PROBLEM TO BE SOLVED: To provide a method for determining whether a specimen containing a repetitive sequence located in intron 6 of IL-1α gene is a significant specimen that can be used for predicting a high crisis risk of HTLV-1-related myelosis.;SOLUTION: This method for determining whether the specimen containing a repetitive sequence located in intron 6 of IL-1α gene is a significant specimen that can be used for predicting the high crisis risk of HTLV-1-related myelosis comprises the steps of (a) collecting the specimen from a subject, (b) amplifying the repetitive sequence in the specimen, (c) measuring the number of the repetition of the amplified repetitive sequence, and (d) determining the specimen to be the significant specimen if the repetition number is 9.;COPYRIGHT: (C)2002,JPO
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