Search Results - "Lamothe, Shawn M."
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The Serum- and Glucocorticoid-inducible Kinases SGK1 and SGK3 Regulate hERG Channel Expression via Ubiquitin Ligase Nedd4-2 and GTPase Rab11
Published in The Journal of biological chemistry (24-05-2013)“…The hERG (human ether-a-go-go-related gene) encodes the α subunit of the rapidly activating delayed rectifier potassium channel (IKr). Dysfunction of hERG…”
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Glycosylation stabilizes hERG channels on the plasma membrane by decreasing proteolytic susceptibility
Published in The FASEB journal (01-04-2018)“…The human ether‐a‐go‐go related gene (hERG)–encoded channel hERG undergoes N‐linked glycosylation at position 598, which is located in the unusually long…”
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3
Reducing agents facilitate membrane patch seal integrity and longevity
Published in Channels (Austin, Tex.) (01-12-2024)“…The patch clamp method is a widely applied electrophysiological technique used to understand ion channel activity and cellular excitation. The formation of a…”
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4
Control of Slc7a5 sensitivity by the voltage-sensing domain of Kv1 channels
Published in eLife (09-11-2020)“…Many voltage-dependent ion channels are regulated by accessory proteins. We recently reported powerful regulation of Kv1.2 potassium channels by the amino acid…”
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Muscarinic receptor activation increases hERG channel expression through phosphorylation of ubiquitin ligase Nedd4-2
Published in Molecular pharmacology (01-06-2014)“…The human ether-à-go-go-related gene (hERG) encodes the pore-forming subunit of the rapidly activating delayed rectifier potassium channel, which is important…”
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6
Febrile temperature facilitates hERG/IKr degradation through an altered K+ dependence
Published in Heart rhythm (01-10-2016)“…Background Dysfunction of the rapidly activating delayed rectifier K+ channel (IKr ) encoded by the human ether-à-go-go-related gene ( hERG ) is the primary…”
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The Human Ether-a-go-go-related Gene (hERG) Potassium Channel Represents an Unusual Target for Protease-mediated Damage
Published in The Journal of biological chemistry (23-09-2016)“…The human ether-a-go-go-related gene (hERG) encodes the pore-forming subunit of the rapidly activating delayed rectifier potassium channel (IKr), which is…”
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Competition between Slc7a5 and LMAN2 for modulation of Kv1.2 gating
Published in Biophysical journal (10-02-2023)Get full text
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Modulation of heteromeric Kv1 channels by transmembrane lectins and redox
Published in Biophysical journal (10-02-2023)Get full text
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10
Slc7a5 alters Kvβ-mediated regulation of Kv1.2
Published in The Journal of general physiology (06-07-2020)“…The voltage-gated potassium channel Kv1.2 plays a pivotal role in neuronal excitability and is regulated by a variety of known and unknown extrinsic factors…”
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11
Modulation of Kv1.2 redox-sensitive gating by the transmembrane lectin LMAN2
Published in Biophysical journal (10-02-2023)Get full text
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12
Heteromeric Assembly of Truncated Neuronal Kv7 Channels: Implications for Neurologic Disease and Pharmacotherapy
Published in Molecular pharmacology (01-09-2020)Get full text
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13
Endoplasmic reticulum stress in the dorsal root ganglia regulates large‐conductance potassium channels and contributes to pain in a model of multiple sclerosis
Published in The FASEB journal (01-09-2020)“…Neuropathic pain is a common symptom of multiple sclerosis (MS) and current treatment options are ineffective. In this study, we investigated whether…”
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14
A structure-based computational workflow to predict liability and binding modes of small molecules to hERG
Published in Scientific reports (01-10-2020)“…Off-target interactions of drugs with the human ether-à-go-go related gene 1 (hERG1) channel have been associated with severe cardiotoxic conditions leading to…”
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15
Anti-Ro52 antibody acts on the S5-pore linker of hERG to chronically reduce channel expression
Published in Cardiovascular research (01-08-2019)“…Abstract Aims The human ether-a-go-go-related gene (hERG) encodes the rapidly activating delayed rectifier potassium channel (IKr). Malfunction of hERG/IKr is…”
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The N terminus and transmembrane segment S1 of Kv1.5 can coassemble with the rest of the channel independently of the S1–S2 linkage
Published in The Journal of biological chemistry (05-10-2018)“…The voltage-gated potassium channel Kv1.5 belongs to the Shaker superfamily. Kv1.5 is composed of four subunits, each comprising 613 amino acids, which make up…”
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17
Pore- and voltage sensor-targeted KCNQ openers have distinct state-dependent actions
Published in The Journal of general physiology (03-12-2018)“…Ion channels encoded by generate a prominent K conductance in the central nervous system, referred to as the M current, which is controlled by membrane voltage…”
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18
Hypoxia reduces mature hERG channels through calpain up‐regulation
Published in The FASEB journal (01-11-2017)“…Human ether‐a‐go‐go‐related gene (hERG) encodes the pore‐forming subunit of the rapidly activating delayed rectifier potassium current (IKr) potassium channel,…”
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19
Differential Regulation of Human Ether-à-Go-Go-Related Gene (hERG) Current and Expression by Activation of Protein Kinase C
Published in Molecular pharmacology (01-07-2019)“…The ( ) encodes the channel that conducts the rapidly activating delayed rectifier potassium current (I ) in the heart. Reduction in I causes long QT syndrome,…”
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Rab11-dependent Recycling of the Human Ether-a-go-go-related Gene (hERG) Channel
Published in The Journal of biological chemistry (21-08-2015)“…The human ether-a-go-go-related gene (hERG) encodes the pore-forming subunit of the rapidly activating delayed rectifier potassium channel (IKr). A reduction…”
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