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In vitro synthesized protein assay of 5′ (A) and 3′ (B) segments of the hMLH1 gene from the glioblastoma of patient A. The bands with highest molecular weight and strongest intensity correspond to the normal products. Truncated products of 21 and 18 kd (arrowheads) are noted in the 5′ and 3′ segments. Lanes C, blood leukocytes from a normal individual as control; lanes T, glioblastoma.
