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Alterations in endothelium-associated proteins and serum thyroid hormone concentrations in anorexia nervosa

Published online by Cambridge University Press:  09 March 2007

Gen Komaki ,
Hajime Tamai ,
Toshio Mukuta ,
Nobuyuki Kobayashi ,
Kenji Mori ,
Tetsuya Nakagawa  and
Lindy F. Kumagai
Gen Komaki
Affiliation:
Department of Psychosomatic Medicine, Faculty of Medicine, Kyushu University, Fukuoka, Japan
Hajime Tamai
Affiliation:
Department of Psychosomatic Medicine, Faculty of Medicine, Kyushu University, Fukuoka, Japan
Toshio Mukuta
Affiliation:
Department of Psychosomatic Medicine, Faculty of Medicine, Kyushu University, Fukuoka, Japan
Nobuyuki Kobayashi
Affiliation:
Department of Psychosomatic Medicine, Faculty of Medicine, Kyushu University, Fukuoka, Japan
Kenji Mori
Affiliation:
Department of Psychosomatic Medicine, Faculty of Medicine, Kyushu University, Fukuoka, Japan
Tetsuya Nakagawa
Affiliation:
Department of Psychosomatic Medicine, Faculty of Medicine, Kyushu University, Fukuoka, Japan
Lindy F. Kumagai
Affiliation:
Department of Internal Medicine, School of Medicine, University of California, Davis (LFK), Sacramento, CA, USA
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Abstract

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Plasma concentrations of endothelium-associated proteins (EAP) (plasma fibronectin (PFN), angio-tensin-converting enzyme, factor VIII-related antigen (F VIII-R:Ag)) and tissue plasminogen activator and serum thyroid hormone concentrations were studied in nine patients with anorexia nervosa (AN), before and after weight gain. Before weight gain (-35.9 (se 2.3)% of standard body-weight) PFN was significantly reduced and F VIII-R:Ag was significantly increased in AN patients compared with the concentrations in control subjects (211.5 (se 14.9) v. 274.7 (se 16.6) μg/ml, P < 0.05; 129.2 (se 14.1) v. 88.2 (se 9.7)%, P <0.05 respectively). Serum triiodothyronine (T3) and free T3 levels were also significantly lower before weight gain in AN patients (0.85 (se 0.07) v. 1.53 (se 0.08) nmol/l, P < 0.001; 2.57 (se 0.23) v. 5.31 (se 0.34) pmol/l, P < 0.001 respectively), although serum thyroxine (T4), free T4, and thyrotropin concentrations were within the normal range throughout the study periods. Following weight gain, PFN and F VIII-R: Ag concentrations normalized as did the thyroid hormone levels. The incremental changes in PFN levels correlated significantly with those in serum thyroid hormone concentrations (T3, r 0.79, P <0.01; free T3, r 0.84, P < 0.01). These findings suggest that PFN levels may be directly related to serum T3 concentrations in AN patients.

Keywords

Endothelium-associated proteinsSerum thyroid hormoneAnorexia nervosa
Type
Nutritional Effects of Hormones
Information
British Journal of Nutrition , Volume 68 , Issue 1 , July 1992 , pp. 67 - 75
Copyright
Copyright © The Nutrition Society 1992

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