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Record W1991041309 · doi:10.1080/080370501750066462

Renal Effects of Angiotensin II Receptor Antagonists

2001· review· en· W1991041309 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueBlood Pressure · 2001
Typereview
Languageen
FieldMedicine
TopicRenin-Angiotensin System Studies
Canadian institutionsUniversity of Calgary
Fundersnot available
KeywordsNatriuresisRenal sodium reabsorptionEndocrinologyInternal medicineAngiotensin IINephronMedicineReabsorptionAngiotensin receptorRenin–angiotensin systemKidneyRenal physiologyAngiotensin II receptor type 1ReceptorExcretionTelmisartanSodiumLosartanChemistryBlood pressure

Abstract

fetched live from OpenAlex

Among the many roles that angiotensin II plays in the kidney, one of the most important is the direct and indirect regulation of sodium excretion. Angiotensin II is produced within the kidney, where concentrations appear to be far in excess of those detected in plasma. High levels of angiotensin II subtype 1 receptors have been detected on the luminal side of the tubular cells in the proximal convoluted tubule, and these have been implicated in the regulation of sodium excretion. This portion of the nephron is responsible for the reabsorption of 65% of filtered sodium. It is, therefore, reasonable to assume that blockade of these receptors, using non-peptide angiotensin II receptor antagonists, will bring about an increase in renal excretion of sodium. There is, however, the possibility that, if the effect is small, downstream sites will have the capacity to reabsorb the increased sodium delivered to the distal nephron. Studies in hypertensive animal models have established that angiotensin II subtype 1 receptor antagonists stimulate natriuresis. However, the studies that have been performed to date in humans are deficient in that they have been conducted in normotensive subjects. Also, subjects have only been followed up for 6 or 8 h and thus these studies did not examine whether the observed short-term natriuresis was followed by an enhanced reabsorption of sodium. Another study, designed to overcome the deficiencies of previous studies, has investigated the natriuretic effect of telmisartan in hypertensive patients.

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.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Review · Consensus signal: Review
Teacher disagreement score0.635
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0050.001
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.024
GPT teacher head0.303
Teacher spread0.279 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it