0 3 The the DT 4 10 effect effect NN 11 13 of of IN 14 24 Toremifene Toremifene NNP 25 27 on on IN 28 31 the the DT 32 42 expression expression NN 43 45 of of IN 46 50 some some DT 51 56 genes gene NNS 57 59 in in IN 60 65 human human JJ 66 77 mononuclear mononuclear JJ 78 83 cells cell NNS 83 84 . . . 86 96 Toremifene Toremifene NNP 97 103 exerts exert VBZ 104 112 multiple multiple JJ 113 116 and and CC 117 123 varied varied JJ 124 131 effects effect NNS 132 134 on on IN 135 138 the the DT 139 143 gene gene NN 144 154 expression expression NN 155 157 of of IN 158 163 human human JJ 164 174 peripheral peripheral JJ 175 186 mononuclear mononuclear JJ 187 192 cells cell NNS 192 193 . . . 194 199 After after IN 200 210 short-term short-term JJ 210 211 , , , 212 214 in in FW 215 220 vitro vitro FW 221 229 exposure exposure NN 230 232 to to TO 233 246 therapeutical therapeutical JJ 247 253 levels level NNS 253 254 , , , 255 263 distinct distinct JJ 264 271 changes change NNS 272 274 in in IN 275 289 P-glycoprotein P-glycoprotein NNP 289 290 , , , 291 298 steroid steroid NN 299 308 receptors receptor NNS 308 309 , , , 310 313 p53 p53 NN 314 317 and and CC 318 323 Bcl-2 bcl-2 NN 324 334 expression expression NN 335 339 take take VBP 340 345 place place NN 345 346 . . . 347 349 In in IN 350 354 view view NN 355 357 of of IN 358 361 the the DT 362 372 increasing increase VBG 373 376 use use NN 377 379 of of IN 380 393 antiestrogens antiestrogen NNS 394 396 in in IN 397 403 cancer cancer NN 404 411 therapy therapy NN 412 415 and and CC 416 426 prevention prevention NN 426 427 , , , 428 433 there there EX 434 436 is be VBZ 437 444 obvious obvious JJ 445 450 merit merit NN 451 453 in in IN 454 463 long-term long-term JJ 464 466 in in FW 467 471 vivo vivo FW 472 479 studies study NNS 480 482 to to TO 483 485 be be VB 486 495 conducted conduct VBN 495 496 . . .