Nat Biotechnol:干细胞疗法治疗黄斑退化

2018-03-22 佚名 “细胞”微信号

2015年6月, 86岁的Douglas Waters出现了严重的老年性黄斑变性症状(AMD),导致难以看清东西。几个月之后,他成为了UC Santa Barbara的研究者开发的利用干细胞诱导分化的视觉细胞治疗AMD的临床试验的一员。

2015年6月, 86岁的Douglas Waters出现了严重的老年性黄斑变性症状(AMD),导致难以看清东西。几个月之后,他成为了UC Santa Barbara的研究者开发的利用干细胞诱导分化的视觉细胞治疗AMD的临床试验的一员。

在手术之前,Douglas的视力很差,右眼几乎看不到任何东西。而手术之后,他的视力恢复地很快,能够阅读报纸以及干一些农活。

这项出色的临床治疗结果发表在最近一期的《Nature Biotechnology》杂志上,该文章描述了将从干细胞诱导而来的,工程化的视网膜色素上皮细胞移植进入患者的眼睛中,从而帮助AMD患者重建光明。结果表明该方法具有安全性以及有效性。

"这项研究是再生医学在临床治疗中的一大突破。它为老年性黄斑变性患者提供了新的治疗选择",该文章的共同作者名来自USCB的教授Peter Coffey说道。

黄斑变性是发达国家中造成50岁以上人群视力损伤的主要原因。该疾病的发生主要是由于血管病变导致血液难以进入视网膜的中心黄斑区域。在这项研究中,作者希望能够使用干细胞将患者眼部后侧受损的细胞置换,从而恢复患者的视力。该手术总共耗时大概1到2小时。

除了Douglas之外,该试验中还有一名60岁的女性患者。在手术后的12个月内,她与Douglas两人的视力恢复水平都十分显着。此前他们都几乎无法阅读,而手术之后则能够在佩戴正常眼镜的情况下每分钟阅读60-80个字。

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    2019-02-23 sunylz
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    2019-01-03 liye789132251
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    2018-03-23 shock_melon
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    2018-05-04 cathymary
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    2018-03-24 muzishouyi

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