← Back to Knowledge Base

Primary topic: APOA5 triglyceride gene

APOA5 Gene and Metabolism: What It Means for Your Body

APOA5 matters when triglycerides look more central than cholesterol alone in the lipid picture.

What is the APOA5 gene?

APOA5 influences triglyceride-rich lipoprotein metabolism, making it a practical gene for energy-overload and lipid-clearance questions.

How APOA5 affects metabolism

If APOA5-related regulation is less favorable, triglycerides can become a more important follow-up marker than generic lipid summaries suggest.

What happens when APOA5 is altered

Altered APOA5 signaling does not determine outcome on its own, but it does strengthen the case for checking triglycerides directly.

Curated SNP evidence for APOA5

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.

Lipids

Evidence-backed report connection

APOA5 currently has 4 curated SNPs, 8 claim-level scores, and 2 claims eligible for pathway scoring.

Open the sample report
rs2075291APOA5 c.553G>T / Gly185Cys1 claims · 2 study rows

biomarker tendency · T

triglyceride-rich lipoprotein tendency

Strong

rs2075291 T / APOA5 p.Gly185Cys is associated with higher fasting triglyceride and hypertriglyceridemia tendency, especially in Asian-ancestry cohorts.

APOA5 rs2075291 T is staged as a triglyceride-raising APOA5 coding allele.

Likely effectHigher biomarker tendency
Signal sizeSmall signal
Evidence supportStrong support
Report useIncluded in pathway scoring
Show study evidence
PMCID PMC2444008biomarker association · directThe checked Asian-American APOA5 study reports rs2075291 c.553G>T / p.Gly185Cys T allele enrichment in high-triglyceride subjects, higher hypertriglyceridemia odds, doubled triglycerides among heterozygotes in the high-TG group, and severe hypertriglyceridemia in TT homozygotes.PMCID PMC5718602biomarker association · directThe checked Korean cohort reports APOA5 c.553G>T / rs2075291 T allele frequency was higher in hypertriglyceridemic participants than controls and T allele presence was associated with higher hypertriglyceridemia odds after covariate adjustment.
rs3135506S19W3 claims · 9 study rows

biomarker tendency · CG

APOA5 biomarker tendency

Not used for pathway scoring

rs3135506 CG is associated with increased APOA5 biomarker tendency.

APOA5 rs3135506 G-containing genotypes are scored as a higher triglyceride-related biomarker tendency, strongest for GG.

Likely effectHigher biomarker tendency
Signal sizeSmall signal
Evidence supportModerate support
Report useEvidence only, not scored
Show study evidence
PubMed 16682041biomarker association · loose proxyMartinelli et al. reported that APOA5 19W allele carriage was an independent predictor of higher triglycerides and apolipoprotein C-III in an angiographic cohort, while not showing a clear coronary artery disease difference for this APOA5 variant.PubMed 18468520biomarker association · close proxyCharriere et al. studied APOA5 S19W in type 2 diabetes and found the 19W allele more frequent among patients with hyperchylomicronemia. In their broader normotriglyceridemic plus moderately hypertriglyceridemic groups, S19W was associated with lower HDL cholesterol.PMC3972990biomarker association · close proxyA Moroccan case-control study described rs3135506 as APOA5 56C>G, also called S19W, and reported that the 56C>G polymorphism was significantly associated with triglyceride levels. The same paper notes that APOA5 variants have been repeatedly linked to triglyceride metabolism.

biomarker tendency · GG

APOA5 biomarker tendency

Not used for pathway scoring

rs3135506 GG is associated with increased APOA5 biomarker tendency.

APOA5 rs3135506 G-containing genotypes are scored as a higher triglyceride-related biomarker tendency, strongest for GG.

