Effect of Lithium Treatment on Rat Renal Tubule Function
Bibliographic record
Abstract
Micropuncture and clearance studies were performed on normal untreated and polyuric lithium chloride treated rats (10–12 days). A persistent hypernatremic state quickly developed in the polyuric lithium treated rats during hydropenia resulting from an increased urinary loss of water over sodium chloride, as the fractional excretion of sodium remained at control levels. Superficial proximal tubule and loop of Henle fluid reabsorption was depressed by 8 and 17%, respectively, in lithium-treated rats during this period. By contrast, water reabsorption in the distal tubule and collecting rystem was significantly increased in the lithium animals, being 27% of the filtered load compared with 20% in normal sats. These results suggest that the urinary-concentrating defect induced by lithium treatment is due primarily to a depression of proximal tubule and possibly loop of Henle function, and that water reabsorption within the distal nephron may in fact be augmented; thus it is unlikely that the action of antidiuretic hormone is significantly impaired. Marked phosphaturia and hypocalciuria were also noted in the lithium-treated rats.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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) | 0.000 | 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) | 0.001 | 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 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".