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Record W2071524497 · doi:10.2174/1389200043335559

Cytochrome P450 Regulation and Drug Biotransformation During Inflammation and Infection

2004· review· en· W2071524497 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

VenueCurrent Drug Metabolism · 2004
Typereview
Languageen
FieldPharmacology, Toxicology and Pharmaceutics
TopicPharmacogenetics and Drug Metabolism
Canadian institutionsDalhousie University
Fundersnot available
KeywordsInflammationCytochrome P450DrugDrug metabolismCytochromeBiologyBiotransformationPharmacologyImmunologyEnzymeBiochemistry

Abstract

fetched live from OpenAlex

The expression of cytochrome P450 and related biotransformation is altered during the operation of host defense mechanisms. This has major implications in inflammation and infection when the capacity of the liver and other organs to handle drugs is severely compromised. In most cases individual cytochrome P450 forms are down regulated at the level of gene transcription with a resulting decrease in the corresponding mRNA, protein and enzyme activity. The loss in drug metabolism is channeled predominantly through the production of cytokines which ultimately modify specific transcription factors. Other proposed mechanisms that apply to specific cytochrome P450s involve post translational steps including enzyme modification and increased degradation. When inflammatory responses are confined to the brain there is a loss of cytochrome P450 not only in the brain but also in peripheral tissues. This involves a yet to be identified mode of signaling between the brain and periphery but it does involve the production of cytokines from a peripheral source. In clinical medicine there are numerous examples of a decreased capacity to handle drugs during infections and disease states that involve an inflammatory component. This often results in altered drug responses and increased toxicities. Inflammation mediated alterations in the metabolism of endogenous compounds can lead to altered physiology. Changes in drug handling capacity during inflammation/infection will continue to be one of the many factors that complicate therapeutics.

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)0.001
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 score0.988
Threshold uncertainty score0.999

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0020.000
Bibliometrics0.0010.001
Science and technology studies0.0010.000
Scholarly communication0.0000.001
Open science0.0000.000
Research integrity0.0010.002
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 head0.091
GPT teacher head0.428
Teacher spread0.337 · 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