Component
ASL-deficient state, human or mouse model specified
ASL-deficient state, human or mouse model specified. Species, exposure and limitations are retained in each linked claim.
2 recorded relationships. Experimental role, claim status and evidence remain attached to each record.
How nutrients influence it
Every nutrient with a recorded effect on this component, credited to the nutrient that acted rather than the chapter that recorded it. Open a nutrient to see the findings and the conditions they were measured under.
Other things that act on it
Enzymes, hormones, genes, and other components with a recorded effect. These are not nutrients, so they do not count toward the arrows above. Each finding names the chapter that recorded it.
How nutrients reach it in more than one step
Chains of two or more recorded steps that end here, grouped by the nutrient they start from. Each step is a separate finding, so a chain is a route a mechanism could take, not proof that it does.
Tracing routes…
What it does
Every recorded relationship this component is part of, grouped by its role. Plain wording comes first; the technical statement follows.
What it acts on
ASL loss impaired use of extracellular arginine for NO production as well as reducing endogenous arginine synthesis.
Experimental context and source evidence
- availability_state
- machinery_impairment Imported condition classification; unverified.
- evidence_span
- {"source_cache": "artifacts/citrulline-research/22081021.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "2f9f02564dadd246299fe5eded3ddb08e3c68f08d27cae8b16f2506fe9eaf68b", "start_char": 0, "end_char": 1137, "text_sha256": "2f9f02564dadd246299fe5eded3ddb08e3c68f08d27cae8b16f2506fe9eaf68b"}
- experimental_model
- Patient vascular testing, hypomorphic mice and molecular experiments
- exposure
- ASL loss; extracellular arginine; nitrite or NO donor interventions
- limitations
- Rare genetic deficiency; molecular scaffolding is distinct from supplying enough circulating arginine.
- nutrient_topic
- Citrulline research collection; topical membership is not evidence of a direct dietary effect. · L-Citrulline
- organism
- Human ASL deficiency and Asl-deficient mice, model specified
- plain_language
- Providing arginine did not bypass every function of ASL.
- primary_references
- [citrulline-p22081021] Requirement of argininosuccinate lyase for systemic nitric oxide production. (2011). https://pubmed.ncbi.nlm.nih.gov/22081021/ DOI: 10.1038/nm.2544
- tissue_or_cell_type
- Arginine synthesis, NOS-associated protein complex and vasculature
- trigger_kind
- machinery_impairment Imported condition classification; unverified.
Citrulline: arginine recycling, nitrogen disposal and nutrient connections (2026-09-17) · lines 632–643
AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Patient vascular testing, hypomorphic mice and molecular experiments · source_derived_draft · unverified_draft
### citrulline-asl-external-arginine ASL loss impaired use of extracellular arginine for NO production as well as reducing endogenous arginine synthesis. Condition category: machinery_impairment nutrient_topic: Citrulline research collection; topical membership is not evidence of a direct dietary effect. plain_language: Providing arginine did not bypass every function of ASL. organism: Human ASL deficiency and Asl-deficient mice, model specified tissue_or_cell_type: Arginine synthesis, NOS-associated protein complex and vasculature experimental_model: Patient vascular testing, hypomorphic mice and molecular experiments limitations: Rare genetic deficiency; molecular scaffolding is distinct from supplying enough circulating arginine. exposure: ASL loss; extracellular arginine; nitrite or NO donor interventions evidence_span: {"source_cache": "artifacts/citrulline-research/22081021.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "2f9f02564dadd246299fe5eded3ddb08e3c68f08d27cae8b16f2506fe9eaf68b", "start_char": 0, "end_char": 1137, "text_sha256": "2f9f02564dadd246299fe5eded3ddb08e3c68f08d27cae8b16f2506fe9eaf68b"} [citrulline-p22081021] Requirement of argininosuccinate lyase for systemic nitric oxide production. (2011). https://pubmed.ncbi.nlm.nih.gov/22081021/ DOI: 10.1038/nm.2544
Complete structured claim and evidenceASL deficiency reduced nitric-oxide synthesis in the studied humans and mice.
Experimental context and source evidence
- availability_state
- machinery_impairment Imported condition classification; unverified.
- evidence_span
- {"source_cache": "artifacts/citrulline-research/22081021.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "2f9f02564dadd246299fe5eded3ddb08e3c68f08d27cae8b16f2506fe9eaf68b", "start_char": 0, "end_char": 1137, "text_sha256": "2f9f02564dadd246299fe5eded3ddb08e3c68f08d27cae8b16f2506fe9eaf68b"}
- experimental_model
- Patient vascular testing, hypomorphic mice and molecular experiments
- exposure
- ASL loss; extracellular arginine; nitrite or NO donor interventions
- limitations
- Rare genetic deficiency; molecular scaffolding is distinct from supplying enough circulating arginine.
- nutrient_topic
- Citrulline research collection; topical membership is not evidence of a direct dietary effect. · L-Citrulline
- organism
- Human ASL deficiency and Asl-deficient mice, model specified
- plain_language
- An intact downstream enzyme matters to the NO pathway.
- primary_references
- [citrulline-p22081021] Requirement of argininosuccinate lyase for systemic nitric oxide production. (2011). https://pubmed.ncbi.nlm.nih.gov/22081021/ DOI: 10.1038/nm.2544
- tissue_or_cell_type
- Arginine synthesis, NOS-associated protein complex and vasculature
- trigger_kind
- machinery_impairment Imported condition classification; unverified.
Citrulline: arginine recycling, nitrogen disposal and nutrient connections (2026-09-17) · lines 619–630
AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Patient vascular testing, hypomorphic mice and molecular experiments · source_derived_draft · unverified_draft
### citrulline-asl-no-low ASL deficiency reduced nitric-oxide synthesis in the studied humans and mice. Condition category: machinery_impairment nutrient_topic: Citrulline research collection; topical membership is not evidence of a direct dietary effect. plain_language: An intact downstream enzyme matters to the NO pathway. organism: Human ASL deficiency and Asl-deficient mice, model specified tissue_or_cell_type: Arginine synthesis, NOS-associated protein complex and vasculature experimental_model: Patient vascular testing, hypomorphic mice and molecular experiments limitations: Rare genetic deficiency; molecular scaffolding is distinct from supplying enough circulating arginine. exposure: ASL loss; extracellular arginine; nitrite or NO donor interventions evidence_span: {"source_cache": "artifacts/citrulline-research/22081021.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "2f9f02564dadd246299fe5eded3ddb08e3c68f08d27cae8b16f2506fe9eaf68b", "start_char": 0, "end_char": 1137, "text_sha256": "2f9f02564dadd246299fe5eded3ddb08e3c68f08d27cae8b16f2506fe9eaf68b"} [citrulline-p22081021] Requirement of argininosuccinate lyase for systemic nitric oxide production. (2011). https://pubmed.ncbi.nlm.nih.gov/22081021/ DOI: 10.1038/nm.2544
Complete structured claim and evidence
The events it takes part in
A mechanism often involves more than two components. These are the full events, with every participant and its role.
Situations it appears in
Low-supply and faulty-machinery situations recorded in the chapters where this component plays a part.
In the sources
Preserved passages that mention this component, quoted exactly. Open one to read it in context.
Open hypotheses
Proposed ideas that involve this component. They are labeled as hypotheses and do not change any recorded statement.
This is a research prototype built from draft material. It is not medical advice, and its statements still await verification against the original studies.