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NA12878試劑：揭秘其主要成分與應用
發布時間： 2025-02-26 點擊次數： 849次在基因組學研究的廣闊天地中，NA12878試劑以其特殊的優勢和廣泛的應用領域，成為了科研人員手中的得力助手。這款試劑的核心成分——來自特定健康個體的全基因組DNA樣本，不僅具有高度的代表性和穩定性，還承載著豐富的遺傳信息，為各類基因組學研究提供了堅實的基礎。NA12878試劑的主要成分是來自一個具有北歐和西歐血統的猶他州居民的全基因組DNA。這份DNA樣本經過精心提取和純化，確保了其高質量和完整性。作為Coriell人類基因組DNA標準品之一，NA12878在基因組測序、基因突變檢測、單核苷酸多態性（SNP）分析等領域展現出了杰出的性能。值得注意的是，該產品中的DNA樣本在CYP2C19基因上存在特定的變異。具體而言，該樣本在CYP2C19基因的外顯子19處存在一個單次堿基對（G-to-A）的轉變，這一變異導致了異常的剪接位點和截短的蛋白質產生。這種截短的蛋白質由于缺少血紅素結合區而具有催化失活性，為藥物代謝和個體化用藥研究提供了重要的參考信息。除了CYP2C19基因的變異外，產品中的DNA樣本還包含了人類基因組的完整信息。這使得它成為基因組學研究、疾病關聯分析、遺傳病診斷等領域的理想選擇。科研人員可以利用NA12878試劑進行高通量測序、芯片分析等多種實驗技術，從而揭示遺傳變異與疾病之間的關系，為精準醫療和個體化治療提供科學依據。
綜上所述，NA12878試劑以其高質量的全基因組DNA樣本和特定的基因變異信息，在基因組學研究領域發揮著舉足輕重的作用。隨著科技的不斷發展，它的應用前景將更加廣闊，為人類的健康事業貢獻更多的智慧和力量。
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