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药物性衰老细胞清除减轻蒽环类药物诱导的心肌毒性并改善小鼠心功能。

Pharmacological senolysis reduces doxorubicin-induced cardiotoxicity and improves cardiac function in mice.

机构信息

Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València (UPV), Instituto de Investigación Sanitaria La Fe (IIS La Fe), Av. Fernando Abril Martorell 106, Valencia 46026, Spain; Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Camino de Vera, s/n, Valencia 46022, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València-Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, Valencia 46012, Spain; CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN), Spain.

Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Camino de Vera, s/n, Valencia 46022, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València-Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, Valencia 46012, Spain; CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN), Spain.

出版信息

Pharmacol Res. 2022 Sep;183:106356. doi: 10.1016/j.phrs.2022.106356. Epub 2022 Jul 14.

DOI:10.1016/j.phrs.2022.106356
PMID:35843569
Abstract

Many anticancer agents used in clinics induce premature senescence in healthy tissues generating accelerated aging processes and adverse side-effects in patients. Cardiotoxicity is a well-known limiting factor of anticancer treatment with doxorubicin (DOX), a very effective anthracycline widely used as antitumoral therapy in clinical practice, that leads to long-term morbidity and mortality. DOX exposure severely affects the population of cardiac cells in both mice and human hearts by inducing premature senescence, which may represent the molecular basis of DOX-induced cardiomyopathy. Here, we demonstrate that senescence induction in the heart contributes to impaired cardiac function in mice upon DOX treatment. Concomitant elimination of senescent cells with the senolytic Navitoclax in different formulations produces a significant decrease in senescence and cardiotoxicity markers together with the restoration of the cardiac function in mice followed by echocardiography. These results evidence the potential clinical use of senolytic therapies to alleviate cardiotoxicities induced in chemotherapy-treated patients.

摘要

许多临床上使用的抗癌药物会在健康组织中诱导过早衰老,从而在患者中产生加速衰老过程和不良反应。心脏毒性是阿霉素(DOX)抗癌治疗的一个众所周知的限制因素,DOX 是一种非常有效的蒽环类药物,广泛应用于临床肿瘤治疗,但会导致长期的发病率和死亡率。DOX 暴露会通过诱导过早衰老,严重影响小鼠和人心脏中心脏细胞的数量,这可能是 DOX 诱导心肌病的分子基础。在这里,我们证明了心脏中的衰老诱导会导致 DOX 治疗后小鼠的心脏功能受损。用不同配方的 senolytic Navitoclax 同时消除衰老细胞会显著减少衰老和心脏毒性标志物,并恢复小鼠的心脏功能,随后进行超声心动图检查。这些结果证明了 senolytic 疗法在缓解化疗治疗患者心脏毒性方面的潜在临床应用。

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