The Tohoku Journal of Experimental Medicine
Online ISSN : 1349-3329
Print ISSN : 0040-8727
ISSN-L : 0040-8727
Antigenicity of Methylated Deoxyribonucleic Acid
JUNKO IGARASHIEIJI OKUHARA
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1976 年 120 巻 1 号 p. 25-30

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Methylated salmon sperm deoxyrinbonucleic acid (Me-ssDNA) prepared by using dimethyl sulfate was used to elicit antibodies in rabbits. The antisera obtained reacted specifically with Me-ssDNA but not with thermally denatured Me-DNA, native DNA, thermally denatured DNA or ribonucleic acids (RNAs). Antibody activity was demonstrable in both IgG and IgM fractions which were obtained by Sephadex G-200 column chromatography. A single precipitating line was formed by either of IgG and IgM fractions in the double diffusion test with Me-ssDNA.
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