The RPL31 gene gives instructions for part of the ribosome, the structure inside cells that makes proteins. The protein made by this gene helps your cells build the large ribosome subunit so protein production runs smoothly. If this gene does not work properly, cells may struggle to make proteins normally, and some people can develop Diamond-Blackfan anemia, a rare inherited condition that may cause low red blood cell counts, tiredness, and sometimes growth or physical differences.
What is a gene?
Genes are sections of DNA that give your cells instructions for making molecules or regulating processes in the body. Some genes carry the information needed to make proteins, the parts of cells that do the work. Other genes mainly help control when certain processes happen, where they happen, and how active they are. Together, genes affect how the body develops and works, and they can influence how you respond to food, stress, or medications. You can find more detail on this topic in the LearnHub.
Overview
RPL31Gene function
What if the gene works
The RPL31 gene helps build the large part of ribosomes, the cell structures that make proteins. This supports routine protein production, which cells need for growth, repair, and everyday function.
Risk
What if the gene does not work
Variants in the RPL31 gene are linked to Diamond-Blackfan anemia, a condition where bone marrow makes too few red blood cells. Effects can range from mild to severe and may include growth differences or birth differences in some people.
Treatment
What does that mean for your treatment
At present, no RPL31-specific treatment or drug selection approach is established for people with a pathogenic or loss-of-function variant in the RPL31 gene. RPL31 is being studied in ribosome-related disease and cancer biology, but this has not yet changed routine treatment choices.
Conditions associated with RPL31
Gene function
What if the gene works
Your cells are always making proteins for repair, signaling, and everyday upkeep. To keep that process moving, they need ribosomes, which are the cell’s protein-making machines. The RPL31 gene provides one of the building pieces of those machines. This helps explain what the RPL31 gene does in the body each day.
The RPL31 gene makes a protein that becomes part of the ribosome’s large subunit. This gives the protein-making machinery the shape and stability it needs for normal day-to-day work.
Inside ribosomes, this protein helps cells turn messenger RNA instructions into new proteins. That steady process, called translation (reading an RNA message to build a protein), is central to what the RPL31 gene does in the body.
What is a variant?
A genetic variant is a small difference in the DNA sequence of a gene. These changes are common and help create normal human diversity, including 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 cases, though, a variant can change the function of a gene more strongly and may contribute to or cause a genetic condition.
Genetic variants
What if the gene does not work
To understand how variants influence the RPL31 gene's function, many changes reduce how much RPL31 protein a cell can make or how well it is built into the ribosome, the part of the cell that makes proteins. Milder variants may partly reduce this process, while more severe variants can stop protein production or cause the faulty gene message to be broken down. This can disrupt ribosome assembly more strongly and alter protein production across the cell.
How variants are linked to conditions
Pathogenic variants in the RPL31 gene are linked to Diamond-Blackfan anemia, so the main condition seen with RPL31 gene variants is this rare inherited bone marrow failure condition. People may develop anemia in infancy or childhood, with tiredness, pale skin, or poor feeding, and some also have growth differences or physical features present from birth. Features can vary from one person to another.
A variant is not necessarily a diagnosis
Variation in genes is a normal feature of human biology and is common throughout the general population. Most variants do not directly affect health and simply reflect natural human diversity. For many genes, carrying a variant associated with a condition indicates a possible link rather than a certain diagnosis, especially when several genes and environmental factors play a role. 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 RPL31 gene. People with concerns about their personal or family risk can talk with a doctor or genetic counselor.
Inheritance of RPL31 variants
Information on how RPL31 gene variants are inherited is still developing, and there is not yet a single broadly confirmed disease specific inheritance pattern used routinely in clinical genetics. RPL31 is located on chromosome 2, which is an autosome, so you inherit one copy of the RPL31 gene from your mother and one copy from your father. In general, changes in genes on autosomes can be passed to children of any sex.
What does my RPL31 result mean for my family?
For many living with an RPL31-related condition, the pattern is usually dominant, so close relatives such as parents, brothers, sisters, and children may also carry the same gene change and could have similar health issues or milder features. In some families, the change happens for the first time in one person, so it is not always inherited from a parent. Family members may still want to talk with a genetics professional about what this result could mean for them.
Genetic information
Genetic testing
How you find out about variants
Variants in the RPL31 gene are found through RPL31 genetic testing, usually using a blood or saliva sample. A lab reads the gene’s DNA sequence and compares it with the usual pattern to identify variants, which may be reported as benign, uncertain, or disease causing.
When should I consider getting a genetic test?
Genetic testing may be worth considering if there is a personal or family history of Diamond-Blackfan anemia, especially severe anemia that starts in infancy or early childhood. Testing can help show whether a harmful change in the RPL31 gene is part of the cause and may clarify family risk.
A genetic result is only one part of your health story
A genetic result can provide valuable insight, but how much it shows depends on the condition and the kind of variant involved. Many factors, including lifestyle, environment, age, and medical history, shape how the body functions over time. For some conditions, especially those influenced by many genes, genetic information provides context rather than certainty and is best understood together with other parts of care. In other situations, a genetic result may give a clear answer. In areas such as medication response, these results can help put individual experiences into 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 broken down, moved through the body, or reaches its target, so the same treatment may work better for some people and cause more side effects in others. This kind of variation is common and is one reason medication response can differ from person to person.
What is Pharmacogenetics?
Pharmacogenetics is the area of study that looks at how genetic differences shape responses to medications. It examines relationships between genes and drugs to better explain why the same treatment can work differently from one person to another. With many medicines, genes affect both how strongly a drug works and how the body processes it. This information can help guide more informed and individualized treatment decisions. To explore this subject further, you can learn more in the LearnHub.
Drugs influenced by the RPL31 gene
When should I seek medical advice?
There is not yet a broadly confirmed role for this gene in guiding medication choice or dose, so general concerns about medicines, side effects, or changes in your health are best discussed with your doctor.