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THE PURSER WELLNESS REFERENCE

Your genes. More context.

Understand the names on a report, make useful connections, and keep learning at your own pace.

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145 entries

Gene & pathway reference

ACE

ACE is the gene name for Angiotensin-Converting Enzyme. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

ACTN3

ACTN3 is the gene name for Alpha-Actinin-3. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

ADIPOQ

ADIPOQ encodes adiponectin, a hormone released by fat tissue that participates in insulin sensitivity and fat metabolism. Its name often appears in discussions of triglycerides, body composition and metabolic health.

Gene & pathway reference

ADRB2

ADRB2 is the gene name for Beta-2 Adrenergic Receptor. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

AHCY

The genetic-architecture chapter explains that S-adenosylmethionine (SAM) donates methyl groups and becomes S-adenosylhomocysteine (SAH).

Gene & pathway reference

ALPL

ALPL encodes tissue-nonspecific alkaline phosphatase, an enzyme important to bone and tooth mineralization and vitamin B6 metabolism. Persistently low alkaline phosphatase can deserve a different evaluation from a general nutrient deficiency.

Gene & pathway reference

AOC1

Encodes diamine oxidase, an enzyme involved in breaking down histamine and other amines. DAO is used here as an enzyme nickname; it is also the official symbol of a different gene.

Gene & pathway reference

APOE

APOE encodes a protein that carries lipids between cells. The familiar APOE e2, e3 and e4 groupings depend on the combination of rs429358 and rs7412, not on either marker read in isolation.

Gene & pathway reference

ATG16L1

ATG16L1 is involved in autophagy, a process that helps cells recycle parts.

Gene & pathway reference

BCO1

BCO1, also called BCMO1, helps convert beta-carotene from plant foods into retinal, a form used in vitamin A metabolism. Plant carotenoids and preformed vitamin A therefore enter the pathway at different points.

Gene & pathway reference

BHMT

BHMT helps recycle homocysteine into methionine using betaine. It is a different route from the folate and B12 pathway.

Gene & pathway reference

BRCA1

BRCA1 helps repair damaged DNA. Clinically classified pathogenic variants can affect inherited cancer risk; a common SNP or a variant of uncertain significance is a different finding.

Gene & pathway reference

BRCA2

BRCA2 helps repair damaged DNA. Clinically classified pathogenic variants can affect inherited cancer risk; a common SNP or a variant of uncertain significance is a different finding.

Gene & pathway reference

C3

C3 is the gene name for Complement C3. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

CBS

CBS helps move homocysteine into the pathway that supplies building blocks for glutathione.

Gene & pathway reference

CCL11

CCL11 encodes eotaxin-1, a chemokine best known for attracting eosinophils. Its receptor relationships connect it to allergic inflammation as well as broader research into immune signaling.

Gene & pathway reference

CCL2

CCL2 encodes MCP-1, a chemokine that attracts monocytes toward sites of immune activity. Recruitment is a different task from the cytokines that activate those cells once they arrive.

Gene & pathway reference

CCL3

CCL3 encodes MIP-1 alpha, a chemokine involved in attracting and activating immune cells. It is related to CCL4, or MIP-1 beta, but the two genes and proteins are distinct.

Gene & pathway reference

CCL4

CCL4 encodes MIP-1 beta, a chemokine involved in attracting immune cells. It participates in a recruitment network that includes CCL2, CXCL8 and related chemokines.

Gene & pathway reference

CCL5

CCL5, also called RANTES, is a chemokine that helps direct immune-cell movement. Chemokines tell cells where to go, which is different from measuring the total strength of an immune response.

Gene & pathway reference

CCR3

CCR3 is the gene name for C-C Motif Chemokine Receptor 3. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

CD14

CD14 helps immune cells recognize microbial components, including bacterial lipopolysaccharide, as part of innate immune signaling. This places it upstream of some cytokine responses.

Gene & pathway reference

CD40

CD40 encodes a receptor that participates in communication between immune cells, including T-cell help for B-cell responses. Its partner is CD40 ligand, encoded by CD40LG.

