2021
An epilepsy-causing mutation leads to co-translational misfolding of the Kv7.2 channel
Urrutia J, Aguado A, Gomis-Perez C, Muguruza-Montero A, Ballesteros OR, Zhang J, Nuñez E, Malo C, Chung HJ, Leonardo A, Bergara A, Villarroel A. An epilepsy-causing mutation leads to co-translational misfolding of the Kv7.2 channel. BMC Biology 2021, 19: 109. PMID: 34020651, PMCID: PMC8138981, DOI: 10.1186/s12915-021-01040-1.Peer-Reviewed Original ResearchConceptsKv7.2 channelsChannel functionSequences of proteinsNon-native configurationsNascent chainsProper foldingEpilepsy-causing mutationsIQ motifResponsive domainHuman diseasesHelix ANative conformationFolding routeIon channelsKCNQ2 geneMutationsNeuronal compartmentsFoldingMisfoldingProteinKey pathogenic mechanismsPathogenic variantsSilico studiesPathogenic mechanismsSide chains
2018
Homomeric Kv7.2 current suppression is a common feature in KCNQ2 epileptic encephalopathy
Gomis‐Pérez C, Urrutia J, Marcé‐Grau A, Malo C, López‐Laso E, Felipe‐Rucián A, Raspall‐Chaure M, Macaya A, Villarroel A. Homomeric Kv7.2 current suppression is a common feature in KCNQ2 epileptic encephalopathy. Epilepsia 2018, 60: 139-148. PMID: 30478917, DOI: 10.1111/epi.14609.Peer-Reviewed Original ResearchConceptsKv7.2 channelsDe novo mutantsWild type Kv7.2Dominant-negative behaviorGenotype-phenotype relationshipsGenetic balanceBisphosphate depletionMutantsHomomeric channelsDNA ratioSubunitsKv7.3 subunitsKv7.2Kv7.3Milder phenotypeMutationsM-currentKCNQ2Common featureNeuronal connectionsRescueKv7.2/Kv7.3 channelsPhenotypeKv7.3 channelsCells