Title: Metabolism of Lipid
1? ? ?
Metabolism of Lipid
2? ? ? ?
??
????????
?? (fat)
????? (triacylglycerols,TAG) ? ????
(triglyceride, TG)
??
??(lipoid)
??? (cholesterol, CH) ????
(cholesterol ester, CE) ?? (phospholipid, PL)
?? (sphingolipids)
3????????????????
?? ?? ?? ????
?? ???? 95? ??????? 1. ?? 2. ?????? 3. ????????? 4. ???? 5. ????? 6. ???????
?? ???????????? 5? ??????? ?? 1. ??????????? 2. ??????????? ?????????? 3. ???????
4????
? ?
????(phosphoglycerides)
????
X ???????????????? ?????????
5?????
???????
??????
???????
?????
???? ?????????????
???? ????
6(No Transcript)
7? ? ? ? ? ? ? ?
??? ??? ??????? ???? ???? ? ??
??? ??? ??????? ?? n? ? ??
??? ?????? 161 9 7 ?-7 ??
?? ?????? 181 9 9 ?-9 ??
??? ?????? 182 9,12 6,9 ?-6 ???
a-??? ?????? 183 9,12,15 3,6,9 ?-3 ???
?-??? ?????? 183 6,9,12 6,9,12 ?-6 ???
????? ????? 204 5,8,11,14 6,9,12,15 ?-6 ???
timnodonic ?????(EPA) 205 5,8,11,14,17 3,6,9,12,15 ?-3 ??
clupanodonic ??????(DPA) 225 7,10,13,16,19 3,6,9,12,15 ?-3 ??,?
cervonic ??????(DHA) 226 4,7,10,13,16,19 3,6,9,12,15,18 ?-3 ??
8??????????
9(No Transcript)
10- ? ? ?
- ???????
- Metabolism of Triglyceride
11(No Transcript)
12(No Transcript)
13???????????
(?)????
?? ????? ?????
(?)????
???
(?)????
??????????
(?)????
??????(??????)
??????(??????)
14??????
15 G ? 3-????
16???????????
(?) ????
???????????,?????????FFA???,???????????????
????
17ATP
????-??
G??
AC
HSLa(???)
cAMP
PKA
HSLb(???)
???? (DG)
????
TG
???
? ?
18(?)???ß-??
?? ?????? (?????)
??????????
19 202. ??CoA?????
???
21(???)
3. ???ß??
??CoA
??
??
L()-ß???CoA
???
ß???CoA
??
??CoA??CoA
22(No Transcript)
23??????
????
244. ????????? ?16?????????
? ???2??????
ß? ?
???? ?????????????????? ??1????CoA 1???????
????CoA 1??NADHH 1??FADH2
257 ?????8????CoA 7??NADHH 7??FADH2
???? ??ATP 812 73 72 131 ???ATP
131 2 129
26(?)?????????
1. ????????
272. ?????
Ile Met Thr Val ????? ?????
CH3CH2COCoA
L-?????CoA
D-?????CoA
???CoA
TAC
28(?)????????
????(acetoacetate) ?ß-???(ß-hydroxybutyrate)???(ac
etone)????????
????0.030.5mmol/L(0.35mg/dl)
???? ???????? ???????????
29(No Transcript)
301. ?????
312. ?????
322??CoA
????CoA
??CoA
HMGCoA
????CoA
D(-)-ß-???
????
??
???CoA
???
2??CoA
333. ?????????
- ???????????????????
- ????????????
- ??????????????,????
- ???????,?????????
??
?????
344. ???????
35(? ?)
??????? ?
??ß???
?????
36?????????
(?)??????
1. ????
? ??????? ???? ??????16?????(???) ????????
????
372. ????
??CoA?ATP?HCO3??NADPH?Mn2
??CoA????
NADPH??????
38???-?????
?????
??
???
???
??CoA
? ? ? ?
???
???
????
???
???
39(No Transcript)
403. ????????????
(1)???CoA???
??CoA??? (acetyl CoA carboxylase)
???
41(2)????
???CoA????CoA??????,?????????,????2?????
42 ??????
???? ?7????(???????????CoA??????ß????????ß????????
ß??????????????????),????????????
43???? 7????????????,?????,????????????????????????
?????
44??????????????????? ???????
45 ??????(ACP),????4-?????????, ??????
46(No Transcript)
47?????????
CH3(CH2)14COOH 7 CO2
6H2O 8HSCoA 14NADP
CH3COSCoA 7 HOOCH2COSCoA
14NADPHH
48(?)???????
1. ??????????? ????CoA???????,? NADPHH
??,????24?,?18????????
2. ??????????? ???CoA???????,? NADPHH
??,????24??26?,???????
49(?)????????
????4??5??8??9????,???????,??????????????????
????9??12??15 ????
50? ? ? ? ? ?
51(?)???????
1. ????????
???CoA? ??????CoA
-
??CoA???
????????
??????????,??????????,???????????????????
522. ????
?????
PKA
??CoA???
-
??CoA???
P
??????
(???)
(???)
???
53??????????????
???? ( Prostaglandin, PG) ???? ( thromboxane,
TX) ? ? ? ( leukotrienes, LT)
54(?)?????????????????????
