0 10 Regulation Regulation NNP 11 13 of of IN 14 17 IkB IkB NNP 18 23 alpha alpha NN 24 39 phosphorylation phosphorylation NN 40 42 by by IN 43 47 PKC- PKC- NNP 48 51 and and CC 52 68 Ca(2+)-dependent ca(2+)-dependent JJ 69 75 signal signal NN 76 88 transduction transduction NN 89 97 pathways pathway NNS 97 98 . . . 100 103 The the DT 104 120 Ca(2+)-dependent ca(2+)-dependent JJ 121 132 phosphatase phosphatase NN 133 144 calcineurin calcineurin NN 144 145 , , , 146 147 a a DT 148 154 target target NN 155 157 of of IN 158 163 FK506 FK506 NNP 164 167 and and CC 168 171 CsA CsA NNP 171 172 , , , 173 183 synergizes synergize VBZ 184 188 with with IN 189 200 PKC-induced pkc-induced JJ 201 211 activation activation NN 212 214 of of IN 215 222 nuclear nuclear JJ 223 229 factor factor NN 230 231 ( ( ( 231 240 NF)-kappa NF)-kappa NNP 241 242 B B NNP 243 245 in in IN 246 247 T t NN 248 252 cell cell NN 253 258 lines line NNS 258 259 . . . 260 262 We we PRP 263 267 have have VBP 268 280 investigated investigate VBN 281 288 whether whether IN 289 293 this this DT 294 301 synergy synergy NN 302 304 is be VBZ 305 312 present present JJ 313 315 in in IN 316 321 other other JJ 322 326 cell cell NN 327 332 types type NNS 333 336 and and CC 337 340 the the DT 341 353 mechanism(s) mechanism(s) NN 354 356 by by IN 357 362 which which WDT 363 368 these these DT 369 372 two two CD 373 381 pathways pathway NNS 382 386 lead lead VBP 387 389 to to TO 390 398 NF-kappa NF-kappa NNP 399 400 B B NNP 401 411 activation activation NN 411 412 . . . 413 418 While while IN 419 423 this this DT 424 431 synergy synergy NN 432 434 is be VBZ 435 442 present present JJ 443 445 in in IN 446 451 other other JJ 452 456 cell cell NN 457 462 types type NNS 462 463 , , , 464 466 in in IN 467 470 the the DT 471 480 monocytic monocytic JJ 481 485 cell cell NN 486 490 line line NN 491 495 U937 u937 NN 496 507 calcineurin calcineurin NN 508 510 is be VBZ 511 515 also also RB 516 526 sufficient sufficient JJ 527 529 to to TO 530 538 activate activate VB 539 547 NF-kappa NF-kappa NNP 548 550 B. B. NNP 551 557 Having have VBG 558 568 previously previously RB 569 574 shown show VBN 575 579 that that IN 580 587 Ca(2+)- Ca(2+)- NNP 588 591 and and CC 592 605 PKC-dependent pkc-dependent JJ 606 614 pathways pathway NNS 615 624 synergize synergize VBP 625 627 by by IN 628 640 accelerating accelerate VBG 641 644 the the DT 645 656 degradation degradation NN 657 659 of of IN 660 663 IkB IkB NNP 664 669 alpha alpha NN 669 670 , , , 671 673 we we PRP 674 681 focused focus VBD 682 684 on on IN 685 688 the the DT 689 699 regulation regulation NN 700 702 of of IN 703 706 IkB IkB NNP 707 712 alpha alpha NN 713 728 phosphorylation phosphorylation NN 728 729 . . . 730 735 While while IN 736 749 PKC-dependent pkc-dependent JJ 750 758 pathways pathway NNS 759 771 sequentially sequentially RB 772 778 result result VBP 779 781 in in IN 782 785 the the DT 786 801 phosphorylation phosphorylation NN 802 805 and and CC 806 808 in in IN 809 811 an an DT 812 822 incomplete incomplete JJ 823 834 degradation degradation NN 835 837 of of IN 838 841 IkB IkB NNP 842 847 alpha alpha NN 848 850 in in IN 851 852 T t NN 853 857 cell cell NN 858 863 lines line NNS 863 864 , , , 865 878 co-activation co-activation NN 879 881 of of IN 882 898 Ca(2+)-dependent ca(2+)-dependent JJ 899 907 pathways pathway NNS 908 919 accelerates accelerate VBZ 920 923 the the DT 924 928 rate rate NN 929 931 of of IN 932 935 IkB IkB NNP 936 941 alpha alpha NN 942 957 phosphorylation phosphorylation NN 958 961 and and CC 962 969 results result VBZ 970 972 in in IN 973 976 its its PRP$ 977 985 complete complete JJ 986 997 degradation degradation NN 997 998 . . . 