肿瘤化疗耐药的分子成像:正在酝酿什么?

Luca Urso, Licia Uccelli, Alessandra Boschi, Orazio Schillaci, Luca Filippi
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引用次数: 0

摘要

随着分子靶向方法和免疫疗法的发展,癌症治疗取得了进展,但化疗仍然是许多侵袭性癌症的必要手段,包括乳腺癌、肺癌、卵巢癌、胰腺癌、膀胱癌、肉瘤和淋巴瘤。一个主要的挑战是化疗耐药性,即癌细胞逃避化疗的细胞毒性作用。三磷酸腺苷结合盒转运体,特别是p -糖蛋白的过度表达,显著促进了这种耐药性。因此,迫切需要成像生物标志物来检测p -糖蛋白在体内的过表达,识别耐药癌细胞克隆,并绘制其在肿瘤内的分布和异质性。本文综述了SPECT、PET和光学成像在化学耐药研究中的应用。它强调了这些模式通过早期识别耐药克隆和改进治疗策略来加强癌症治疗的潜力。本文概述了将分子成像整合到临床实践中所需的关键步骤,旨在克服化疗耐药并优化患者预后。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Molecular Imaging in Cancer Chemoresistance: What’s Brewing?

Cancer therapy has advanced with molecularly targeted approaches and immunotherapy, yet chemotherapy remains essential for many aggressive cancers, including breast, lung, ovarian, pancreatic, bladder, sarcoma, and lymphomas. A major challenge is chemoresistance, in which cancer cells evade chemotherapy’s cytotoxic effects. Overexpression of adenosine triphosphate–binding cassette transporters, especially P-glycoprotein, significantly contributes to this resistance. Thus, imaging biomarkers are urgently needed to detect P-glycoprotein overexpression in vivo, identify resistant cancer cell clones, and map their distribution and heterogeneity within tumors. This article reviews the applications of SPECT, PET, and optical imaging in addressing chemoresistance. It emphasizes the potential of these modalities to enhance cancer treatment by enabling early identification of resistant clones and improving therapeutic strategies. The article outlines key steps required for the integration of molecular imaging into clinical practice, aiming to overcome chemoresistance and optimize patient outcomes.

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