Gene & pathway reference

CD40LG

CD40LG encodes CD40 ligand, which binds CD40 and supports communication needed for effective antibody responses. It is on the X chromosome, which changes how some genetic results must be interpreted.

Gene & pathway reference

CETP

CETP transfers cholesteryl esters between lipoprotein particles. This helps explain why the balance of HDL and other lipid particles is more complex than a single cholesterol number.

Gene & pathway reference

CHDH

CHDH helps convert choline toward betaine, a nutrient involved in the homocysteine pathway.

Gene & pathway reference

CLOCK

CLOCK is the gene name for Circadian Locomotor Output Cycles Kaput. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

COL5A1

COL5A1 encodes one component of type V collagen, which helps organize collagen fibers. It connects to the strength and structure of tendons, skin and other connective tissues.

Gene & pathway reference

COMT

Makes an enzyme that helps break down catechol compounds, including some neurotransmitters. A common variant does not by itself explain mood, attention or stress tolerance.

Gene & pathway reference

CTH

CTH helps make cysteine, one of the building blocks your body uses to make glutathione.

Gene & pathway reference

CUBN

Encodes cubilin, part of a receptor system involved in uptake of the intrinsic-factor–B12 complex.

Gene & pathway reference

CXCL13

CXCL13 is a chemokine that attracts cells expressing CXCR5, including B cells. This pairing helps organize immune-cell traffic in lymphoid tissues and some chronic inflammatory settings.

Gene & pathway reference

CXCL8

CXCL8 is the gene for IL-8, a chemokine involved in recruiting and activating neutrophils. IL-8 is the protein nickname; CXCL8 is the gene name a DNA report may use.

Gene & pathway reference

CXCR5

CXCR5 encodes the receptor for CXCL13. This receptor helps guide B cells and certain T cells toward locations where organized immune responses develop.

Gene & pathway reference

CYP19A1

CYP19A1 is the gene name for Cytochrome P450 Family 19 Subfamily A Member 1. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

CYP1A2

CYP1A2 is the gene name for Cytochrome P450 Family 1 Subfamily A Member 2. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

CYP1B1

CYP1B1 is the gene name for Cytochrome P450 Family 1 Subfamily B Member 1. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

CYP27B1

CYP27B1 is the gene name for Cytochrome P450 Family 27 Subfamily B Member 1. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

CYP2D6

CYP2D6 is the gene name for Cytochrome P450 Family 2 Subfamily D Member 6. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

DAOA

The older Purser genetics reference uses the heading “DAOA (AOC1)” in its gut section.

Gene & pathway reference

DDAH1

DDAH1 encodes an enzyme that breaks down asymmetric dimethylarginine, or ADMA. ADMA inhibits nitric oxide synthase; DDAH1 is part of its clearance system, not the inhibitor itself.

Gene & pathway reference

DHFR

DHFR helps reduce folic acid and dihydrofolate to tetrahydrofolate-related forms used in cellular metabolism. This is one part of the folate system, distinct from MTHFR and folate transport into cells.

Gene & pathway reference

DIO1

DIO1 is the gene name for Deiodinase, Iodothyronine Type I. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

ESR1

ESR1 encodes estrogen receptor alpha, which helps cells respond to estrogen. Receptor signaling is different from the amount of estrogen measured in blood.

Gene & pathway reference

ESR2

ESR2 is the gene name for Estrogen Receptor 2. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

F5

F5 encodes coagulation factor V. The well-characterized Factor V Leiden variant, rs6025, can make factor V less responsive to an anticoagulant control mechanism, increasing susceptibility to venous clots. It does not mean the body cannot make factor V.

Gene & pathway reference

F9

F9 encodes coagulation factor IX. Disease-causing variants can result in hemophilia B, an inherited bleeding disorder, but a panel marker is not equivalent to a confirmed disease-causing finding.

Gene & pathway reference

FADS1

Encodes an enzyme involved in fatty-acid metabolism.

Gene & pathway reference

FADS2

Encodes an enzyme involved in fatty-acid metabolism.

Gene & pathway reference

FOLH1

FOLH1 helps break down folate from food so it can be absorbed. This is different from the MTHFR step.

