Summary
The evolution of the mineral constituents of subcutaneous calcinosis induced in rats by topical calciphylaxis was studied by the method of quantitative chemical analysis, and after treatment with excited gases by electron spin resonance (ESR) analysis.
Chemical data show that the genesis of the subcutaneous calcinosis does not significantly alter the concentration of Ca, P, F, CO3, Mg, and Fe in the mineral phase of the femoral bone of calciphylactic rats. In the calcinosis an important increase of the fluoride concentration is noticed in function of the time after challenging. There is also a high concentration of Mg2+ ions in the early stages of the experimental calcification. Iron injected for the challenging is continuously present in the calciphylactic tissue after this treatment. This suggests that subcutaneous calcinosis might be a means of fixing certain heavy metal ions.
After treatment with excited gases, the proportions of the trapped CO3 3− and O3 − radicals are of the same order of magnitude in calciphylactic tissue after 12 days and observations in bone mineral. These suggest that after 12 days the mineral of the calciphylactic tissue has a crystalline state close to that of bone.
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Tochon-Danguy, H.J., Geoffroy, M., Boivin, G. et al. Mineral substance of bone tissue and of experimental cutaneous calcinosis in rats: Chemical analysis and ESR study. Calc. Tis Res. 26, 259–265 (1978). https://doi.org/10.1007/BF02013268
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DOI: https://doi.org/10.1007/BF02013268