M.A. Omelchenko
Mental Health Research Centre
V.G. Kaleda
Mental Health Research Centre
Features of inflammatory reactions in patients with juvenile depression with a clinically high risk of psychosis
Journal: S.S. Korsakov Journal of Neurology and Psychiatry. 2023;123(11‑2): 55‑61
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To cite this article:
Zozulya SA, Omelchenko MA, Otman IN, Sarmanova ZV, Migalina VV, Kaleda VG, Klyushnik TP. Features of inflammatory reactions in patients with juvenile depression with a clinically high risk of psychosis. S.S. Korsakov Journal of Neurology and Psychiatry.
2023;123(11‑2):55‑61. (In Russ.)
https://doi.org/10.17116/jnevro202312311255
To determine the levels of pro-inflammatory and anti-inflammatory cytokines and inflammatory markers such as C-reactive protein, leukocyte elastase, α1-proteinase inhibitor, autoantibodies to neuroantigens in the blood of patients with adolescent depression with clinical high risk for psychosis (CHR-P) and to study the relation of these biological markers to the features of psychopathological symptomatology of the patients.
Eighty young adults, aged 16—24 years, with the first depressive episode (F32.1-2, F32.38, F32.8) were studied. Based on the presence of attenuated positive symptoms in the structure of depression, all patients were divided into two groups: with CHR-P (clinical group, n=58) and without CHR-P (comparative group, n=22). The HDRS-21, SOPS, and SANS were used for psychometric assessment of the patients. Serum levels of cytokines TNF-α, IL-6, IL-8, IL-10, and concentration of C-reactive protein (CRP) were determined. Leukocyte elastase (LE) activity, α1-proteinase inhibitor (α1-PI) activity, and plasma levels of autoantibodies to S100B protein and myelin basic protein (MBP) were assessed.
Both groups of patients were characterized by the high levels of inflammation as assessed by LE (250.5 (226.2—280.8) nmol/min·ml vs 248.3 (226.8—284.5) nmol/min·ml) and α1-PI activity (44.4 (37.5—50.1) IE/ml vs 45.2 (36.4—49.9) IE/ml). Higher levels (p<0.05) of IL-6 (1.22 (0.64—2.2) pg/ml), CRP (0.93 (0.18—3.18) mg/l), and TNF-α/IL-10 (0.34 (0.2—0.47)) were detected in the group with CHR-P. This group was also characterized by higher levels of antibodies to the S100B protein 0.78 (0.69—0.84 units of opt.density) compared with the group without CRH-P (p<0.05). In each clinical group, different correlations between clinical, psychometric and biological parameters were revealed.
The results confirm the involvement of inflammation in the development of depression in youth and indicate a different role of the inflammatory markers analyzed in the formation of CHR-P. The differences in the spectrum of inflammatory markers in depressed patients suggest a more pronounced pro-inflammatory potential in the group with CHR-P.
Keywords:
Authors:
M.A. Omelchenko
Mental Health Research Centre
V.G. Kaleda
Mental Health Research Centre
Received:
25.08.2023
Accepted:
05.09.2023
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