Likely effectHigher biomarker tendency
Signal sizeSmall signal
Evidence supportModerate support
Report useEvidence only, not scored
Show study evidence
PubMed 16682041biomarker association · loose proxyMartinelli et al. reported that APOA5 19W allele carriage was an independent predictor of higher triglycerides and apolipoprotein C-III in an angiographic cohort, while not showing a clear coronary artery disease difference for this APOA5 variant.PubMed 18468520biomarker association · close proxyCharriere et al. studied APOA5 S19W in type 2 diabetes and found the 19W allele more frequent among patients with hyperchylomicronemia. In their broader normotriglyceridemic plus moderately hypertriglyceridemic groups, S19W was associated with lower HDL cholesterol.PMC3972990biomarker association · close proxyA Moroccan case-control study described rs3135506 as APOA5 56C>G, also called S19W, and reported that the 56C>G polymorphism was significantly associated with triglyceride levels. The same paper notes that APOA5 variants have been repeatedly linked to triglyceride metabolism.

biomarker tendency · CC

APOA5 biomarker tendency

Not used for pathway scoring

rs3135506 CC has no scored directional claim for APOA5 biomarker tendency.

APOA5 rs3135506 G-containing genotypes are scored as a higher triglyceride-related biomarker tendency, strongest for GG.

Likely effectNo clear biomarker tendency
Signal sizeMinimal signal
Evidence supportVery limited support
Report useEvidence only, not scored
Show study evidence
PubMed 16682041biomarker association · loose proxyMartinelli et al. reported that APOA5 19W allele carriage was an independent predictor of higher triglycerides and apolipoprotein C-III in an angiographic cohort, while not showing a clear coronary artery disease difference for this APOA5 variant.PubMed 18468520biomarker association · close proxyCharriere et al. studied APOA5 S19W in type 2 diabetes and found the 19W allele more frequent among patients with hyperchylomicronemia. In their broader normotriglyceridemic plus moderately hypertriglyceridemic groups, S19W was associated with lower HDL cholesterol.PMC3972990biomarker association · close proxyA Moroccan case-control study described rs3135506 as APOA5 56C>G, also called S19W, and reported that the 56C>G polymorphism was significantly associated with triglyceride levels. The same paper notes that APOA5 variants have been repeatedly linked to triglyceride metabolism.
rs662799APOA5 promoter signal3 claims · 9 study rows

expression · CC

APOA5 gene expression

Not used for pathway scoring

rs662799 CC is associated with reduced APOA5 gene expression.

APOA5 rs662799 C-containing genotypes are scored as a tendency toward lower APOA5-related triglyceride-clearing support, strongest for CC.

Likely effectNo clear expression signal
Signal sizeMinimal signal
Evidence supportVery limited support
Report useEvidence only, not scored
Show study evidence
PMC8378982biomarker association · loose proxyThe study associates the rs662799 C allele with higher triglycerides and diet-response measures and discusses lower APOA5 levels as a possible mechanism. It does not directly measure APOA5 gene expression for this genotype, so it is neutral for the exact expression claim.PubMed 18468520biomarker association · loose proxyCharriere et al. found the APOA5 -1131C allele enriched in hypertriglyceridemia and associated with higher triglycerides and lower HDL cholesterol. The source supports lipid-biomarker relevance, not a direct APOA5 expression direction.PubMed 27171122biomarker association · loose proxyThe Mexican children study reports association between APOA5 rs662799 and triglyceride levels. It does not directly measure APOA5 expression, so it is not scored directionally for the expression claim.

expression · CT

APOA5 gene expression

Not used for pathway scoring

rs662799 CT is associated with reduced APOA5 gene expression.

APOA5 rs662799 C-containing genotypes are scored as a tendency toward lower APOA5-related triglyceride-clearing support, strongest for CC.

Likely effectNo clear expression signal
Signal sizeMinimal signal
Evidence supportVery limited support
Report useEvidence only, not scored
Show study evidence
PMC8378982biomarker association · loose proxyThe study associates the rs662799 C allele with higher triglycerides and diet-response measures and discusses lower APOA5 levels as a possible mechanism. It does not directly measure APOA5 gene expression for this genotype, so it is neutral for the exact expression claim.PubMed 18468520biomarker association · loose proxyCharriere et al. found the APOA5 -1131C allele enriched in hypertriglyceridemia and associated with higher triglycerides and lower HDL cholesterol. The source supports lipid-biomarker relevance, not a direct APOA5 expression direction.PubMed 27171122biomarker association · loose proxyThe Mexican children study reports association between APOA5 rs662799 and triglyceride levels. It does not directly measure APOA5 expression, so it is not scored directionally for the expression claim.

expression · TT

APOA5 gene expression

Not used for pathway scoring

rs662799 TT has no scored directional claim for APOA5 gene expression.

