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DNA adduct

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182:(RNS). ROS and RNS are known to cause DNA damage via oxidative processes. Figure 2 shows each of the reactive sites for the nucleic acids involved in adduction and damage, with each form of transfer distinguished by arrow color. These positions are of interest to researchers studying DNA adduct formation. Research has indicated that many different chemicals may change human DNA and that lifestyle and host characteristics can impact the extent of DNA damage. Humans are constantly exposed to a diverse combination of potentially dangerous substances that might cause DNA damage. 191: 370: 155: 342:, but eating chicken does not have this risk. The increased risk of colon cancer from red meat may be due to higher increases in DNA adducts from digestion of red meat. When rats were fed either beef or chicken, three types of DNA adducts in colon tissue were significantly higher after consumption of beef than after consumption of chicken. These adducts were a type of methyl-cytosine (possibly N3-methyl-cytosine), an adduct of two malondialdehyde molecules with guanine, and carboxyl-adenine. 31: 122:
The presence of endogenous carcinogens contributes to levels of DNA adducts in a patient. This can bias the quantification of carcinogens that are from environmental exposure. Ongoing research on DNA adducts seeks to overcome these complications. It is the hope that in future medical practices DNA
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process. These interactions typically cause chemical adducts to form in the cell. This allows for DNA adducts to serve as biomarkers of exposure to carcinogens from the environment. They are attractive biomarkers because they are stable, abundant, and easily characterizable. Exposure to them can
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industries. Tests were conducted to understand the differences in the level of urinary BD-DNA adducts among various ethnic groups – white, Japanese American, and Native Hawaiian. It was determined that Japanese American smokers exhibited heightened levels of urinary BD-induced
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of exposure. They are especially useful in quantifying an organism's exposure to a carcinogen. The presence of such an adduct indicates prior exposure to a potential carcinogen, but it does not necessarily indicate the presence of cancer in the subject animal.
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contains an antigen in solution that can bind with DNA adducts. Any remaining free antigen will fluoresce. This allows ELISA to quantify DNA adducts as well as map an inverse relationship between DNA damage and the intensity of the samples
413:; while it is unclear if a direct link between cancer and PM exposure exists, it is likely that PM exposure leads to some degree of cell damage. Upon further investigation, it was determined that PM exposure causes 85:. A scientific journal will often incorporate the name of the carcinogen with their experimental design. For example, the term "DMBA-DNA adduct" in a scientific journal refers to a piece of DNA that has DMBA ( 101:
through external and internal factors. Carcinogens are chemical or physical agents that cause DNA damage, which may later develop into cancer. They can initiate mutagenesis in DNA by interfering with the
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Quezada-Maldonado EM, Sánchez-Pérez Y, Chirino YI, García-Cuellar CM (October 2021). "Airborne particulate matter induces oxidative damage, DNA adduct formation and alterations in DNA repair pathways".
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Hemeryck LY, Van Hecke T, Vossen E, De Smet S, Vanhaecke L (September 2017). "DNA adductomics to study the genotoxic effects of red meat consumption with and without added animal fat in rats".
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and genetic factors driving these differences in urinary BD-DNA adduct presence is the next step for this research, serving as a link between sociology and the life sciences.
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Maltzman TH, Christou M, Gould MN, Jefcoate CR (November 1991). "Effects of monoterpenoids on in vivo DMBA-DNA adduct formation and on phase I hepatic metabolizing enzymes".
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Guengerich FP, McCormick WA, Wheeler JB (November 2003). "Analysis of the kinetic mechanism of haloalkane conjugation by mammalian theta-class glutathione transferases".
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32P-postlabeling assays screen for DNA adducts by transferring 32P-ATP into a carcinogenic labeled nucleotide sequence, with selectivity favoring modified nucleotides.
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sites. The N3 and N7 locations (nucleotide positioning) of guanine and adenine are believed to be the most nucleophilic, and hence, they form adducts selectively over
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reacting directly with DNA to form adducts. In addition, there are other tobacco-specific carcinogens to consider in humans that are activated metabolically, such as
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Human exposure to tobacco smoke has been associated with an increased risk of lung cancer. Tobacco smoke can impose great risk to DNA, with chemicals such as
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directly or indirectly cause DNA damage. In the direct case, a carcinogen can bind to DNA and cause it to distort or become cross-linked. Although
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adducts than white and Native Hawaiian individuals, while there were no differences in outcome by ethnicity among non-smokers. Understanding the
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to a greater extent has replaced the 32P-postlabeling assay as the method of choice for the detection of structurally characterized DNA adducts.
