Histochemical Study of Rabbit Masseter Muscle: The effect of the alteration of food on the muscle fibers

Negoro, Takefumi; Ito, Kanmon; Morita, Takumi; Hiraba, Katsunari; Mizutani, Makoto; Ohno, Norihiro; Goto, Shigemi

doi:10.3353/omp.6.65

Cited by 6 publications

(6 citation statements)

References 14 publications

(11 reference statements)

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“…It may be easier for muscles to adapt to functional alterations before the establishment of any definitive functional pattern. Negoro et al (2001) showed that the diameter and ratio of type 1 fibers was most remarkably decreased, and that the ratios of type 2A and 2B fibers were increased in the fine‐grained diet subjects. The present study reported that soft‐diet treatment increases type 2A fibers at the expense of type 1 and 2B fibers.…”

Section: Discussionmentioning

confidence: 96%

“…Several previous studies have used rabbits to study the effects of food consistency on fiber‐type properties of the masseter muscle (Negoro et al , 2001; Langenbach et al , 2003). Langenbach et al (2003) recently demonstrated that the muscles of rabbits fed a soft diet were composed of fibers with a smaller cross‐sectional area than the hard‐diet group, but no changes were found in fiber composition.…”

Section: Discussionmentioning

confidence: 99%

“…There have been a few histochemical studies of the adaptive responses of the masseter muscle to soft diet using rabbits (Negoro et al , 2001; Langenbach et al , 2003), which are similar to humans with respect to fiber‐type composition and masticatory movement. The present study focuses on the effects of soft diet on the histochemical characteristics of fiber‐type distribution in the masseter muscle in growing male rabbits.…”

Section: Introductionmentioning

confidence: 99%

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Alterations in enzyme histochemical characteristics of the masseter muscle caused by long‐term soft diet in growing rabbits

et al. 2004

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Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Alterations in enzyme histochemical characteristics of the masseter muscle caused by long‐term soft diet in growing rabbits

et al. 2004

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“…While most studies on MyHC isoform expression in muscle growth and development have examined muscles of the extremities, recent studies have analyzed head and neck muscles such as the masticatory and suprahyoid muscles (Negoro et al, 2001;Abe et al, 2002;Usami et al, 2003). During development, these oral muscles undergo functional changes due to weaning.…”

Section: Introductionmentioning

confidence: 99%

Changes in Muscle-fiber Properties of the Murine Digastric Muscle Before and After Weaning

et al. 2006

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The digastric muscle is one of the suprahyoid muscles, and consists of anterior and posterior bellies. Because muscle fiber alignments in these two bellies are different, the functional roles are said to be different. Since the digastric muscle relates mastication, its functions may change markedly before and after weaning, but many details remain unknown. The aim of this study was to clarify changes in muscle fiber properties of the anterior and posterior bellies of the digastric muscle before and after weaning. Expressions of myosin heavy chain (MyHC) isoforms were assessed at the protein and transcriptional levels.Expression of the MyHC-2b isoform, an isoform displaying fast, strong contraction, was greater in the anterior belly than in the posterior belly after weaning. This suggests that, in mice, the anterior belly of the digastric muscle needs to move rapidly anteroposteriorly for mastication, compared with the posterior belly.

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“…However, masticatory muscles, as well as head and neck muscles, have recently been investigated (Negoro et al, 2001;Usami et al, 2003;Abe et al, 2007). These oral-region muscles show a functional change during the developmental period of weaning.…”

Section: Introductionmentioning

confidence: 99%

Myofiber Properties of Mouse Mylohyoid Muscle in the Growth Period

et al. 2008

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The mouse mylohyoid muscle belongs to the mastication-related suprahyoid muscle group. It shows a plate-like morphology and forms the mouth floor. There have been no reports on the characteristics of the mouse mylohyoid muscle fibers, and especially on their functional role during ingestion action, and many points remain unclear. We examined the mouse mylohyoid muscle at both the transcriptional and protein levels by RT-PCR, immunohistochemistry, and Western Blotting. MyHC-2b, which is expressed in almost all head and neck muscles and is thought to play a role in rapid mastication movement, was not detected in the mouse mylohyoid muscle. This result suggests that the mouse mylohyoid muscle has a special function and does not directly function during ingestion.

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Histochemical Study of Rabbit Masseter Muscle: The effect of the alteration of food on the muscle fibers

Cited by 6 publications

References 14 publications

Alterations in enzyme histochemical characteristics of the masseter muscle caused by long‐term soft diet in growing rabbits

Alterations in enzyme histochemical characteristics of the masseter muscle caused by long‐term soft diet in growing rabbits

Changes in Muscle-fiber Properties of the Murine Digastric Muscle Before and After Weaning

Myofiber Properties of Mouse Mylohyoid Muscle in the Growth Period

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