... designated HeLaTR/4-1BB and HeaLaTR/TRAF1, respectively. Primers for amplifying the 4-1BB andTRAF1 cDNAs were: 5¢-GAATTCAAGCTTATGGGAAACAGCTGTTACAACATA-3¢ and 5¢-GAATTCAAGCTTCACAGTTCACATCCTCCTTCTTCT-3¢ ... used for amplifying the hTRa1cDNA were: 5¢-CCCGGGAAGCTTCGGACCATGGAACAGAAGCCAAGCAAGGTG-3¢ and 5¢-CCCGGGGTCGACGACTTCCTGATCCTCAAAGACCTC-3¢ .In order to overexpress 4-1BB and TRAF1 in the HeLaTRcells, ... 000Correspondence to H. Okabe, Pharmaceutical ResearchDepartment 4, Kamakura Research Laboratories,Chugai Pharmaceutical Co. Ltd, 200 Kajiwara, Kamakura,Kanagawa, 247-8530, Japan.Fax: +...