Component
Mouse aralar / Slc25a12
Context-specific entity; species, compartment and exposure are stated on each claim.
6 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
Aralar1 silencing in primary mouse brown adipocytes impaired norepinephrine-induced lipid mobilization and increased small lipid-droplet accumulation.
Experimental context and source evidence
- availability_state
- machinery_impairment Imported condition classification; unverified.
- evidence_access
- Primary full text
- experimental_model
- Mouse primary brown adipocytes; approximately 80% knockdown in the reported experiment.
- limitations
- This does not establish human weight-loss effects or a nutrient-intake threshold.
- nutrient_topic
- L-Aspartate collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · L-Aspartate
- plain_language
- Disrupting the carrier changed fat handling in the cell.
- primary_references
- The malate-aspartate shuttle supports thermogenic lipid mobilization in brown adipocytes. · 2026 · https://pubmed.ncbi.nlm.nih.gov/41704162/ · DOI 10.1111/febs.70461
- trigger_kind
- machinery_impairment Imported condition classification; unverified.
L-Aspartate: redox transfer, nitrogen partitioning and cross-nutrient mechanisms (2026-09-19) · lines 330–336
AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Mouse primary brown adipocytes; approximately 80% knockdown in the reported experiment. · source_derived_draft · unverified_draft
## l-aspartate-brown-aralar-lipids Disrupting the carrier changed fat handling in the cell. Aralar1 silencing in primary mouse brown adipocytes impaired norepinephrine-induced lipid mobilization and increased small lipid-droplet accumulation. Model: Mouse primary brown adipocytes; approximately 80% knockdown in the reported experiment. Limitations: This does not establish human weight-loss effects or a nutrient-intake threshold. Evidence access: Primary full text The malate-aspartate shuttle supports thermogenic lipid mobilization in brown adipocytes. · 2026 · https://pubmed.ncbi.nlm.nih.gov/41704162/ · DOI 10.1111/febs.70461
Complete structured claim and evidenceExogenous aralar expression reversed the increased NADH/NAD+ ratio in hepatocytes from citrin-null mice.
Experimental context and source evidence
- availability_state
- machinery_impairment Imported condition classification; unverified.
- evidence_access
- Primary full text
- experimental_model
- Mouse Slc25a13-null hepatocytes with exogenous aralar expression.
- limitations
- Gene-expression rescue is not proof that oral aspartate or calcium corrects human citrin deficiency.
- nutrient_topic
- L-Aspartate collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · L-Aspartate
- plain_language
- A related carrier can substitute for part of the missing transport function in this model.
- primary_references
- Exogenous aralar/slc25a12 can replace citrin/slc25a13 as malate aspartate shuttle component in liver. · 2023 · https://pubmed.ncbi.nlm.nih.gov/36967723/ · DOI 10.1016/j.ymgmr.2023.100967
- trigger_kind
- machinery_impairment Imported condition classification; unverified.
L-Aspartate: redox transfer, nitrogen partitioning and cross-nutrient mechanisms (2026-09-19) · lines 122–128
AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Mouse Slc25a13-null hepatocytes with exogenous aralar expression. · source_derived_draft · unverified_draft
## l-aspartate-citrin-aralar-rescue A related carrier can substitute for part of the missing transport function in this model. Exogenous aralar expression reversed the increased NADH/NAD+ ratio in hepatocytes from citrin-null mice. Model: Mouse Slc25a13-null hepatocytes with exogenous aralar expression. Limitations: Gene-expression rescue is not proof that oral aspartate or calcium corrects human citrin deficiency. Evidence access: Primary full text Exogenous aralar/slc25a12 can replace citrin/slc25a13 as malate aspartate shuttle component in liver. · 2023 · https://pubmed.ncbi.nlm.nih.gov/36967723/ · DOI 10.1016/j.ymgmr.2023.100967
Complete structured claim and evidenceLiver-specific transgenic aralar expression increased residual shuttle activity in citrin-null mouse mitochondria by approximately 4–6 nmol per mg protein per minute.
Experimental context and source evidence
- availability_state
- machinery_impairment Imported condition classification; unverified.
- evidence_access
- Primary full text
- experimental_model
- Isolated liver mitochondria from genetically modified mice.
- limitations
- Small ex vivo flux increment; not human therapeutic efficacy.
- nutrient_topic
- L-Aspartate collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · L-Aspartate
- plain_language
- A measurable transport rescue did not amount to proof of complete disease correction.
- primary_references
- Exogenous aralar/slc25a12 can replace citrin/slc25a13 as malate aspartate shuttle component in liver. · 2023 · https://pubmed.ncbi.nlm.nih.gov/36967723/ · DOI 10.1016/j.ymgmr.2023.100967
- trigger_kind
- machinery_impairment Imported condition classification; unverified.
L-Aspartate: redox transfer, nitrogen partitioning and cross-nutrient mechanisms (2026-09-19) · lines 130–136
AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Isolated liver mitochondria from genetically modified mice. · source_derived_draft · unverified_draft
## l-aspartate-citrin-shuttle-rescue A measurable transport rescue did not amount to proof of complete disease correction. Liver-specific transgenic aralar expression increased residual shuttle activity in citrin-null mouse mitochondria by approximately 4–6 nmol per mg protein per minute. Model: Isolated liver mitochondria from genetically modified mice. Limitations: Small ex vivo flux increment; not human therapeutic efficacy. Evidence access: Primary full text Exogenous aralar/slc25a12 can replace citrin/slc25a13 as malate aspartate shuttle component in liver. · 2023 · https://pubmed.ncbi.nlm.nih.gov/36967723/ · DOI 10.1016/j.ymgmr.2023.100967
Complete structured claim and evidence
Where it participates (unsigned role)
Silencing either carrier had no apparent effect on the measured respiratory rates despite changes in lipid handling.