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Singh R, Farmer PB (February 2006). "Liquid chromatography-electrospray ionization-mass spectrometry: the future of DNA adduct detection".
915:"IARC monographs on the evaluation of the carcinogenic risk of chemicals to man: some aziridines, N-, S- & O-mustards and selenium" 81:
DNA adducts are researched in laboratory settings. A typical experimental design for studying DNA adducts is to induce them with known
305: 426: 366:(NNN). These carcinogens end up forming adducts when reacted with DNA, with those being called pyridyl oxobutyl (POB) adducts. 227: 151:, making it more suitable for adduction than when compared to adenine's N3 position, which is orientated in the minor groove. 433:
in these individuals. These findings support the theory that DNA adduct presence indicates a level of carcinogenic activity.
212: 86: 1616: 43: 190: 369: 382: 179: 148: 136: 695:"DNA adducts: Formation, biological effects, and new biospecimens for mass spectrometric measurements in humans" 111:
under normal circumstances, sometimes the DNA will not repair itself. This could be the start of a mutation, or
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compounds generated by inflammatory processes cause oxidative stress. This can result in the formation of a
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from residents of heavily-populated cities (e.g. pollution, long-term traffic); a common component of PMs,
154: 635:"Differential damage and repair of DNA-adducts induced by anti-cancer drug cisplatin across mouse organs" 1427:"DNA damage responses: mechanisms and roles in human disease: 2007 G.H.A. Clowes Memorial Award Lecture" 429:(PAH), was one of the many molecules considered to be highly correlated with the presence of DNA bulky 135:, and the capacity of the compounds to bind with DNA, potentially driving adduct formation to specific 1576: 1517:
Jokipii Krueger CC, Park SL, Madugundu G, Patel Y, Le Marchand L, Stram DO, Tretyakova N (May 2021).
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and cause DNA damage. Furthermore, reactive intermediates can be produced in the body as a result of
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Weston A, Poirier MC (2005). "Carcinogen–DNA Adduct Formation and DNA Repair.". In Wexler P (ed.).
1372: 222: 171: 140: 54: 1621: 1592: 1548: 1499: 1448: 1407: 1364: 1323: 1274: 1264: 1233: 1223: 1198: 1163: 1111: 1076: 1027: 967: 926: 896: 855: 814: 773: 732: 672: 613: 582: 533: 498: 339: 265: 259: 30: 1584: 1538: 1530: 1489: 1479: 1438: 1399: 1354: 1313: 1305: 1256: 1190: 1153: 1145: 1103: 1066: 1058: 1047:"In vivo formation and persistence of modified nucleosides resulting from alkylating agents" 1017: 1009: 998:"Methylating agents and DNA repair responses: Methylated bases and sources of strand breaks" 957: 886: 845: 804: 763: 722: 714: 662: 654: 605: 572: 564: 525: 488: 480: 422: 414: 167: 97:
Several diseases, including cancer, develop from mutated DNA. These mutations are caused by
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Adduct formation is determined by the structures of reactive chemicals, the movement(s) of
218: 103: 1255:. Methods in Molecular Biology. Vol. 817. New York, NY: Springer. pp. 207–230. 1251:
Brown K (2012). "Methods for the Detection of DNA Adducts". In Parry JM, Parry E (eds.).
421:(DSBs). In regards to DNA adduct formation, this analysis was conducted after looking at 1580: 944:
IARC Monographs Working Group on the Evaluation of Carcinogenic Risks to Humans (2010).
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adducts may serve to guide therapeutic treatments that are more targeted and effective.
