A Miniaturized In Vivo Fluorescence Microscopy Method for Monitoring Circulating Tumor Cells in Freely Moving Animals

IF 2 3区 物理与天体物理 Q3 BIOCHEMICAL RESEARCH METHODS Journal of Biophotonics Pub Date : 2024-12-23 DOI:10.1002/jbio.202400496
Bingchen Yu, Yuxi Zhu, Fan Zhang, Da Sun, Rui Xu, Chenzheng Wang, Kai Pang
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Abstract

Metastasis is the leading cause of death in tumor patients, with circulating tumor cells (CTCs) serving as key biomarkers for tumor progression, metastasis, and recurrence. CTC quantity is closely linked to tumor dynamics, which are influenced by biological rhythms. Studying CTC distribution under various physiological conditions provides insights into metastasis mechanisms. However, due to the low abundance of CTCs, detection accuracy is limited, especially with small blood samples, making continuous data collection challenging. To address this, we developed a dual-channel miniaturized in vivo fluorescence microscopy system for real-time monitoring of CTCs in experimental animals. This system, which can be fixed to the head or back, enables dynamic, quantitative analysis of CTCs in the circulatory system. It offers a valuable tool for investigating tumor metastasis rhythms, drug evaluation, and prognostic assessment in freely moving animals, advancing research in metastasis mechanisms and cancer treatment.

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一种用于监测自由运动动物循环肿瘤细胞的小型体内荧光显微镜方法。
肿瘤转移是肿瘤患者死亡的主要原因,循环肿瘤细胞(ctc)是肿瘤进展、转移和复发的关键生物标志物。CTC的数量与肿瘤动力学密切相关,而肿瘤动力学受生物节律影响。研究CTC在不同生理条件下的分布,有助于了解其转移机制。然而,由于ctc的丰度较低,检测精度有限,特别是在血液样本较少的情况下,使得连续的数据收集具有挑战性。为了解决这个问题,我们开发了一种双通道小型化体内荧光显微镜系统,用于实时监测实验动物的ctc。该系统可以固定在头部或背部,可以对循环系统中的ctc进行动态定量分析。它为研究自由运动动物的肿瘤转移节律、药物评估和预后评估,推进转移机制和癌症治疗的研究提供了有价值的工具。
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来源期刊
Journal of Biophotonics
Journal of Biophotonics 生物-生化研究方法
CiteScore
5.70
自引率
7.10%
发文量
248
审稿时长
1 months
期刊介绍: The first international journal dedicated to publishing reviews and original articles from this exciting field, the Journal of Biophotonics covers the broad range of research on interactions between light and biological material. The journal offers a platform where the physicist communicates with the biologist and where the clinical practitioner learns about the latest tools for the diagnosis of diseases. As such, the journal is highly interdisciplinary, publishing cutting edge research in the fields of life sciences, medicine, physics, chemistry, and engineering. The coverage extends from fundamental research to specific developments, while also including the latest applications.
期刊最新文献
Issue Information Front Cover Front Cover Issue Information A Miniaturized In Vivo Fluorescence Microscopy Method for Monitoring Circulating Tumor Cells in Freely Moving Animals
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