Experimental context and source evidence
- availability_state
- machinery_impairment Imported condition classification; unverified.
- evidence_access
- Primary full text
- experimental_model
- Same mouse primary-cell experiments; respiration measurements.
- limitations
- The null result is limited to the tested conditions and does not establish that the shuttle never contributes to respiration.
- nutrient_topic
- L-Aspartate collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · L-Aspartate
- plain_language
- A lipid-storage phenotype did not imply that mitochondrial oxygen consumption had collapsed.
- primary_references
- The malate-aspartate shuttle supports thermogenic lipid mobilization in brown adipocytes. · 2026 · https://pubmed.ncbi.nlm.nih.gov/41704162/ · DOI 10.1111/febs.70461
- trigger_kind
- machinery_impairment Imported condition classification; unverified.
L-Aspartate: redox transfer, nitrogen partitioning and cross-nutrient mechanisms (2026-09-19) · lines 346–352
AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Same mouse primary-cell experiments; respiration measurements. · source_derived_draft · unverified_draft
## l-aspartate-brown-respiration-limit A lipid-storage phenotype did not imply that mitochondrial oxygen consumption had collapsed. Silencing either carrier had no apparent effect on the measured respiratory rates despite changes in lipid handling. Model: Same mouse primary-cell experiments; respiration measurements. Limitations: The null result is limited to the tested conditions and does not establish that the shuttle never contributes to respiration. Evidence access: Primary full text The malate-aspartate shuttle supports thermogenic lipid mobilization in brown adipocytes. · 2026 · https://pubmed.ncbi.nlm.nih.gov/41704162/ · DOI 10.1111/febs.70461
Complete structured claim and evidenceIsolated mouse brown-fat mitochondria reconstituted with cytosolic shuttle enzymes oxidized extramitochondrial NADH in a glutamate-dependent manner.
Experimental context and source evidence
- evidence_access
- Primary full text
- experimental_model
- Mouse C57BL/6J brown-fat mitochondria and reconstituted enzyme system.
- limitations
- An isolated-organelle assay does not prove that oral aspartate increases thermogenesis.
- nutrient_topic
- L-Aspartate collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · L-Aspartate
- plain_language
- The transport cycle linked a cytosolic redox pool to mitochondrial machinery.
- primary_references
- The malate-aspartate shuttle supports thermogenic lipid mobilization in brown adipocytes. · 2026 · https://pubmed.ncbi.nlm.nih.gov/41704162/ · DOI 10.1111/febs.70461
L-Aspartate: redox transfer, nitrogen partitioning and cross-nutrient mechanisms (2026-09-19) · lines 322–328
AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Mouse C57BL/6J brown-fat mitochondria and reconstituted enzyme system. · source_derived_draft · unverified_draft
## l-aspartate-brown-shuttle-redox The transport cycle linked a cytosolic redox pool to mitochondrial machinery. Isolated mouse brown-fat mitochondria reconstituted with cytosolic shuttle enzymes oxidized extramitochondrial NADH in a glutamate-dependent manner. Model: Mouse C57BL/6J brown-fat mitochondria and reconstituted enzyme system. Limitations: An isolated-organelle assay does not prove that oral aspartate increases thermogenesis. Evidence access: Primary full text The malate-aspartate shuttle supports thermogenic lipid mobilization in brown adipocytes. · 2026 · https://pubmed.ncbi.nlm.nih.gov/41704162/ · DOI 10.1111/febs.70461
Complete structured claim and evidenceAbsolute proteomics found citrin/aralar molar ratios of about 7.8 in mouse liver and 397 in human liver, indicating much less endogenous aralar relative to citrin in humans.
Experimental context and source evidence
- evidence_access
- Primary full text
- experimental_model
- Mouse and human liver quantitative proteomics.
- limitations
- Sampled expression ratios are not universal constants or proof of a clinical rescue strategy.
- nutrient_topic
- L-Aspartate collection; species, compartment, exposure, co-substrates and manipulation remain explicit. · L-Aspartate
- plain_language
- A mouse may compensate for a missing carrier more readily than a human.
- primary_references
- Exogenous aralar/slc25a12 can replace citrin/slc25a13 as malate aspartate shuttle component in liver. · 2023 · https://pubmed.ncbi.nlm.nih.gov/36967723/ · DOI 10.1016/j.ymgmr.2023.100967
L-Aspartate: redox transfer, nitrogen partitioning and cross-nutrient mechanisms (2026-09-19) · lines 138–144
AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Mouse and human liver quantitative proteomics. · source_derived_draft · unverified_draft
## l-aspartate-carrier-species-expression A mouse may compensate for a missing carrier more readily than a human. Absolute proteomics found citrin/aralar molar ratios of about 7.8 in mouse liver and 397 in human liver, indicating much less endogenous aralar relative to citrin in humans. Model: Mouse and human liver quantitative proteomics. Limitations: Sampled expression ratios are not universal constants or proof of a clinical rescue strategy. Evidence access: Primary full text Exogenous aralar/slc25a12 can replace citrin/slc25a13 as malate aspartate shuttle component in liver. · 2023 · https://pubmed.ncbi.nlm.nih.gov/36967723/ · DOI 10.1016/j.ymgmr.2023.100967
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.