Ca2+ Sensors Assemble: Function of the MCU Complex in the Pancreatic Beta Cell.
Cells
; 11(13)2022 06 22.
Article
en En
| MEDLINE
| ID: mdl-35805078
ABSTRACT
The Mitochondrial Calcium Uniporter Complex (MCU Complex) is essential for ß-cell function due to its role in sustaining insulin secretion. The MCU complex regulates mitochondrial Ca2+ influx, which is necessary for increased ATP production following cellular glucose uptake, keeps the cell membrane K+ channels closed following initial insulin release, and ultimately results in sustained insulin granule exocytosis. Dysfunction in Ca2+ regulation results in an inability to sustain insulin secretion. This review defines the functions, structure, and mutations associated with the MCU complex members mitochondrial calcium uniporter protein (MCU), essential MCU regulator (EMRE), mitochondrial calcium uptake 1 (MICU1), mitochondrial calcium uptake 2 (MICU2), and mitochondrial calcium uptake 3 (MICU3) in the pancreatic ß-cell. This review provides a framework for further evaluation of the MCU complex in ß-cell function and insulin secretion.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Proteínas de Transporte de Catión
/
Células Secretoras de Insulina
Idioma:
En
Revista:
Cells
Año:
2022
Tipo del documento:
Article
País de afiliación:
Estados Unidos