The TMEM87B gene helps cells guide normal body development, especially while organs are forming before birth. What this gene does can influence how the heart and other tissues develop. If TMEM87B is not working as expected, some people may have birth differences such as congenital heart problems, growth changes, or developmental delay. Reported effects vary, and some variants may have little or no clear impact.
What is a gene?
Genes are stretches of DNA that carry instructions your cells use to make molecules or regulate processes in the body. Some genes provide the directions for producing proteins, which are the working parts of cells. Other genes mainly help determine when certain processes happen, where they happen, and how strongly they take place. Together, genes affect how the body develops and works, and they can also influence how you respond to food, stress, or medications. For a more detailed look at this topic, you can find additional information in the LearnHub.
Overview
TMEM87BGene function
What if the gene works
The TMEM87B gene helps cells make a membrane protein involved in moving and sorting other proteins. This supports normal cell function and early development.
Risk
What if the gene does not work
Milder and more severe variants in the TMEM87B gene can reduce how well this membrane protein supports normal protein movement and signaling inside cells. The functional impact may vary by variant.
Treatment
What does that mean for your treatment
A pathogenic or loss-of-function variant in the TMEM87B gene does not currently point to a specific treatment or medication choice in clinical guidelines; care is guided by the person's symptoms and affected organs instead.
Gene function
What if the gene works
The TMEM87B gene supports the cell’s internal shipping system, which helps proteins reach the right place. This gives a practical picture of what the TMEM87B gene does in the body from day to day. When it is working normally, cells can organize membrane traffic in a steady, controlled way.
The TMEM87B gene helps cells sort and move selected proteins through their membrane system. This supports normal delivery to the cell surface and other parts of the cell.
Its protein sits in cell membranes and helps keep routine cellular traffic organized. This steady flow supports normal cell structure and everyday communication with the cell’s surroundings.
What is a variant?
A genetic variant is a minor difference in the DNA sequence within a gene. These differences are common and help explain normal human diversity, such as differences in appearance, metabolism, or the way the body responds to environmental influences. Many variants do not cause any noticeable effect and are simply part of natural genetic variation. In some situations, though, a variant can change how a gene works to a greater extent and may contribute to, or cause, a genetic condition.
Genetic variants
What if the gene does not work
Variants in the TMEM87B gene can change the shape or stability of its membrane protein, so less of it reaches the right place in the cell or works as expected. In understanding how TMEM87B gene variants affect protein function, milder variants may partly reduce protein activity, while more severe variants can greatly lower protein production or create a shortened protein that is cleared away. These changes may disrupt normal cell signaling and protein interactions.
How variants are linked to conditions
TMEM87B does not yet have a broadly confirmed link to a specific health condition, although research on TMEM87B gene variants linked to conditions is still developing. If you carry a reported change in the TMEM87B gene, its meaning depends on the exact variant and the rest of your clinical picture, so interpretation is best guided by your doctor or a genetic counselor.
A variant is not necessarily a diagnosis
Across the general population, genetic variants are common and are a normal feature of human biology. Most do not directly affect health and simply contribute to natural human diversity. For many genes, having a variant associated with a condition points to a possible link rather than a confirmed diagnosis, particularly when multiple genes and environmental factors play a role. In some situations, though, one well-characterized variant in a specific gene is 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 health risks related to the TMEM87B gene. Risk can depend on the exact gene change and whether it is part of a larger chromosome change, so personal guidance from a doctor or genetic counselor is the best way to understand what it may mean for you or your family.
Inheritance of TMEM87B variants
For families looking into the TMEM87B inheritance pattern, there is not yet a broadly confirmed Mendelian inheritance pattern tied to a specific TMEM87B related condition. Research has linked changes in the TMEM87B gene to human health findings, but the exact way a disease causing variant is passed through families is still being clarified. The TMEM87B gene is located on chromosome 2, which is an autosome, so you inherit one copy of this gene from each parent.
What does my TMEM87B result mean for my family?
There is not yet a broadly confirmed inheritance pattern tied to a specific condition for TMEM87B, and research is still evolving. If you have a TMEM87B result and want to understand what it could mean for relatives, a doctor or genetic counselor can help explain it in the context of your family history and the exact result.
Genetic information
Genetic testing
How you find out about variants
To find out whether you carry a variant, genetic testing for TMEM87B variants uses a blood sample, saliva, or cheek swab to read the DNA in the TMEM87B gene. Results can show whether a variant is present, absent, or uncertain, and they are usually interpreted alongside your symptoms and family history.
When should I consider getting a genetic test?
There is not yet a broadly established reason to order TMEM87B testing by itself. It may be considered as part of broader genetic testing when someone has unexplained birth differences, especially heart findings, or a family history that suggests an inherited condition.
A genetic result is only one part of your health story
A genetic result can be informative, but how much it explains varies with the condition and the specific type of variant. How your body functions over time is also shaped by many other factors, including lifestyle, environment, age, and medical history. For some conditions, particularly those affected by many genes, genetic information offers context rather than certainty and is most useful when considered together with other parts of care. In other situations, a genetic result can give a clear answer. In areas like medication response, genetic results can also help put individual experiences in context.
Pharmacogenetics
How variants shape your response to medicine
Genetic variation can affect how your body responds to medicines. Small differences in genes can change how a drug is absorbed, broken down, or handled by the body, which can influence how well it works or how sensitive you are to side effects. This kind of variation is common, and it helps explain why the same treatment can work well for one person but less well for another.
What is Pharmacogenetics?
Pharmacogenetics examines how differences in a person’s genes affect the way they respond to medicines. It studies links between genes and medications to explain why the same treatment can work differently in different people. For many drugs, genes can influence how strongly a medicine works or how the body handles it. This information can support more individualized and informed treatment choices. More detail on this topic is available in the LearnHub.
Drugs influenced by the TMEM87B gene
When should I seek medical advice?
There is not yet a broadly confirmed role for this gene in guiding medication choice or predicting medication response. If you have side effects, a medicine is not working as expected, or you have general concerns about your health or treatment, it is best to speak with your doctor.