクの大部分は,その成人体の身長に起因する.
- 発見は,癌のリスクにおける性別の違いにおける ストキャスティックな生物学的プロセス,遺伝的,早期の身長決定因子の役割を強調しています.
- 身長による癌のリスクは,内在的な生物学的メカニズムを示唆する,限られた確立された環境リスク要因を持つ悪性腫瘍において最も一貫しているようです.
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