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Tag: mitochondrial respiratory chain

Primary Mitochondrial Disorders Overview

Primary mitochondrial disorders, as detailed in this GeneReview, encompass genetic conditions affecting the mitochondrial respiratory chain due to mtDNA and nDNA mutations. These mutations disrupt aerobic metabolism, resulting in diverse clinical symptoms like myopathy, neuropathy, cardiomyopathy, and diabetes. Inheritance patterns and heteroplasmy thresholds are critical for understanding symptom presentation. The

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June 26, 2025 No Comments

The Biochemical Assessment of Mitochondrial Respiratory Chain Disorders

This systematic review evaluates established and emerging biochemical markers for diagnosing mitochondrial respiratory chain (MRC) disorders, highlighting the potential of fibroblast growth factor-21 (FGF-21) and oxidative stress indicators. Traditional markers such as lactate and pyruvate remain important, but newer biomarkers may improve diagnostic accuracy. Challenges include a lack of standardized

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June 26, 2025 No Comments

Potential Biomarkers of Mitochondrial Dysfunction Associated with COVID-19 Infection

This systematic review explores biomarkers of mitochondrial dysfunction related to COVID-19 and long COVID. Established markers like lactate and pyruvate, along with newer indicators such as FGF-21 and oxidative stress measures (e.g., coenzyme Q10), are analyzed. The authors propose using a multiplexed metabolic profiling approach combined with spectrophotometric enzyme assays

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June 26, 2025 No Comments

Assessment of mitochondrial respiratory chain enzymes in cells and tissues

This review outlines standardized methodologies for assessing mitochondrial respiratory chain enzyme activity, highlighting their diagnostic utility for mitochondrial diseases. By offering consistent protocols and detailing enzymatic assays, the article supports their integration into both clinical and research settings. This enables precise identification of oxidative phosphorylation deficits, improving diagnostic accuracy and

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June 26, 2025 No Comments