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第四章 血浆脂蛋白及其代谢紊乱 (Plasma Lipoproteins and Its Metabolic Disorder). 长沙医学院 李子博. 主要内容. 一、血浆脂蛋白及其代谢. 二、脂蛋白代谢紊乱. 三、脂蛋白代谢紊乱与 AS. 四、高脂蛋白血症的预防和治疗. 五、脂蛋白和脂质测定. 第一节 血浆脂蛋白. 一、血浆脂蛋白定义. 二、血浆脂蛋白基本结构. 三、血浆脂蛋白分类. 四、血浆脂蛋白特征. 分布:脂库 储存脂(可变脂). 甘油三酯. triacylglycerol. 脂类. lipids. 分布:各种生物膜 - PowerPoint PPT Presentation
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(Plasma Lipoproteins and Its Metabolic Disorder)
AS
lipidstriacylglycerollipoid
(TC) (FC) (CE) (PL)(TG)(FFA)
:4.07.0g/L
( lipoprotein, LP) . +
:CETGPLFCFCPL
,
CMVLDLIDLLDLHDLLp(a)----TG(80-90%)TG(50-70%)TGCEChCE(40-50%)PLCEPLAIB48CCCB100ECCCB100EB100AIA(a)B100 TGTGTGCECECE
LpaLPa 1LDL(TC) Apo B100Apo 2Lp()Apo(a)Apo(a) LDL 3Lp()LDL 4Apoa
Lpa 1Lp(a) 2Lp(a)0.2-0.3g/L 0.30 g/LAS2LDL-C CHD5LPa CHD 3Lp(a)CHDLpa 4Lpa
(apolipoproteinApo) 1972AlaupovicApoABCDEFGHJ
123
1ApoAB(a)Apo ,/
ApoEApoC ApoCII
19q111q2 2 , , ,ApoCApoAApoAApoA
LDLVLDL
,
LDL836 36 115kD, LDLR LDL (LDLR)
1 ApoB100ApoEApoB-E ApoB48 LDLApoB100VLDL-VLDL 2
-VLDLVLDL -LP CEApoApoEApoCVLDL
ApoB/ELDL43 LDLApoB100LDLLDL LDL6570LDLR
LDLApoB100ELDL
LDLR
l 2 3 4 5 6 7 LDL LDLRLDLR LDLLDL: CECh+FFA TGFFA ApoBAA LDL
: FC HMGCoA LDLRLDLRLDLLDLR ACATChCE
LDLLDL 5
VLDLRLDLRLDLR,5552193246 1
VLDLRApoE(VLDL-VLDLVLDL)LDL
2
VLDL-VLDL LDLR VLDLRVLDL-VLDL VLDLVLDLVLDL VLDLR 3
SR-A(SR-A6I:scavenger receptor, SR SR:SR-A-B-C-D-E -F
SR LDL () () LDL
: LPLHLLCATHMGCoAase: CETP LPL LCAT HMGCoAaseHL(HTGL)
LPL 60kD LPLLPL ApoC
1CMVLDLTG 2PL 3PLApoCh 4CM
/HL/HTGL 53kD: ApoC
: 1.VLDL-VLDLTG 2HDL3HDL2 3. HDL
LCAT: HDL41663kD
: Apo AI
1. ()HDLFCCECEHDL FC CE 2. ChCh
CoA HMG CoA
CETP: 74ku
CETPHDLCEHDL-c
CMCM
VLDLIDL LDL HDL HDL
(TG)FFAMGTGPL TGTCPLApoB48ApoAICM
HDL (ApoC,E) CM() CM (TG) LPL MG+FFA
CMLPLCM CM CMTG
TGApoB100CEVLDLVLDL VLDL:TGVLDL
LDLVLDLCEHDL(CETP LDL
HDL2CETPVLDLLDLCETGVLDLLDLFC HDL(RCT) ()HDL HDLHDLn,PLApoA,HDLHDLHDL3CE HDL2
TCTG CMVLDLLDLHDL
:
1967Fredrickson:
1970(WHO)
WHO
1()412h()?
2TGTC
3LP()LP(%)(?)
