The NEO1 gene gives cells signals that help them move, connect, and settle into the right place as the body develops. This gene helps your body guide growing nerve cells and organize other tissues, especially during early growth. If the NEO1 gene does not work properly, development may not follow the usual pattern, which can contribute to differences in the nervous system and other organs. Researchers also study this gene because it supports how cells stick to each other and respond to growth signals.
What is a gene?
A gene is a stretch of DNA that holds instructions your cells use to make molecules or regulate processes in the body. Some genes carry the directions for making proteins, which are the working parts of cells. Other genes mostly help determine when certain processes happen, where they take place, and how strongly they run. Together, genes affect how the body develops and works, and they can also shape how you respond to food, stress, or medications. To go into this topic in more detail, you can find more in the LearnHub.
Overview
NEO1Gene function
What if the gene works
The NEO1 gene helps guide how cells grow, move, and connect during development. It is especially important for nerve tissue, bone, and other organs, and it also supports normal cell survival and tissue repair.
Risk
What if the gene does not work
Milder to more severe variants in the NEO1 gene can weaken how cells receive guidance signals and attach to nearby cells. This may disrupt nerve pathway guidance, tissue growth, and other cell communication processes.
Treatment
What does that mean for your treatment
No NEO1-specific treatment or management approach is currently established for people with a pathogenic variant in the NEO1 gene. In research, NEO1 is being studied as a possible biomarker and drug target in some cancers and in tissue repair, but this has not yet changed routine treatment choices.
Gene function
What if the gene works
In growing tissues, the NEO1 gene helps cells read signals from their surroundings and respond in an organized way. Its protein sits on the cell surface, where it supports movement, attachment, and communication between cells. Understanding what the NEO1 gene does in the body helps explain how nerves and other tissues take shape during normal development.
Its protein sits on the cell surface and receives guidance cues from nearby cells. This helps a cell move, stop, or change direction at the right time.
In the developing nervous system, the NEO1 gene helps growing nerve cells follow the right route. This supports orderly wiring between the brain, spinal cord, and the rest of the body.
The NEO1 gene also helps cells attach to nearby cells and to the material around them. Steady attachment helps tissues keep their shape as they grow.
By combining guidance and attachment signals, this gene supports orderly tissue patterning during development. It helps cells line up, separate, or join in the places where they are needed.
What is a variant?
A genetic variant is a slight change in the DNA sequence within a gene. These changes are common and help shape normal human diversity, such as differences in appearance, metabolism, or how the body responds to environmental influences. Many variants do not have any noticeable effect and simply represent natural genetic variation. In some situations, though, a variant may change how a gene functions more significantly and can contribute to or cause a genetic condition.
Genetic variants
What if the gene does not work
NEO1 gene variants can affect protein function by changing how the neogenin receptor folds, reaches the cell surface, or binds to its partner signals. Milder missense variants may leave some activity in place but weaken binding or signaling. More severe variants, including some truncating or splice changes, can sharply reduce the amount of working protein or stop it from being made at all. This creates a spectrum of functional effects rather than one fixed outcome.
How variants are linked to conditions
NEO1 does not yet have a broadly confirmed link to a specific inherited health condition, although research on NEO1 gene variants and health conditions is still evolving. Anyone with a confirmed variant in the NEO1 gene should use their own test result and medical history with a doctor or genetic counselor, since personal interpretation is more useful than general summaries.
A variant is not necessarily a diagnosis
Genetic variants are a usual part of human biology and are widely found throughout the general population. Most do not have a direct effect on health and instead reflect natural human variation. For many genes, carrying a variant associated with a condition suggests a possible link rather than a definite diagnosis, especially when more than one gene and environmental factors are involved. There are cases, however, where a single well-characterized variant in a particular gene is enough on its own 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 NEO1 gene. If a test has found a change in NEO1, a doctor or genetic counselor can help explain what that result may mean for your personal and family risk.
Inheritance of NEO1 variants
There is not yet a broadly confirmed inheritance pattern tied to a specific NEO1-related condition, so the picture of how NEO1 gene variants are inherited is still evolving. The NEO1 gene is located on chromosome 15, which is an autosome rather than a sex chromosome. That means each person inherits one copy of the NEO1 gene from each parent, and sons and daughters can inherit NEO1 variants in the same general way.
What does my NEO1 result mean for my family?
There isn't yet a broadly confirmed inheritance pattern tied to a specific condition for NEO1, though this understanding can change as research develops. If you have a specific NEO1 result and questions about what it could mean for your family, a doctor or genetic counselor can explain it in the context of your personal and family history.
Genetic information
Genetic testing
How you find out about variants
Genetic testing for NEO1 variants uses a blood sample, saliva, or a cheek swab to read the NEO1 gene and look for DNA changes. Results may show a benign variant, a variant of uncertain significance, or a variant linked to a health condition, which can help clarify whether NEO1 is involved in a person’s symptoms or family history.
When should I consider getting a genetic test?
There isn't yet a broadly established NEO1-specific reason for genetic testing in routine care. Testing decisions are usually based on your personal health history, family history, and the reason testing is being considered, ideally with a doctor or genetic counselor.
A genetic result is only one part of your health story
A genetic result can provide useful insight, yet how much it reveals varies depending on the condition and the type of variant involved. Many factors, including lifestyle, environment, age, and medical history, influence how the body works over time. For some conditions, especially those shaped by many genes, genetic information provides context rather than certainty and is most helpful when viewed alongside other parts of care. In other situations, a genetic result may offer a clear answer. In areas such as 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. Some people break down a drug more slowly or more quickly, while others may be more or less sensitive to its effects. This helps explain why the same treatment can work well for one person, do less for another, or cause more side effects in someone else. These differences are common and are one part of why medication response varies from person to person.
What is Pharmacogenetics?
Pharmacogenetics examines how differences in genes affect the way people respond to medicines. It looks at links between genes and medications to help explain why the same treatment can work differently from one person to another. For many drugs, genes influence how strongly a medicine works or how the body handles it. This information can support treatment decisions that are more informed and more individualized. More detail on this topic is available in the LearnHub.
Drugs influenced by the NEO1 gene
When should I seek medical advice?
There is not yet a broadly confirmed role for this gene in guiding medication response, so questions about side effects, treatment changes, or other health concerns are best discussed with your doctor.