Selective accumulations of aluminum in five human arteries |
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Authors: | Takeshi Minami Setsuko Tohno Masako Utsumi Yumi Moriwake Masa-Oki Yamada Yoshiyuki Tohno |
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Institution: | (1) Department of Living Sciences and Program Processing, Kinki University Toyo-Oka Junior College, 160 Tobera, Toyo-Oka, 668-8580 Hyogo, Japan;(2) Laboratory of Cell Biology, Department of Anatomy, Nara Medical University, 840 Shijo-Cho, Kashihara, 634-8521 Nara, Japan |
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Abstract: | The aim of the present study was to determine variability of aluminum (Al) accumulation in human arteries and to observe the relationship between Al and five other elements (Ca, Fe, Mg, P, and Si) in the arteries. The Al contents in the thoracic aorta, basilar, coronary, femoral, and radial arteries of 26 human subjects were estimated by an inductively coupled plasma-atomic emission spectrometer and compared quantitatively to five elements. Al was detected in 88% of the cases in both the femoral and radial arteries, 73% in the coronary artery, 58% in the aorta, and 31% in the basilar artery. The average Al content was highest in the femoral artery (48.3 +/- 15.0 microg/g dry weight) and lowest in the basilar artery (8.1 +/- 3.6 microg/g). The Al had positive correlations with P, Ca, or Mg in both the aorta and femoral artery, and with Ca or P in the basilar artery. In the coronary artery, a correlation was found between Al and Si. No relationships were found between Al and each of the five elements in the radial artery. From these results, Al varied widely among the five arteries and accumulated more in the femoral and radial arteries but less in the basilar artery. These accumulations of Al were positively correlated with Ca or P in several arteries, but not sufficiently to explain the accumulation of Al. Further investigations are required to understand the mechanism of the variability of Al accumulation in the arteries. |
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Keywords: | Aluminum phosphorus calcium aorta basilar artery coronary artery femoral artery radial artery |
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