Structural and Functional Characterization of a Na
Animals
Calcium
/ metabolism
Calcium Signaling
Cell Line
Female
Humans
Kinetics
Male
Mice, Inbred C57BL
Microscopy, Electron, Scanning
Mitochondria, Heart
/ metabolism
Mitochondrial Proteins
/ genetics
Myocytes, Cardiac
/ metabolism
NAV1.5 Voltage-Gated Sodium Channel
/ genetics
Single Molecule Imaging
Sodium-Calcium Exchanger
/ genetics
Superoxides
/ metabolism
cardiac myocytes
mitochondria
sodium channels
Journal
Circulation research
ISSN: 1524-4571
Titre abrégé: Circ Res
Pays: United States
ID NLM: 0047103
Informations de publication
Date de publication:
05 02 2021
05 02 2021
Historique:
pubmed:
22
12
2020
medline:
27
7
2021
entrez:
21
12
2020
Statut:
ppublish
Résumé
The cardiac sodium channel Na To characterize a subcellular domain formed by sodium channel clusters in the crest region of the myocytes and the subjacent subsarcolemmal mitochondria. Through a combination of imaging approaches including super-resolution microscopy and electron microscopy we identified, in adult cardiac myocytes, a Na We describe an anatomic hub (a couplon) formed by sodium channel clusters and subjacent subsarcolemmal mitochondria. Preferential localization of NCLX to this domain allows for functional coupling where the extrusion of Ca
Identifiants
pubmed: 33342222
doi: 10.1161/CIRCRESAHA.120.318239
pmc: PMC7864872
mid: NIHMS1657190
doi:
Substances chimiques
Mitochondrial Proteins
0
NAV1.5 Voltage-Gated Sodium Channel
0
SCN5A protein, human
0
SLC8B1 protein, human
0
Scn5a protein, mouse
0
Slc8b1protein, mouse
0
Sodium-Calcium Exchanger
0
Superoxides
11062-77-4
Calcium
SY7Q814VUP
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
419-432Subventions
Organisme : NHLBI NIH HHS
ID : R01 HL148609
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL145911
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL134328
Pays : United States
Organisme : NIH HHS
ID : S10 OD019974
Pays : United States
Organisme : NCI NIH HHS
ID : P30 CA016087
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL136179
Pays : United States
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