Elevated vascular endothelial growth factor in systemic sclerosis.

¹Department of Internal Medicine, Division of Rheumatology, St. Mary's Hospital, Research Institute of Immunobiology, The Catholic University of Korea, Seoul, Korea.

|July 15, 2003

Summary

Patients with systemic sclerosis (SSc) have elevated serum vascular endothelial growth factor (VEGF) levels, which correlate with skin sclerosis and reduced capillary density, suggesting VEGF indicates vascular damage.

Area of Science:

Rheumatology
Immunology
Vascular Biology

Background:

Systemic sclerosis (SSc) is a complex autoimmune disease characterized by fibrosis and vascular abnormalities.
Vascular endothelial growth factor (VEGF) plays a crucial role in angiogenesis and vascular permeability.

Purpose of the Study:

To investigate serum VEGF levels in SSc patients.
To explore correlations between VEGF levels and clinical manifestations of SSc.

Main Methods:

Serum VEGF levels were quantified using ELISA in 48 SSc patients and 30 healthy controls.
Nailfold capillary density was assessed using video microscopy and image analysis.
Clinical data, including skin sclerosis extent and organ involvement, were collected.

Main Results:

SSc patients exhibited significantly higher serum VEGF levels compared to controls (p < 0.001).
Elevated VEGF levels were observed in diffuse cutaneous SSc and correlated with skin sclerosis extent (modified Rodnan score) and serum TGF-beta levels.
Serum VEGF levels showed a strong inverse correlation with nailfold capillary density (r = -0.649, p < 0.001).

Conclusions:

Increased skin sclerosis may contribute to elevated serum VEGF in SSc.
High serum VEGF levels may serve as a biomarker for capillary damage in systemic sclerosis.

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Elevated vascular endothelial growth factor in systemic sclerosis.

Area of Science:

Background:

Purpose of the Study:

Main Methods:

Main Results:

Conclusions:

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