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. 1994 May;232(5):297-301.
doi: 10.1007/BF00194479.

Neuroendocrine alterations in uveitis patients

H A Wollmann  1 , U Pleyer, S Friedel, M Zierhut, H J Thiel, D Gupta
Affiliations

Neuroendocrine alterations in uveitis patients

H A Wollmann et al. Graefes Arch Clin Exp Ophthalmol. 1994 May.

Abstract

Experimental models of autoimmune uveitis are consistently associated with pinealitis. To investigate the interaction between the neuroendocrine and immune systems in humans with uveitis, we measured serum levels of the predominant pineal hormone melatonin (MEL), prolactin (PRL) and interleukin-2 (IL-2). A total of 100 patients with different forms of uveitis and 30 age-matched, healthy blood donors were evaluated retrospectively. The day-time MEL was reduced significantly (P < or = 0.01) in patients with iritis and iridocyclitis, and highly significantly (P < or = 0.001) in patients with intermediate uveitis, chorioretinitis and panuveitis. In 38% of patients day-time MEL levels in plasma were below the limit of detection. PRL was significantly reduced (P < 0.01) in patients with intermediate uveitis. IL-2 was reduced to about 50% of control values in all groups of patients. The results suggest a possible neuroendocrine-immune interaction in uveitis patients.

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