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LANA

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initially found by Moore and colleagues as a speckled nuclear antigen present in primary effusion lymphoma cells that reacts with antibodies from patients with KS. It is the most immunodominant KSHV protein identified by Western-blotting as 222–234 kDa double bands migrate slower than the predicted
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and stays on the chromosomes during cell division. It maintains the viral genomes during cell division by tethering the viral episomes to the chromosomes. It binds directly to replication origin recognition complexes (ORCs) that are primarily associated with the terminal repeat (TR) region of the
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Kedes DH, Operskalski E, Busch M, Kohn R, Flood J, Ganem D (August 1996). "The seroepidemiology of human herpesvirus 8 (Kaposi's sarcoma-associated herpesvirus): distribution of infection in KS risk groups and evidence for sexual transmission".
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Gao SJ, Kingsley L, Li M, Zheng W, Parravicini C, Ziegler J, Newton R, Rinaldo CR, Saah A, Phair J, Detels R, Chang Y, Moore PS (August 1996). "KSHV antibodies among Americans, Italians and Ugandans with and without Kaposi's sarcoma".
611:"Latency-associated nuclear antigen (LANA) cooperatively binds to two sites within the terminal repeat, and both sites contribute to the ability of LANA to suppress transcription and to facilitate DNA replication" 346:"The 222- to 234-kilodalton latent nuclear protein (LNA) of Kaposi's sarcoma-associated herpesvirus (human herpesvirus 8) is encoded by orf73 and is a component of the latency-associated nuclear antigen" 89:
with an acidic internal repeat domain flanked by a carboxy-terminal domain and an amino-terminal domain. LANA-1 acts as a transcriptional regulator, and it has been implicated directly in
796:"Restricted expression of Epstein-Barr virus (EBV)-encoded, growth transformation-associated antigens in an EBV- and human herpesvirus type 8-carrying body cavity lymphoma line" 657:"Human herpesvirus 8 LANA interacts with proteins of the mSin3 corepressor complex and negatively regulates Epstein-Barr virus gene expression in dually infected PEL cells" 755:"Latency-associated nuclear antigen of Kaposi's sarcoma-associated herpesvirus (human herpesvirus-8) binds ATF4/CREB2 and inhibits its transcriptional activation activity" 872:"Kaposi's sarcoma-associated herpesvirus-encoded latency-associated nuclear antigen modulates K1 expression through its cis-acting elements within the terminal repeats" 314:
Kellam P, Boshoff C, Whitby D, Matthews S, Weiss RA, Talbot SJ (1997). "Identification of a major latent nuclear antigen, LNA-1, in the human herpesvirus 8 genome".
706:"Carboxy terminus of human herpesvirus 8 latency-associated nuclear antigen mediates dimerization, transcriptional repression, and targeting to nuclear bodies" 226:"Seroconversion to antibodies against Kaposi's sarcoma-associated herpesvirus-related latent nuclear antigens before the development of Kaposi's sarcoma" 835:
Ballestas ME, Chatis PA, Kaye KM (April 1999). "Efficient persistence of extrachromosomal KSHV DNA mediated by latency-associated nuclear antigen".
44: 570:"Regulation and autoregulation of the promoter for the latency-associated nuclear antigen of Kaposi's sarcoma-associated herpesvirus" 85:, LANA-1 is one of few HHV-8 encoded proteins that is highly expressed in all latently infected tumour cells; specifically, it is a 267:"Identification of the gene encoding the major latency-associated nuclear antigen of the Kaposi's sarcoma-associated herpesvirus" 82: 56:
expression. It is commonly used as an antigen in blood tests to detect antibodies in persons that have been exposed to KSHV.
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Friborg J, Kong W, Hottiger MO, Nabel GJ (1999). "p53 inhibition by the LANA protein of KSHV protects against cell death".
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Moore PS, Gao SJ, Dominguez G, Cesarman E, Lungu O, Knowles DM, Garber R, Pellett PE, McGeoch DJ, Chang Y (January 1996).
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Gao SJ, Kingsley L, Hoover DR, Spira TJ, Rinaldo CR, Saah A, Phair J, Detels R, Parry P, Chang Y, Moore PS (July 1996).
