Recent developments and future challenges on imaging for stem cell research.

Recent developments and future challenges on imaging for stem cell research.
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DOI:
10.1007/s12265-009-9158-x
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发表时间:
2010-02
影响因子:
3.4
通讯作者:
Kraitchman, Dara L.
Kraitchman, Dara L.
中科院分区:
医学3区
文献类型:
--
作者:
Fu, Yingli;Kedziorek, Dorota;Kraitchman, Dara L.

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随着干细胞用于心脏再生治疗的临床试验的推进,成像设备和技术的进步为评估治疗效果提供了有力的方法。标记干细胞用于追踪的方法在不断扩大。非侵入性成像提供了更好地了解外源干细胞与宿主相互作用的潜力,以回答诸如最佳细胞类型、递送时间、剂量和递送途径等问题。如果成功,这些技术可能使干细胞治疗的个体化剂量成为可能。然而,除了简单的生物相容性问题外,适用于心脏病动物模型的技术在临床转化方面可能存在障碍。挑战包括先进成像技术的高成本、在急性缺血性疾病中的适用性以及监管部门的批准。在这篇综述中,我们将介绍一些新的成像技术和标记策略,并评估临床采用的障碍。
As clinical trials with stem cells for cardiac regenerative therapy move forward, advances in imaging equipment and technique offer powerful methods to evaluate therapeutic efficacy. Methodologies to label stem cells for tracking continue to expand. Non-invasive imaging offers the potential to better understand the interaction of exogenous stem cells with the host to answer questions such as the best cell type(s), timing of delivery, dose, and delivery route. If successful, these techniques may enable individually tailored dosing of stem cell therapeutics. However, techniques that are suitable for animal models of cardiac disease may have hurdles to clinical translation beyond simple biocompatibility issues. Challenges include the high cost of advanced imaging techniques, applicability in acute ischemic disease, and regulatory approval. In this review, we will cover some new imaging techniques and labeling strategies and assess the obstacles to clinical adoption.
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