Pediatric cancer therapy and skeletal muscle growth: an emerging role for satellite cell disruption.

IF 5.4 2区 生物学 Q2 CELL BIOLOGY
Cory M Dungan, Rachel R Chiella, Saji Tabrizi, Joe V Chakkalakal, Michael P Wiggs
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引用次数: 0
儿童癌症治疗和骨骼肌生长:卫星细胞破坏的新作用。
儿童癌症存活率的提高增加了长期治疗相关并发症的风险,包括持续的骨骼肌缺陷。这些损伤通常通过来自成人模型的机制来解释,这些模型强调线粒体功能障碍和代谢应激。然而,儿童癌症治疗是在活跃生长时期进行的,此时骨骼肌的扩张依赖于卫星细胞介导的肌核增生和成体干细胞库的建立。从这个角度来看,我们提出放疗和化疗在发育过程中破坏卫星细胞依赖的过程,导致肌肉生长受损和长期功能缺陷。来自放射模型的证据表明,在儿童发育过程中,卫星细胞丰度降低,再生受损,持续的结构异常,而新出现的化疗数据表明,肌生成调节程序发生改变,卫星细胞数量减少,与成人反应重叠有限。总之,这些发现支持一个框架,即儿童癌症治疗损害发育性肌肉生长,而不仅仅是诱导萎缩。靶向卫星细胞可能代表了一种恢复肌肉发育和改善儿童癌症幸存者长期预后的治疗策略。
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来源期刊
CiteScore
9.10
自引率
1.80%
发文量
252
审稿时长
1 months
期刊介绍: The American Journal of Physiology-Cell Physiology is dedicated to innovative approaches to the study of cell and molecular physiology. Contributions that use cellular and molecular approaches to shed light on mechanisms of physiological control at higher levels of organization also appear regularly. Manuscripts dealing with the structure and function of cell membranes, contractile systems, cellular organelles, and membrane channels, transporters, and pumps are encouraged. Studies dealing with integrated regulation of cellular function, including mechanisms of signal transduction, development, gene expression, cell-to-cell interactions, and the cell physiology of pathophysiological states, are also eagerly sought. Interdisciplinary studies that apply the approaches of biochemistry, biophysics, molecular biology, morphology, and immunology to the determination of new principles in cell physiology are especially welcome.
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