
美國研究團隊分析28名停經女性的健康卵巢組織,發現蛋白質組成隨年齡改變,並找到與發炎、組織纖維化及卵巢癌相關的線索。
美國西北大學與巴克老化研究所合作分析28名停經女性健康卵巢組織,發現蛋白質組成隨年齡改變,並找到與發炎、組織纖維化及卵巢癌相關的線索,成果刊登於《老化細胞》。
AI-generated summary
女性停經後卵巢組織仍會隨年齡發生生物學變化,美國研究團隊對此進行分析並尋找相關線索。
女性停經後,卵巢雖不再排卵,卻不代表組織完全停止活動。美國研究團隊分析28名停經女性的健康卵巢組織,發現蛋白質組成會隨年齡改變,也找到與卵巢癌相關的發炎及組織纖維化線索。
根據《ScienceAlert》報導,這項研究由美國西北大學(Northwestern University)與巴克老化研究所(Buck Institute)研究人員主導,成果刊登於《老化細胞》(Aging Cell)。研究團隊以質譜分析50至59歲、60至69歲及70歲以上女性的卵巢組織,辨識出17種與老化變化密切相關的核心蛋白質。
研究發現,50至59歲女性的卵巢組織中,與基因調控及維持細胞、組織結構有關的蛋白質較多;70歲以上女性的卵巢組織,則有較多與脂肪代謝、免疫反應及發炎有關的蛋白質,顯示卵巢組織會隨年齡持續改變。
研究團隊指出,這些結果與先前的小鼠研究相符,顯示停經後的卵巢仍會隨年齡發生生物學變化。
研究也發現,部分與卵巢癌相關的蛋白質,在停經後女性的健康卵巢組織中較為豐富,60多歲組別尤其明顯。研究人員認為,隨年齡增加,卵巢組織可能逐漸累積膠原蛋白,並出現纖維化及發炎反應,形成有利於癌細胞生長的環境。不過,這項研究觀察的是沒有病理異常的卵巢組織,尚不能證明這些變化會導致卵巢癌。
研究團隊希望藉由這些發現,進一步探討卵巢老化的變化是否能用於辨識卵巢癌相關的生物標記,或作為未來開發治療標靶的研究方向。
AI outlook — possibilities, not facts
進一步探討卵巢老化的變化是否能用於辨識卵巢癌相關的生物標記
Likely · Within months

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