The contribution of HCN channelopathies in different epileptic syndromes, mechanisms, modulators, and potential treatment targets: a systematic review

M Kessi, J Peng, H Duan, H He, B Chen… - Frontiers in Molecular …, 2022 - frontiersin.org
Background Hyperpolarization-activated cyclic nucleotide-gated (HCN) current reduces
dendritic summation, suppresses dendritic calcium spikes, and enables inhibitory GABA …

Thalamocortical circuits in generalized epilepsy: Pathophysiologic mechanisms and therapeutic targets

BE Lindquist, C Timbie, Y Voskobiynyk, JT Paz - Neurobiology of disease, 2023 - Elsevier
Generalized epilepsy affects 24 million people globally; at least 25% of cases remain
medically refractory. The thalamus, with widespread connections throughout the brain, plays …

Discrete subicular circuits control generalization of hippocampal seizures

F Fei, X Wang, C Xu, J Shi, Y Gong, H Cheng… - Nature …, 2022 - nature.com
Epilepsy is considered a circuit-level dysfunction associated with imbalanced excitation-
inhibition, it is therapeutically necessary to identify key brain regions and related circuits in …

[HTML][HTML] HCN channels and absence seizures

V Crunelli, F David, TP Morais, ML Lorincz - Neurobiology of Disease, 2023 - Elsevier
Hyperpolarization-activation cyclic nucleotide-gated (HCN) channels were for the first time
implicated in absence seizures (ASs) when an abnormal I h (the current generated by these …

cAMP-mediated upregulation of HCN channels in VTA dopamine neurons promotes cocaine reinforcement

L Mu, X Liu, H Yu, CR Vickstrom, V Friedman… - Molecular …, 2023 - nature.com
Chronic cocaine exposure induces enduring neuroadaptations that facilitate motivated drug
taking. Hyperpolarization-activated cyclic nucleotide-gated (HCN) channels are known to …

[HTML][HTML] Selective and brain-penetrant hcn1 inhibitors reveal links between synaptic integration, cortical function, and working memory

E Harde, M Hierl, M Weber, D Waiz, R Wyler… - Cell Chemical …, 2024 - cell.com
Hyperpolarization-activated and cyclic-nucleotide-gated 1 (HCN1) ion channels are
proposed to be critical for cognitive function through regulation of synaptic integration …

The HCN channel as a pharmacological target: Why, where, and how to block it

V Balducci, C Credi, L Sacconi, MN Romanelli… - Progress in Biophysics …, 2021 - Elsevier
Hyperpolarization-activated, cyclic nucleotide-gated (HCN) channels, expressed in a variety
of cell types and in all tissues, control excitation and rhythm. Since their discovery in neurons …

Effects of antiarrhythmic drugs on antiepileptic drug action—A critical review of experimental findings

KK Borowicz-Reutt - International journal of molecular sciences, 2022 - mdpi.com
Severe cardiac arrhythmias developing in the course of seizures increase the risk of SUDEP
(sudden unexpected death in epilepsy). Hence, epilepsy patients with pre-existing …

Opioid-induced hyperalgesia and tolerance are driven by HCN ion channels

X Han, LG Pinto, B Vilar… - Journal of …, 2024 - Soc Neuroscience
Prolonged exposure to opioids causes an enhanced sensitivity to painful stimuli (opioid-
induced hyperalgesia, OIH) and a need for increased opioid doses to maintain analgesia …

Analgesic effect of ivabradine against inflammatory pain mediated by hyperpolarization-activated cyclic nucleotide–gated cation channels expressed on primary …

N Ohashi, D Uta, M Ohashi, H Baba - Pain, 2022 - journals.lww.com
Ivabradine, a hyperpolarization-activated cyclic nucleotide–gated cation (HCN) channel
blocker and clinically approved bradycardic agent, has analgesic effects against …