Related Experiment Video
Updated: Apr 20, 2026
08:56
Modeling Mitochondrial Disease Using Brain Organoids: A Focus on Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-like Episodes
Published on: October 10, 2025
919
Strategies for treating mitochondrial disorders: an update.
Mauro Scarpelli1, Alice Todeschini2, Fabrizio Rinaldi2
1Section of Neurology, Department of Neurological and Movement Sciences, University of Verona, Verona, Italy.
Molecular Genetics and Metabolism
|December 3, 2014
Summary
Mitochondrial diseases stem from genetic mutations affecting cellular respiration. This review explores promising therapeutic strategies to restore mitochondrial function and combat these complex disorders.
Area of Science:
- Biochemistry
- Genetics
- Cell Biology
Background:
- Mitochondrial diseases are complex genetic disorders caused by mutations in nuclear or mitochondrial DNA, leading to respiratory chain dysfunction.
- The heterogeneity of these diseases presents significant challenges for developing effective treatments, leaving patients with limited options.
Purpose of the Study:
- To review and discuss feasible therapeutic approaches for mitochondrial diseases.
- To highlight the potential of novel strategies in restoring respiratory chain function.
Main Methods:
- Literature review of current and emerging therapeutic strategies for mitochondrial diseases.
- Discussion of approaches targeting mitochondrial biogenesis, electron transport chain function, reactive oxygen species removal, and mitochondrial DNA repair.
Main Results:
- Several therapeutic strategies show promise in preclinical studies, including enhancing mitochondrial function and clearing harmful metabolites.
- Modulating calcium homeostasis and repopulating mitochondrial DNA are also explored as potential treatments.
Conclusions:
- Translating promising laboratory findings into safe and effective clinical therapies for mitochondrial diseases remains a significant challenge.
- Further research and development are crucial for advancing treatment options for patients with these debilitating disorders.
More Related Videos
Related Concept Videos
01:46Electron Transport Chain: Complex I and II
19.8K
The mitochondrial electron transport chain (ETC) is the main energy generation system in the eukaryotic cells. However, mitochondria also produce cytotoxic reactive oxygen species (ROS) due to the large electron flow during oxidative phosphorylation. While Complex I is one of the primary sources of superoxide radicals, ROS production by Complex II is uncommon and may only be observed in cancer cells with mutated complexes.
ROS generation is regulated and maintained at moderate levels necessary...
ROS generation is regulated and maintained at moderate levels necessary...
19.8K
01:48ATP Synthase: Mechanism
19.2K
In animals, the mitochondrial F1F0 ATP synthase is the key protein that synthesizes ATP molecules through a complex catalytic mechanism. While the nuclear genome encodes the majority of ATP synthase subunits, the mitochondrial genome encodes some of the enzyme's most critical components. The formation of this multi-subunit enzyme is a complex multi-step process regulated at the level of transcription, translation, and assembly. Defects in one or more of these steps can result in decreased...
19.2K
01:45Mitochondrial Membranes
18.1K
A single mitochondrion is a bean-shaped organelle enclosed by a double-membrane system. The outer membrane of mitochondria is smooth and contains many porins - the integral membrane transporters. Porins enable free diffusion of ions and small uncharged molecules through the outer mitochondrial membrane but limit the transport of molecules larger than 5000 Daltons. Further, the outer mitochondrial membrane forms a unique structure called membrane contact sites with other subcellular organelles,...
18.1K
01:30The Electron Transport Chain
21.9K
The electron transport chain or oxidative phosphorylation is an exothermic process in which free energy released during electron transfer reactions is coupled to ATP synthesis. This process is a significant source of energy in aerobic cells, and therefore inhibitors of the electron transport chain can be detrimental to the cell's metabolic processes.
Inhibitors of the electron transport chain
Rotenone, a widely used pesticide, prevents electron transfer from Fe-S cluster to ubiquinone or Q...
Inhibitors of the electron transport chain
Rotenone, a widely used pesticide, prevents electron transfer from Fe-S cluster to ubiquinone or Q...
21.9K
02:59Animal Mitochondrial Genetics
10.2K
Among all the organelles in an animal cell, only mitochondria have their own independent genomes. Animal mitochondrial DNA is a double-stranded, closed-circular molecule with around 20,000 base pairs. Mitochondrial DNA is unique in that one of its two strands, the heavy, or H, -strand is guanine rich, whereas the complementary strand is cytosine rich and called the light, or L, -strand. Compared to nuclear DNA, mitochondrial DNA has a very low percentage of non-coding regions and is marked by...
10.2K
01:37Mitochondria
21.7K
Mitochondria are eukaryotic cellular organelles that are known to produce energy through a process called oxidative phosphorylation. Besides their primary function, mitochondria are involved in various cellular processes, including cell growth, differentiation, signaling, metabolism, and senescence. Age-related changes cause a decline in mitochondrial quality and integrity due to increased mitochondrial mutations and oxidative damage. Thus, aging can severely impact mitochondrial functions,...
21.7K