999 1009 Activation Activation NNP 1010 1012 of of IN 1013 1029 Ca(2+)-dependent ca(2+)-dependent JJ 1030 1038 pathways pathway NNS 1039 1044 alone alone RB 1045 1047 do do VBP 1048 1051 not not RB 1052 1058 result result VB 1059 1061 in in IN 1062 1065 the the DT 1066 1081 phosphorylation phosphorylation NN 1082 1088 and/or and/or CC 1089 1100 degradation degradation NN 1101 1103 of of IN 1104 1107 IkB IkB NNP 1108 1113 alpha alpha NN 1114 1116 in in IN 1117 1123 Jurkat Jurkat NNP 1124 1125 T t NN 1126 1128 or or CC 1129 1131 in in IN 1132 1136 U937 u937 NN 1137 1142 cells cell NNS 1142 1143 . . . 1144 1153 Treatment Treatment NNP 1154 1156 of of IN 1157 1158 T t NN 1159 1164 cells cell NNS 1165 1169 with with IN 1170 1173 the the DT 1174 1183 selective selective JJ 1184 1187 PKC PKC NNP 1188 1197 inhibitor inhibitor NN 1198 1207 GF109203X GF109203X NNP 1208 1217 abrogates abrogate VBZ 1218 1221 the the DT 1222 1233 PMA-induced pma-induced JJ 1234 1237 IkB IkB NNP 1238 1243 alpha alpha NN 1244 1271 phosphorylation/degradation phosphorylation/degradation NN 1272 1284 irrespective irrespective JJ 1285 1287 of of IN 1288 1298 activation activation NN 1299 1301 of of IN 1302 1318 Ca(2+)-dependent ca(2+)-dependent JJ 1319 1327 pathways pathway NNS 1327 1328 , , , 1329 1332 but but CC 1333 1336 not not RB 1337 1340 the the DT 1341 1356 phosphorylation phosphorylation NN 1357 1360 and and CC 1361 1372 degradation degradation NN 1373 1375 of of IN 1376 1379 IkB IkB NNP 1380 1385 alpha alpha NN 1386 1393 induced induce VBN 1394 1396 by by IN 1397 1406 TNF-alpha TNF-alpha NNP 1406 1407 , , , 1408 1409 a a DT 1410 1425 PKC-independent pkc-independent JJ 1426 1434 stimulus stimulus NN 1434 1435 . . . 1436 1444 Contrary contrary JJ 1445 1447 to to TO 1448 1451 the the DT 1452 1463 interaction interaction NN 1464 1468 with with IN 1469 1472 PKC PKC NNP 1472 1473 , , , 1474 1490 Ca(2+)-dependent ca(2+)-dependent JJ 1491 1499 pathways pathway NNS 1500 1509 synergize synergize VBP 1510 1514 with with IN 1515 1524 TNF-alpha TNF-alpha NNP 1525 1528 not not RB 1529 1531 at at IN 1532 1535 the the DT 1536 1541 level level NN 1542 1544 of of IN 1545 1548 IkB IkB NNP 1549 1554 alpha alpha NN 1555 1570 phosphorylation phosphorylation NN 1570 1571 , , , 1572 1575 but but CC 1576 1578 at at IN 1579 1582 the the DT 1583 1588 level level NN 1589 1591 of of IN 1592 1595 its its PRP$ 1596 1607 degradation degradation NN 1607 1608 . . . 1609 1614 These these DT 1615 1622 results result NNS 1623 1631 indicate indicate VBP 1632 1636 that that IN 1637 1653 Ca(2+)-dependent ca(2+)-dependent JJ 1654 1662 pathways pathway NNS 1662 1663 , , , 1664 1673 including include VBG 1674 1677 the the DT 1678 1689 phosphatase phosphatase NN 1690 1701 calcineurin calcineurin NN 1701 1702 , , , 1703 1714 participate participate VBP 1715 1717 in in IN 1718 1721 the the DT 1722 1732 regulation regulation NN 1733 1735 of of IN 1736 1744 NF-kappa NF-kappa NNP 1745 1746 B B NNP 1747 1749 in in IN 1750 1751 a a DT 1752 1756 cell cell NN 1757 1765 specific specific JJ 1766 1773 fashion fashion NN 1774 1777 and and CC 1778 1787 synergize synergize VB 1788 1792 with with IN 1793 1806 PKC-dependent pkc-dependent JJ 1807 1810 and and CC 1811 1823 -independent -independent JJ 1824 1832 pathways pathway NNS 1833 1835 at at IN 1836 1839 the the DT 1840 1845 level level NN 1846 1848 of of IN 1849 1852 IkB IkB NNP 1853 1858 alpha alpha NN 1859 1874 phosphorylation phosphorylation NN 1875 1878 and and CC 1879 1890 degradation degradation NN 1890 1891 . . .