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Expression of MyHC isoforms mRNA transcripts in different regions of the masseter and medial pterygoid muscles in chimpanzees

Ciurana, Neus, Artells, Rosa, Muñoz, Carmen, Arias-Martorell, Júlia, Bello-Hellegouarch, Gaëlle, Pérez-Pérez, Alejandro, Pastor, Juan Francisco, Potau, Josep Maria (2017) Expression of MyHC isoforms mRNA transcripts in different regions of the masseter and medial pterygoid muscles in chimpanzees. Archives of Oral Biology, 83 . pp. 63-67. ISSN 0003-9969. (doi:10.1016/j.archoralbio.2017.07.003) (KAR id:62876)

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https://doi.org/10.1016/j.archoralbio.2017.07.003

Abstract

Objective

The masseter, deep and superficial portion, and medial pterygoid muscles of five adult Pan troglodytes were dissected in order to obtain samples of the anterior and posterior regions of each portion of the

No significant differences in expression of MyHC isoforms between the masseter and the medial pterygoid were found. In contrast, when comparing the superficial and the deep portion of the masseter, we found that the MyHC-IIM isoform was expressed at a significantly higher level in the superficial portion.

Conclusions

The superficial portion of the masseter and the medial pterygoid muscle have the same expression pattern regarding the different MyHC isoforms. On the other hand, the deep portion of the masseter, which is activated mainly during lateral and repositioning movements of the mandible, has a lower MyHC-IIM isoform expression than the superficial portion. Our findings provide new data on functional aspects of the masseter and medial pterygoid that can complement results obtained by other techniques.

Item Type: Article
DOI/Identification number: 10.1016/j.archoralbio.2017.07.003
Uncontrolled keywords: MasseterMedial pterygoidMyosin heavy chainRT-qPCR
Divisions: Faculties > Social Sciences > School of Anthropology and Conservation
Depositing User: Matthias Werner
Date Deposited: 17 Aug 2017 11:49 UTC
Last Modified: 29 May 2019 19:22 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/62876 (The current URI for this page, for reference purposes)
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