
IndraLab
Statements
reach
"In vitro binding assays show that the p. E1053K variant disrupts the interaction between Nav1.5 and ankyrin-G resulting in abnormal targeting in myocytes.18 Interestingly, Ankyrin variants have also been found in two young, unrelated individuals with VF storm due to possible ERS, one of them with a family history of SCD."
sparser
"E1053K variant disrupts the interaction between Nav1.5 and ankyrin-G resulting in abnormal targeting in myocytes. xref Interestingly, Ankyrin variants have also been found in two young, unrelated individuals with VF storm due to possible ERS, one of them with a family history of SCD. xref In summary, as Ankyrins are a critical part of the sodium channel complex, the novel ANK3 variant could impair conduction via loss-of-sodium channel function xref which may contribute to disturbed depolarization in ERS."
sparser
"Although there is a long distance between these two binding sites on the primary sequence, the spatial proximity may exist to provide the necessary conditions for amitriptyline to impair the interaction between Nav1.5 and ankyrin-G. On the other hand, we discovered that the long-term effect of amitriptyline could destroy the Nav1.5-dystrophin interaction."
reach
"As deduced from these findings, the novel mechanism responsible for the long-term blockade effect of amitriptyline on Nav1.5 was the impairment of Nav1.5 trafficking.Furthermore, we observed less co-localization and weaker binding between Nav1.5 and ankyrin-G or dystrophin after the long-term treatments with amitriptyline, indicating the disrupted Nav1.5-ankyrin-G interaction and Nav1.5-dystrophin interaction induced by amitriptyline."