- PG
- ??????????,??????????
- ???????????
55(No Transcript)
56- TX
- ????????,?????????????
57 58(?)PG?TX?LT???
1. ????????????
???? PG ?????? ?????
TX ???
???? ?????
????
592. ??????
?????
???(LTA4)
???
????? (lipoxygenase)
?????????(5-HPETE, 5-hydroperoxy-eicotetraenoic
acid)
LTB4?LTC4? LTD4?LTE4?
60(?)PG?TX?LT?????
1. PG
- PGE2????,????????
- PGE2?PGA2 ?????????????
- PGE2?PGI2??????,?????????
- PGF2a????????????,????????????
612. TX
- PGF2?TXA2 ????????,???????????,PGI2 ?PGI3????????
- TXA3??????,?TXA2????
623. LT
- LTC4?LTD4?LTE4???????????????
- LTD4????????????
- LTB4????????????????,?????????????
63? ? ? ? ? ? ? ?Metabolism of Phospholipid
64? ?
?? ??????
?? ???? ????????
(?????????) ??? ?????????
X ?????????????????????????
65?????????
(?)?????????????
????????????????
??
X ????????? ????????????????
??????????????
66?
67????????????
68????? (phosphatidyl inositol)
?????? (phosphatidyl serine)
69??? (cardiolipin)
70(?)???????
1. ???????????
2. ???????
3. ???? ???????????????????? ATP?CTP
71(No Transcript)
72(No Transcript)
734. ??????
????????
74CDP-??????
75??????
X???
R1?R2????
???????????,??????????
76(?)???????
??? (phospholipase , PLA)
77????????
(?)?????????
??(sphingolipids) ????(sphingosine)??????????
78X----???? ? ????? ?????
????X???,???????????
79(?)??????
1. ?????? ???????? ??????? ?????CoA??????????NA
DPHH?FADH2
2. ?????
80????
81(No Transcript)
823. ????????
????
?????
N-?????
??????????????? ?????? (??PLC?)
83 ? ? ? ? ? ? ? ? Metabolism of Cholesterol
84? ?
???(cholesterol)??
?????? ??????
85?????(27?)
??(28?)
??(29?)
86 ????????
87 ???????????
?? ?140?
?? ??????????? ? ¼ ?????????
????????? ????
88?? ??????
(?)????
??????????(???????????????)
????????????
89(?)????
?????
1?????
18??CoA 36ATP 16(NADPHH)
???-?????
(?)??????
90(?)??????
1. ???? ???
912. ?????
3. ??????
92(?)????????
??????????
????????
???
HMG-CoA???
???
-
?????
?????????
???
93????????
(?)?????? (bile acid)(??)
(?)????????
(?)???7 - ?????(??)
94? ? ? ? ? ? ? ? ? ?Metabolism of
Lipoprotein
95??? ?
?? ?????????
?? ????? ??????????
96????? ? ? 400700mg/dl (5 mmol/L)
???? 10150mg/dl (0.11 1.69 mmol/L) ? ?
? 150250mg/dl (48.44 80.73 mmol/L) ????
100250mg/dl (2.59 6.47 mmol/L) ????
520mg/dl (0.195 0.805 mmol/L)
????????????,??????
97????????????????
??????(lipoprotein)????????
? ?
???
????? CM?VLDL?LDL?HDL
????
98? ? ? ? ? ? ? ? ? ?
CM VLDL LDL HDL
?? ?? lt0.95 0.951.006 1.0061.063 1.0631.210
? ? ?? ?TG??, 8090 ?TG 5070 ?????????,4050 ???50
? ? ??? ??, 1 510 2025 ??,?50
?????? ?????? apoB48?E A??A? A??C? C??C? apoB100?C??C? C?? E apoB100 apo A?? A?
99(No Transcript)
100(No Transcript)
101??????
(apolipoprotein, apo)
??(18?) apo A? apo B? apo C? apo D? apo E
(? ? ?) (100 48 ) (? ? ? )
? ???????
? ??????????
? ????????????
102??????????
(?)????
103LPL
???????? ??CM?TG???
?????TG????
104(?)???????
??????TG ?????????
apo B100?E
LPL?HL
LPL
VLDL ??
LDL
VLDL
FFA
FFA
????
105? ? ? VLDL ? ? ?
?????TG
106(?)??????
?VLDL????
? ?
- LDL??????
- LDL????????
107LDL?? ????
108????????????
109(?)??????
?????????
110 ABCA1,?ATP???????AI (ATP-binding
cassetle transporter A1),????????????(cholesterol-
efflux regulatory protein, CERP),?????????????????
???? ?
ATP????
???
111(No Transcript)
112???????????
1. ????????????????
????
?? TG gt 2.26mmol/l ?
200mg/dl (??1416h) ??? gt 6.21mmol/l ? 240mg/dl
?? ??? gt 4.14mmol/l ? 160mg/dl
113?? ? ????????????
? ???? ???(????) ???(???????)
1142. ?????
????????????LPL?LCAT,?????apoC??B?E?A??C?,??????LD
L????????,?????????????????????
3. ??????????????