Age-related changes of elements and relationships among elements in human tendons and ligaments |
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Authors: | Motohisa Yamada Yoshiyuki Tohno Setsuko Tohno Yumi Moriwake Cho Azuma Masako Utsumi Takeshi Minami Yasuo Takano Yoshinori Takakura |
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Institution: | (1) Department of Orthopedic Surgery, Nara Medical University, Kashihara, 634-8521 Nara, Japan;(2) Laboratory of Cell Biology, Department of Anatomy, Nara Medical University, Kashihara, 634-8521 Nara, Japan;(3) Laboratory of Environmental Biology, Department of Life Science, Faculty of Sciences and Engineering, Kinki University, Higashi-Osaka, 577-8521 Osaka, Japan;(4) Kio University, Kashiba, 635-0832 Nara, Japan |
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Abstract: | To elucidate compositional changes of the tendons and ligaments with aging, the authors investigated age-related changes of
element contents in the insertion tendons of the biceps brachii muscle, central tendons of the diaphragma, Achilles’ tendons,
posterior longitudinal ligaments (PLLs) of the cervical spine, ligamenta capitum femorum, and anterior cruciate ligaments.
After ordinary dissections by medical students, the three tendons and three ligaments were resected and element contents were
determined by inductively coupled plasma-atomic emission spectrometry. It was found that the elements, such as Ca, P, S, Mg,
Na, Zn, and Fe, did not change significantly in the three tendons and two ligaments with aging, except for the PLLs where
Ca and Mg increased significantly with aging and Fe decreased significantly with aging.
With regard to the relationships among elements, the common finding that there were significant correlations between Ca and
P contents and between Ca and Mg contents was obtained in the three ligaments. Likewise, the common finding that there was
a significant correlation between Ca and Mg contents was obtained in the three tendons. Regarding the relationship between
Ca and P contents, the three tendons were different from the three ligaments. |
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Keywords: | Tendon ligament calcium phosphorus magnesium aging |
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