Bibliographic record
Abstract
PURPOSE OF REVIEW: The glomerular visceral epithelial cell plays a central role in ultrafiltration of the blood and in a wide variety of inherited and acquired diseases of the kidney. The discovery of nephrin and other slit diaphragm proteins has led to an explosion of knowledge in the biology of this cell type. The most significant recent discoveries are reviewed in this paper. RECENT FINDINGS: Together with the glomerular endothelial cells and intervening glomerular basement membrane, the podocyte constitutes a major portion of the glomerular filtration barrier that separates blood from the urinary space. A number of proteins have been identified that are localized to the slit diaphragms that separate podocyte foot processes. Although it has been suggested that the slit diaphragm represents the ultimate filtration barrier, additional roles for this structure as a signaling centre and in endocytosis have been identified. Mutations in genes that reside in the slit pore or interact with the actin cytoskeleton have been linked to a variety of inherited diseases of the podocyte. Additional mutations in these genes have been linked to sporadic forms of nephrotic syndrome and proposed as modifiers of renal risk. The generation of podocyte-specific transgenic models and genomic tools for the murine podocyte provide important resources for the glomerular biologist. SUMMARY: Over the past year, studies using human genetics, conditional gene targeting and cell biological approaches have led to a rapid increase in our understanding of podocyte and glomerular biology, which should lead to the development of novel therapies for individuals with glomerular disease.
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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 | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.001 | 0.002 |
| Scholarly communication | 0.002 | 0.003 |
| Open science | 0.001 | 0.002 |
| Research integrity | 0.003 | 0.005 |
| Insufficient payload (model declined to judge) | 0.011 | 0.004 |
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".