Gene & pathway reference

FOLR1

FOLR1 encodes folate receptor alpha, which helps cells take up folate and has an important role in folate transport at the brain’s barriers. Blood folate and folate availability in the nervous system are not identical measurements.

Gene & pathway reference

FOLR2

FOLR2 encodes folate receptor beta, a folate-binding protein expressed in particular cell types, including subsets of immune cells. It is distinct from the FOLR1 receptor and the SLC19A1 reduced folate carrier.

Gene & pathway reference

FOLR3

FOLR3 is the gene name for Folate Receptor 3. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

FTO

FTO is studied in relation to body weight and energy balance. Common variants can contribute to population-level differences in obesity susceptibility, alongside many other genes and environmental factors.

Gene & pathway reference

FUT2

FUT2 affects substances on the surfaces of the gut and other moist tissues and is studied in relation to the microbiome.

Gene & pathway reference

G6PC2

G6PC2 encodes a glucose-6-phosphatase-related protein expressed in pancreatic islet cells. Common variation is associated with differences in fasting glucose regulation; it is not the insulin receptor.

Gene & pathway reference

GABPA

GABPA helps control how other genes are used. Older materials may also use the label GABP1.

Gene & pathway reference

GAD1

GAD1 helps your body make GABA, a chemical messenger, from glutamate.

Gene & pathway reference

GAD2

GAD2 helps make GABA, a chemical messenger, from glutamate.

Gene & pathway reference

GCLC

GCLC helps make glutathione, an antioxidant your body produces.

Gene & pathway reference

GCLM

GCLM helps regulate one of the steps your body uses to make glutathione.

Gene & pathway reference

GDF5

GDF5 encodes growth differentiation factor 5, a signaling protein involved in skeletal development, joint formation and cartilage biology. Its name does not mean a SNP measures the ability to build muscle.

Gene & pathway reference

GGH

GGH encodes gamma-glutamyl hydrolase, which removes glutamate residues from folate compounds. This affects folate handling and helps explain why folate metabolism includes retention and processing as well as intake.

Gene & pathway reference

GPX1

GPX1 helps cells use glutathione to handle peroxides.

Gene & pathway reference

GPX3

GPX3 helps use glutathione in peroxide defense outside cells.

Gene & pathway reference

GPX4

GPX4 helps protect cell membranes from certain peroxides.

Gene & pathway reference

GSR

GSR encodes glutathione reductase. It uses reducing power from NADPH to help convert oxidized glutathione back to reduced glutathione, allowing this antioxidant system to be reused.

Gene & pathway reference

GSTM1

GSTM1 helps your body use glutathione to process some compounds.

Gene & pathway reference

GSTO1

GSTO1 belongs to the omega family of glutathione S-transferases. These enzymes participate in redox chemistry, with roles that differ from the better-known GSTM1 and GSTP1 pathways.

Gene & pathway reference

GSTO2

GSTO2 encodes glutathione S-transferase omega 2, a redox enzyme with dehydroascorbate reductase activity that connects glutathione chemistry with vitamin C recycling. It is a separate gene from GSTO1.

Gene & pathway reference

GSTP1

GSTP1 helps your body use glutathione to process some compounds.

Gene & pathway reference

GSTT1

GSTT1 helps your body use glutathione to process some compounds.

Gene & pathway reference

HDC

HDC is the gene name for Histidine Decarboxylase. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

HFE

HFE helps regulate iron absorption through signaling that influences hepcidin. The commonly discussed C282Y and H63D variants correspond to rs1800562 and rs1799945. Their implications depend on the combination present and clinical findings.

Gene & pathway reference

HLA-DQA1

HLA-DQA1 contributes to an HLA-DQ protein that presents antigen fragments to CD4 T cells. HLA-DQ function depends on pairing with an HLA-DQB chain, so an isolated marker is not a complete HLA type.

Gene & pathway reference

HLA-DQA2

HLA-DQA2 is part of the HLA class II region involved in immune recognition. It should not be treated as interchangeable with HLA-DQA1 or as a measurement of how well the immune system fights infections.

