0 7 Okadaic okadaic JJ 8 12 acid acid NN 13 15 is be VBZ 16 17 a a DT 18 24 potent potent JJ 25 32 inducer inducer NN 33 35 of of IN 36 40 AP-1 ap-1 NN 40 41 , , , 42 50 NF-kappa NF-kappa NNP 51 52 B B NNP 52 53 , , , 54 57 and and CC 58 63 tumor tumor NN 64 72 necrosis necrosis NN 73 85 factor-alpha factor-alpha NN 86 88 in in IN 89 94 human human JJ 95 96 B B NNP 97 108 lymphocytes lymphocyte NNS 108 109 . . . 111 120 Treatment Treatment NNP 121 123 of of IN 124 129 human human JJ 130 131 B B NNP 132 143 lymphocytes lymphocyte NNS 144 148 with with IN 149 151 an an DT 152 159 optimal optimal JJ 160 173 concentration concentration NN 174 176 of of IN 177 184 okadaic okadaic JJ 185 189 acid acid NN 189 190 , , , 191 193 an an DT 194 203 inhibitor inhibitor NN 204 206 of of IN 207 219 phosphatases phosphatas NNS 220 221 1 1 CD 222 225 and and CC 226 228 2A 2a NN 228 229 , , , 230 238 resulted result VBD 239 241 in in IN 242 245 the the DT 246 255 induction induction NN 256 258 of of IN 259 262 the the DT 263 276 transcription transcription NN 277 283 factor factor NN 283 284 , , , 285 289 AP-1 ap-1 NN 290 293 and and CC 294 295 a a DT 296 302 marked marked JJ 303 311 increase increase NN 312 314 in in IN 315 323 NF-kappa NF-kappa NNP 324 325 B B NNP 326 332 levels level NNS 332 333 . . . 334 336 In in IN 337 345 contrast contrast NN 345 346 , , , 347 349 no no DT 350 356 effect effect NN 357 359 on on IN 360 363 the the DT 364 370 levels level NNS 371 373 of of IN 374 377 the the DT 378 385 octamer octamer NN 386 393 binding binding NN 394 402 proteins protein NNS 402 403 , , , 404 409 Oct-1 oct-1 NN 410 412 or or CC 413 418 Oct-2 oct-2 NN 418 419 , , , 420 424 were be VBD 425 430 found find VBN 430 431 . . . 432 437 Since since IN 438 442 both both CC 443 447 AP-1 ap-1 NN 448 451 and and CC 452 460 NF-kappa NF-kappa NNP 461 462 B B NNP 463 467 have have VBP 468 472 been be VBN 473 481 reported report VBN 482 484 to to TO 485 487 be be VB 488 497 important important JJ 498 500 in in IN 501 504 the the DT 505 514 induction induction NN 515 517 of of IN 518 521 the the DT 522 527 tumor tumor NN 528 536 necrosis necrosis NN 537 549 factor-alpha factor-alpha NN 550 551 ( ( ( 551 560 TNF-alpha TNF-alpha NNP 560 561 ) ) ) 562 566 gene gene NN 567 569 we we PRP 570 578 examined examine VBD 579 582 the the DT 583 590 effects effect NNS 591 593 of of IN 594 601 okadaic okadaic JJ 602 606 acid acid NN 607 609 on on IN 610 619 TNF-alpha TNF-alpha NNP 620 624 mRNA mRNA NNP 625 631 levels level NNS 631 632 . . . 633 642 Treatment Treatment NNP 643 647 with with IN 648 655 okadaic okadaic JJ 656 660 acid acid NN 661 669 resulted result VBD 670 672 in in IN 673 674 a a DT 675 683 striking striking JJ 684 692 increase increase NN 693 695 in in IN 696 705 TNF-alpha TNF-alpha NNP 706 710 mRNA mRNA NNP 711 722 transcripts transcript NNS 723 729 within within IN 730 731 1 1 CD 732 733 h h NN 734 736 of of IN 737 748 stimulation stimulation NN 749 752 and and CC 753 758 large large JJ 759 766 amounts amount NNS 767 769 of of IN 770 779 TNF-alpha TNF-alpha NNP 780 784 were be VBD 785 793 released release VBN 794 798 into into IN 799 802 the the DT 803 810 culture culture NN 811 816 media medium NNS 816 817 . . . 818 826 Although although IN 827 834 okadaic okadaic JJ 835 839 acid acid NN 840 848 provides provide VBZ 849 850 a a DT 851 857 potent potent JJ 858 867 inductive inductive JJ 868 874 signal signal NN 875 878 for for IN 879 883 AP-1 AP-1 NNP 884 887 and and CC 888 896 NF-kappa NF-kappa NNP 897 898 B B NNP 899 901 it it PRP 902 905 did do VBD 906 909 not not RB 910 916 induce induce VB 917 923 either either CC 924 925 B B NNP 926 930 cell cell NN 931 944 proliferation proliferation NN 945 947 or or CC 948 962 immunoglobulin immunoglobulin NN 963 972 secretion secretion NN 972 973 . . .