0 7 Nuclear nuclear JJ 8 21 transcription transcription NN 22 29 factors factor NNS 30 34 that that WDT 35 39 bind bind VBP 40 42 to to TO 43 51 elements element NNS 52 54 of of IN 55 58 the the DT 59 63 IL-2 il-2 NN 64 72 promoter promoter NN 72 73 . . . 74 83 Induction Induction NNP 84 96 requirements requirement NNS 97 99 in in IN 100 107 primary primary JJ 108 113 human human JJ 114 115 T t NN 116 121 cells cell NNS 121 122 . . . 124 129 Prior prior JJ 130 137 studies study NNS 138 142 have have VBP 143 153 identified identify VBN 154 161 several several JJ 162 170 elements element NNS 171 175 that that WDT 176 186 contribute contribute VBP 187 189 to to TO 190 193 the the DT 194 202 activity activity NN 203 205 of of IN 206 209 the the DT 210 214 IL-2 il-2 NN 215 223 promoter promoter NN 224 226 in in IN 227 230 the the DT 231 241 stimulated stimulate VBN 242 243 T t NN 244 248 cell cell NN 249 253 line line NN 253 254 , , , 255 261 Jurkat Jurkat NNP 261 262 . . . 263 266 The the DT 267 272 sites site NNS 273 276 and and CC 277 282 their their PRP$ 283 296 corresponding correspond VBG 297 304 nuclear nuclear JJ 305 312 binding binding NN 313 320 factors factor NNS 321 328 include include VBP 328 329 : : : 330 338 NF-kappa NF-kappa NNP 339 340 B B NNP 340 341 , , , 342 346 AP-1 AP-1 NNP 346 347 , , , 348 352 AP-3 AP-3 NNP 352 353 , , , 354 359 OCT-1 OCT-1 NNP 359 360 , , , 361 364 and and CC 365 370 NF-AT NF-AT NNP 370 371 . . . 372 375 The the DT 376 382 latter latter JJ 383 384 “ `` `` 384 391 nuclear nuclear JJ 392 398 factor factor NN 399 402 for for IN 403 412 activated activate VBN 413 414 T t NN 415 420 cells cell NNS 420 421 ” '' '' 422 428 likely likely RB 429 440 contributes contribute VBZ 441 443 to to TO 444 447 the the DT 448 454 tissue tissue NN 455 466 specificity specificity NN 467 469 of of IN 470 474 IL-2 il-2 NN 475 479 gene gene NN 480 490 expression expression NN 490 491 . . . 492 497 Using use VBG 498 513 electrophoretic electrophoretic JJ 514 522 mobility mobility NN 523 528 shift shift NN 529 535 assays assay NNS 535 536 , , , 537 539 we we PRP 540 544 have have VBP 545 552 studied study VBN 553 558 these these DT 559 572 transcription transcription NN 573 580 factors factor NNS 581 583 in in IN 584 591 primary primary JJ 592 593 T t NN 594 599 cells cell NNS 600 604 from from IN 605 610 human human JJ 611 616 blood blood NN 617 619 to to TO 620 626 verify verify VB 627 632 their their PRP$ 633 641 presence presence NN 642 644 in in IN 645 646 a a DT 647 658 physiologic physiologic JJ 659 666 setting setting NN 667 670 and and CC 671 673 to to TO 674 682 identify identify VB 683 686 the the DT 687 694 signals signal NNS 695 699 that that WDT 700 709 stimulate stimulate VBP 710 716 factor factor NN 717 725 activity activity NN 725 726 . . . 727 730 All all DT 731 738 factors factor NNS 739 742 are be VBP 743 750 induced induce VBN 751 753 in in IN 754 757 the the DT 758 764 nuclei nucleus NNS 765 767 of of IN 768 769 T t NN 770 775 cells cell NNS 776 780 upon upon IN 781 791 activation activation NN 792 796 with with IN 797 805 mitogens mitogen NNS 806 809 but but CC 810 813 not not RB 814 818 with with IN 819 828 exogenous exogenous JJ 829 833 IL-2 il-2 NN 834 840 growth growth NN 841 847 factor factor NN 847 848 . . . 849 856 However however RB 856 857 , , , 858 861 the the DT 862 871 signaling signaling NN 872 884 requirements requirement NNS 885 888 and and CC 889 900 sensitivity sensitivity NN 901 903 to to TO 904 911 protein protein NN 912 921 synthesis synthesis NN 922 932 inhibitors inhibitor NNS 933 939 differ differ VBP 940 952 considerably considerably RB 952 953 . . . 954 958 Only only RB 959 962 the the DT 963 973 activities activity NNS 974 977 for for IN 978 983 NF-AT NF-AT NNP 984 987 and and CC 988 992 AP-1 ap-1 NN 993 998 sites site NNS 999 1006 require require VBP 1007 1010 two two CD 1011 1018 signals signal NNS 1019 1022 for for IN 1023 1030 optimal optimal JJ 1031 1040 induction induction NN 1040 1041 , , , 1042 1046 i.e. i.e. FW 1046 1047 , , , 1048 1051 PMA PMA NNP 1052 1056 plus plus CC 1057 1063 either either CC 1064 1070 lectin lectin NN 1071 1073 or or CC 1074 1082 antibody antibody NN 1083 1085 to to TO 1086 1089 the the DT 1090 1093 CD3 cd3 NN 1094 1096 or or CC 1097 1101 CD28 cd28 NN 1102 1109 surface surface NN 1110 1119 molecules molecule NNS 1119 1120 . . . 1121 1126 Other other JJ 1127 1134 factors factor NNS 1135 1138 are be VBP 1139 1146 induced induce VBN 1147 1149 by by IN 1150 1156 lectin lectin NN 1156 1157 , , , 1158 1166 antibody antibody NN 1166 1167 , , , 1168 1174 and/or and/or CC 1175 1178 PMA PMA NNP 1179 1184 alone alone RB 1184 1185 . . . 1186 1191 After after IN 1192 1203 appropriate appropriate JJ 1204 1215 stimulation stimulation NN 1215 1216 , , , 1217 1221 both both CC 1222 1227 NF-AT NF-AT NNP 1228 1231 and and CC 1232 1236 AP-1 AP-1 NNP 1237 1240 are be VBP 1241 1251 peculiarly peculiarly RB 1252 1261 sensitive sensitive JJ 1262 1264 to to TO 1265 1268 the the DT 1269 1276 protein protein NN 1277 1286 synthesis synthesis NN 1287 1296 inhibitor inhibitor NN 1297 1307 anisomycin anisomycin NN 1307 1308 . . . 1309 1312 Our our PRP$ 1313 1317 data datum NNS 1318 1327 correlate correlate VBP 1328 1331 the the DT 1332 1340 activity activity NN 1341 1343 of of IN 1344 1349 NF-AT NF-AT NNP 1350 1353 and and CC 1354 1358 AP-1 ap-1 NN 1359 1361 in in IN 1362 1365 gel gel NN 1366 1371 shift shift NN 1372 1378 assays assay NNS 1379 1383 with with IN 1384 1387 the the DT 1388 1391 two two CD 1392 1399 signals signal NNS 1400 1412 requirements requirement NNS 1413 1416 for for IN 1417 1421 IL-2 il-2 NN 1422 1426 gene gene NN 1427 1437 expression expression NN 1437 1438 . . .