Title: ?????(PDE)?? ?????
1?????(PDE)???????
2??????
- ???
- ??PDE,??????(cAMP)???????,?????cAMP/cGMP
??,???????? - ????
- ??????PDE,???????cAMP??,?????????
- ????PDE,???????????
3????
- PDE ?????,?????
- PDE3??,???????
- PDE4??,???????
- PDE5??,???????
- PDE?????????????
- ??????
- ??
4? PDE?????,?????
- ?????(phosphodies-terase,PDE)??????,????????,?????
,?????????? - ?????????????,?20 25 ???????,??PDE
????????????? - ??PDE??????????????????????????????
5cAMP cGMP
PDE1-4,8,10
5pAMP 5pGMP
AC
ATP GTP
PDE5,7
GC
??????????????????????,?????????
6?? ???? ???? ????? ?????
PDE1 Ca2 / CaM ??? ?,?,?,?????,???? ???? ???????
PDE2 cGMP ??? ?,??,?????,???? Â ?????,????,??,???
PDE3 cGMP ??? ?,????????,T???? ???,??? ?????,??,????,??
PDE4 cAMP ??????,????? Â ??,?????,????,????
PDE5 cGMP ?,????,????????????PDE ????,????,???? ??ED,???,??????
7?? ???? ???? ????? ?????
PDE6 cGMP ?????????? ????,???? ?????????
PDE7 cGMP ????? ?,?,T????? ??T??????,??????????
PDE8 cAMP ??????? ?,?,?,??,?? ?????????,?????????????
PDE9 ?cAMP ??????? ???,??,?
PDE10 cAMP, cGMP ??????? ??? ????PDE????????????????? ????????
PDE11 cAMP, cGMP ?????? ?????????
8? PDE3??,???????
- ??????????????,??????????????????,??????????
- PDE3????,???cAMP???????,cAMP?????????,??????Ca2??
??,?????????????????
9???
- ????
- ?????????
- ??NO?????
- ????????
- ??????
- ?????????????
- ???????????
- ?????????,????????,??????
- ???????????????
- ???????????
10???
- ????????????,?????????????????,????????,??????????
????????????,?????????????????? - ??????????20-30?,????,???1.5-2h????????????????
11? PDE4??,???????
- PDE 4 ????????????,???????????(MF) ??????( EOS)
???????????? - ????PDE ??2 ????,?HPDE ??LPDE ?,??HPDE
????????????????,???LPDE ???????????????????PDE
??????????
12- PDE 4 ?????????????????????????????PDE 4
??????????????????? - ????
- ??? ????( rolipram)
- ?????-?????????(cilomilast),??Byk-Gulden
???????(roflumilast)
13????(rolipram)
- ????Adeo,?????Schering AG????,??????????????,?????
??????? - Rolipram ?????????????,???????PDE4?????????COPD???
? - ????????????????????,?????????????????????????Roli
pram????(PDEH)?PDE4?????
14????(cilomilast)
- ????????????????PDE4???,??????????????????????COPD
??????,??????,???????????? - ???????PDEL???,?????????????????????
- ?????????COPD????/???????
15????( roflumilast)
- ???? ????COPD,???????????,???????????????????
- ????????????
16? PDE5??,???????
- PDE 5 ???????????????,?cGMP ???????
- ????
- ????,????,????
- ????
- ????(zaprinast)
17??PDE5?????
???? ????Sildenafil ????Vardenafil ????Tadalafil
???? ???Viagra ???Levitra ???Cialis
???? ??Pfizer?? ??Bayer?? ??Elily??
???? 1998?3? 2003?9? 2003?10?
???? ?? ?? ??? ?? ??? ??
??(mg) 50,100 40,80
?????() 40 60 65
????(h) ??0.5-2,???1.5-3 0.7-0.9(15min) 0.75-2,?12h??
???,????(h) 4-6 3.9-4.2 12,???24h
???? 80?? 95??
18Sildenafil
- sildenafil????????????NO ??,????NO/cGMP ?????????
19PDE5???????
- ????
- ??,?????,??,????,????,????,????,??
- ????
- ????,????,?????,???
- ????
- ????,????,??,????,?????
20PDE5??????????
- PDE5????????,????????????,????????????????????????
??????????? - ?CYP450 3A4??????????????????????,?????????-??????
,??????
21????(dipyriamole)
????????
??
????
??AC
cAMP
??PDE
??PDE
???????????
??AC
??
????cAMP
??????????
22- ??????????
- ????DNA???RNA???????????,?????????????
- ????????????????????????????????????????
???????????????????,??????????? - ????????,??
- ???????
23????(???,Zaprinast)
- ?????cAMP??,??cAMP??????????????,?????????????
- ???????????????????????????????????
- ??10mg,20mg
- ??10-20mg,tid
24? PDE?????????????
- ??
- ???????????,???????,?????????????PDE????
? - ??????????,??,???????PDE3??????,?????PDE
3?PDE4?????????,???????????????????? - ????????????????COPD
???????????,?????????????????????PDE
?????,???????,? ?????????????????????????????????
25- ????(???,??)
- ??????,???PDE??,?????????,?????????????,????
?????,????????,????????,????????????
26? ??????PDE???????????
- ??1??,??,50?,??????38.5?????,??????????,3d?,????,
X?????????????????0.25g,bid????(?????)0.4g,qd?
???(???????)30mg,tid????????????3???,???2h?,??????
??????????
27- ??2??,??,45?,??????????????????,???????????????
(????)500mg,bid?????,0.2g,tid???????????,????1.5-
2h,????????????????,????,?????
28- ??
- ??????????????????????????,?????????????
?,?????????????????????
29? ??
- PDEs ???????????,?????????????PDEs
???????????????????????????PDEs
???????????????????????????????????????PDE ?????? - ?????PDEs ??????,?????????????,???????????,???????
????,?????????????????????????????????????????????
??????
30Thank you!