1543: 1518: 1494: 1467: 1318: 1293: 1158: 1133: 1071: 1046: 1022: 997: 962: 945: 891: 874: 850: 833: 809: 792: 768: 751: 727: 694: 667: 634: 577: 552: 493: 468: 251: 116: 70: 39: 1610: 609: 144: 1376: 1403: 752:"Some non-heterocyclic polycyclic aromatic hydrocarbons and some related exposures" 406: 402: 355: 351: 199: 132: 1443: 1426: 1588: 1260: 529: 447: 391: 236: 163: 112: 658: 1468:"Recent Studies on DNA Adducts Resulting from Human Exposure to Tobacco Smoke" 1237: 919:
IARC Monographs on the Evaluation of the Carcinogenic Risk of Chemicals to Man
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Figure 2: Reactive Sites of Interest for Nucleic Acids in DNA Adduct Formation
108: 98: 82: 66: 1534: 1519:"Ethnic differences in excretion of butadiene-DNA adducts by current smokers" 875:"Some traditional herbal medicines, some mycotoxins, naphthalene and styrene" 873:
IARC Working Group on the Evaluation of Carcinogenic Risks to Humans (2002).
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IARC Working Group on the Evaluation of Carcinogenic Risks to Humans (2007).
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IARC Working Group on the Evaluation of Carcinogenic Risks to Humans (2014).
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IARC Working Group on the Evaluation of Carcinogenic Risks to Humans (2010).
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oxygen atoms. The generation of DNA adducts is also influenced by certain
335: 568: 381:(BD) is a human carcinogen that is found in cigarette smoke among other 1359: 1342: 1062: 387: 1149: 1107: 1013: 718: 417:– creating reactive oxygen species, forming DNA adducts, and inducing 442: 430: 208:, which binds to DNA and causes crosslinking (leading to cell death) 69:. This process could lead to the development of cancerous cells, or 551:
Barnes JL, Zubair M, John K, Poirier MC, Martin FL (October 2018).
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Further analysis has been conducted on the topic, determining that
469:"DNA adducts as exposure biomarkers and indicators of cancer risk" 368: 334:
Human consumption of more than 2.5–3.5 oz (70–100 g) of
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IARC Monographs on the Evaluation of Carcinogenic Risks to Humans
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IARC Monographs on the Evaluation of Carcinogenic Risks to Humans
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IARC Monographs on the Evaluation of Carcinogenic Risks to Humans
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IARC Monographs on the Evaluation of Carcinogenic Risks to Humans
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IARC Monographs on the Evaluation of Carcinogenic Risks to Humans
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Many compounds require enzyme metabolic activation to become
834:"Smokeless tobacco and some tobacco-specific N-nitrosamines" 946:"Some aromatic amines, organic dyes, and related exposures" 793:"Diesel and Gasoline Engine Exhausts and Some Nitroarenes" 147:. Guanine's N7 position is exposed in the major groove of 304:
Certain DNA adducts can also be detected by the means of
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https://www.cabdirect.org/cabdirect/abstract/19952006807
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Hwa Yun B, Guo J, Bellamri M, Turesky RJ (March 2020).
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Yimit A, Adebali O, Sancar A, Jiang Y (January 2019).
405:(PM), broadly known as air pollution, is considered a 194:
