People inherit the FAM167A gene as part of the system that helps immune cells communicate. This gene plays an important role in keeping immune responses balanced, so changes in how it works may nudge the immune system toward attacking the body’s own tissues. Common variants near or in the FAM167A gene have been linked to a higher chance of autoimmune conditions such as rheumatoid arthritis and lupus, but they do not by themselves make a diagnosis. FAM167A is mainly known in genetics research rather than in popular culture.
What is a gene?
A gene is a stretch of DNA that carries instructions your cells use to make molecules or regulate processes in the body. Some genes hold the code for proteins, which are the parts of cells that do much of the work. Other genes mainly guide when certain processes take place, where they occur, and how strongly they are turned on. Together, genes affect how the body develops and works, and they can influence how you respond to food, stress, or medications. For a more detailed look at this topic, you can find more in the LearnHub.
Overview
FAM167AGene function
What if the gene works
The FAM167A gene makes a protein found in several immune cells. It appears to support how these cells communicate and respond during normal immune activity.
Risk
What if the gene does not work
Variants in the FAM167A gene may change how strongly the gene is switched on in immune cells. Milder variants may have small effects, while more severe variants can cause a larger drop or shift in cellular activity.
Treatment
What does that mean for your treatment
No FAM167A-specific treatment or drug selection approach is currently established in clinical guidelines. The FAM167A gene is being studied in autoimmune disease research mainly as a possible risk marker, not as a treatment target used in routine care.
Gene function
What if the gene works
FAM167A is most active in parts of the immune system. Understanding how the FAM167A gene works helps show how immune cells stay coordinated during everyday defense. Its best established role is in normal signaling linked to white blood cells, especially B cells.
The FAM167A gene supports normal communication between immune cells. This helps white blood cells respond in a coordinated way during routine immune activity.
FAM167A is especially active in B cells, the white blood cells that make antibodies. When it is working properly, it contributes to the steady control of everyday immune responses.
What is a variant?
A genetic variant is a minor alteration in the DNA sequence within a gene. These changes are common and are part of normal human diversity, including differences in appearance, metabolism, or the way the body responds to environmental influences. Many variants do not have any noticeable effect and simply represent natural genetic variation. In some situations, however, a variant changes how a gene works more substantially and may contribute to or directly cause a genetic condition.
Genetic variants
What if the gene does not work
Variants in the FAM167A gene often affect gene control signals more than protein shape, changing how much message and protein a cell makes. This pattern shows how variants in the FAM167A gene affect cell function: milder changes may only slightly raise or lower output, while more disruptive variants can upset message processing or make the protein unstable, leaving cells with much less working protein. The result is a spectrum of effects rather than one fixed change.
How variants are linked to conditions
The FAM167A gene does not yet have a broadly confirmed link to one specific health condition, although research on FAM167A gene variants and disease risk is still developing. If you carry a reported variant in the FAM167A gene, your doctor or genetic counselor can place that result in context with your personal and family history.
A variant is not necessarily a diagnosis
Genetic variants are a usual part of human biology and are common throughout the general population. Most have no direct impact on health and simply represent natural human diversity. For many genes, carrying a variant connected with a condition indicates a possible association rather than a definite diagnosis, particularly when more than one gene and environmental factors are involved. In some instances, though, a single well-characterized variant in a particular gene can be enough to confirm a diagnosis.
Are there things that can increase or change my risk?
There is not yet broadly confirmed evidence on specific factors that increase or reduce risk related to FAM167A itself. This gene has mainly been studied as one small part of overall risk for some autoimmune conditions, where many other genes, sex, hormones, smoking, and environmental exposures also play a role.
Inheritance of FAM167A variants
There is not yet a broadly confirmed Mendelian inheritance pattern tied to a specific condition for the FAM167A gene, even though common variants near or within this gene have been linked to differences in risk for some immune related conditions. In practical terms, how variants of the FAM167A gene are inherited in families has not been defined as a single dominant, recessive, or X linked pattern for a well established FAM167A related syndrome. The FAM167A gene is located on chromosome 8, which is an autosome, so you inherit one copy through your mother and one through your father.
What does my FAM167A result mean for my family?
There is not yet a broadly confirmed inherited pattern tied to a specific genetic condition for FAM167A. Changes near or in the FAM167A gene have mainly been studied as factors that may slightly affect the chance of certain immune-related conditions, rather than as a clear-cut cause passed through families in a predictable way.
Genetic information
Genetic testing
How you find out about variants
Genetic testing for FAM167A variants usually uses a blood or saliva sample to read your DNA, often as part of a broader panel or exome or genome test. Results may identify a variant in the FAM167A gene, but for this gene the finding is usually used to understand risk patterns or research results rather than confirm a diagnosis on its own.
When should I consider getting a genetic test?
There is not yet a widely used medical reason to test the FAM167A gene on its own. Genetic testing is usually considered based on your personal health history, symptoms, and family history, together with a doctor or genetic counselor.
A genetic result is only one part of your health story
A genetic result can provide valuable insight, but how much it explains depends on the condition and the kind of variant involved. How the body functions over time is shaped by many factors, including lifestyle, environment, age, and medical history. In some conditions, especially those influenced by many genes, genetic information provides context rather than certainty and is best considered along with other parts of care. In other situations, a genetic result may offer a clear answer. In areas like medication response, genetic results can also help put individual experiences into context.
Pharmacogenetics
How variants shape your response to medicine
Genetic variation can affect how people respond to medicines. Small differences in DNA can change how the body breaks down a drug, moves it through the body, or responds to it at its target. This is common and can help explain why the same treatment works well for one person, works less well for another, or causes more side effects in someone else.
What is Pharmacogenetics?
Pharmacogenetics examines how genetic differences shape a person’s response to medication. It focuses on links between genes and drugs to better explain why treatment effects can vary from one person to another. With many medicines, genes influence how powerfully a drug works or how the body handles it. This understanding can support more informed, individualized treatment decisions. You can learn more about this topic in the LearnHub.
Drugs influenced by the FAM167A gene
When should I seek medical advice?
There is not yet a broadly confirmed role for this gene in predicting how medicines will work, so any concerns about side effects, treatment changes, or your overall health are best discussed with your doctor.