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Title

Leg ulcers in Klinefelter's syndrome--further evidence for an involvement of plasminogen activator inhibitor-1
Authors
Zollner, Thomas Matthias
Veraart, J. C.
Wolter, Manfred
Hesse, S.
Villemur, B.
Wenke, A.
Werner, R. J.
Boehncke, Wolf-Henning
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Published in British Journal of Dermatology. 1997, vol. 136, no. 3, p. 341-344
Abstract An abnormality in platelet aggregability or fibrinolysis, namely elevated activity of plasminogen activator inhibitor-1 (PAI-1), has been recently documented in patients suffering from Klinefelter's syndrome associated with leg ulceration without underlying venous insufficiency. To determine whether increased PAI-1 activity is a general feature of Klinefelter's syndrome, or more specifically associated with leg ulceration, we investigated PAI-1 influencing parameters and PAI-1 activity in two groups of patients: (i) Klinefelter patients suffering from leg ulceration (n = 7); and (ii) Klinefelter patients without leg ulceration (n = 6). On analysing PAI-1 influencing parameters such as age, body mass index, triglycerides, C-reactive protein, testosterone, smoking behaviour, the presence of diabetes mellitus, and arterial hypertension, respectively, we found no statistically significant differences between the two groups. However, PAI-1 activity in group 1 was highly significantly elevated compared with that in group two patients (P < 0.005). We conclude that (i) PAI-1 activity is not elevated in Klinefelter's syndrome in general; (ii) elevation of PAI-1 activity in patients suffering from Klinefelter's syndrome does not appear to be secondary to PAI-1 influencing parameters; and (iii) elevation of PAI-1 activity may play a crucial role in the pathogenesis of leg ulceration in Klinefelter's syndrome. Therefore, a therapy for leg ulceration in Klinefelter's syndrome that aims to return the elevated PAI-1 activity to normal should be explored.
Keywords Arterial Occlusive Diseases/complications/metabolism — Body Mass Index — Diabetes Complications — Diabetes Mellitus/metabolism — Fibrinolysis — Humans — Hypertension/complications/metabolism — Klinefelter Syndrome/*complications/metabolism — Leg Ulcer/*etiology/metabolism — Male — Middle Aged — Plasminogen Activator Inhibitor 1/*metabolism — Smoking — Triglycerides/metabolism
Identifiers
PMID: 9115912
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Other version: http://onlinelibrary.wiley.com/store/10.1046/j.1365-2133.1997.5601515.x/asset/j.1365-2133.1997.5601515.x.pdf?v=1&t=hk...
Citation
(ISO format) 		ZOLLNER, Thomas Matthias et al. Leg ulcers in Klinefelter's syndrome--further evidence for an involvement of plasminogen activator inhibitor-1. In: British Journal of Dermatology, 1997, vol. 136, n° 3, p. 341-344. https://archive-ouverte.unige.ch/unige:29800

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Deposited on : 2013-09-20

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