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Inicio Clínica e Investigación en Arteriosclerosis La elevación del colesterol unido a lipoproteínas de alta densidad: perspectiv...
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Vol. 22. Núm. S1.
Jornada sobre HDL
Páginas 44-48 (abril 2010)
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Vol. 22. Núm. S1.
Jornada sobre HDL
Páginas 44-48 (abril 2010)
Jornada sobre HDL
Acceso a texto completo
La elevación del colesterol unido a lipoproteínas de alta densidad: perspectiva futura. La CETP como diana terapéutica
Elevation of high-density lipoprotein cholesterol: future perspective. Cholesteryl ester transfer protein as a therapeutic target
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F. Civeira
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civeira@unizar.es

Autor para correspondencia.
, R. Mateo-Gallego, E. Burillo, A. Cenarro
Unidad de Lípidos y Laboratorio de Investigación Molecular, Hospital Universitario Miguel Servet, Instituto Aragonés de Ciencias de la Salud (I+CS), Universidad de Zaragoza, Zaragoza, España
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Resumen

La CETP (cholesteryl ester transfer protein) es la proteína responsable de la transferencia de lípidos neutros entre las lipoproteínas. La CETP juega un papel clave en la homeostasis del colesterol, especialmente en la redistribución de colesterol entre partículas y en el transporte reverso de colesterol, por lo que la modificación de su actividad puede modificar el desarrollo y la evolución de la ateromatosis. Los efectos de la inhibición de CETP incluyen: reducción de colesterol LDL y aumento del colesterol HDL y apo A-1, aumento en el tamaño de las partículas LDL y HDL, y reducción del colesterol en las partículas ricas en triglicéridos. En consonancia, la inducción de expresión de la actividad CETP en ratones aumenta la susceptibilidad a la aterosclerosis mientras que la inhibición de la actividad CETP en conejos tiende a reducir su desarrollo. Sin embargo, el papel de la inhibición de CETP en la ateromatosis en humanos está todavía por definir.

Palabras clave:
CETP
Ateromatosis
HDL
Inhibición de CETP
Abstract

Cholesteryl ester transfer protein (CETP) facilitates transfer of neutral lipids between lipoprotein classes. CETP plays a key role in cholesterol homeostasis, especially in the redistribution of cholesterol among particles and in reverse cholesterol transport. Consequently, modifying the activity of this protein could influence the development and progression of atheromatosis. The effects of inhibiting CETP include reductions in lowdensity lipoprotein (LDL)-cholesterol and cholesterol in triglyceride-rich particles and increases in high-density lipoprotein (HDL)-cholesterol, apolipoprotein A-1 and the size of LDL and HDL particles. The induction of expression of CETP activity in mice increases susceptibility to atherosclerosis, while inhibition of CETP activity in rabbits tends to reduce its development. However, the role of CETP inhibition in atheromatosis in humans remains to be established.

Keywords:
CETP
Atheromatosis
HDL
CETP inhibition
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Copyright © 2010. Sociedad Española de Arteriosclerosis y Elsevier España S.L.
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