MCU complex: Exploring emerging targets and mechanisms of mitochondrial physiology and pathology

Background: Globally, the onset and progression of multiple human diseases are associated with mitochondrial dysfunction and dysregulation of Ca2+ uptake dynamics mediated by the mitochondrial calcium uniporter (MCU) complex, which plays a key role in mitochondrial dysfunction. Despite relevant stud...

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Main Authors: Jin Wang, Jinyong Jiang, Haoliang Hu, Linxi Chen
Format: Article
Language:English
Published: Elsevier 2025-02-01
Series:Journal of Advanced Research
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Online Access:http://www.sciencedirect.com/science/article/pii/S2090123224000754
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author Jin Wang
Jinyong Jiang
Haoliang Hu
Linxi Chen
author_facet Jin Wang
Jinyong Jiang
Haoliang Hu
Linxi Chen
author_sort Jin Wang
collection DOAJ
description Background: Globally, the onset and progression of multiple human diseases are associated with mitochondrial dysfunction and dysregulation of Ca2+ uptake dynamics mediated by the mitochondrial calcium uniporter (MCU) complex, which plays a key role in mitochondrial dysfunction. Despite relevant studies, the underlying pathophysiological mechanisms have not yet been fully elucidated. Aim of review: This article provides an in-depth analysis of the current research status of the MCU complex, focusing on its molecular composition, regulatory mechanisms, and association with diseases. In addition, we conducted an in-depth analysis of the regulatory effects of agonists, inhibitors, and traditional Chinese medicine (TCM) monomers on the MCU complex and their application prospects in disease treatment. From the perspective of medicinal chemistry, we conducted an in-depth analysis of the structure–activity relationship between these small molecules and MCU and deduced potential pharmacophores and binding pockets. Simultaneously, key structural domains of the MCU complex in Homo sapiens were identified. We also studied the functional expression of the MCU complex in Drosophila, Zebrafish, and Caenorhabditis elegans. These analyses provide a basis for exploring potential treatment strategies targeting the MCU complex and provide strong support for the development of future precision medicine and treatments. Key scientific concepts of review: The MCU complex exhibits varying behavior across different tissues and plays various roles in metabolic functions. It consists of six MCU subunits, an essential MCU regulator (EMRE), and solute carrier 25A23 (SLC25A23). They regulate processes, such as mitochondrial Ca2+ (mCa2+) uptake, mitochondrial adenosine triphosphate (ATP) production, calcium dynamics, oxidative stress (OS), and cell death. Regulation makes it a potential target for treating diseases, especially cardiovascular diseases, neurodegenerative diseases, inflammatory diseases, metabolic diseases, and tumors.
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spelling doaj-art-ad62c594602d4661a4e8229e64691e372025-01-18T05:04:19ZengElsevierJournal of Advanced Research2090-12322025-02-0168271298MCU complex: Exploring emerging targets and mechanisms of mitochondrial physiology and pathologyJin Wang0Jinyong Jiang1Haoliang Hu2Linxi Chen3Institute of Pharmacy and Pharmacology, Learning Key Laboratory for Pharmacoproteomics, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmaceutical Science, Hengyang Medical College, University of South China, Hengyang 421001, ChinaDepartment of Pharmacy, The First Affiliated Hospital of Jishou University, Jishou 416000, ChinaInstitute of Pharmacy and Pharmacology, Learning Key Laboratory for Pharmacoproteomics, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmaceutical Science, Hengyang Medical College, University of South China, Hengyang 421001, China; College of Medicine, Hunan University of Arts and Science, Changde 415000, China; Corresponding authors at: College of Medicine, Hunan University of Arts and Science, No. 3150 Dongting Avenue, Changde, Hunan, China.Institute of Pharmacy and Pharmacology, Learning Key Laboratory for Pharmacoproteomics, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmaceutical Science, Hengyang Medical College, University of South China, Hengyang 421001, China; Corresponding authors at: College of Medicine, Hunan University of Arts and Science, No. 3150 Dongting Avenue, Changde, Hunan, China.Background: Globally, the onset and progression of multiple human diseases are associated with mitochondrial dysfunction and dysregulation of Ca2+ uptake dynamics mediated by the mitochondrial calcium uniporter (MCU) complex, which plays a key role in mitochondrial dysfunction. Despite relevant studies, the underlying pathophysiological mechanisms have not yet been fully elucidated. Aim of review: This article provides an in-depth analysis of the current research status of the MCU complex, focusing on its molecular composition, regulatory mechanisms, and association with diseases. In addition, we conducted an in-depth analysis of the regulatory effects of agonists, inhibitors, and traditional Chinese medicine (TCM) monomers on the MCU complex and their application prospects in disease treatment. From the perspective of medicinal chemistry, we conducted an in-depth analysis of the structure–activity relationship between these small molecules and MCU and deduced potential pharmacophores and binding pockets. Simultaneously, key structural domains of the MCU complex in Homo sapiens were identified. We also studied the functional expression of the MCU complex in Drosophila, Zebrafish, and Caenorhabditis elegans. These analyses provide a basis for exploring potential treatment strategies targeting the MCU complex and provide strong support for the development of future precision medicine and treatments. Key scientific concepts of review: The MCU complex exhibits varying behavior across different tissues and plays various roles in metabolic functions. It consists of six MCU subunits, an essential MCU regulator (EMRE), and solute carrier 25A23 (SLC25A23). They regulate processes, such as mitochondrial Ca2+ (mCa2+) uptake, mitochondrial adenosine triphosphate (ATP) production, calcium dynamics, oxidative stress (OS), and cell death. Regulation makes it a potential target for treating diseases, especially cardiovascular diseases, neurodegenerative diseases, inflammatory diseases, metabolic diseases, and tumors.http://www.sciencedirect.com/science/article/pii/S2090123224000754MCUMitochondrial dynamicsMitochondrial pathophysiologyCell behaviorPotential targetsHuman diseases
spellingShingle Jin Wang
Jinyong Jiang
Haoliang Hu
Linxi Chen
MCU complex: Exploring emerging targets and mechanisms of mitochondrial physiology and pathology
Journal of Advanced Research
MCU
Mitochondrial dynamics
Mitochondrial pathophysiology
Cell behavior
Potential targets
Human diseases
title MCU complex: Exploring emerging targets and mechanisms of mitochondrial physiology and pathology
title_full MCU complex: Exploring emerging targets and mechanisms of mitochondrial physiology and pathology
title_fullStr MCU complex: Exploring emerging targets and mechanisms of mitochondrial physiology and pathology
title_full_unstemmed MCU complex: Exploring emerging targets and mechanisms of mitochondrial physiology and pathology
title_short MCU complex: Exploring emerging targets and mechanisms of mitochondrial physiology and pathology
title_sort mcu complex exploring emerging targets and mechanisms of mitochondrial physiology and pathology
topic MCU
Mitochondrial dynamics
Mitochondrial pathophysiology
Cell behavior
Potential targets
Human diseases
url http://www.sciencedirect.com/science/article/pii/S2090123224000754
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