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通过酶解离小鼠六块后肢肌肉获得的完整短、中和长骨骼肌纤维:超越趾短屈肌
通过酶解离小鼠六块后肢肌肉获得的完整短、中和长骨骼肌纤维:超越趾短屈肌
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Intact Short, Intermediate, and Long Skeletal Muscle Fibers Obtained by Enzymatic Dissociation of Six Hindlimb Muscles of Mice: Beyond Flexor Digitorum Brevis

通过酶解离小鼠六块后肢肌肉获得的完整短、中和长骨骼肌纤维:超越趾短屈肌

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3,129 Views
08:12 min
December 1, 2023

DOI: 10.3791/65851-v

Jorge L. Petro*1, Andrés F. Milán*1, Erika Arenas1, Laura Valle1, Valeria Hernández1, Juan C. Calderón1

1Physiology and Biochemistry Research Group-PHYSIS, Faculty of Medicine,University of Antioquia

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Please note that some of the translations on this page are AI generated. Click here for the English version.

我们描述了一种从成年小鼠的六块肌肉中获得不同长度和类型的酶解离纤维的方案:其中三个已经描述(趾短屈肌,趾长伸肌,比目鱼肌),其中三个首次成功解离(拇长伸肌,腓骨长肌,腓骨趾四分)。

在这项研究中,我们描述了一种从小鼠的六块后肢肌肉中分离不同长度和类型的纤维的方法。此外,我们还测试了纤维在生理实验中的适用性,这些实验涉及激发-收缩耦合机制的研究。多年来,获得长肌纤维一直是一项挑战,限制了该领域许多研究的范围。

现在我们表明,有可能获得长度可达 6 毫米的小鼠屈肌、伸肌和长肌的瘦纤维。例如,从六种不同的肌肉中获得纤维使我们能够证明,称为形态学II型的钙瞬态动力学可以推广到IIB型和IIX型,而不管其肌肉来源的位置或功能如何。我们认为,酶分离纤维的模型适用于各种实验方法和不同类型的技术,使我们能够回答生物化学、生理学、生物物理学、细胞生物学和分子生物学范围内的机理问题。

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