APOA5 rs662799 C-containing genotypes are scored as a tendency toward lower APOA5-related triglyceride-clearing support, strongest for CC.

Likely effectNo clear expression signal
Signal sizeMinimal signal
Evidence supportVery limited support
Report useEvidence only, not scored
Show study evidence
PMC8378982biomarker association · loose proxyThe study associates the rs662799 C allele with higher triglycerides and diet-response measures and discusses lower APOA5 levels as a possible mechanism. It does not directly measure APOA5 gene expression for this genotype, so it is neutral for the exact expression claim.PubMed 18468520biomarker association · loose proxyCharriere et al. found the APOA5 -1131C allele enriched in hypertriglyceridemia and associated with higher triglycerides and lower HDL cholesterol. The source supports lipid-biomarker relevance, not a direct APOA5 expression direction.PubMed 27171122biomarker association · loose proxyThe Mexican children study reports association between APOA5 rs662799 and triglyceride levels. It does not directly measure APOA5 expression, so it is not scored directionally for the expression claim.
rs964184APOA5 / ZNF259 triglyceride-rich lipoprotein signal1 claims · 2 study rows

biomarker tendency · G

triglyceride-rich lipoprotein biomarker tendency

Strong

rs964184 G at the APOA5/A1-C3-A4-A5 region is associated with higher triglyceride-rich lipoprotein biomarker tendency.

rs964184 G is staged as a lipid biomarker allele for higher fasting and related triglyceride-rich lipoprotein measures.

Likely effectHigher biomarker tendency
Signal sizeSmall signal
Evidence supportStrong support
Report useIncluded in pathway scoring
Show study evidence
PMCID PMC4076225biomarker association · directThe checked vascular-disease cohort source reports genotype-graded higher plasma triglycerides for rs964184 G carriers, with CC, CG, and GG mean triglycerides of 1.6, 1.9, and 2.2 mmol/L, respectively, and lower HDL-C in G carriers.PMCID PMC4263376biomarker association · close proxyThe checked metabolomics source reports rs964184 in the ZNF259/APOA5 region associated with higher monoacylglycerol 18:2, supporting the same triglyceride-rich lipid handling direction through a close lipid-metabolite proxy.

Common symptoms people report

  • triglyceride-heavy lipid patterns
  • weight or carb-response issues with lipid overlap
  • family context around triglycerides

Biomarkers to validate

Triglycerides

Primary follow-up marker.

ApoB

Adds particle context.

Fasting insulin

Useful when glucose and lipids overlap.

Where DNA analysis helps

DNA can show when triglyceride regulation belongs near the top of the lipid follow-up list.

Example Insight

Your triglyceride-regulation pathway may deserve more attention than total cholesterol would suggest.

Suggested validation: triglycerides plus fasting insulin.

What to do next

  • Use triglycerides as the first follow-up marker.
  • Compare APOA5 with LPL and GCKR when triglyceride patterns overlap with glucose handling.
  • Use the marker pattern before assuming the pathway matters.

Upload your DNA file and receive a structured metabolic pathway analysis with prioritized insights and suggested validation markers.

Get My DNA Report

Related pages

LPL

LPL triglyceride clearance gene

GCKR

GCKR glucose liver gene

Triglycerides

triglycerides and metabolic health

Fasting insulin

fasting insulin and metabolism

Glucose regulation pathway

glucose regulation pathway

Lipid transport pathway

lipid transport pathway

Genetic test for weight loss Europe

genetic test for weight loss Europe

Related symptom angle

Why do I gain weight easily genetics

Browse the knowledge base

See the full index of gene guides, biomarker guides, pathway guides, symptoms, buyer pages, and common questions.