The LRRC73 gene helps make a protein with leucine rich repeat regions, structures that often let proteins bind to one another inside cells. The protein made by this gene helps your cells coordinate signaling and other routine cell tasks. If the LRRC73 gene does not work normally, these processes may become less organized, which can affect how cells function.
What is a gene?
Genes are sections of DNA that carry information your cells use to make molecules or regulate processes in the body. Some genes provide the instructions for making proteins, the parts of cells that do much of the work. Others mainly help direct when certain processes happen, where they take place, and how strongly they operate. Taken 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 learn more in the LearnHub.
Overview
LRRC73Gene function
What if the gene works
In your cells, the LRRC73 gene provides instructions for making the LRRC73 protein. Its protein has repeat sections that often help one protein attach to another.
Risk
What if the gene does not work
Changes in the LRRC73 gene can reduce or alter the LRRC73 protein, which may disrupt its usual interactions inside cells. Milder variants may leave some activity, while more severe variants can lead to very little or no working protein.
Treatment
What does that mean for your treatment
No LRRC73-specific treatment or management approach is currently established for people with a pathogenic or loss-of-function variant in the LRRC73 gene.
Gene function
What if the gene works
Cells work best when proteins meet the right partners at the right time. The LRRC73 gene appears to help with this kind of coordination by making a protein suited for protein-to-protein contact. Understanding how the LRRC73 gene works in the body helps explain its role in routine cell communication.
The LRRC73 gene makes a protein with repeated sections that are well suited for attaching to other proteins. This gives cells a way to bring several protein partners together for routine tasks.
By helping proteins connect, LRRC73 may support how cells pass along and organize internal signals. These signals guide everyday processes such as cell timing, growth, and movement.
What is a variant?
A genetic variant is a small change in the DNA sequence of 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 are simply part of natural genetic variation. In some situations, however, a variant can change the function of a gene more substantially and may contribute to or cause a genetic condition.
Genetic variants
What if the gene does not work
Variants in the LRRC73 gene can change the shape or stability of the LRRC73 protein, especially in its leucine-rich repeat regions, which may weaken folding or binding to other proteins. This is how variants in the LRRC73 gene affect protein function at the cellular level. Some changes are mild and only partly reduce function, while more severe variants can truncate the protein or sharply lower how much of it the cell makes.
How variants are linked to conditions
Current evidence has not yet established a broadly confirmed link between the LRRC73 gene and a specific human health condition, so information about LRRC73 gene conditions is still evolving. If you carry a reported variant in the LRRC73 gene, your clinician or genetic counselor can explain what that result means in the context of your personal and family history.
A variant is not necessarily a diagnosis
Genetic variants are a usual part of human biology and are widely found in the general population. Most of these variants do not directly affect health and instead reflect normal human diversity. For many genes, carrying a variant associated with a condition points to a possible link rather than a definite diagnosis, especially when several genes and environmental factors are involved. In some situations, though, a single 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 risk related to the LRRC73 gene. Anyone with concerns about personal or family risk can talk with a doctor or genetic counselor for advice based on their own history.
Inheritance of LRRC73 variants
There is not yet a broadly confirmed disease inheritance pattern for the LRRC73 gene, so the inheritance of LRRC73 gene variants is still being clarified as research develops. LRRC73 is located on an autosome rather than a sex chromosome, which means a copy of the gene is inherited from each parent and inheritance is generally the same for males and females.
What does my LRRC73 result mean for my family?
There isn’t yet a broadly confirmed inheritance pattern tied to a specific health condition for LRRC73, though this can change as research grows. If you have a specific LRRC73 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
To find out about LRRC73 variants, genetic testing uses blood, saliva, or a cheek swab to read the DNA sequence of the LRRC73 gene. It may be done as part of a multigene panel or broader sequencing test, and results can show a benign variant, a clinically relevant variant, or a change whose meaning is still unclear.
When should I consider getting a genetic test?
There is not yet a broadly established medical reason to test the LRRC73 gene on its own. Decisions about genetic testing are usually based on your symptoms, family history, and the overall reason for testing, best discussed with a doctor or genetic counselor.
A genetic result is only one part of your health story
A genetic test result can provide useful insight, but how much it can tell you varies with the condition and the kind of variant involved. Over time, many factors, including lifestyle, environment, age, and medical history, affect how the body functions. For some conditions, particularly those shaped by many genes, genetic information offers context rather than certainty and makes the most sense when considered with other parts of care. In other situations, a genetic result may give a clear answer. In areas like medication response, genetic results can also help make sense of individual experiences.
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 absorbs, breaks down, transports, or responds to a drug, so the same treatment may work better for one person than for another. This is common and can influence both how much benefit someone gets and how likely they are to notice side effects.
What is Pharmacogenetics?
Pharmacogenetics is the study of how differences in genes can shape a person’s 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 affect how strongly a drug works or how the body processes it. This information can support more informed, individualized treatment decisions. More on this topic is available in the LearnHub.
Drugs influenced by the LRRC73 gene
When should I seek medical advice?
There is not yet a broadly confirmed role for this gene in how people respond to medicines, so questions about side effects, new symptoms, or whether a treatment is working are best discussed with your doctor.