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Plasma lipid transport - Role of HDL

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By Philip J. Barter, MD, MBBS, FRACP, PhD, Professor and Director, the Heart Research Institute, Sydney, Australia.
19
Source: International Chair on Cardiometabolic Risk www.cardiometabolic-risk.org Plasma Lipid Transport Role of HDL Philip Barter, MBBS, FRACP, PhD Professor and Director The Heart Research Institute, Sydney, Australia
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Page 1: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

Plasma Lipid TransportRole of HDL

Philip Barter, MBBS, FRACP, PhD Professor and Director

The Heart Research Institute, Sydney, Australia

Page 2: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

CECEFCFC

Plasma Lipid TransportPlasma Lipid Transport

TGTG

Liver

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsTG: triglycerides

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsTG: triglycerides

Adipose tissue

FFA

Page 3: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

CECEFCFC

Plasma Lipid TransportPlasma Lipid Transport

TGTG

Liver VLDL

TGTG

Adipose tissue

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsTG: triglycerides

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsTG: triglycerides

FFA

CECE

Page 4: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

CECE

FFA LPLLPL

FCFC

Plasma Lipid TransportPlasma Lipid Transport

Liver

TGTG

TGTG

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLPL: lipoprotein lipaseTG: triglycerides

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLPL: lipoprotein lipaseTG: triglycerides

VLDL

Adipose and other tissues

Adipose tissue

FFA

CECE

Page 5: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

CECEFCFC

TGTG

Plasma Lipid TransportPlasma Lipid Transport

CECE

TGTG

Liver

LDL

TGTG

TGTG

VLDLFFA LPLLPL

Adipose tissue

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLPL: lipoprotein lipaseTG: triglycerides

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLPL: lipoprotein lipaseTG: triglycerides

Adipose and other tissues

FFA

CECE

Page 6: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

CECEFCFC

TGTG

Plasma Lipid TransportPlasma Lipid Transport

CECE

LDL LDL receptorreceptor

LDL receptorLDL receptor

Liver

LDL

Liver

Cell in peripheral tissue

TGTG

TGTG

TGTG

VLDLFFA LPLLPL

Adipose tissue

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLPL: lipoprotein lipaseTG: triglycerides

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLPL: lipoprotein lipaseTG: triglycerides

Adipose and other tissues

FFA

CECE

CECE

Page 7: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

CECEFCFC

TGTG

Newsynthesis

Plasma Lipid TransportPlasma Lipid Transport

FCFC

LDL LDL receptorreceptor

LDL receptorLDL receptor

Liver

LDL

Liver

Cell in peripheral tissue

TGTG

TGTG

TGTG

VLDLFFA LPLLPL

Adipose tissue

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLPL: lipoprotein lipaseTG: triglycerides

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLPL: lipoprotein lipaseTG: triglycerides

Adipose and other tissues

FFA

CECE

CECE

CECE

Page 8: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

CECEFCFC

TGTG

TGTG Newsynthesis

Plasma Lipid TransportPlasma Lipid Transport

LDL LDL receptorreceptor

LDL receptorLDL receptor

CECE

TGTG

Liver

HDL

LDL

Liver

Cell in peripheral tissue

TGTG

TGTG

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

TGTG

VLDLFFA LPLLPL

LCATLCAT

Adipose tissue

Adipose and other tissues

FFA

CECE

CECE

CECE

FCFC

Page 9: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

CECE

CECEFCFC

TGTG

TGTG Newsynthesis

Plasma Lipid TransportPlasma Lipid Transport

LDL LDL receptorreceptor

LDL receptorLDL receptor

Liver

LDL

Liver

Cell in peripheral tissue

TGTG

TGTG

TGTG

TGTG

VLDLFFA LPLLPL

Adipose tissue

LCATLCAT

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

Adipose and other tissues

HDL

FFA

CECE

CECE

CECE

FCFCCECE

Page 10: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

CECE

CECEFCFC

TGTG

TGTG Newsynthesis

Plasma Lipid TransportPlasma Lipid Transport

LDL LDL receptorreceptor

LDL receptorLDL receptor

Liver

LDL

Liver

Cell in peripheral tissue

TGTG

TGTG

TGTG

TGTG

VLDLFFA LPLLPL

Adipose tissue

LCATLCAT

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

Adipose and other tissues

HDL

FFA

CECE

CECE

CECE

FCFCCECE

Page 11: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

CECE

CECEFCFC

TGTG

TGTG Newsynthesis

Bile

Plasma Lipid TransportPlasma Lipid Transport

LDL LDL receptorreceptor

LDL receptorLDL receptor

Liver

LDL

Liver

Cell in peripheral tissue

TGTG

TGTG

TGTG

TGTG

VLDLFFA LPLLPL

Adipose tissue

FCFC

LCATLCAT

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CE: cholesteryl esterFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

Adipose and other tissues

HDL

FFA

CECE

CECE

CECE

FCFCCECE

Page 12: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

CECE

CECEFCFC

TGTG

TGTG Newsynthesis

Plasma Lipid TransportPlasma Lipid Transport

LDL LDL receptorreceptor

LDL receptorLDL receptor

Liver

LDL

Liver

Cell in peripheral tissue

Adipose tissue

TGTG

TGTG

TGTG

TGTG

VLDLFFA LPLLPL

LCATLCAT

Adipose and other tissues

HDL

FFA

CETPCETP

Bile

FCFC

CE: cholesteryl esterCETP: cholesteryl ester

transfer proteinFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CE: cholesteryl esterCETP: cholesteryl ester

transfer proteinFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CECE

CECE

CECE

FCFCCECE

Page 13: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

Dyslipidemia in Diabetes and the Metabolic SyndromeDyslipidemia in Diabetes and the Metabolic Syndrome