Gene & pathway reference

HLA-DR region

Refers to part of the HLA immune-recognition region, rather than one gene. HLA typing requires more detail than a broad region label.

Gene & pathway reference

HMGB1

HMGB1 normally has functions inside the cell nucleus. When released outside cells in particular settings, it can act as a damage-associated molecular pattern, or DAMP, participating in inflammatory signaling.

Gene & pathway reference

HRH1

HRH1 is the gene name for Histamine Receptor H1. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

HRH2

HRH2 is the gene name for Histamine Receptor H2. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

IFNG

IFNG encodes interferon gamma, a cytokine involved in cellular immune defense and activation of macrophages. It differs from the Th2 signals more often emphasized in allergic responses.

Gene & pathway reference

IL10

IL10 encodes interleukin-10, a cytokine that can limit inflammatory responses and help prevent excessive immune-mediated tissue damage. Immune balance includes resolving a response as well as starting one.

Gene & pathway reference

IL12B

IL12B encodes the p40 subunit shared by IL-12 and IL-23. This makes it an intersection between immune pathways rather than a stand-alone measure of one cytokine.

Gene & pathway reference

IL13

IL13 encodes interleukin-13, a cytokine involved in Th2 immune responses, mucus-related processes and tissue remodeling. It overlaps with some IL-4 functions but is not the same signal.

Gene & pathway reference

IL15

IL15 encodes a cytokine involved in the survival and activity of immune cells, including natural killer cells and memory CD8 T cells. Its receptor system includes IL15RA.

Gene & pathway reference

IL15RA

IL15RA encodes the alpha receptor component for IL-15. It helps present IL-15 to responding immune cells, supporting communication that is important for particular lymphocyte populations.

Gene & pathway reference

IL16

IL16 encodes interleukin-16, a cytokine involved in attracting and influencing immune cells, including CD4-expressing cells. Its recruitment role helps separate it from other numbered interleukins.

Gene & pathway reference

IL17A

IL17A encodes interleukin-17A, a cytokine involved in defense at tissue barriers and inflammatory signaling. It belongs to the Th17 pathway, which is supported by signals including IL-23.

Gene & pathway reference

IL18

IL18 encodes interleukin-18, a cytokine that can promote interferon-gamma responses in the appropriate immune context. Its receptor includes components encoded by IL18R1 and IL18RAP.

Gene & pathway reference

IL18R1

IL18R1 encodes a component of the receptor for IL-18. It works with an accessory component, IL18RAP, to support IL-18 signaling.

Gene & pathway reference

IL18RAP

IL18RAP encodes an accessory protein in the IL-18 receptor complex. The receptor needs coordinated components to translate an extracellular signal into a cellular response.

Gene & pathway reference

IL1B

IL1B encodes interleukin-1 beta, a cytokine involved in inflammatory responses and fever. Its production and activation are regulated processes, not simply an on/off consequence of having a common SNP.

Gene & pathway reference

IL21

IL21 encodes a cytokine involved in regulating lymphocytes, including B-cell responses. It sits within an immune network that connects T-cell help, antibody responses and inflammatory activity.

Gene & pathway reference

IL22

IL22 encodes a cytokine that acts on tissues such as epithelial barriers. It can support barrier defense and repair, while its effects depend on the tissue and inflammatory setting.

Gene & pathway reference

IL23A

IL23A encodes the p19 subunit of interleukin-23. Together with the p40 subunit encoded by IL12B, it forms a cytokine involved in supporting Th17 responses.

Gene & pathway reference

IL23R

IL23R encodes part of the receptor that receives IL-23 signals. This connects the gene to the maintenance of Th17-related immune responses, which differ from the Th2 patterns discussed in allergy.

Gene & pathway reference

IL2RA

IL2RA encodes the alpha chain of the interleukin-2 receptor, also called CD25. It is involved in immune activation and regulatory T-cell biology; a soluble receptor measurement is distinct from a DNA result.

Gene & pathway reference

IL33

IL33 encodes interleukin-33, a signal that can act as an alarmin during tissue stress and promote type 2 immune responses. It belongs in a different functional group from chemokines that recruit cells.

