The USP28 gene helps cells remove small tags from certain proteins, which supports DNA repair and keeps cell growth under control. If it does not work as it should, cells may handle damage less well and growth signals can become less balanced. This gene plays an important role in keeping key proteins at the right level, so variants in the USP28 gene may be linked to developmental differences or to a higher chance of some cancers, depending on the variant.
What is a gene?
Genes are sections of DNA that give your cells instructions for making molecules or guiding processes in the body. Some genes carry the directions for producing proteins, which do much of the cell’s work. Others mainly regulate when certain processes happen, where they take place, 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. For a more detailed look at this topic, you can learn more in the LearnHub.
Overview
USP28Gene function
What if the gene works
The USP28 gene helps cells control how long certain proteins stay active by removing small tags that mark them for breakdown. This supports DNA damage responses and normal cell growth.
Risk
What if the gene does not work
Milder USP28 variants may partly weaken the cell’s protein recycling signals, while more severe variants can greatly reduce removal of ubiquitin tags, the cell’s disposal labels. This can disturb DNA damage responses and protein stability.
Treatment
What does that mean for your treatment
No USP28-specific treatment or drug choice is currently established in clinical guidelines for people with a pathogenic or loss-of-function variant in the USP28 gene. In research, the USP28 gene is being studied as a possible cancer drug target, especially in squamous cell cancers, but this has not changed routine care.
Gene function
What if the gene works
Cells need careful control over which proteins stay active and which are cleared away. The USP28 gene helps maintain that balance, especially during cell growth and DNA repair. This USP28 gene function supports steady cell signaling and helps important cell tasks happen at the right time.
This gene can spare certain proteins from the cell’s usual cleanup system by removing small breakdown tags. That helps important control proteins stay available for the right amount of time.
When DNA is damaged, this gene helps keep repair and checkpoint proteins active. This gives cells time to pause division and coordinate DNA repair in a controlled way.
This gene supports proteins that tell cells when to grow, pause, and divide. In everyday tissue renewal, that helps cell activity stay orderly and well timed.
What is a variant?
A genetic variant is a minor change in a gene’s DNA sequence. These changes are common and are part of normal human diversity, including differences in appearance, metabolism, and the way the body responds to environmental influences. Many variants do not have any noticeable effect and simply represent natural genetic variation. Sometimes, though, a variant changes how a gene works more substantially and can contribute to or cause a genetic condition.
Genetic variants
What if the gene does not work
When looking at how variants in the USP28 gene affect protein function, the main effect is usually a change in the protein's shape, stability, or ability to work with other cell proteins. Milder variants may leave some activity in place, while more severe variants can sharply reduce activity, create a shortened protein, or stop the protein from being made at all. Some changes may also weaken how long the protein lasts inside cells, so it is cleared away sooner.
How variants are linked to conditions
The USP28 gene does not yet have a broadly confirmed link to a specific health condition, although research on USP28 gene variants and health conditions is still evolving. If you have a confirmed variant in the USP28 gene, your doctor or genetic counselor can place it in the context of your personal and family history.
A variant is not necessarily a diagnosis
Variants in genes are a normal feature of human biology and are widespread in the general population. Most do not have a direct effect on health and instead represent natural human variation. For many genes, having a variant associated with a condition suggests a possible link rather than a confirmed diagnosis, especially when several genes and environmental factors also contribute. In some situations, however, a single well characterized variant in a specific 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 health risk related to the USP28 gene. If a USP28 change has been found, the effect on risk can depend on the exact change and the health condition being considered. Anyone concerned about personal or family risk should speak with a doctor or genetic counselor.
Inheritance of USP28 variants
There is not yet a broadly confirmed Mendelian pattern for how USP28 gene variants are inherited in relation to a specific, well-established human condition, and this picture may become clearer as research grows. For families asking how USP28 gene variants are inherited, the most solid point is that the USP28 gene sits on chromosome 11, which is an autosome. That means each person has two copies of the gene, with one copy inherited from each parent.
What does my USP28 result mean for my family?
There is not yet a broadly confirmed, condition-specific inheritance pattern for USP28 that is used in routine family risk counseling. If you have a specific USP28 result and want to understand what it could mean for relatives, a doctor or genetic counselor can help interpret it in the context of your family history and the exact finding.
Genetic information
Genetic testing
How you find out about variants
Genetic testing for USP28 variants usually uses a blood or saliva sample. A laboratory reads the DNA sequence in the USP28 gene, often through a multigene panel, exome sequencing, or genome sequencing, and compares it with a reference sequence to identify and classify any variant.
When should I consider getting a genetic test?
There is not yet a broadly established, USP28-specific clinical reason for genetic testing in routine care. Testing decisions are best made with a doctor or genetic counselor, based on your personal health history, family history, and the reason testing is being considered.
A genetic result is only one part of your health story
How informative a genetic result is depends on both the condition and the type of variant involved, although it can offer meaningful insight. Many factors, including lifestyle, environment, age, and medical history, influence how the body functions over time. In some conditions, especially those shaped by many genes, genetic information provides context rather than certainty and is most useful when viewed alongside other parts of care. In other situations, a genetic result can give a clear answer. In areas such as medication response, genetic results may help put personal experiences into perspective.
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 broken down, how strongly it acts in the body, or how sensitive you are to side effects. This helps explain why the same treatment may work well for one person, have less effect in another, or feel harder to tolerate for someone else.
What is Pharmacogenetics?
Pharmacogenetics is the study of how genetic differences affect the response to medications. It examines links between genes and drugs to help explain why the same treatment can work differently from one person to another. For many medicines, genes influence how strongly a drug works and how the body processes it. This information can support more informed, individualized treatment decisions. You can learn more about this topic in the LearnHub.
Drugs influenced by the USP28 gene
When should I seek medical advice?
There is not yet a broadly confirmed role for this gene in guiding medication choice or response, so general questions about your medicines, side effects, or overall health are best discussed with your doctor.