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生物通
51 分钟
Nature Methods:用甘聚糖结合荧光团对细胞外基质进行实时成像
然而,目前用于荧光标记细胞外生物分子的方法在活体组织应用中存在诸多挑战。基于蛋白质的亲和试剂(如抗体和凝集素),由于空间扩散性差,难以在组织中有效分布;病毒递送标记的高分子量 ECM 成分,受到病毒包装限制;内源性遗传标签则需要大量优化,以避免干扰 ECM 的正常组装,而这对于生物体的发育至关重要。此外,现有方法难以实现多重标记,无法全面展示 ECM ...
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