The Role of Apoptotic Pathways in Alzheimers Disease Neurodegeneration and Cell Death
Bibliographic record
Abstract
Neuronal loss is associated with Alzheimer's disease (AD). However, it not clear what type of mechanisms underlie this neuronal loss and if neuronal loss is directly responsible for the progressive dementia of AD. This review summarizes the recent evidence for neuronal loss in AD relative to the level of cognitive impairment. It further describes the current evidence for an apoptotic mechanism in AD. Lastly, a summary of the evidence for synaptic loss being responsible for dementia rather than neuronal loss is presented. A novel hypothesis emerges from this data to explain all aspects of AD pathophysiology. This all inclusive hypothesis called the attrition hypothesis states that activation of the effector caspase-6 in AD due to one or a variety of insults is responsible for the breakdown of the cytoskeletal structure of neurites and damages proper trafficking of proteins and organelles thus resulting in the observed clinical and pathological features of AD.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.002 | 0.002 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.003 |
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 source (direct Gemma or distilled Codex), 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".