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Chemokines, receptors, and their role in cardiovascular pathology
1Laboratory of Molecular Immunoregulation, Division of Basic Sciences, National Cancer Institute-Frederick Cancer Research and Development Center, MD 21702, USA.
Insights
Chemokines are proteins that guide leukocytes, impacting various diseases like inflammation and cancer. Understanding these molecules and their receptors is crucial for balancing their beneficial and harmful effects in host defense.
Area of Science:
- Immunology
- Molecular Biology
- Cell Biology
Background:
- Chemokines are a superfamily of leukocyte chemotactic proteins identified in the last decade.
- They play critical roles in various pathophysiological states, including inflammation, infection, and cancer.
- Chemokines function by binding to specific or promiscuous G-protein-coupled seven-transmembrane receptors.
Purpose of the Study:
- To elucidate the multifaceted roles of chemokines and their receptors in host defense.
- To explore the involvement of chemokine receptors as co-factors in viral infections, such as human immunodeficiency virus type 1.
- To provide a foundation for developing strategies to modulate chemokine activity.
Main Methods:
- Review and synthesis of existing literature on chemokine biology.
- Analysis of the structure and function of chemokine receptors.
- Investigation of the role of chemokines in various disease models and viral pathogenesis.
Main Results:
- Chemokines are essential for selective leukocyte recruitment and activation.
- Chemokine receptors are implicated in diverse conditions, from inflammation to malignancy.
- Certain chemokine receptors serve as critical co-factors for human immunodeficiency virus type 1 entry and infection.
Conclusions:
- Chemokines and their receptors are central regulators of immune cell trafficking and function.
- Targeting chemokine pathways offers potential therapeutic strategies for inflammatory and infectious diseases.
- Further research into chemokine-receptor interactions is vital for harnessing their therapeutic potential while mitigating adverse effects.
Abstract:
A superfamily of leukocyte chemotactic proteins, known as chemokines, has been identified during the past decade. Chemokines selectively attract and activate different leukocyte subpopulations and are key mediators of a variety of patho-physiological states, including hematopoiesis, inflammation, infection, allergy, atheroslerosis, reperfusion injury, as well as malignant tumors. Chemokines bind and activate a number of specific or promiscuous, G-protein-coupled seven-transmembrane receptors. Some of these receptors are utilized by human immuno-deficiency virus type 1 as essential fusion co-factors. Further understanding of the role of chemokines and their receptors in host defense will help develop means by which the beneficial versus detrimental effects of these molecules can be balanced.