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Proinflammatory circulating molecules in peripheral arterial disease.

Salvatore S Signorelli¹, Maria C Mazzarino, Demetrios A Spandidos

¹Department of Internal Medicine, Angiology Unit, University of Catania, 95124 Catania, Italy.

International Journal of Molecular Medicine

|August 3, 2007

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Inflammatory markers like C-reactive protein and IL-6 are linked to peripheral arterial disease (PAD) severity. This review explores their role, especially in type 2 diabetes patients with increased PAD risk.

Area of Science:

Cardiovascular Medicine
Immunology
Genetics

Background:

Peripheral arterial disease (PAD) affects 5% of the elderly population.
PAD is associated with elevated plasma inflammatory markers.
Type 2 diabetes patients have a two-fold risk of PAD.

Purpose of the Study:

To review proinflammatory molecules involved in PAD development.
To examine the role of C-reactive protein, fibrinogen, cytokines (IL-6), adhesion molecules, and matrix metalloproteinases in PAD.
To discuss the influence of the G(-174)C IL-6 polymorphism on PAD in type 2 diabetes.

Main Methods:

Literature review of studies on inflammatory markers and PAD.
Analysis of associations between specific molecules and PAD severity.

Related Experiment Videos

Exploration of genetic polymorphisms related to inflammation and PAD risk.

Main Results:

High C-reactive protein and fibrinogen levels correlate with increased PAD severity.
Interleukin-6 (IL-6) is a key cytokine studied in PAD, particularly in acute phase responses.
Elevated IL-6 and other acute response markers are found in type 2 diabetes patients, who have higher PAD risk.

Conclusions:

Proinflammatory molecules, including C-reactive protein, fibrinogen, and IL-6, are significantly implicated in PAD development and severity.
The G(-174)C IL-6 polymorphism may influence PAD risk in individuals with type 2 diabetes.
Further research into these inflammatory pathways is warranted for understanding and potentially treating PAD.