Figure 3: DNA damaged by carcinogenic 2-aminofluorene
73:. DNA adducts in scientific experiments are used as 373:Figure 4: Effects of Tobacco on Healthy Human DNA 338:(beef, lamb or pork) a day increases the risk of 289:Liquid chromatography–mass spectrometry (LC–MS): 27:Segment of DNA bound to a cancer-causing chemical 1132:Balbo S, Turesky RJ, Villalta PW (March 2014). 308:because they contain fluorescent chromophores. 1343:"Potential health hazards of eating red meat" 1222:(Third ed.). Amsterdam: Academic Press. 8: 202:, a significant constituent of tobacco smoke 411:International Agency for Research on Cancer 312:Enzyme linked immunosorbent assay (ELISA): 1542: 1493: 1483: 1466:Ma B, Stepanov I, Hecht SS (March 2019). 1442: 1358: 1317: 1157: 1070: 1021: 961: 890: 849: 808: 767: 726: 666: 576: 492: 459: 294:Liquid chromatography–mass spectrometry 996:Wyatt MD, Pittman DL (December 2006). 1127: 1125: 7: 688: 686: 325:DNA adduct as biomarkers of exposure 360:nicotine-derived nitrosamine ketone 256:heterocyclic aromatic amines (HAAs) 221:, a naturally-occurring product of 25: 1051:Environmental Health Perspectives 473:Environmental Health Perspectives 115:. Repeated mutations can lead to 1294:"Red Meat and Colorectal Cancer" 557:Biochemical Society Transactions 228:polycyclic aromatic hydrocarbons 1138:Chemical Research in Toxicology 1096:Chemical Research in Toxicology 1002:Chemical Research in Toxicology 427:polycyclic aromatic hydrocarbon 186:Chemicals that form DNA adducts 1404:10.1016/j.foodchem.2017.02.129 1216:Boffetta P, Hainaut P (2019). 610:10.1016/B0-12-369400-0/00191-5 604:. Elsevier. pp. 440–445. 213:7,12-dimethylbenz(a)anthracene 87:7,12-dimethylbenz(a)anthracene 1: 1444:10.1158/1541-7786.MCR-08-0020 1589:10.1016/j.envpol.2021.117313 1347:Journal of Internal Medicine 1261:10.1007/978-1-61779-421-6_11 553:"Carcinogens and DNA damage" 119:– the beginnings of cancer. 398:Airborne particulate matter 1638: 1292:Aykan NF (February 2015). 659:10.1038/s41467-019-08290-2 602:Encyclopedia of Toxicology 1431:Molecular Cancer Research 1045:Singer B (October 1985). 699:Mass Spectrometry Reviews 530:10.1093/carcin/12.11.2081 180:reactive nitrogen species 89:) attached to it.   1425:Kastan MB (April 2008). 1341:Wolk A (February 2017). 467:Poirier MC (June 1997). 281:32P-postlabeling assay: 1569:Environmental Pollution 300:Fluorescence labeling: 176:reactive oxygen species 127:Mechanism of DNA damage 67:cancer-causing chemical 1535:10.1093/carcin/bgab020 1310:10.4081/oncol.2015.288 1219:Encyclopedia of cancer 485:10.1289/ehp.97105s4907 374: 195: 159: 50: 1485:10.3390/toxics7010016 1195:10.1093/carcin/bgi260 639:Nature Communications 372: 364:N'-nitrosonornicotine 193: 157: 92: 33: 479:(Suppl 4): 907–912. 419:double-strand breaks 1617:Genetics techniques 1581:2021EPoll.28717313Q 711:2020MSRv...39...55H 651:2019NatCo..10..309Y 569:10.1042/BST20180519 93:Carcinogens' impact 1360:10.1111/joim.12543 1253:Genetic Toxicology 1063:10.1289/ehp.856241 407:group 1 carcinogen 403:Particulate matter 375: 260:methylating agents 223:lipid peroxidation 196: 160: 149:double-helical DNA 109:DNA repair happens 55:molecular genetics 51: 1270:978-1-61779-421-6 1229:978-0-12-812485-7 1150:10.1021/tx4004352 1134:"DNA adductomics" 1108:10.1021/tx034157r 1102:(11): 1493–1499. 1014:10.1021/tx060164e 1008:(12): 1580–1594. 719:10.1002/mas.21570 619:978-0-12-369400-3 524:(11): 2081–2087. 