What is the FBP1 gene?
Fructose-1,6-bisphosphatase catalyzing a rate-limiting gluconeogenesis step supporting fasting glucose production.
How FBP1 affects metabolism
When FBP1-related function is shifted, the practical effect is interpreted through meal response, fasting glucose control, insulin signaling, or glucose transport. 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 FBP1 is altered
Altered FBP1 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 FBP1
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
FBP1 currently has 2 curated SNPs, 2 claim-level scores, and 2 claims eligible for pathway scoring.
Open the sample reportrs121918189FBP1 p.Ala177Asp1 claims · 2 study rows
enzyme activity · TT or compound-heterozygous FBP1 deficiency context
Fructose-1,6-bisphosphatase activity tendency
rs121918189 T (forward-genomic; FBP1 c.530C>A / p.Ala177Asp transcript context) is associated with lower fructose-1,6-bisphosphatase activity tendency and impaired gluconeogenic capacity in recessive or compound-heterozygous contexts.
FBP1 rs121918189 T is staged as the forward-genomic recessive gluconeogenesis allele affecting fasting glucose, lactate, and metabolic-acidosis context.
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rs757653154FBP1 c.960_961insG1 claims · 2 study rows
enzyme activity · insC/insC or compound-heterozygous FBP1 deficiency context
Fructose-1,6-bisphosphatase activity tendency
rs757653154 / FBP1 c.960_961insG / p.Ser321ValfsTer13 is associated with lower fructose-1,6-bisphosphatase activity tendency and impaired gluconeogenic capacity in recessive or compound-heterozygous contexts.
FBP1 rs757653154 is staged as a recessive gluconeogenesis allele affecting fasting glucose, lactate, and metabolic-acidosis context.
Show study evidence
Common symptoms people report
- sleepiness or fog after carbohydrate-heavy meals
- energy swings between meals
- family or lab concern around glucose markers
Biomarkers to validate
Fasting glucose and HbA1c
Checks baseline blood-sugar control.
Fasting insulin
Helps identify insulin-demand context that glucose alone can miss.
Triglycerides and HDL-C
Adds metabolic context around meal response and insulin resistance.
Where DNA analysis helps
DNA helps decide whether FBP1 deserves attention inside the broader Glucose pathway. It is most useful when combined with biomarkers instead of used as a standalone answer.
Example interpretation
FBP1 may add context to meal response, fasting glucose control, insulin signaling, or glucose transport, especially when its SNP evidence lines up with other genes in the same pathway.
Suggested validation: Fasting glucose and HbA1c.
What to do next
- Review the Glucose pathway result before interpreting FBP1 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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