0 6 Signal Signal NNP 7 19 transduction transduction NN 20 22 by by IN 23 26 DR3 DR3 NNP 26 27 , , , 28 29 a a DT 30 35 death death NN 36 53 domain-containing domain-containing JJ 54 62 receptor receptor NN 63 70 related related JJ 71 73 to to TO 74 80 TNFR-1 TNFR-1 NNP 81 84 and and CC 85 89 CD95 CD95 NNP 89 90 . . . 92 97 Tumor tumor NN 98 106 necrosis necrosis NN 107 113 factor factor NN 114 124 receptor-1 receptor-1 NN 125 126 ( ( ( 126 132 TNFR-1 tnfr-1 NN 132 133 ) ) ) 134 137 and and CC 138 142 CD95 CD95 NNP 143 144 ( ( ( 144 148 also also RB 149 155 called call VBN 156 159 Fas Fas NNP 160 162 or or CC 163 168 APO-1 APO-1 NNP 168 169 ) ) ) 170 173 are be VBP 174 182 cytokine cytokine NN 183 192 receptors receptor NNS 193 197 that that WDT 198 204 engage engage VBP 205 208 the the DT 209 218 apoptosis apoptosis NN 219 226 pathway pathway NN 227 234 through through IN 235 236 a a DT 237 243 region region NN 244 246 of of IN 247 260 intracellular intracellular JJ 261 269 homology homology NN 269 270 , , , 271 281 designated designate VBN 282 285 the the DT 286 287 “ `` `` 287 292 death death NN 293 299 domain domain NN 299 300 . . . 300 301 ” '' '' 302 309 Another another DT 310 315 death death NN 316 333 domain-containing domain-containing JJ 334 340 member member NN 341 343 of of IN 344 347 the the DT 348 352 TNFR TNFR NNP 353 359 family family NN 359 360 , , , 361 366 death death NN 367 375 receptor receptor NN 376 377 3 3 CD 378 379 ( ( ( 379 382 DR3 DR3 NNP 382 383 ) ) ) 383 384 , , , 385 388 was be VBD 389 399 identified identify VBN 400 403 and and CC 404 407 was be VBD 408 413 shown show VBN 414 416 to to TO 417 423 induce induce VB 424 428 both both CC 429 438 apoptosis apoptosis NN 439 442 and and CC 443 453 activation activation NN 454 456 of of IN 457 464 nuclear nuclear JJ 465 471 factor factor NN 472 478 kappaB kappab NN 478 479 . . . 480 490 Expression expression NN 491 493 of of IN 494 497 DR3 DR3 NNP 498 505 appears appear VBZ 506 508 to to TO 509 511 be be VB 512 522 restricted restrict VBN 523 525 to to TO 526 533 tissues tissue NNS 534 542 enriched enrich VBN 543 545 in in IN 546 557 lymphocytes lymphocyte NNS 557 558 . . . 559 562 DR3 dr3 NN 563 569 signal signal NN 570 582 transduction transduction NN 583 585 is be VBZ 586 594 mediated mediate VBN 595 597 by by IN 598 599 a a DT 600 607 complex complex NN 608 610 of of IN 611 624 intracellular intracellular JJ 625 634 signaling signal VBG 635 644 molecules molecule NNS 645 654 including include VBG 655 660 TRADD TRADD NNP 660 661 , , , 662 667 TRAF2 TRAF2 NNP 667 668 , , , 669 673 FADD FADD NNP 673 674 , , , 675 678 and and CC 679 684 FLICE FLICE NNP 684 685 . . . 686 690 Thus thus RB 690 691 , , , 692 695 DR3 DR3 NNP 696 702 likely likely RB 703 708 plays play VBZ 709 710 a a DT 711 715 role role NN 716 718 in in IN 719 729 regulating regulate VBG 730 740 lymphocyte lymphocyte NN 741 752 homeostasis homeostasis NN 752 753 . . .