Mitophagy in skeletal muscle: Impact of ageing, exercise and disuse
Bibliographic record
Abstract
Skeletal muscle plays an important role in whole-body health, quality of life and regulation of metabolism. The maintenance of a healthy mitochondrial pool is imperative for the preservation of skeletal muscle quality and is mediated through mitochondrial quality control consisting of mitochondrial turnover mediated by a balance between organelle synthesis and degradation. The selective tagging and removal of dysfunctional mitochondria is essential for maintaining mitochondrial quality control and is termed mitophagy. The mechanisms of the initial stages of mitophagy involving the recognition and tagging of mitochondria within skeletal muscle are well established, but our understanding of the terminal step involving organelle degradation mediated via lysosomes is in its infancy. An assessment of the proteolytic functions to facilitate the removal and breakdown of dysfunctional mitochondria is crucial for our understanding of the mechanisms of mitophagy, which is essential for maintaining skeletal muscle health. The aim of this review is to address the current knowledge surrounding mitophagy and lysosomal function, alongside distinct physiological conditions, such as ageing, exercise and disuse, that have varying effects on mitophagy and lysosomal adaptations within skeletal muscle.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".