0 11 Cyclosporin Cyclosporin NNP 12 13 A A NNP 14 22 inhibits inhibit VBZ 23 28 early early JJ 29 33 mRNA mrna NN 34 44 expression expression NN 45 47 of of IN 48 53 G0/G1 g0/g1 NN 54 60 switch switch NN 61 65 gene gene NN 66 67 2 2 CD 68 69 ( ( ( 69 73 G0S2 g0s2 NN 73 74 ) ) ) 75 77 in in IN 78 86 cultured culture VBN 87 92 human human JJ 93 98 blood blood NN 99 110 mononuclear mononuclear JJ 111 116 cells cell NNS 116 117 . . . 119 130 Cyclosporin Cyclosporin NNP 131 132 A A NNP 133 134 ( ( ( 134 137 CsA CsA NNP 137 138 ) ) ) 139 142 may may MD 143 150 achieve achieve VB 151 154 its its PRP$ 155 172 immunosuppressive immunosuppressive JJ 173 180 effects effect NNS 181 183 by by IN 184 194 inhibiting inhibit VBG 195 198 the the DT 199 207 calcium- calcium- NN 208 211 and and CC 212 232 calmodulin-dependent calmodulin-dependent JJ 233 244 phosphatase phosphatase NN 245 256 calcineurin calcineurin NN 257 262 which which WDT 263 265 is be VBZ 266 274 required require VBN 275 278 for for IN 279 289 activation activation NN 290 292 of of IN 293 299 target target NN 300 305 genes gene NNS 306 308 by by IN 309 316 members member NNS 317 319 of of IN 320 323 the the DT 324 328 NFAT NFAT NNP 329 330 ( ( ( 330 337 nuclear nuclear JJ 338 344 factor factor NN 345 347 of of IN 348 357 activated activate VBN 358 359 T t NN 360 365 cells cell NNS 365 366 ) ) ) 367 380 transcription transcription NN 381 387 factor factor NN 388 394 family family NN 394 395 . . . 396 401 Among among IN 402 407 these these DT 408 414 target target NN 415 420 genes gene NNS 421 423 is be VBZ 424 427 the the DT 428 432 gene gene NN 433 441 encoding encode VBG 442 455 interleukin-2 interleukin-2 NN 456 457 ( ( ( 457 460 IL2 IL2 NNP 460 461 ) ) ) 461 462 , , , 463 464 a a DT 465 473 cytokine cytokine NN 474 486 facilitating facilitate VBG 487 498 progression progression NN 499 506 through through IN 507 510 the the DT 511 513 G1 g1 NN 514 519 phase phase NN 520 522 of of IN 523 526 the the DT 527 531 cell cell NN 532 537 cycle cycle NN 537 538 . . . 539 546 However however RB 546 547 , , , 548 551 IL2 IL2 NNP 552 556 does do VBZ 557 560 not not RB 561 568 reverse reverse VB 569 572 CsA CsA NNP 573 583 inhibition inhibition NN 583 584 , , , 585 595 suggesting suggest VBG 596 600 that that IN 601 603 at at IN 604 609 least least JJS 610 613 one one CD 614 619 other other JJ 620 634 NFAT-sensitive nfat-sensitive JJ 635 639 gene gene NN 640 643 may may MD 644 646 be be VB 647 655 involved involve VBN 655 656 . . . 657 660 The the DT 661 666 human human JJ 667 672 G0/G1 g0/g1 NN 673 679 switch switch NN 680 684 gene gene NN 684 685 , , , 686 690 G0S2 G0S2 NNP 690 691 , , , 692 695 has have VBZ 696 705 potential potential JJ 706 718 NFAT-binding nfat-binding JJ 719 724 sites site NNS 725 727 in in IN 728 731 the the DT 732 733 5 5 CD 733 734 ’ ' SYM 735 740 flank flank NN 741 744 and and CC 745 752 encodes encode VBZ 753 754 a a DT 755 760 small small JJ 761 766 basic basic JJ 767 776 potential potential JJ 777 791 phosphoprotein phosphoprotein NN 792 794 of of IN 795 802 unknown unknown JJ 803 811 function function NN 811 812 . . . 813 818 Using use VBG 819 820 a a DT 821 830 sensitive sensitive JJ 830 831 , , , 832 839 reverse reverse JJ 840 864 transcription-polymerase transcription-polymerase NN 865 870 chain chain NN 871 879 reaction reaction NN 880 881 ( ( ( 881 887 RT-PCR RT-PCR NNP 887 888 ) ) ) 889 894 assay assay NN 894 895 , , , 896 900 G0S2 g0s2 NN 901 905 mRNA mrna NN 906 912 levels level NNS 913 917 were be VBD 918 925 assayed assay VBN 926 928 in in IN 929 937 cultured culture VBN 938 943 blood blood NN 944 955 mononuclear mononuclear JJ 956 961 cells cell NNS 961 962 . . . 963 970 Freshly freshly RB 971 979 isolated isolate VBN 980 985 cells cell NNS 986 993 contain contain VBP 994 998 high high JJ 999 1005 levels level NNS 1006 1008 of of IN 1009 1013 G0S2 g0s2 NN 1014 1018 mRNA mRNA NNP 1019 1024 which which WDT 1025 1032 rapidly rapidly RB 1033 1040 decline decline VBP 1040 1041 . . . 