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2003:
Tohno Setsuko; Tohno Yoshiyuki; Hayashi Motoharu; Minami Takeshi; Moriwake Yumi; Azuma Cho; Ohnishi Yoshiaki
Comparison of mineral contents between the arteries in upper and lower limbs of Japanese monkeys.
Biological trace element research 2003;
95(
2):.
To examine whether the calcium accumulation in aged arteries is related to the way of walking, the mineral contents were determined in the arteries of Japanese monkeys of quadrupedal walk by inductively coupled plasma-atomic emission spectrometry. Sixteen Japanese monkeys consisting of 7 males and 9 females ranging in age from 2 to 33 yr were studied. The accumulation of calcium, phosphorus, and magnesium occurred progressively in most, but not all, of the arteries with aging. It was found that independent of the upper and lower limbs, a higher accumulation of calcium, phosphorus, and magnesium occurred in the arteries of the proximal regions with aging, compared with the arteries of the distal regions. In a comparison between the arteries of anatomically corresponding regions of the upper and lower limbs, the accumulation of calcium and magnesium was 20-60% higher in the external iliac and femoral arteries of the lower limb than in the axillary and brachial arteries of the upper limb. Regarding phosphorus, the accumulation was 20-120% higher in the external iliac and femoral arteries than in the axillary and brachial arteries. It was known that in humans, the accumulation of calcium, phosphorus, and magnesium was three to seven times higher in the arteries of the lower limb than in the arteries of the upper limb. It is clear that there is a very significant difference in the accumulation of calcium and magnesium in the arteries of the lower limbs between Japanese monkeys and humans. The present study suggests that the accumulation of calcium and magnesium in the arteries of the lower limb with aging is affected by the way of walking.
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