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Updated: Jan 20, 2026

Investigating Long-term Synaptic Plasticity in Interlamellar Hippocampus CA1 by Electrophysiological Field Recording
Published on: August 11, 2019
Interleukin-10 and transforming growth factor-β1 facilitate long-term potentiation in CA1 region of hippocampus
Miroslav N Nenov1, Anton E Malkov2, Maxim V Konakov2
1Institute of Theoretical and Experimental Biophysics of the Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia; Alzheimer's Center at Temple, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, 19140, USA.
Abstract:
It has been shown that pro-inflammatory cytokines preferentially attenuate long-term potentiation (LTP), at the same time the effect of anti-inflammatory cytokines on synaptic plasticity has not been fully studied yet. Here we studied the effect of two anti-inflammatory cytokines - interleukin-10 (IL-10) and transforming growth factor-β1 (TGF-β1) on long-term potentiation. It was found that exogenously added IL-10 as well as TGF-β1 were able to effectively facilitate LTP evoked with ether high frequency or theta burst stimulation protocols in CA1 area of hippocampus. Effectiveness of IL-10 and TGF-β1 on LTP varied depending on the concentration of used cytokine and type of tetanic stimulation protocol used for LTP induction. Overall the positive effect of studied cytokines on LTP was associated with their ability to increase basal synaptic strength at Schaffer collateral - CA1 synapse. At the same time IL-10 and TGF-β1 did not have any effect on short-term plasticity. Our results provide new evidence upon the modulatory effects that anti-inflammatory cytokines exert on synaptic plasticity further highlighting their potency as modulators of neuronal function.
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