Muscle Plasticity : Changes in Oral Function of Muscle Fiber Characteristics

被引：9

作者：

Abe, Shinichi ^{[1
,2
]}

Sakiyama, Koji ^{[2
]}

Ide, Yoshinobu ^{[2
]}

机构：

[1] Tokyo Dent Coll, Oral Hlth Sci Ctr HRC7, Mihama Ku, 1-2-2 Masoga, Chiba 2618502, Japan

[2] Tokyo Dent Coll, Dept Anat, Mihama Ku, Chiba 2618502, Japan

来源：

JOURNAL OF ORAL BIOSCIENCES | 2007年 / 49卷 / 03期

关键词：

myosin heavy chain; masseter; temporalis; tongue muscle; mice;

D O I：

10.2330/joralbiosci.49.219

中图分类号：

R78 [口腔科学];

学科分类号：

1003 ;

摘要：

To clarify changes in oral function and its relation to muscle fiber characteristics, we evaluated changes in isoforms of the myosin heavy chain as a muscle contraction protein in the mouse masseter, temporalis, and tongue muscles after weaning. As a result, all muscles showed changes in muscle fiber characteristics immediately after weaning, i.e., at the initiation of mastication, increasing the number of isoforms. This finding was marked in the temporalis muscle. In addition, when mechanical stress was applied to myoblasts, the numbers of myoblasts and nuclei in each myoblast increased, and muscle fiber characteristics also changed.

引用

页码：219 / 223

页数：5

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