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Updated: Jun 6, 2025
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Published on: October 17, 2017
Modification macrophage to foam cells in atherosclerosis disease: some factors stimulate or inhibit this process
Najmaldin Saki1, Habib Haybar2, Mahmood Maniati3
1Thalassemia & Hemoglobinopathy Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
Background:
Atherosclerosis is an arterial blood vessel disease that begins and progresses by turning macrophages into foam cells. Uptake of oxidized low-density lipoprotein (ox-LDL), cholesterol esterification and cholesterol efflux are the most important factors in the formation of foam cells and play an important role in atherosclerosis.
Methods:
The present study is based on the data obtained from the PubMed database (1961-2024) using the MeSH search terms "Atherosclerosis", "Macrophages" and "Foam cells". Reviews for writing the main text and non-English-language articles were excluded.
Result:
The interaction between ox-LDL and macrophages plays an important role in plaque initiation and promotion processes. Macrophages abnormally digest ox-LDL, resulting in the accumulation of lipids and formation of foam cells. This is an important step in the development of atherosclerosis. Also, several other factors such as inflammatory factors, growth factors, hormones, etc. can play an important role in the development of atherosclerotic lesions or counteract it by affecting the formation of foam cells.
Conclusion:
Several factors can affect the progression of atherosclerosis by affecting macrophage activity or its conversion to foam cells. Also, some of these factors play a protective role against the development and atherosclerosis progression. In this paper, we reviewed some of these factors and their effect on atherosclerosis.
