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Serum Samples From Patients With Active Psoriasis Enhance Lymphocyte-Induced Angiogenesis and Modulate Endothelial Cell Proliferation
Slawomir Majewski, MD;
Maja Tigalonowa, MD;
Stefania Jab o ska, MD;
Igor Polakowski, MSc;
Ewa Janczura, MD
Arch Dermatol. 1987;123(2):221-225.
Abstract
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• In former studies we have shown the increased angiogenic capability of peripheral blood mononuclear cells (MNCs) from patients with the active guttate type of psoriasis vulgaris. The present study tested the effects of serum factors from 67 patients with various forms of psoriasis vulgaris and from 32 healthy individuals on the angiogenic capability of normal human MNCs in an animal system. The angiogenesis-enhancing effect was most marked in the serum samples from patients with plaquelike and peripherally spreading lesions lasting for one to two months, and tended to disappear in patients with long-lasting and/or stationary lesions. Serum samples from patients with psoriasis were also capable of modulating the proliferation of normal human endothelial cells in vitro, and this modulation was correlated with the duration of relapse. The effects of psoriatic sera on normal human MNC function and on endothelial cell growth may be of importance for vascular proliferation in psoriasis.
(Arch Dermatol 1987;123:221-225)
Author Affiliations
From the Department of Dermatology, Warsaw Medical Academy (Drs Majewski, Tigalonowa, Jaboska, and Janczura), and the Department of Gerontology, Postgraduate School of Medicine, Warsaw (Dr Polakowski).
Footnotes
Accepted for publication Sept 1, 1986.
Reprint requests to the Department of Dermatology, Warsaw Medical Academy, Koszykowa 82-A, 02-008 Warsaw, Poland (Dr Majewski).
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