The GPR35 gene provides instructions for a receptor on the cell surface that helps cells respond to chemical signals, especially in the digestive tract and immune system. What this gene does can influence how your body handles inflammation and communication between cells. If the receptor does not work as expected, signaling may be altered, and this can play a role in gut inflammation and some other inflammatory conditions. Many variants in this gene are harmless, while a few may affect risk rather than causing a diagnosis on their own.
What is a gene?
Genes are sections of DNA that carry instructions your cells use to make molecules or regulate activities in the body. Some genes provide the directions for producing proteins, which are the parts of cells that do the work. Others mainly help determine when certain processes happen, where they happen, and how active they are. Taken together, genes affect how the body develops and works, and they can influence how you respond to food, stress, or medications. To explore this topic in more detail, you can read more in the LearnHub.
Overview
GPR35Gene function
What if the gene works
The GPR35 gene helps cells receive chemical signals at their surface, especially in the gut and immune system. This cell messaging can help shape immune activity, cell movement, and pain signaling.
Risk
What if the gene does not work
Changes in the GPR35 gene can range from milder to more disruptive and may reduce how well this cell surface signaling protein works. This can weaken chemical signaling between cells, especially in immune and gut tissues, and alter cell responses.
Treatment
What does that mean for your treatment
No GPR35-specific treatment or management approach is currently established in clinical guidelines. The GPR35 gene is being studied as a possible drug target and disease marker in inflammatory bowel disease, how the body senses pain, and some cancers, but this has not yet changed routine treatment choices.
Conditions associated with GPR35
Gene function
What if the gene works
Your cells use the GPR35 gene to pick up outside chemical cues and turn them into internal messages. This supports everyday cell communication, especially in the digestive tract and immune system. When GPR35 is working as expected, cells can adjust their activity, shape, and movement in a controlled way.
The GPR35 gene makes a receptor that sits on the cell surface and detects nearby chemical signals. When a signal arrives, it starts a response inside the cell.
Once switched on, this receptor passes the message to signaling routes inside the cell. These messages help tune how active the cell is and how it responds to its surroundings.
GPR35 signaling helps some cells change shape and move in a coordinated way. This supports routine tasks such as positioning cells where they are needed in tissue.
Many cells in the digestive tract use GPR35 to respond to local chemical cues. This is part of how the GPR35 gene helps cells communicate in the gut day to day.
What is a variant?
Genetic variants are small differences in the DNA sequence of a gene. They are common and form part of normal human diversity, including differences in appearance, metabolism, and how the body responds to environmental influences. Many have no noticeable effect and simply represent natural genetic variation. In some cases, though, a variant can change how a gene functions more substantially and may contribute to or cause a genetic condition.
Genetic variants
What if the gene does not work
Variants that influence the GPR35 gene's function can change how well its receptor folds, reaches the cell surface, binds signals, and activates partner proteins inside the cell. Some changes have little effect, while others reduce signaling strength or make the receptor unstable and easier for the cell to clear away. More disruptive variants may nearly stop receptor activity, although the impact depends on the exact DNA change and whether one or both gene copies are affected.
How variants are linked to conditions
Variants in the GPR35 gene have been linked most consistently with inflammatory bowel disease, especially ulcerative colitis. Studies on GPR35 gene variants linked to ulcerative colitis also suggest a role in primary sclerosing cholangitis, a liver condition that often overlaps with bowel inflammation. These findings describe shifts in risk at the population level, so carrying a common GPR35 variant does not mean you will develop either condition.
A variant is not necessarily a diagnosis
Genetic variants are a routine feature of human biology and are widely found across the population. Most do not directly affect health and simply contribute to normal human variation. For many genes, carrying a variant associated with a condition points to a possible link, not a confirmed diagnosis, particularly when several genes and environmental influences play a role. In some situations, though, one well-characterized variant in a particular gene is enough to confirm a diagnosis.
Are there things that can increase or change my risk?
There isn't yet broadly confirmed evidence on specific factors that increase or reduce risk related to the GPR35 gene. Some changes in GPR35 have been linked with differences in the chance of certain inflammatory conditions, but overall risk still depends on many other genes, health factors, and the environment.
Inheritance of GPR35 variants
There is not yet a broadly confirmed inheritance pattern tied to a specific GPR35-related condition, so when people look up how GPR35 gene variants are inherited, the answer is still evolving. The GPR35 gene has been studied mostly for possible links to common, complex conditions, where inheritance does not follow a clear autosomal dominant or autosomal recessive pattern. The GPR35 gene is located on chromosome 2, which is an autosome, so you inherit one copy from each parent.
What does my GPR35 result mean for my family?
There isn't yet a broadly confirmed inheritance pattern tied to a specific condition for GPR35, though this understanding can change as research develops. If you have a specific GPR35 result and questions about what it could mean for your family, a doctor or genetic counselor can help explain it in the context of your personal and family history.
Genetic information
Genetic testing
How you find out about variants
A blood or saliva sample can be used for genetic testing for GPR35 variants, which reads the GPR35 gene to look for changes in your DNA. This can show whether you carry a specific variant, and the result is most helpful when that change has already been clearly linked to health.
When should I consider getting a genetic test?
There is not yet a broadly established reason to do genetic testing just for the GPR35 gene in routine care. Decisions about testing are usually based on your personal health history, symptoms, and family history, often with guidance from a doctor or genetic counselor.
A genetic result is only one part of your health story
Genetic results can provide useful insight, but how much they reveal varies by the condition and the type of variant involved. Many other factors, including lifestyle, environment, age, and medical history, also shape how the body works over time. In some conditions, especially those influenced by many genes, genetic information provides context rather than certainty and is best understood as part of the broader picture of care. In other situations, a genetic result may offer a clear answer. In areas like medication response, genetic results can help put individual experiences into context.
Pharmacogenetics
How variants shape your response to medicine
Genetic variation can affect how people respond to medicines. The same drug may work well for one person, have less effect in another, or cause more side effects in someone who is more sensitive to it. One reason is that inherited differences can change how the body breaks down, moves, or responds to a medicine. These differences are common and are one part of why treatment response can vary from person to person.
What is Pharmacogenetics?
Pharmacogenetics examines how differences in genes can shape a person’s response to medications. It focuses on gene-drug relationships to clarify why the same treatment may work differently in different people. For many medicines, genes influence both how much effect a drug has and how the body handles it. This information can support treatment choices that are more informed and more tailored to the individual. To explore this subject in greater detail, more information is available in the LearnHub.
Drugs influenced by the GPR35 gene
When should I seek medical advice?
There isn’t yet a broadly confirmed role for this gene in guiding medicine choices, so medication side effects, unusual reactions, or concerns about how well a treatment is working are best discussed with your doctor.
History
The GPR35 gene entered research in the late 1990s, when scientists were identifying many previously unknown cell signaling genes. Initially understood only through visible traits, later recognized as tied to a specific gene, GPR35 was first grouped with so called orphan receptors, meaning its natural activating signal was not yet clear. From these first observations, research expanded steadily as laboratories explored where GPR35 is active and which body systems it may influence. Interest grew as studies linked the GPR35 gene to inflammation, gut biology, and inherited conditions such as a form of cholestasis, a liver condition that affects bile flow. Over time, descriptions became more precise, but GPR35 remains a gene whose full clinical significance is still being mapped out.