383:synthetic polymer 277:Detection methods 266:alkylating agents 16:(Redirected from 1629: 1601: 1600: 1563: 1557: 1556: 1546: 1514: 1508: 1507: 1497: 1487: 1463: 1457: 1456: 1446: 1422: 1416: 1415: 1387: 1381: 1380: 1362: 1338: 1332: 1331: 1321: 1298:Oncology Reviews 1289: 1283: 1282: 1248: 1242: 1241: 1213: 1207: 1206: 1178: 1172: 1171: 1161: 1129: 1120: 1119: 1091: 1085: 1084: 1074: 1042: 1036: 1035: 1025: 993: 987: 982: 976: 975: 965: 941: 935: 934: 911: 905: 904: 894: 870: 864: 863: 853: 829: 823: 822: 812: 788: 782: 781: 771: 747: 741: 740: 730: 690: 681: 680: 670: 630: 624: 623: 597: 591: 590: 580: 563:(5): 1213–1224. 548: 542: 541: 513: 507: 506: 496: 464: 415:oxidative stress 168:oxidative stress 61:is a segment of 21: 1637: 1636: 1632: 1631: 1630: 1628: 1627: 1626: 1607: 1606: 1605: 1604: 1565: 1564: 1560: 1516: 1515: 1511: 1465: 1464: 1460: 1424: 1423: 1419: 1389: 1388: 1384: 1340: 1339: 1335: 1291: 1290: 1286: 1271: 1250: 1249: 1245: 1230: 1215: 1214: 1210: 1180: 1179: 1175: 1131: 1130: 1123: 1093: 1092: 1088: 1044: 1043: 1039: 995: 994: 990: 983: 979: 943: 942: 938: 925:: 1–268. 1975. 913: 912: 908: 872: 871: 867: 831: 830: 826: 790: 789: 785: 749: 748: 744: 692: 691: 684: 632: 631: 627: 620: 599: 598: 594: 550: 549: 545: 515: 514: 510: 466: 465: 461: 456: 439: 400: 348: 332: 327: 279: 252:aromatic amines 219:malondialdehyde 188: 129: 95: 28: 23: 22: 15: 12: 11: 5: 1635: 1633: 1625: 1624: 1619: 1609: 1608: 1603: 1602: 1558: 1529:(5): 694–704. 1523:Carcinogenesis 1509: 1458: 1437:(4): 517–524. 1417: 1392:Food Chemistry 1382: 1353:(2): 106–122. 1333: 1284: 1269: 1243: 1228: 1208: 1189:(2): 178–196. 1183:Carcinogenesis 1173: 1144:(3): 356–366. 1121: 1086: 1037: 988: 977: 936: 906: 865: 824: 783: 742: 705:(1–2): 55–82. 682: 625: 618: 592: 543: 518:Carcinogenesis 508: 458: 457: 455: 452: 451: 450: 445: 438: 435: 399: 396: 347: 344: 331: 328: 326: 323: 322: 321: 310: 309: 298: 297: 287: 286: 278: 275: 274: 273: 268: 262: 257: 254: 249: 244: 239: 234: 231: 225: 216: 209: 203: 187: 184: 145:steric factors 128: 125: 117:carcinogenesis 94: 91: 71:carcinogenesis 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1634: 1623: 1620: 1618: 1615: 1614: 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233:nitro-PAHs 172:endogenous 75:biomarkers 59:DNA adduct 47:DNA adduct 36:metabolite 1478:(1): 16. 1057:: 41–48. 956:: 1–658. 885:: 1–556. 844:: 1–592. 803:: 9–699. 762:: 1–853. 330:Beef diet 206:cisplatin 178:(ROS) or 164:mutagenic 141:exocyclic 42:forms an 1622:Oncology 1597:34022687 1553:33693566 1504:30893918 1453:18403632 1412:28407925 1377:24130100 1369:27597529 1328:26779313 1279:22147575 1203:16272169 1168:24437709 1116:14615977 1032:17173371 972:21528837 901:12687954 860:18335640 819:26442290 778:21141735 737:29889312 677:30659176 587:30287511 437:See also 336:red meat 247:Mustards 1577:Bibcode 1544:8163050 1495:6468371 1319:4698595 1159:3997222 1081:4085444 1072:1568687 1023:2542901 963:5046080 931:1234596 892:4781602 851:4781254 810:4781216 769:4781319 728:6289887 707:Bibcode 668:6338751 647:Bibcode 578:6195640 538:1934293 503:9255579 494:1470061 431:lesions 409:by the 388:guanine 1595:  1551:  1541:  1502:  1492:  1472:Toxics 1451:  1410:  1375:  1367:  1326:  1316:  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Index

DNA adducts

metabolite
benzopyrene
intercalated
molecular genetics
DNA
cancer-causing chemical
carcinogenesis
biomarkers
carcinogens
7,12-dimethylbenz(a)anthracene
carcinogens
replication
DNA repair happens
mutagenesis
carcinogenesis
electrophiles
nucleophilic
exocyclic
steric factors
double-helical DNA

mutagenic
oxidative stress
endogenous
reactive oxygen species
reactive nitrogen species

acetaldehyde

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