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Related Concept Videos

Clathrin Coated Vesicles01:12

Clathrin Coated Vesicles

Clathrin-coated vesicles use endocytosis to transport receptors and lysosomal hydrolases from the Golgi to the lysosome in the late secretory pathway. Clathrin-mediated endocytosis was the first described endocytic process, and Clathrin-coated vesicles remain one of the most well-studied transport vesicles. The molecular machinery that generates clathrin-coated vesicles comprises over 50 proteins that precisely coordinate vesicle formation. Cell surface receptors concentrated in indented sites...
COP Coated Vesicles00:59

COP Coated Vesicles

Membrane-enclosed structures called vesicles transport proteins and lipids across the cell. The vesicles derive their cargo from the plasma membrane, Golgi, ER, or endosome. Coated vesicles are spherical, protein-coated carriers with a 50–100 nm diameter that mediate bidirectional transport between the ER and the Golgi. The distribution of proteins between the ER and Golgi complex is dynamic and is maintained by different coated vesicles. Their formation is driven by the assembly of different...
Membrane Domains01:18

Membrane Domains

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Protein Domains
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Atherosclerosis I: Introduction01:30

Atherosclerosis I: Introduction

Atherosclerosis is a progressive disorder characterized by the buildup of plaques on the arterial inner wall, causing them to narrow and harden over time. These plaques comprise lipids, calcium, blood components, carbohydrates, and fibrous tissue. The process primarily affects the intima of large and medium-sized arteries, reducing blood flow in any artery.Etiology and risk factorsThe cause of atherosclerosis is multifactorial, involving a complex interplay among endothelial injury, lipid...
Receptor-mediated Endocytosis01:38

Receptor-mediated Endocytosis

Overview
Receptor-mediated Endocytosis01:20

Receptor-mediated Endocytosis

Receptor-mediated endocytosis is when bulk amounts of specific molecules are imported into a cell after binding to cell surface receptors. The molecules bound to these receptors are taken into the cell through inward folding of the cell surface membrane, which is eventually pinched off into a vesicle within the cell. Structural proteins, such as clathrin, coat the budding vesicle.
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Related Experiment Video

Updated: May 24, 2026

Cholesterol Efflux Assay
07:54

Cholesterol Efflux Assay

Published on: March 6, 2012

Atherosclerosis, caveolae and caveolin-1.

Stephanos Pavlides1, Jorge L Gutierrez-Pajares, Christiane Danilo

  • 1Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA.

Advances in Experimental Medicine and Biology
|March 14, 2012
PubMed
Summary
This summary is machine-generated.

Caveolae and caveolin-1 are involved in atherosclerosis, a blood vessel disease. Their role is complex, acting as either pro- or anti-atherogenic depending on the cell type.

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Area of Science:

  • Cardiovascular Biology
  • Cellular Biology
  • Molecular Medicine

Background:

  • Atherosclerosis involves arterial occlusion with lipid and cellular deposits.
  • Caveolae are plasma membrane invaginations crucial for cellular signaling and transport.
  • Caveolin-1 is a key protein within caveolae, found in cells implicated in atherosclerosis.

Purpose of the Study:

  • To examine the multifaceted roles of caveolae and caveolin-1 in atherosclerosis development.
  • To synthesize current literature on caveolin-1's function in vascular disease.
  • To elucidate the cell-type-specific effects of caveolin-1 in atherogenesis.

Main Methods:

  • Review and analysis of existing scientific literature.
  • Examination of studies investigating caveolae and caveolin-1 in cellular models and disease contexts.
  • Synthesis of evidence regarding the pro- or anti-atherogenic functions of caveolin-1.

Main Results:

  • Caveolin-1 and caveolae are ubiquitously present in cells central to atherosclerosis.
  • Evidence indicates that caveolin-1 can exert both pro-atherogenic and anti-atherogenic effects.
  • The specific function of caveolin-1 is contingent upon the cellular context within the atherosclerotic environment.

Conclusions:

  • Caveolae and caveolin-1 play a significant, albeit complex, role in the pathogenesis of atherosclerosis.
  • Understanding the cell-specific functions of caveolin-1 is critical for developing targeted therapies.
  • Further research is warranted to fully delineate the therapeutic potential of modulating caveolin-1 activity in vascular disease.