Interleukin-1β and TNF-α are elevated in the amygdala of adult rats prenatally exposed to ethanol

Kokhan V.S.1 , Anokhin P.K.1, Proskuryakova T.V.1, Shokhonova V.A.1, Ageldinov R.A.2, Shamakina I.Yu.1

1. National Scientific Center for Narcology — Branch of the V.P. Serbsky National Medical Research Centre for Psychiatry and Narcology, Moscow, Russia
2. Scientific Center of Biomedical Technologies of the Federal Medical and Biological Agency of Russia, Svetlye gory, Moscow Region, Russia
Section: Experimental Study
DOI: 10.18097/PBMC20236905300      PubMed Id: 37937432
Year: 2023  Volume: 69  Issue: 5  Pages: 300-306
Affective disorders, including anxiety and depression, developed in adult offspring of the mothers who consumed alcohol during pregnancy could be associated with an imbalance in neuroimmune factors in the amygdala (corpus amygdaloideum) resulted in impaired emotional stimulus processing. The aim of this study was to compare the content of cytokines TNF-α, IL-1α, IL-1β, IL-10, and IL-17 in the amygdala of adult female rats exposed to alcohol in utero and control rats. Cytokine levels were evaluated using a multiplex immunoassay system; mRNA expression was investigated using a real-time reverse transcription-polymerase chain reaction (RT-qPCR) assay. Prenatal alcohol exposure led to the increase in the content of TNF-α and IL-1β without significant changes in the mRNA expression level. Our data suggest that ethanol exposure to the fetus during pregnancy can result in long-term alterations in the content of the key neuroinflammatory factors in the amygdala, which in turn can be a risk factor for affective disorders in the adulthood.
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Keywords: prenatal alcohol exposure, affective disorders, amygdala, cytokines, TNF-α, IL-1β

Kokhan, V. S., Anokhin, P. K., Proskuryakova, T. V., Shokhonova, V. A., Ageldinov, R. A., Shamakina, I. Yu. (2023). Interleukin-1β and TNF-α are elevated in the amygdala of adult rats prenatally exposed to ethanol. Biomeditsinskaya Khimiya, 69(5), 300-306.
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