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Regulation of the PBMCs gene expression profile with the Western dietary pattern in healthy men and women

2012· article· en· W3175823194 on OpenAlexaff
Annie Bouchard‐Mercier, Ann-Marie Paradis, Iwona Rudkowska, Simone Lemieux, Patrick Couture, Marie‐Claude Vohl

Bibliographic record

VenueThe FASEB Journal · 2012
Typearticle
Languageen
FieldBiochemistry, Genetics and Molecular Biology
TopicNutrition, Genetics, and Disease
Canadian institutionsUniversité Laval
Fundersnot available
KeywordsPeripheral blood mononuclear cellGene expressionIngenuityMicroarrayFold changeGeneMicroarray analysis techniquesMedicineDownregulation and upregulationPhysiologyBiologyInternal medicineImmunologyGenetics

Abstract

fetched live from OpenAlex

Diet regulates gene expression. The objective is to examine gene expression in relation with the Western dietary pattern. Methods 30 Caucasians (13 males; 17 females) were recruited. Dietary patterns were derived from a food frequency questionnaire using factor analysis. RNA was extracted from peripheral blood mononuclear cells (PBMCs), when subjects were in the fasting state. Expression levels of 47 231 mRNA transcripts (> 31000 genes) were assessed using the Illumina Human‐6 v3 Expression BeadChips®. Microarray data was processed with Flexarray software and pathway analysis was assessed using Ingenuity Pathway analysis (IPA). Results The Western pattern was characterised by high intakes of refined grain products and meats. In subjects with high versus low scores for the Western pattern, 193 transcripts were upregulated and 197 were downregulated. IPA reveals that networks related to inflammatory response, immunological diseases and cancer were different in subjects with high versus low scores for the Western pattern. Conclusion Studying gene expression profiles according to dietary patterns may help to understand the overall effect of nutrition in chronic diseases development. CIHR (MOP229488)

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 imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.002
Threshold uncertainty score0.005

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0020.000

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 head0.010
GPT teacher head0.233
Teacher spread0.223 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

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".

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Citations0
Published2012
Admission routes1
Has abstractyes

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