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首页> 外文期刊>Annals of anatomy =: Anatomischer Anzeiger : official organ of the Anatomische Gesellschaft >Expression of myosin heavy chain isoforms mRNA transcripts in the temporalis muscle of common chimpanzees ( Pan troglodytes )
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Expression of myosin heavy chain isoforms mRNA transcripts in the temporalis muscle of common chimpanzees ( Pan troglodytes )

机译：肌球蛋白重链同种型mRNA转录物的表达在普通黑猩猩的颞肌肌肉（PAN Troglodytes）中

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Abstract Purpose The common chimpanzee ( Pan troglodytes ) is the primate that is phylogenetically most closely related to humans ( Homo sapiens ). In order to shed light on the anatomy and function of the temporalis muscle in the chimpanzee, we have analyzed the expression patterns of the mRNA transcripts of the myosin heavy chain (MyHC) isoforms in different parts of the muscle. Basic procedures We dissected the superficial, deep and sphenomandibularis portions of the temporalis muscle in five adult P. troglodytes and quantified the expression of the mRNA transcripts of the MyHC isoforms in each portion using real-time quantitative polymerase chain reaction. Main findings We observed significant differences in the patterns of expression of the mRNA transcripts of the MyHC-IIM isoform between the sphenomandibularis portion and the anterior superficial temporalis (33.6% vs 47.0%; P=0.032) and between the sphenomandibularis portion and the anterior deep temporalis (33.6% vs 43.0; P=0.016). We also observed non-significant differences between the patterns of expression in the anterior and posterior superficial temporalis. Principal conclusions The differential expression patterns of the mRNA transcripts of the MyHC isoforms in the temporalis muscle in P. troglodytes may be related to the functional differences that have been observed in electromyographic studies in other species of primates. Our findings can be applicable to the fields of comparative anatomy, evolutionary anatomy, and anthropology. ]]>
机译：摘要目的普通的黑猩猩（Pan Troglodytes）是与人类最密切相关的灵长类动物（Homo Sapiens）。为了阐明在黑猩猩中颞肌的颞肌的解剖和功能，我们分析了肌肉中肌霉链（MYHC）同种型的MRNA转录物的表达模式。基本程序我们解释了五个成人P.Troglodytes的颞型肌肉的浅表，深和蝶窦部分，并使用实时定量聚合酶链反应量化了在每个部分中MyHC同种型的mRNA转录物的表达。主要发现我们观察到斯坦苗豆蔻部分与前表面颞型和前浅表颞下的MISHC-IIM同种型mRNA转录物的表达模式的显着差异（33.6％Vs 47.0％; p = 0.032），并且在蝶鞍族和前深临时（33.6％VS 43.0; P = 0.016）。我们还观察到前后表面颞下的表达模式之间的非显着差异。本金结论在P.Troglodytes中颞肌中MyHC同种型mRNA转录物的差异表达模式可能与在其他灵长类动物中肌电分析中观察到的功能差异有关。我们的调查结果适用于比较解剖学，进化解剖学和人类学的领域。 ]]>

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