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The effect of continuous wavy micropatterns on silicone substrates on the alignment of skeletal muscle myoblasts and myotubes.

Abstract：

:Tissue-engineered muscle is a viable option for tissue repair, though presently technologies are not developed enough to produce tissue in vitro identical to that in vivo. One important step in generating accurate engineered muscle is to mimic natural muscle architecture. Skeletal muscle is composed of fibrils whose organization defines functionality. In musculoskeletal myogenesis, aligning myoblasts in preparation for myotube formation is a crucial step. The ability to efficiently organize myoblasts to form aligned myotubes in vitro would greatly benefit efforts in muscle tissue engineering. This paper reports alignment of prefused and differentiated skeletal muscle cells in vitro by use of continuous micropatterned wavy silicone surfaces, with features sized 3, 6 and 12 microm in periodicity. Wave features with 6 microm periodicity produced the most healthy, aligned myoblasts. Alignment was found to be a function of plating density. Further growth on these substrates with aligned myoblasts promoted fusion, yielding healthy aligned myotubes. This method will be useful for applications in which differentiated myogenic cells need to be aligned unidirectionally as in the development of engineered muscle.

journal_name

Biomaterials

journal_title

Biomaterials

authors

Lam MT,Sim S,Zhu X,Takayama S

doi

10.1016/j.biomaterials.2006.04.012

subject

Has Abstract

pub_date

2006-08-01 00:00:00

pages

4340-7

issue

24

eissn

0142-9612

issn

1878-5905

pii

S0142-9612(06)00324-3

journal_volume

27

pub_type

杂志文章

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