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Reference

Evidence

CompoundsSubstances with curated findings
OutcomesMeasured endpoints
ProteinsTransporters and enzymes
InteractionsPairs that share biology
PapersEvery paper a finding cites
ArticlesReadings of the evidence

Chemistry

ReactionsRhea and Human-GEM, by subsystem
ReachWhat a compound can become

Reference layer

PathwaysReactions grouped under one name
ProcessesWhat proteins are annotated as doing
AnatomyTissues, by what is expressed there
Cell typesCells, by what is expressed there
OrganismsSpecies a compound is prepared from
MaterialsSubstances that are not one molecule
AssessmentsRegulatory determinations, transcribed
DiseasesFeatures, genes, and where each sits

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Reference

Evidence

Compounds
Outcomes
Proteins
Interactions
Papers
Articles

Chemistry

Reactions
Reach

Reference layer

Pathways
Processes
Anatomy
Cell types
Organisms
Materials
Assessments
Diseases

Atlas Graph Twin Access

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Catalyst

Computational infrastructure for human biology, built on a provenance-aware knowledge graph. Findings retain their sources; research and simulation are the next layers.

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Cell types
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Reactions
Reach

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A reference for what the literature reports. Not medical advice.

Disease

psoriatic arthritis

MONDO:0011849Mondo

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Findings

No curated finding names psoriatic arthritis yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.

Definition

Joint inflammation associated with psoriasis.

Definition from the Mondo Disease Ontology (MONDO:0011849), read 2026-09-29. CC BY 4.0.

Where it sits

A kind of: rheumatoid arthritis
syndromic disease
Narrower terms (1): psoriasis-related juvenile idiopathic arthritis

Other names

2 names

Resolves to: psoriatic arthritis

Also called: arthritis psoriaticaarthropathic psoriasis