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Quantification of Monocyte Transmigration and Foam Cell Formation from Individuals with Chronic Inflammatory Conditions
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Quantification of Monocyte Transmigration and Foam Cell Formation from Individuals with Chronic Inflammatory Conditions

Published on: October 17, 2017

[Increased expression of monocytic cell adhesion molecules and formation of monocyte-thrombocyte aggregates in

T I Aref'eva, S I Provatorov, A N Samko

    Terapevticheskii Arkhiv
    |June 5, 2002
    PubMed

    Insights

    Patients with coronary restenosis show increased expression of adhesion molecules like Mac-1 and VLA-4 on monocytes, leading to more monocyte-platelet complexes. This suggests elevated cell activation contributes to restenosis after coronary angioplasty.

    Area of Science:

    • Cardiovascular Biology
    • Immunology
    • Cellular Adhesion

    Context:

    • Coronary angioplasty and stenting are common procedures to treat coronary artery disease.
    • Coronary restenosis, the re-narrowing of a previously opened artery, remains a significant clinical challenge.
    • Understanding the cellular mechanisms underlying restenosis is crucial for developing new therapeutic strategies.

    Purpose:

    • To investigate the expression of superficial antigens on blood monocytes and granulocytes.
    • To quantify leukocyte-platelet complex formation following in vitro activation.
    • To analyze changes in these parameters in patients with and without coronary restenosis.

    Summary:

    • Patients undergoing coronary angioplasty were assessed for monocyte and granulocyte antigen expression and leukocyte-platelet complex formation.
    • Significantly higher expression of integrins Mac-1 and VLA-4 was observed on monocytes from patients with restenosis.
    • Elevated numbers of monocyte-platelet complexes were also found in patients with restenosis compared to those without.

    Impact:

    • Findings suggest that increased expression of adhesion molecules by monocytes, leading to enhanced cell activation, may play a role in the development of coronary restenosis.
    • This research provides insights into the cellular mechanisms contributing to restenosis, potentially guiding future diagnostic and therapeutic approaches.
    • The study highlights the utility of flow cytometry in assessing cellular activation markers relevant to cardiovascular disease progression.
    Abstract

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