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细胞间通信作为多细胞生命活动的核心调控机制,天然细胞通过外泌体等胞外囊泡载体实现RNA等生物分子的定向传递与功能调控[1]。在合成生物学领域,人工细胞通信系统的构建长期面临关键技术瓶颈:传统模型大多依赖小分子扩散或DNA信号传递,无法模拟天然外泌体对RNA的保护性运输及时空精准释放特性[2]。这一局限严重制约了人工细胞向复杂生命功能模拟的突破。
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细胞间通信作为多细胞生命活动的核心调控机制,天然细胞通过外泌体等胞外囊泡载体实现RNA等生物分子的定向传递与功能调控[1]。在合成生物学领域,人工细胞通信系统的构建长期面临关键技术瓶颈:传统模型大多依赖小分子扩散或DNA信号传递,无法模拟天然外泌体对RNA的保护性运输及时空精准释放特性[2]。这一局限严重制约了人工细胞向复杂生命功能模拟的突破。
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在化学信号传导中,细胞可能以自身、附近的细胞、远处的细胞或通过间隙连接的细胞为目标 (图片来源:罗杰威廉姆斯大学官网)
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