CECE

CECEFCFC

TGTG

TGTG Newsynthesis

CECE

FCFC

LDL LDL receptorreceptor

LDL receptorLDL receptor

CECE

Liver

LDL

Liver

Cell in peripheral tissue

Adipose tissue

TGTG

TGTG

TGTG

TGTG

VLDLFFA LPLLPL

LCATLCAT

Adipose and other tissues

HDL

FFA

CETPCETP

Bile

FCFC

CE: cholesteryl esterCETP: cholesteryl ester

transfer proteinFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CE: cholesteryl esterCETP: cholesteryl ester

transfer proteinFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CECE

CECE

Page 14: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

Dyslipidemia in Diabetes and the Metabolic SyndromeDyslipidemia in Diabetes and the Metabolic Syndrome

CECE

CECEFCFC

TGTG

TGTG Newsynthesis

CECE

FCFC

LDL LDL receptorreceptor

LDL receptorLDL receptor

CECE

Liver

LDL

Liver

Cell in peripheral tissue

Adipose tissue

TGTG

TGTG

TGTG

TGTG

VLDLFFA LPLLPL

LCATLCAT

Adipose and other tissues

HDL

FFA

CETPCETP

Bile

FCFC

CE: cholesteryl esterCETP: cholesteryl ester

transfer proteinFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CE: cholesteryl esterCETP: cholesteryl ester

transfer proteinFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CECE

CECE

Page 15: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

Dyslipidemia in Diabetes and the Metabolic SyndromeDyslipidemia in Diabetes and the Metabolic Syndrome

CECE

CECEFCFC

TGTG

TGTG Newsynthesis

CECE

FCFC

LDL LDL receptorreceptor

LDL receptorLDL receptor

CECE

Liver

LDL

Liver

Cell in peripheral tissue

Adipose tissue

TGTG

TGTG

TGTG

TGTG

VLDLFFA LPLLPL

LCATLCAT

Adipose and other tissues

HDL

FFA

CETPCETP

Bile

FCFC

CE: cholesteryl esterCETP: cholesteryl ester

transfer proteinFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CE: cholesteryl esterCETP: cholesteryl ester

transfer proteinFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CECE

CECE

Page 16: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

Dyslipidemia in Diabetes and the Metabolic SyndromeDyslipidemia in Diabetes and the Metabolic Syndrome

CECE

CECEFCFC

TGTG

TGTG Newsynthesis

CECE

FCFC

LDL LDL receptorreceptor

LDL receptorLDL receptor

CECE

Liver

LDL

Liver

Cell in peripheral tissue

Adipose tissue

TGTG

TGTG

TGTG

TGTG

FFA

LCATLCAT

Adipose and other tissues

LPLLPL

HDL

FFA

VLDL

CETPCETP

Bile

FCFC

CE: cholesteryl esterCETP: cholesteryl ester

transfer proteinFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CE: cholesteryl esterCETP: cholesteryl ester

transfer proteinFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CECE

CECE

Page 17: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

Dyslipidemia in Diabetes and the Metabolic SyndromeDyslipidemia in Diabetes and the Metabolic Syndrome

CECE

CECEFCFC

TGTG

TGTG Newsynthesis

CECE

FCFC

LDL LDL receptorreceptor

LDL receptorLDL receptor

CECE

Liver

LDL

Liver

Cell in peripheral tissue

Adipose tissue

TGTG

TGTG

TGTG

TGTG

FFA

Adipose and other tissues

LCATLCAT

HDL

FFA

VLDL LPLLPL

CETPCETP

Bile

FCFC

CE: cholesteryl esterCETP: cholesteryl ester

transfer proteinFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CE: cholesteryl esterCETP: cholesteryl ester

transfer proteinFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CECE

CECE

Page 18: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

Dyslipidemia in Diabetes and the Metabolic SyndromeDyslipidemia in Diabetes and the Metabolic Syndrome

CECE

CECEFCFC

TGTG

TGTG Newsynthesis

CECE

FCFC

LDL LDL receptorreceptor

LDL receptorLDL receptor

CECE

Liver

LDL

Liver

Cell in peripheral tissue

Adipose tissue

TGTG

TGTG

TGTG

TGTG

FFA

Adipose and other tissues

FFA

VLDL LPLLPL

LCATLCAT

HDL

CETPCETP

Bile

FCFC

CE: cholesteryl esterCETP: cholesteryl ester

transfer proteinFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CE: cholesteryl esterCETP: cholesteryl ester

transfer proteinFC: free cholesterolFFA: free fatty acidsLCAT: lecithin cholesterol

acytransferase LPL: lipoprotein lipaseTG: triglycerides

CECE

CECE

Page 19: Plasma lipid transport - Role of HDL

Source: International Chair on Cardiometabolic Riskwww.cardiometabolic-risk.org

www.cardiometabolic-risk.org


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