首页> 外文期刊>American Journal of Physiology >'Culture shock' from the bone cell's perspective: emulating physiological conditions for mechanobiological investigations.
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'Culture shock' from the bone cell's perspective: emulating physiological conditions for mechanobiological investigations.

机译:从骨细胞的角度来看“文化冲击”:模拟用于生理生物学研究的生理条件。

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摘要

Bone physiology can be examined on multiple length scales. Results of cell-level studies, typically carried out in vitro, are often extrapolated to attempt to understand tissue and organ physiology. Results of organ- or organism-level studies are often analyzed to deduce the state(s) of the cells within the larger system(s). Although phenomena on all of these scales-cell, tissue, organ, system, organism-are interlinked and contribute to the overall health and function of bone tissue, it is difficult to relate research among these scales. For example, groups of cells in an exogenous, in vitro environment that is well defined by the researcher would not be expected to function similarly to those in a dynamic, endogenous environment, dictated by systemic as well as organismal physiology. This review of the literature on bone cell culture describes potential causes and components of cell "culture shock," i.e., behavioral variations associated with the transition from in vivo to in vitro environment, focusing on investigations of mechanotransduction and experimental approaches to mimic aspects of bone tissue on a macroscopic scale. The state of the art is reviewed, and new paradigms are suggested to begin bridging the gap between two-dimensional cell cultures in petri dishes and the three-dimensional environment of living bone tissue.
机译:可以在多个长度范围内检查骨骼生理。通常是在体外进行的细胞水平研究的结果通常被推论为试图了解组织和器官的生理学。通常对器官或生物体水平研究的结果进行分析,以推断较大系统中细胞的状态。尽管所有这些尺度的现象(细胞,组织,器官,系统,生物体)都是相互联系的,并有助于骨骼组织的整体健康和功能,但是很难在这些尺度之间进行研究。例如,研究人员明确定义的外源性体外环境中的细胞群,其功能与系统性和机体生理性所决定的动态内源性环境中的细胞功能不同。这篇有关骨细胞培养的文献综述描述了细胞“培养休克”的潜在原因和成分,即与从体内环境到体外环境的转变相关的行为变化,重点是机械转导的研究以及模拟骨骼方面的实验方法宏观尺度上的组织。本文对现有技术进行了回顾,并提出了新的范式以弥合培养皿中二维细胞培养物与活骨组织三维环境之间的鸿沟。

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