1042 1046 This this DT 1047 1048 “ `` `` 1048 1059 spontaneous spontaneous JJ 1060 1071 stimulation stimulation NN 1071 1072 ” '' '' 1073 1075 is be VBZ 1076 1080 also also RB 1081 1086 noted note VBN 1087 1091 with with IN 1092 1096 some some DT 1097 1102 other other JJ 1103 1106 G0S G0S NNP 1107 1112 genes gene NNS 1113 1116 and and CC 1117 1120 has have VBZ 1121 1125 been be VBN 1126 1136 attributed attribute VBN 1137 1139 to to TO 1140 1144 some some DT 1145 1151 aspect aspect NN 1152 1154 of of IN 1155 1158 the the DT 1159 1168 isolation isolation NN 1169 1178 procedure procedure NN 1178 1179 . . . 1180 1182 In in IN 1183 1188 cells cell NNS 1189 1193 that that WDT 1194 1198 have have VBP 1199 1203 been be VBN 1204 1216 preincubated preincubate VBN 1217 1219 to to TO 1220 1225 lower lower VB 1226 1230 mRNA mrna NN 1231 1237 levels level NNS 1237 1238 , , , 1239 1244 there there EX 1245 1247 is be VBZ 1248 1249 a a DT 1250 1259 transient transient JJ 1260 1268 increase increase NN 1269 1271 in in IN 1272 1276 G0S2 G0S2 NNP 1277 1281 mRNA mRNA NNP 1281 1282 , , , 1283 1290 peaking peak VBG 1291 1298 between between IN 1299 1302 1-2 1-2 CD 1303 1304 h h NN 1304 1305 , , , 1306 1308 in in IN 1309 1317 response response NN 1318 1320 to to TO 1321 1335 Concanavalin-A Concanavalin-A NNP 1336 1337 ( ( ( 1337 1341 ConA ConA NNP 1341 1342 ) ) ) 1342 1343 , , , 1344 1346 or or CC 1347 1349 to to TO 1350 1353 the the DT 1354 1365 combination combination NN 1366 1368 of of IN 1369 1376 phorbol phorbol NN 1377 1382 ester ester NN 1383 1384 ( ( ( 1384 1387 TPA TPA NNP 1387 1388 ) ) ) 1388 1389 , , , 1390 1393 and and CC 1394 1397 the the DT 1398 1405 calcium calcium NN 1406 1415 ionophore ionophore NN 1415 1416 , , , 1417 1426 ionomycin ionomycin NN 1426 1427 . . . 1428 1432 Both both DT 1433 1438 these these DT 1439 1448 responses response NNS 1449 1452 are be VBP 1453 1462 inhibited inhibit VBN 1463 1465 by by IN 1466 1469 CsA CsA NNP 1469 1470 . . . 1471 1474 Our our PRP$ 1475 1482 results result NNS 1483 1490 suggest suggest VBP 1491 1495 that that IN 1496 1500 G0S2 g0s2 NN 1501 1511 expression expression NN 1512 1514 is be VBZ 1515 1523 required require VBN 1524 1526 to to TO 1527 1533 commit commit VB 1534 1539 cells cell NNS 1540 1542 to to TO 1543 1548 enter enter VB 1549 1552 the the DT 1553 1555 G1 g1 NN 1556 1561 phase phase NN 1562 1564 of of IN 1565 1568 the the DT 1569 1573 cell cell NN 1574 1579 cycle cycle NN 1579 1580 , , , 1581 1584 and and CC 1585 1589 that that IN 1589 1590 , , , 1591 1596 while while IN 1597 1600 not not RB 1601 1610 excluding exclude VBG 1611 1616 other other JJ 1617 1625 possible possible JJ 1626 1633 targets target NNS 1633 1634 , , , 1635 1640 early early JJ 1641 1651 inhibition inhibition NN 1652 1654 of of IN 1655 1659 G0S2 g0s2 NN 1660 1670 expression expression NN 1671 1673 by by IN 1674 1677 CsA CsA NNP 1678 1681 may may MD 1682 1684 be be VB 1685 1694 important important JJ 1695 1697 in in IN 1698 1707 achieving achieve VBG 1708 1725 immunosuppression immunosuppression NN 1725 1726 . . . 1727 1731 G0S2 G0S2 NNP 1732 1735 may may MD 1736 1738 be be VB 1739 1741 of of IN 1742 1747 value value NN 1748 1750 as as IN 1751 1752 a a DT 1753 1761 reporter reporter NN 1762 1766 gene gene NN 1767 1770 for for IN 1771 1780 analyzing analyze VBG 1781 1784 the the DT 1785 1794 mechanism mechanism NN 1795 1797 of of IN 1798 1804 action action NN 1805 1807 of of IN 1808 1811 CsA CsA NNP 1812 1815 and and CC 1816 1819 its its PRP$ 1820 1829 influence influence NN 1830 1832 on on IN 1833 1836 the the DT 1837 1845 positive positive JJ 1846 1849 and and CC 1850 1858 negative negative JJ 1859 1868 selection selection NN 1869 1871 of of IN 1872 1883 lymphocytes lymphocyte NNS 1884 1886 in in IN 1887 1895 response response NN 1896 1898 to to TO 1899 1903 self self NN 1904 1907 and and CC 1908 1916 not-self not-self JJ 1917 1925 antigens antigen NNS 1925 1926 . . .