74:, it invariably expresses high levels of the viral LANA protein, which is necessary and sufficient to maintain the KSHV 62:
or Human herpesvirus 8 (HHV-8) has been identified as the etiological agent of Kaposi’s sarcoma (KS) and certain
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transcription factor that interacts with the basic transcription machinery and to bind with two human
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molecular weight. LANA has been suspected of playing a crucial role in modulating viral and cellular
124: 105:. This leads to the inactivation of p53-dependent promoters and induction of E2F-dependent genes. 120: 925: 109: 8: 36: 896: 871: 506: 463: 419: 730: 705: 681: 656: 370: 345: 291: 266: 201: 176: 901: 852: 817: 776: 735: 721: 686: 672: 632: 591: 550: 498: 455: 411: 375: 323: 296: 247: 206: 887: 467: 423: 361: 891: 883: 844: 807: 766: 725: 717: 676: 668: 622: 581: 540: 510: 490: 447: 403: 365: 357: 286: 278: 237: 196: 188: 192: 177:"Primary characterization of a herpesvirus agent associated with Kaposi's sarcoma" 848: 771: 116: 812: 242: 225: 98: 86: 919: 905: 856: 780: 739: 690: 636: 627: 610: 595: 586: 569: 568:
Jeong JH, Orvis J, Kim JW, McMurtrey CP, Renne R, Dittmer DP (April 2004).
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Studies have also shown that LANA-1 can transactivate the promoter of the
71: 90: 40: 529:"The KSHV latency-associated nuclear antigen: a multifunctional protein" 704:
Schwam DR, Luciano RL, Mahajan SS, Wong L, Wilson AC (September 2000).
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Krithivas A, Young DB, Liao G, Greene D, Hayward SD (October 2000).
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because of its ability to bind to the tumour-suppressing protein
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Rainbow L, Platt GM, Simpson GR, et al. (August 1997).
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Komatsu T, Ballestas ME, Barbera AJ, Kaye KM (March 2002).
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Verma SC, Lan K, Choudhuri T, Robertson ES (April 2006).
436: 174: 123:. Paradoxically, LANA-1 has been shown to be involved in 102: 94: 794:
Szekely L, Chen F, Teramoto N, et al. (June 1998).
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Kedes DH, Lagunoff M, Renne R, Ganem D (November 1997).
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It has been also shown to interact with and inhibit the
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As KSHV establishes latent infection in tumorous 392: 127:repression and can, moreover, interact with the 917: 753:Lim C, Sohn H, Gwack Y, Choe J (November 2000). 752: 522: 520: 608: 650: 648: 646: 517: 895: 811: 770: 729: 680: 643: 626: 585: 544: 369: 339: 337: 290: 241: 200: 119:, thus overextending a critical step in 161: 918: 609:Garber AC, Hu J, Renne R (July 2002). 334: 271:The Journal of Clinical Investigation 615:The Journal of Biological Chemistry 574:The Journal of Biological Chemistry 230:The New England Journal of Medicine 153:LANA-1 is associated with cellular 13: 21:latency-associated nuclear antigen 14: 937: 722:10.1128/JVI.74.18.8532-8540.2000 673:10.1128/JVI.74.20.9637-9645.2000 129:mSin3/HDAC1 co-repressor complex 888:10.1128/JVI.80.7.3445-3458.2006 863: 828: 800:The Journal of General Virology 787: 759:The Journal of General Virology 746: 697: 602: 561: 362:10.1128/JVI.71.8.5915-5921.1997 142:-associated cellular proteins, 474: 430: 386: 307: 258: 217: 168: 1: 193:10.1128/JVI.70.1.549-558.1996 849:10.1126/science.284.5414.641 772:10.1099/0022-1317-81-11-2645 7: 813:10.1099/0022-1317-79-6-1445 243:10.1056/NEJM199607253350403 10: 942: 316:Journal of Human Virology 533:Frontiers in Bioscience 121:cellular transformation 628:10.1074/jbc.M203489200 587:10.1074/jbc.M312801200 29:latent nuclear antigen 112:subunit of the human 110:reverse transcriptase 162:Notes and references 876:Journal of Virology 710:Journal of Virology 661:Journal of Virology 350:Journal of Virology 181:Journal of Virology 765:(Pt 11): 2645–52. 