Label-free, live optical imaging of reprogrammed bipolar disorder patient-derived cells reveals a functional correlate of lithium responsiveness.

Label-free, live optical imaging of reprogrammed bipolar disorder patient-derived cells reveals a functional correlate of lithium responsiveness.
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DOI:
10.1038/tp.2014.72
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发表时间:
2014-08-26
影响因子:
6.8
通讯作者:
Perlis RH
Perlis RH
中科院分区:
医学1区
文献类型:
--
作者:
Wang JL;Shamah SM;Sun AX;Waldman ID;Haggarty SJ;Perlis RH

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由于缺乏疾病的细胞模型,精神疾病的新治疗和诊断工具的开发一直受到阻碍。随着细胞重编程的到来,使用患者皮肤细胞转分化为神经元来概括精神疾病的疾病生物学是可能的。然而,在缺乏明确的病理生理学的情况下,有效地识别和表征相关的神经元表型仍然是一个挑战。在这项研究中,我们收集了双相1型障碍患者的成纤维细胞样本,以锂反应为特征(n=12),并收集了健康对照组(n=6)。我们使用基于纳米结构光子晶体生物传感器的无标记成像方法识别了重新编程的神经元中的细胞表型,并发现细胞黏附的光学测量与锂治疗的临床反应有关。这种细胞表型可能是评估药物反应和筛选新疗法的有用生物标记物。
Development of novel treatments and diagnostic tools for psychiatric illness has been hindered by the absence of cellular models of disease. With the advent of cellular reprogramming, it may be possible to recapitulate the disease biology of psychiatric disorders using patient skin cells transdifferentiated to neurons. However, efficiently identifying and characterizing relevant neuronal phenotypes in the absence of well-defined pathophysiology remains a challenge. In this study, we collected fibroblast samples from patients with bipolar 1 disorder, characterized by their lithium response (n=12), and healthy control subjects (n=6). We identified a cellular phenotype in reprogrammed neurons using a label-free imaging assay based on a nanostructured photonic crystal biosensor and found that an optical measure of cell adhesion was associated with clinical response to lithium treatment. This cellular phenotype may represent a useful biomarker to evaluate drug response and screen for novel therapeutics.
通过确定的因素将成纤维细胞直接转化为功能性神经元。
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