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Primary topic: HMGCR gene cholesterol and blood-fat handling

HMGCR Gene and Metabolism: What It Can Mean in a Pathway Report

HMGCR is tracked because it connects to lipoprotein transport, triglyceride-rich particles, LDL clearance, or liver lipid handling. The current evidence index links this gene to Lipids with 1 SNP and 1 curated claim.

What is the HMGCR gene?

Rate-limiting cholesterol biosynthesis enzyme and statin pharmacogenomic target.

How HMGCR affects metabolism

When HMGCR-related function is shifted, the practical effect is interpreted through lipoprotein transport, triglyceride-rich particles, LDL clearance, or liver lipid handling. 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 HMGCR is altered

Altered HMGCR signal should be treated as a DNA-based tendency, not a diagnosis. 1 claim currently passes the report-use gate. The useful question is whether symptoms, labs, and lifestyle context line up with the pathway signal.

Curated SNP evidence for HMGCR

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

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

Open the sample report
rs12916HMGCR LDL-C target-variant signal1 claims · 2 study rows

biomarker tendency · CT

HMGCR-linked LDL cholesterol tendency

Moderate

rs12916 CT carries one HMGCR rs12916 C allele, the non-LDL-lowering allele relative to T, and is associated with higher LDL cholesterol tendency than TT.

HMGCR rs12916 CT is staged as a heterozygous LDL-C tendency signal at the statin-target HMGCR locus.

Likely effectHigher biomarker tendency
Signal sizeSmall signal
Evidence supportStrong support
Report useIncluded in pathway scoring
Show study evidence
PLOS Genetics LDL-C target-variant tablegwas · directThe checked LDL-C target-variant table lists HMGCR rs12916 T as the LDL-C-lowering effect allele with beta -0.06061 mmol/L per T allele. For the exact CT genotype, the C allele is staged as the higher-LDL-C allele relative to the T allele.BMC Medicine genetically mimicked statins PheWASbiomarker association · directThe checked PheWAS source treats rs12916 T as a genetic mimic of HMGCR inhibition, reporting that T downregulates hepatic HMGCR expression and lowers serum LDL-C, total cholesterol, and apolipoprotein B. The sample CT genotype therefore has one non-lowering C allele for this LDL-C tendency claim.
rs3846662HMGCR rs38466621 claims · 2 study rows

expression · A

HMGCR full-length activity tendency

Moderate

rs3846662 A is associated with increased HMGCR exon 13 skipping and lower full-length HMGCR activity tendency.

HMGCR rs3846662 A is staged as lower canonical HMGCR activity tendency through exon 13 skipping.

Likely effectLower gene expression signal
Signal sizeSmall signal
Evidence supportStrong support
Report useIncluded in pathway scoring
Show study evidence
PMCID PMC3869353functional assay · directThe checked HMGCR splicing source reports that rs3846662 alters HNRNPA1/SRSF motif context, that the A allele promotes exon 13 skipping, and that increased exon-13-skipped transcript diminishes HMGCR enzyme activity.PMCID PMC2764366biomarker association · directThe prior checked HMGCR source supports rs3846662 as an LDL-C-associated HMGCR splicing variant affecting the balance of exon-13-skipped and full-length transcripts.

Common symptoms people report

  • unexpected cholesterol or triglyceride results
  • family context around lipid markers
  • unclear ApoB, LDL-C, HDL-C, or triglyceride patterns

Biomarkers to validate

ApoB

Shows the number of atherogenic particles more directly than total cholesterol.

LDL-C, HDL-C, and triglycerides

Gives the basic lipid pattern that DNA can help contextualize.

Lp(a) or liver enzymes when relevant

Adds context for inherited lipid risk or liver lipid handling.

Where DNA analysis helps

DNA helps decide whether HMGCR deserves attention inside the broader Lipids pathway. It is most useful when combined with biomarkers instead of used as a standalone answer.

Example interpretation

HMGCR may add context to lipoprotein transport, triglyceride-rich particles, LDL clearance, or liver lipid handling, especially when its SNP evidence lines up with other genes in the same pathway.

Suggested validation: ApoB.

What to do next

  • Review the Lipids pathway result before interpreting HMGCR 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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PPARA fat metabolism gene

ApoB

ApoB and lipid risk

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Glucose regulation pathway

glucose regulation pathway

Upload DNA for health report

upload DNA for health report

Related symptom angle

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