Gene & pathway reference

IL4

IL4 encodes interleukin-4, a cytokine involved in Th2 immune responses and antibody class switching, including pathways related to IgE. It operates alongside IL-5 and IL-13 rather than representing all allergic biology by itself.

Gene & pathway reference

IL5

IL5 encodes interleukin-5, a cytokine important to eosinophil growth, survival and activation. Eosinophils are involved in selected allergic and other inflammatory conditions.

Gene & pathway reference

IL6

IL6 encodes interleukin-6, a cytokine involved in immune responses and acute-phase signaling. It can appear in discussions of infection, chronic inflammation and metabolic health, with effects that depend on the context.

Gene & pathway reference

IL6R

IL6R encodes the interleukin-6 receptor. Membrane-bound and soluble receptor pathways help explain why IL-6 biology involves more than the amount of cytokine in a single blood sample.

Gene & pathway reference

ITGB2

ITGB2 is the gene name for Integrin Subunit Beta 2. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

KCTD10

KCTD10 is the gene name for Potassium Channel Tetramerization Domain Containing 10. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

KIT

KIT encodes a receptor tyrosine kinase that responds to stem cell factor. It participates in blood-cell development and mast-cell biology, making the exact variant and testing context especially important.

Gene & pathway reference

MAOA

MAOA helps break down some chemical messengers. A gene result cannot predict a mood or behavior.

Gene & pathway reference

MAOB

MAOB encodes monoamine oxidase B, an enzyme involved in breaking down monoamine compounds, including dopamine. It does not simply build dopamine, and a DNA marker is not a neurotransmitter measurement.

Gene & pathway reference

MMP3

MMP3 encodes matrix metalloproteinase 3, an enzyme involved in breaking down components of the extracellular matrix. Controlled remodeling is part of repair, while excess activity can accompany inflammatory tissue damage.

Gene & pathway reference

MTHFD1

MTHFD1 helps move folate between forms used for different jobs in the body.

Gene & pathway reference

MTHFD1L

The homocysteine chapters include MTHFD1L in the wider folate-related genetic map.

Gene & pathway reference

MTHFR

Makes an enzyme that helps produce a form of folate used in the processing of homocysteine. Common variants are different from rare variants that cause severe MTHFR deficiency.

Gene & pathway reference

MTHFS

MTHFS encodes an enzyme that converts 5-formyltetrahydrofolate into 5,10-methenyltetrahydrofolate. This places it in folate interconversion; it is not another name for MTHFR or a direct maker of methylfolate.

Gene & pathway reference

MTR

Makes the methionine synthase enzyme, which uses vitamin B12 in the conversion of homocysteine to methionine.

Gene & pathway reference

MTRR

Helps maintain the activity of methionine synthase, connecting B12-related chemistry with homocysteine metabolism.

Gene & pathway reference

NAT2

NAT2 encodes N-acetyltransferase 2, which helps process certain drugs and other compounds. Combinations of variants can influence acetylation status; one SNP usually does not tell the entire story.

Gene & pathway reference

NOS3

NOS3 encodes endothelial nitric oxide synthase, which helps blood vessels generate nitric oxide, a signal involved in vascular relaxation. This pathway is distinct from a blood pressure measurement or a diagnosis of vascular disease.

Gene & pathway reference

NQO1

NQO1 is the gene name for NAD(P)H Quinone Oxidoreductase 1. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

NR3C1

NR3C1 encodes the glucocorticoid receptor, which helps tissues respond to cortisol and glucocorticoid medicines. Receptor genetics and measured cortisol levels answer different questions.

Gene & pathway reference

NR3C2

NR3C2 encodes the mineralocorticoid receptor, which responds to hormones such as aldosterone and helps regulate salt and fluid balance. It is distinct from the NR3C1 glucocorticoid receptor.

Gene & pathway reference

NTRK2

NTRK2 encodes TrkB, a receptor involved in responding to neurotrophic signals such as BDNF. These signals support nervous-system function and plasticity. NTRK2 is not a phosphatidylserine absorption transporter.

