What is the CPT2 gene?
Mitochondrial carnitine palmitoyltransferase II enzyme required for long-chain fatty-acid beta-oxidation.
How CPT2 affects metabolism
When CPT2-related function is shifted, the practical effect is interpreted through fatty-acid oxidation, mitochondrial transport, organic-acid handling, or high-demand energy metabolism. This does not mean the pathway is active or impaired right now; it means the gene can help prioritize what to check next.
What happens when CPT2 is altered
Altered CPT2 signal should be treated as a DNA-based tendency, not a diagnosis. 2 claims currently pass the report-use gate. The useful question is whether symptoms, labs, and lifestyle context line up with the pathway signal.
Curated SNP evidence for CPT2
These SNPs come from the approved study-level evidence model. Each claim is scored from curated study rows, then gated before it can influence pathway scoring.
Evidence-backed report connection
CPT2 currently has 2 curated SNPs, 2 claim-level scores, and 2 claims eligible for pathway scoring.
Open the sample reportrs2229291CPT2 F352C1 claims · 2 study rows
enzyme activity · G
CPT II thermolabile activity tendency
rs2229291 G / CPT2 Phe352Cys is associated with lower thermolabile CPT II activity tendency under high-temperature stress.
CPT2 rs2229291 G is staged as a context-dependent thermolabile CPT II variant affecting mitochondrial long-chain fatty-acid oxidation under fever or heat stress.
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rs74315294CPT2 S113L1 claims · 2 study rows
enzyme activity · TT
CPT II activity tendency
rs74315294 TT / CPT2 Ser113Leu is associated with markedly lower CPT II activity tendency.
CPT2 rs74315294 T is staged as a recessive clinical fatty-acid oxidation enzyme variant.
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Common symptoms people report
- low energy under fasting, illness, or exercise
- slow recovery after exertion
- fatigue that feels out of proportion to workload
Biomarkers to validate
CBC, ferritin, and thyroid context
Rules out common non-DNA explanations for low energy.
Glucose and HbA1c
Checks whether fuel handling is adding pressure.
Organic acids or acylcarnitines when available
Adds more specific mitochondrial and fatty-acid oxidation context.
Where DNA analysis helps
DNA helps decide whether CPT2 deserves attention inside the broader Mitochondrial energy pathway. It is most useful when combined with biomarkers instead of used as a standalone answer.
Example interpretation
CPT2 may add context to fatty-acid oxidation, mitochondrial transport, organic-acid handling, or high-demand energy metabolism, especially when its SNP evidence lines up with other genes in the same pathway.
Suggested validation: CBC, ferritin, and thyroid context.
What to do next
- Review the Mitochondrial energy pathway result before interpreting CPT2 on its own.
- Use relevant biomarkers to confirm whether this DNA tendency is visible in current biology.
- Treat supplement or nutrition decisions as follow-up steps only after the pattern fits symptoms or labs.
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