452:10.1038/nm0896-918 408:10.1038/nm0896-925 806:(Pt 6): 1445–52. 283:10.1172/JCI119804 933: 910: 909: 899: 867: 861: 860: 832: 826: 825: 815: 791: 785: 784: 774: 750: 744: 743: 733: 701: 695: 694: 684: 652: 641: 640: 630: 621:(30): 27401–11. 606: 600: 599: 589: 580:(16): 16822–31. 565: 559: 558: 548: 539:(1–3): d726–30. 524: 515: 514: 489:(6764): 889–94. 478: 472: 471: 434: 428: 427: 390: 384: 383: 373: 341: 332: 331: 311: 305: 304: 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229: 219: 184: 180: 170: 152: 133: 107: 80: 66:-associated 59: 58: 39:-associated 32: 28: 24: 20: 18: 97:and to the 91:oncogenesis 81:Encoded by 41:herpesvirus 140:chromosome 136:ATF4/CREB2 117:holoenzyme 114:telomerase 33:LNA, LNA-1 155:chromatin 68:lymphomas 47:) latent 920:Category 906:16537612 857:10213686 781:11038375 740:10954554 691:11000236 637:12015325 596:14742422 555:11861213 503:10622254 468:36556102 424:10275045 328:10195227 101:protein 897:1440413 837:Science 822:9634087 511:4345286 460:8705863 416:8705864 380:9223481 301:9366576 252:8657239 211:8523568 76:episome 49:protein 35:) is a 16:Protein 904:  894:  855:  820:  779:  738:  731:116365 728:  689:  682:112396 679:  635:  594:  553:  509:  501:  483:Nature 466:  458:  422:  414:  378:  371:191847 368:  326:  299:  292:508462 289:  250:  209:  202:189843 199:  25:LANA-1 507:S2CID 464:S2CID 420:S2CID 144:MeCP2 83:ORF73 27:) or 902:PMID 853:PMID 818:PMID 777:PMID 736:PMID 687:PMID 633:PMID 592:PMID 551:PMID 499:PMID 456:PMID 412:PMID 376:PMID 324:PMID 297:PMID 248:PMID 207:PMID 146:and 72:foci 64:AIDS 60:KSHV 54:gene 45:KSHV 19:The 892:PMC 884:doi 845:doi 841:284 808:doi 767:doi 726:PMC 718:doi 677:PMC 669:doi 623:doi 619:277 582:doi 578:279 541:doi 491:doi 487:402 448:doi 404:doi 366:PMC 358:doi 287:PMC 279:doi 275:100 238:doi 234:335 197:PMC 189:doi 148:DEK 103:pRb 95:p53 922:: 900:. 890:. 880:80 878:. 874:. 851:. 839:. 816:. 804:79 802:. 798:. 775:. 763:81 761:. 757:. 734:. 724:. 714:74 712:. 708:. 685:. 675:. 665:74 663:. 659:. 645:^ 631:. 617:. 613:. 590:. 576:. 572:. 549:. 535:. 531:. 519:^ 505:. 497:. 485:. 462:. 454:. 442:. 418:. 410:. 398:. 374:. 364:. 354:71 352:. 348:. 336:^ 318:. 295:. 285:. 273:. 269:. 246:. 232:. 228:. 205:. 195:. 185:70 183:. 179:. 150:. 131:. 78:. 908:. 886:: 859:. 847:: 824:. 810:: 783:. 769:: 742:. 720:: 693:. 671:: 639:. 625:: 598:. 584:: 557:. 543:: 537:7 513:. 493:: 470:. 450:: 444:2 426:. 406:: 400:2 382:. 360:: 330:. 320:1 303:. 281:: 254:. 240:: 213:. 191:: 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Index

Kaposi's sarcoma
herpesvirus
KSHV
protein
gene
AIDS
lymphomas
foci
episome
ORF73
phosphoprotein
oncogenesis
p53
retinoblastoma
pRb
reverse transcriptase
telomerase
holoenzyme
cellular transformation
transcriptional
mSin3/HDAC1 co-repressor complex
ATF4/CREB2
chromosome
MeCP2
DEK
chromatin
"Primary characterization of a herpesvirus agent associated with Kaposi's sarcoma"
doi
10.1128/JVI.70.1.549-558.1996
PMC

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