Gene & pathway reference

PEMT

Makes an enzyme involved in producing phosphatidylcholine, a component of cell membranes. Genetic findings alone do not establish a choline deficiency.

Gene & pathway reference

PLD3

PLD3 is the gene name for Phospholipase D Family Member 3. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

PON1

PON1 is discussed in relation to how the body handles some compounds and protects certain fats.

Gene & pathway reference

PPARD

PPARD is the gene name for Peroxisome Proliferator-Activated Receptor Delta. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

PSEN1

PSEN1 encodes a presenilin protein that participates in gamma-secretase, a protein-processing complex. Some pathogenic variants can cause familial Alzheimer’s disease; a listed common marker is not equivalent to that diagnosis.

Gene & pathway reference

PSEN2

PSEN2 encodes a presenilin protein that participates in gamma-secretase, a protein-processing complex. Some pathogenic variants can cause familial Alzheimer’s disease; a listed common marker is not equivalent to that diagnosis.

Gene & pathway reference

PTGS2

PTGS2, commonly called COX-2, encodes an enzyme involved in prostaglandin production. Prostaglandins participate in pain, fever and inflammatory signaling.

Gene & pathway reference

RAD50

RAD50 encodes a DNA-repair protein. The surrounding genomic region also contains regulatory elements relevant to the nearby IL4, IL5 and IL13 cluster, so a locus association can concern more than the coding function of one gene.

Gene & pathway reference

SERPINE1

SERPINE1 makes PAI-1, a protein involved in breaking down blood clots. You may also see PAI4G used for this pathway.

Gene & pathway reference

SHBG

SHBG is the gene name for Sex Hormone-Binding Globulin. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

SHMT1

SHMT1 connects serine and glycine with folate chemistry.

Gene & pathway reference

SLC19A1

Encodes the reduced folate carrier, a protein involved in transporting folates into cells.

Gene & pathway reference

SOD1

SOD1 helps convert superoxide inside cells as part of the body’s antioxidant defenses.

Gene & pathway reference

SOD2

SOD2 works in mitochondria as part of the body’s antioxidant defenses.

Gene & pathway reference

SOD3

SOD3 works outside cells as part of the body’s antioxidant defenses.

Gene & pathway reference

SRD5A1

SRD5A1 is the gene name for Steroid 5α-Reductase Type 1. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

SULT1A1

SULT1A1 is the gene name for Sulfotransferase 1A1. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

TCN2

TCN2 helps carry vitamin B12 in the body. A gene result alone cannot tell you your B12 status.

Gene & pathway reference

TGFB1

TGFB1 encodes transforming growth factor beta 1, which has roles in immune regulation, tissue repair and extracellular-matrix production. Its effects can include both regulation of inflammation and promotion of fibrosis.

Gene & pathway reference

TNF

TNF encodes tumor necrosis factor, an immune-signaling protein involved in inflammation, host defense and regulation of cell survival. Its name should not be read as proof that a TNF result indicates cancer.

Gene & pathway reference

TNFRSF10A

TNFRSF10A encodes death receptor 4, or DR4, a receptor that can receive the TRAIL signal and participate in regulated cell-death pathways. TRAIL itself is encoded by TNFSF10.

Gene & pathway reference

TNFSF10

TNFSF10 encodes TRAIL, a signaling protein involved in regulated cell death through particular receptors. It is a different member of the TNF-related signaling family from TNF itself.

Gene & pathway reference

TPSAB1

TPSAB1 is the gene name for Alpha Tryptase. Learn what a specific result could mean and what to ask about it.

Gene & pathway reference

VDR

VDR encodes the vitamin D receptor, which helps regulate gene activity in response to active vitamin D. A receptor variant does not by itself mean receptors are absent or that the blood vitamin D level is low.

Gene & pathway reference

VKORC1

VKORC1 encodes vitamin K epoxide reductase, part of the vitamin K recycling system used in activating clotting proteins. It is not simply a vitamin K receptor.

Use these pages to learn what a term means and what to ask next. Your clinician can help you decide what your own results mean.