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Human Mitochondrial Proteomics

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Biochemistry".

Deadline for manuscript submissions: closed (30 November 2020) | Viewed by 4634

Special Issue Editors


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Guest Editor
Research Unit for Molecular Medicine, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, DK-8200 Aarhus N, Denmark
Interests: molecular disease mechanisms in inherited disorders; molecular chaperones; cellular and mitochondrial energy metabolisms; mitochondrial metabolic pathways; mitochondrial dysfunction in disease; neurological diseases; heart diseases

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Guest Editor
Ârhus Universitets hospital, Arhus, Denmark

Special Issue Information

Dear Colleagues,

In recent years, there has been extensive development in the field of mitochondrial biology and in proteomics methodologies, which together, have driven the field of mitochondrial proteomics forward.

Mitochondria are multifaceted and regulate cellular bioenergetics, the degradation of fatty acids and amino acids, calcium levels, reactive oxygen species, and apoptosis. Because of their central function in many essential pathways, they are inherently involved in many different diseases. Defective mitochondria can be the primary causative factor, for example for inherited respiratory chain defects; however, they are also involved in cancer, diabetes, neurodegenerative disorders (Alzheimer’s, Parkinson’s, etc.), mental diseases (depression, schizophrenia), and cardiomyopathy.

Mitochondrial proteomics shed light on perturbation in mitochondrial functions and metabolic pathways, and are a powerful tool to delineate protein interactions, and for activity regulation by protein post-translational modifications, as well as for mitochondrial dynamics and stress responses.

For this Special Issue of IJMS on human mitochondrial proteomics, we invite scientists using and developing mitochondrial proteomics in the context of human biology and human diseases to contribute original and review articles.

Prof. Peter Bross
Prof. Johan Palmfeldt
Guest Editors

Manuscript Submission Information

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Keywords

  • Mitochondrial dysfunction in human diseases
  • Metabolic pathways
  • Bioenergetics
  • Mitochondrial dynamics
  • Reactive oxygen species
  • Redox-signaling
  • Posttranslational protein modifications
  • Protein quality control/proteostasis
  • Mitochondria–ER interactions
  • Mitophagy
  • Apoptosis
  • Respiratory chain supercomplexes

Published Papers (1 paper)

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Review

25 pages, 1314 KiB  
Review
The Mitochondrial Proteomic Signatures of Human Skeletal Muscle Linked to Insulin Resistance
by Rikke Kruse, Navid Sahebekhtiari and Kurt Højlund
Int. J. Mol. Sci. 2020, 21(15), 5374; https://doi.org/10.3390/ijms21155374 - 28 Jul 2020
Cited by 10 | Viewed by 4254
Abstract
Introduction: Mitochondria are essential in energy metabolism and cellular survival, and there is growing evidence that insulin resistance in chronic metabolic disorders, such as obesity, type 2 diabetes (T2D), and aging, is linked to mitochondrial dysfunction in skeletal muscle. Protein profiling by proteomics [...] Read more.
Introduction: Mitochondria are essential in energy metabolism and cellular survival, and there is growing evidence that insulin resistance in chronic metabolic disorders, such as obesity, type 2 diabetes (T2D), and aging, is linked to mitochondrial dysfunction in skeletal muscle. Protein profiling by proteomics is a powerful tool to investigate mechanisms underlying complex disorders. However, despite significant advances in proteomics within the past two decades, the technologies have not yet been fully exploited in the field of skeletal muscle proteome. Area covered: Here, we review the currently available studies characterizing the mitochondrial proteome in human skeletal muscle in insulin-resistant conditions, such as obesity, T2D, and aging, as well as exercise-mediated changes in the mitochondrial proteome. Furthermore, we outline technical challenges and limitations and methodological aspects that should be considered when planning future large-scale proteomics studies of mitochondria from human skeletal muscle. Authors’ view: At present, most proteomic studies of skeletal muscle or isolated muscle mitochondria have demonstrated a reduced abundance of proteins in several mitochondrial biological processes in obesity, T2D, and aging, whereas the beneficial effects of exercise involve an increased content of muscle proteins involved in mitochondrial metabolism. Powerful mass-spectrometry-based proteomics now provides unprecedented opportunities to perform in-depth proteomics of muscle mitochondria, which in the near future is expected to increase our understanding of the complex molecular mechanisms underlying the link between mitochondrial dysfunction and insulin resistance in chronic metabolic disorders. Full article
(This article belongs to the Special Issue Human Mitochondrial Proteomics)
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