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1 March 2006 Suppression of Atopic Dermatitis and Tumor Metastasis in Mice by Small Amounts of Radon
Mareyuki Takahashi, Shuji Kojima
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Abstract

Takahashi, M. and Kojima, S. Suppression of Atopic Dermatitis and Tumor Metastasis in Mice by Small Amounts of Radon. Radiat. Res. 165, 337–342 (2006).

We examined the effect of radon in two experimental disease models in mice by administering radon dissolved in water at 68–203 Bq/liter. Administration of radon in drinking water to NC/Nga mice significantly delayed the progression of atopic dermatitis-like skin lesions induced by picrylchloride when administered prior to the induction of disease signs. The number of pulmonary metastatic foci in C57BL/6 mice inoculated with B16 melanoma cells was also reduced significantly by administration of radon in drinking water when the number of tumor cells was small and the radon treatment was started prior to tumor inoculation. The ratio of Ifng to Il4 produced by splenocytes from BALB/c mice immunized with DNP-Ascaris was significantly increased by administration of radon in drinking water. From these results, a modulation of immunity by radon was suggested.

Mareyuki Takahashi and Shuji Kojima "Suppression of Atopic Dermatitis and Tumor Metastasis in Mice by Small Amounts of Radon," Radiation Research 165(3), 337-342, (1 March 2006). https://doi.org/10.1667/RR3501.1
Received: 11 March 2005; Accepted: 1 September 2005; Published: 1 March 2006
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