Here’s a treat for Valentine’s Day: Take a close-up look at a decellularized “ghost heart.”
这是一份献给情人节的特别礼物：近距离观察一颗脱细胞化的”幽灵心脏”。这颗心脏可作为支架，用于培育由人类干细胞生长而成的功能性心脏。德克萨斯心脏研究所的研究人员用一种肥皂溶液将猪心脏中所有活细胞去除，从而制成了这颗幽灵心脏——该溶液能使细胞破裂，只留下蛋白质结构。目前，这些科学家已成功将组织工程心脏移植到大鼠和猪体内。他们希望最终能制造出个性化的人工心脏，帮助缓解捐献器官短缺的问题。
更多内容请阅读TED图书 《超级细胞：用生物学构建生命》，作者：尼娜·坦顿与米切尔·约阿希姆。本书支持Kindle、Nook及iBookstore平台。您也可以下载TED Books应用程序，在订阅期间获取本书及TED Books全部馆藏。
注：本文最初于2014年2月14日发布于TED博客。
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