1 ( ) TG TC TC/TG0.2 CM () 10 () ICM
2LPLApoC TG TG Apo C() LPL CMTG CMCM CM
1 TCTG TC/TG1.6;LDL -LP AS AS () IIa()
2LDL (1) LDL LDL LDL(1/2) (2) LDLLDL (3) LDLLDL LDL LDLLDL-ChAS
1 ;TG,TC, TC/TG>1.0LDLVLDL(- LP -LP) ,AS 2ApoB100VLDL LDL () b-LP-LP
1 ; TG,TC IDL-LP (-LP-LP )-VLDL AS() (-VLDL- )
2 ApoE ApoEApoE2E3E4ApoE(LDL)E2LDLApoE3/E3LDLApoE2/E2LDLLDL
1 TGTCTC/TG 0.6-1.6 VLDL-LP AS 2 VLDL/VLDL () (TGVLDL)
1 () TGTCTC/TG 0.6 CM-LP 20 2 ApoCLPLLPL CMVLDLTG() (CM-LP)
TG4:(1)CMVLDLI(2)CMVLDLV(3)4VLDLTC TCIIIIIbTC(4)IIa
CETPHTGL HDL
HDL HDL-C2.6mmol/LHDLCETPHTGLHDL
AS AS HDLAS
ASASAS
LDL-VLDL oxLDLAS HDLAS AS
CMVLDLLPLCMIDLApoE -VLDL(ApoE)-VLDLASAS
LDL LDLLDLLDL,LDL: LDL LDL LDL LDLApoB100LDLLDLAS
LDL-CAS LDLAB: B(LDL)AS,BLDL,LDLLDLCHD LDL(SD-LDL) BLDL
LP(a) 0l000mg/LApo(a),Apo(a), 37Kringle-4(K-4),1Kringle-5(K5)1(a) Lp(a) Kringle(3)
LDL HDLAS
HDL: : NCEHCEFCHDLNCEH FC: NCEH NCEH
TG HDL-C X
(deadly quartet) Kaplan
IDF IDF
2002(NCEP)ATP III 33 >102cm >88cm 150mg/dL1.69mmol/L) HDL-C < 40 mg/ dL1.04mmol/L) < 50 mg/dL(1.29mmol/L) 110mg/dL (6.1mmol/L) 130/85 mmHg
2004 (CDS) 53 85 cm ; 80 cm ) SBP130mmHg / DBP85 mmHg 150mg/dL < 40 mg/ dL 110mg/dL
ASAS : TCTGLDL HDL AS
1997: ()
(mmol/L1997)
TCTGLDL-CHDL-C
(mmol/L)
AS() TC>5.70>6.213.64>4.145.703.10>3.644.70>5.202.60>3.10
1993ATP: LDL-C 3.36mmol/L HDL-C 0.9mmol/L 82001ATP LDL-C 2.6mmol/L HDL-C 1.0mmol/L LDL-CAS LDL-C2.6mmol/L ()
LDL-CHDL-CTCATP(mmol/L)
LDL-CTCHDL-C
CHDVLDL-CVLDL()VLDL-C TG4 1.7mmol/L 1.7 2.25mmol/L 2.26 5.64mmol/L 5.65mmol/L
/ ASAS
CE70FC30
:
1
1
(2) 70
TCTCTC TC TC
TG: 2 TG
11 2KOH 3 4(45--27-)(NH4+)
2 TGTGGKGOD
0.561.70mmol/L 0.361.50mmol/L
1.70mmol/L (150mg/dl)
TGTG TG
3 (PL)PL : , 1.33.2mmol/L
Cl0(FFA) : (C18:1)54 (C16:1)34 (C18:1)6 (C22:0)(C14:0)(C20:1) FFA12min 4
FFA: FFA,: 424h30
: 0.40.9mmol/L
:24h() 4831
24mol/L 4.140.78mol/L 3.970.77mol/L 5
() 1 (ultracentrifugation method)
2(electrophoresis Method (TGTC) 12hCM
4 16h24h: CM,VLDL LDL 3
HDL-C 0.9mmol/L LDL-C 2.13.1mmol/L 2.8mmol/L4
() +
(1) (precipitate method)
PEG2000LDL+VLDL () HDL()HDL-C
HDL+VLDL () LDL()LDL-C
(2)
(pH)
HDL-CHDL-C0.9 mmol/L HDL-C1.55mmol/L HDL-CTGHDL-CHDL-CHDL-CHDL-CHDL-C 0.9mmol/L
LDL-C TCTGHDL-CLDL-CFriedewald1972 LDL-C=TC[HDL-C+(TG1/5)] CM TG4.60mmol/L
2.1 3.1mmol/L 2.8mmol/L
LDL-CTCHDL-CLDL-CTCLDL-C
Lp(a)-C : Lp(a)01000mg/L 300mg/LLp(a):
ApoApo (1) sApoAApoB100Apoa (2) ApoAangier ApoC
ApoHDLCLDL , Apo AI Apo B100, , , Apo AI Apo B100 ApoINAITA
ApoAIHDL ApoBLDLApoAIApoBHDLLDL ApoAIHDLApoBLDLHDLLDLApoAIApoBApoAIApoB
135 2LDL-CHDL-C1214
3441-3
5 (1) 31730 (2)
(3) 24LDL-C12-2411224
(4) 510min10-15min9-10
1.2 2.24h 3. 4.TCTCTG12h 5.5min
CDC 6.1min 7.EDTA2-81.03 8.24h41-20-70
NCEP-ATPTCTGHDL-CLDL-CapoAIapoBLp(a)