自己報告された人種による卵巣高度血清性がんにおける同類再結合欠乏症と生存率
Katherine A Lawson-Michod1, Courtney E Johnson2, Mollie E Barnard3
1Fred Hutchinson Cancer Center, Seattle, WA, United States.
まとめ
ホモローグな再結合欠乏症 (HRD) は卵巣がんの生存率に異なった影響を及ぼします. 多様な集団におけるHRDの特徴づけは 公平な精密医療と改善された結果にとって極めて重要です
科学分野:
- ゲノム医学
- 腫瘍学
- 人口の健康
背景:
- 卵巣高度血清性がんの半分は同種の再結合欠乏症 (HRD) を表している.
- HGSCの生存率が低い黒人の場合 HRDの理解は少ない.
- HGSCの成果の差異は,HRDの人種差異に関する研究を必要とします.
研究 の 目的:
- 卵巣HGSCにおけるHRDの特徴を特徴づけるために.
- 黒人と白人の生存率との関連を調べる
- 人権開発の特徴と臨床的影響における人種差異を特定する.
主な方法:
- HGSCコホートにおけるHRDの特徴を特定するために,全エクソームとRNAシーケンスを使用した.
- 生存分析は,年齢とステージに調整された危険比率を使用して,自己報告された人種によって分層化されました.
- ゲルムラインと体内の変異は,アノテーションと重要性における人種的差異を分析した.
主要な成果:
- 黒人の死亡リスクは32%,白人の死亡リスクは62%と関連していた.
- 黒人個体では,注釈されていないまたは不確実な重要性 (VUS) の変種 (65%対45%) と体性変種 (62%対50%) の割合が高く見られた.
- ゲルムラインが表記されていない/VUSの変種を持つ黒人は,HRDの傷つきと乳がんや卵巣がんの家族歴を持つ可能性がより高かった.
結論:
- HRD検査は卵巣がんの精密医療に不可欠ですが,黒人の人の高いVUS率は治療へのアクセスを妨げる可能性があります.
- ゲノム研究では 多様な参加者の採用を優先して VUSを正確に特徴付け,結果の格差を減らす必要があります.
- 公平ながん治療のための多様な集団におけるVUSの臨床的影響を理解し,対処するためにさらなる研究が必要です.
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