????Anticancer drugs - PowerPoint PPT Presentation

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????Anticancer drugs

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Title: 1 Author: lei Last modified by: walkinnet Created Date: 1/9/2006 2:11:05 PM Document presentation format: Company – PowerPoint PPT presentation

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Title: ????Anticancer drugs


1
????Anticancer drugs
???????????????,??David E. Thurston,?????,???????
,2008 Tumor/neoplasm ????????????????,??????????
???????? Cancer ??/??????????????????????????????
Facts ??????? 1/3 ??????,???2200???,?????1000?
¼ ??????,????????????????????(metastasis) ??????,
10???/?/?(??) ???????????????????,unmet market
2
  • Oncogenes ????
  • Tumor suppressor genes ??????,?p53
  • Tumorigenesis ???,???????????,???/chromosomal
    translocations
  • ????6???(Weinberg)
  • ?????? / ?????????? / ???????? / ????????/
    ??????? / ???????

(Cell 2000 )
3
(Cell 2011)
  • ??????
  • ???DNA???(??,1940s)
  • ????(????,1950s)
  • ??????(???????,1990s)
  • ??????(Gleevec,2000s)

???? ???? / DNA????? / ?????? / ????????? /
?? ????(EB) / ???? / ???? (???,??)/a, b,
g,X??,UVC
4
???????
  • ?????DNA???
  • ??? (??????????????????)
  • ????
  • DNA???????
  • DNA????????
  • 2. ?????
  • 3. ?????
  • 4. ??????

5
1. ?????DNA???
??DNA?????????? (????,??) 1.1 ???
????????????????DNA????????? ???????????????,?DNA?
????????????,DNA? ??????????
1.1.1 Dacarbazine ??????
6
Temozolomide(1990?)
???????????,?F, ???CNS,DNA???G???,??????CO2?N2????
???? DNA???,Mismatch repair enzymes(MMRs)???O6-M
eG-T,???????T,???T,????????????
(MMRs????????Temozolomide??) MMRs?????????O6-alky
lgunine-DNA-alkyltransferase,????O6?????????
7
ET-743, Yondelis, ?????????? ??????(non
p53-dependent apotosis) ?TC-NER??,????????/ET-743/
DNA?????????DNA????,???????G2?DNA???? ??c-jun,
c-fos????? ????????????MDR1(multidrug resistance
gene, MDR1)??????
8
1.1.2 ???
????????????DNA????,????/??????????? ???DNA??????
????DNA????,???????
Chlorambucil,????????Cl??,????,????
??chlormethine
???????,????,???????? ???,DNA??????
9
????? ?????,???????,?????
Melphalan ???? ???????,???
Prednimustine(?????) ??????????????? ??????????,??
??
10
Cyclophosphamide ????
????,??????,?pH4.0-6.0????????(???????Prodrug)
?????,??N?????,?????,??????????,????(???????) ????
?????,???
??????????
11
??????
12
1.1.3 ???? (?????)
Thiotepa ??,P450??
Diaziquone
??????????????? DNA??G?N2??????? ?????????????,??
????????????????,???,?????? ??????,?????????
????-C,Mitomycin-C 1958??Streptomyces
caespitosus???????????????
13
1.1.4 ?????(???????)
???busulfan
14
1.1.5 ?????(nitrosoureas)
Carmustine ???BBB,???? ?????,????????CO2 ????N????
??????????,?????????,DNA?????
lomustine
Ranimustine ???BBB,???????? ?????,?????,????
15
1.2 ????
1960s????, Rosenberg??E-coli?????????????????,????
????????,????????
?????DNA???????????????,??DNA?,?DNA??,???DNA??,???
?
??Cisplatin ???,???????????,???????,???????????,?
????????,??170o?????,270o?? ???????????????59,???
30
16
???????
??Carboplatin ???,???? ????????????? ????,???????
Oxaliplatin, ????????? ???????
17
1.3 DNA???????
SJG-136 (Phase II,????) Pyrrolobenzodiazepine ???
SJG-136??????G?N2????,?DNA???????????????????,????
???,??DNA???????????
Bizelesin, SJG-136???,???????Cl????????? ???6 bp,
????DNA???A?N3??? ??????
18
DNA???
??????,????????????,??DNA??,??????????????????????
???????????????????GC?? ??1??DNA,??DNA????? ??2?
?DNA??????,???? ??3?????,???????????,????????? ??
????????????????,??Ca2,Fe2, DNA?????,????
Doxorubicin????
Daunorubicin
Aclarubicin
19
Idarubicin, the only oral/IV drug in
anthracyclines
epirubicin
???
Mitoxantrone, ??????GC DNA???
Dactinomycin????D
20
Dactinomycin, ??????DNA GC ????DNA??
21
DNA???
Fe(II)??????????????,???/????
??DNA,sulfonium??DNA?????
????/?DNA/??????
?????????????DNA,?DNA???
22
1.4 DNA Topoisomerases inhibitors
DNA???????DNA??????????,???????DNA?????????DNA???,
??????,????????,?????
Topo I ?DNA?????????,Pi???Y??,????DNA?????,???????
Topo II??????DNA DNA????????,???DNA???/??,???????
??? ??????/??gtgt???? ??????
23
Topo I inhibitors
???camptothecin Topo I inhibitor ????topo
I/DNA????? ?????????? ???,????
Topotecan, ??????????????? ????????,????S?
??
SN-38????2002000X
Irinotecan, ??,S?
24
Topo II inhibitors
Podophyllotoxin???? ??mandrake????????
Etoposide ?????????,???? ??Topo IIa, Topo IIb
teniposide
Amsacrine ???/????doxorubicin
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