rs8192678
Master mitochondrial biogenesis regulator — Ser482 variant reduces PGC-1alpha transcriptional activity, impairing mitochondrial production, aerobic capacity, and metabolic adaptation
Chromosome
4
Risk Allele
T
Category
Fitness & Body
Tags
Fitness, Endurance, Diabetes, Cardiovascular, Mitochondria, Longevity, Aerobic Capacity, Fat Metabolism, Insulin Resistance
PGC-1alpha (encoded by PPARGC1A) is the master regulator of mitochondrial biogenesis — the cellular process that builds new mitochondria and determines how efficiently your cells produce energy. Every time you exercise, fast, or face cold exposure, PGC-1alpha activates a cascade that grows your mitochondrial...
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rs20541
Missense variant in IL-13 that enhances Th2 cytokine signaling, elevating serum IgE and increasing risk for atopic dermatitis, allergic rhinitis, and eczema; the minor A allele (Q130) confers risk while the common G allele (R130) is protective for atopic disease
Chromosome
5
Risk Allele
A
Category
Allergy & Atopic Disease
Tags
Asthma, Inflammation, Autoimmune, Skin Health, Biologic Therapy, T-Cell Regulation
Interleukin-13 is the central cytokine of type 2 immune responses(https://pubmed.ncbi.nlm.nih.gov/31230370/). While IL-4 drives central T-cell differentiation, IL-13 executes the peripheral tissue damage that defines atopic dermatitis: it remodels the skin barrier, recruits eosinophils, stimulates IgE production,...
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rs2236224
Intronic tag variant in MTHFD1 in strong LD with the R653Q missense variant, affecting folate-dependent purine synthesis and maternal neural tube defect risk
Chromosome
14
Risk Allele
A
Category
Methylation & Detox
Tags
Methylation, Folate, B Vitamins, Homocysteine, Cardiovascular
MTHFD1 (methylenetetrahydrofolate dehydrogenase 1) is a remarkable trifunctional enzyme: a single polypeptide that catalyzes three sequential reactions converting folate derivatives along a one-carbon relay chain. Its three enzyme domains — dehydrogenase, cyclohydrolase, and formyltetrahydrofolate synthetase() —...
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rs2471738
Intronic MAPT variant whose T allele co-defines the H1c sub-haplotype, independently conferring OR 1.85 for progressive supranuclear palsy and OR 2.07 for corticobasal degeneration in the same meta-analysis validating rs242557
Chromosome
17
Risk Allele
T
Category
Neurology & Cognition
Tags
Neurological Risk, Parkinson's, Dementia, Tau Pathology, Brain Health, Aging
The rs2471738 variant is an intronic SNP in the MAPT gene whose T allele is one of six markers that together define the H1c sub-haplotype — the highest-risk configuration within the broad H1 clade of the MAPT locus. While rs242557 is the most widely studied H1c tagging SNP, rs2471738 was independently analyzed in...
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rs28399433
Promoter variant that reduces CYP2A6 expression by ~50%, slowing nicotine metabolism and altering response to several cancer and antiretroviral drugs
Chromosome
19
Risk Allele
C
Category
Pharmacogenomics
Tags
Drug Metabolism, Pharmacogenomics, Smoking, Smoking Related, Cancer Treatment, Carcinogen Metabolism
CYP2A6 is the liver enzyme responsible for metabolizing roughly 70–80% of inhaled nicotine, converting it to its primary inactive metabolite cotinine, and then onward to 3-hydroxycotinine. The rate at which someone clears nicotine from their blood is one of the strongest determinants of how much they smoke and...
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rs3487348
Intronic PTPN1 variant in the 100-kb haplotype block; T allele associated with more favorable cholesterol profile (lower total and LDL cholesterol) in lean individuals
Chromosome
20
Risk Allele
G
Category
Blood Sugar & Diabetes
Tags
Diabetes, Insulin Resistance, Cholesterol, LDL Cholesterol, Metabolic, Cardiovascular
Protein tyrosine phosphatase 1B (PTP1B), encoded by the PTPN1 gene on chromosome 20q13, acts as a molecular brake on insulin signaling. When the insulin receptor is activated, it phosphorylates itself on key tyrosine residues to initiate a signaling cascade that drives glucose uptake and metabolic regulation. PTP1B...
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rs3754048
Regulatory variant 2 kb upstream of APH1A where the C allele (paper's G, coding strand) increases YY1 transcription factor binding and drives ~2.7-fold higher APH1A transcription, elevating gamma-secretase activity, increasing Aβ42 production, and raising Alzheimer's disease risk.
Chromosome
1
Risk Allele
C
Category
Hormones & Sleep
Tags
Alzheimer's, Neurodegeneration, Amyloidosis, Sleep, Circadian, Brain Health
A regulatory variant 2 kb upstream of APH1A sits at the molecular origin of amyloid precursor protein (APP) cleavage. APH1A(https://pubmed.ncbi.nlm.nih.gov/21443683/) is an obligate structural component of the enzyme that cuts APP into fragments, including the neurotoxic Aβ42 peptide — the primary driver of amyloid...
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rs3834458
A 3-bp deletion in intron 3 of FADS2 that reduces delta-6 desaturase activity, impairing conversion of the omega-3 precursor ALA to EPA and GLA to arachidonic acid; deletion carriers accumulate ALA in blood while producing less EPA, DPA, and DHA, with effects confirmed in a meta-analysis of 7 trials.
Chromosome
11
Risk Allele
-
Category
Triglycerides & Fatty Acids
Tags
Omega-3, Fat Metabolism, Triglycerides, Cardiovascular, Diet
In the omega-3 synthesis pathway, alpha-linolenic acid (ALA) from flaxseed and walnuts must pass through a series of enzymatic steps before becoming EPA and DHA — the forms that actively protect the cardiovascular system and brain. The very first step is catalyzed by delta-6...
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rs4684854
Intergenic regulatory variant downstream of PPARG associated with central obesity and fat distribution in GWAS analyses; shows markedly different allele frequencies across ancestry groups
Chromosome
3
Risk Allele
C
Category
Fat Storage & Energy
Tags
Adipogenesis, Fat Distribution, Metabolic Health, Insulin Resistance, Obesity, Cardiovascular
PPARγ(https://pubmed.ncbi.nlm.nih.gov/12663460/) is one of the most consequential metabolic genes in the human body. It governs whether pre-adipocytes become mature fat cells, how adipose tissue distributes between visceral and subcutaneous depots, and how sensitive peripheral tissues remain to insulin. The gene...
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rs659366
Promoter variant at position -866 of UCP2 that controls mitochondrial uncoupling protein expression; the T allele (A in coding-strand notation) increases UCP2 transcription, lowering ROS production and reducing insulin resistance, while C-allele homozygotes have lower UCP2 activity and carry higher oxidative-stress burden
Chromosome
11
Risk Allele
C
Category
Longevity & Aging
Tags
Longevity, Aging, Mitochondria, Oxidative Stress, Cardiovascular, Insulin Resistance
Every cell in your body runs a thermodynamic negotiation: burn fuel to make ATP for biological work, or dissipate that energy as heat through uncoupling(https://pubmed.ncbi.nlm.nih.gov/27364833/). UCP2 — uncoupling protein 2 — sits at the heart of this trade-off. It is expressed widely: in skeletal muscle, immune...
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