The DAGLA gene helps make a natural signaling molecule used by the endocannabinoid system, a body system that helps fine tune nerve activity. This gene plays an important role in brain development, movement, learning, and the steady communication between nerve cells. If it does not work properly, some people may have developmental delay, low muscle tone, balance or walking problems, and sometimes seizures. This gene has not become a major public interest gene, but it is important in rare conditions that affect the brain.
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, the parts of cells that do much of the work. Others mainly control when certain processes happen, where they take place, and how strongly they run. Together, genes influence how the body develops and functions, and they can also shape how you respond to food, stress, or medications. To explore this topic in more detail, you can learn more in the LearnHub.
Overview
DAGLAGene function
What if the gene works
The DAGLA gene helps make 2-AG, a natural chemical messenger that nerve cells use to communicate. This supports brain development and helps regulate movement, learning, and appetite.
Risk
What if the gene does not work
Variants in the DAGLA gene can affect brain and eye development, often causing movement and balance problems, developmental delay, and unusual eye movements. Effects can range from milder to more severe, with earlier onset and broader features in some people.
Treatment
What does that mean for your treatment
No DAGLA-specific treatment or management approach is currently established for people with a pathogenic or loss-of-function variant in the DAGLA gene. The DAGLA gene is being studied within the body’s endocannabinoid signaling pathway as a possible drug target, but this has not yet changed routine treatment decisions.
Gene function
What if the gene works
Your cells use the DAGLA gene to make 2-AG, a natural cannabinoid-like messenger made from fats in cell membranes. This messenger helps cells send short-range feedback signals, especially between nerve cells. In day-to-day cell activity, the DAGLA gene supports balanced communication in the nervous system.
The DAGLA gene makes an enzyme that turns certain membrane fats into 2-AG. 2-AG is a natural cannabinoid-like messenger that cells use for local communication.
In the brain, 2-AG made by the DAGLA gene carries feedback signals between nerve cells at synapses (cell junctions). This helps fine-tune how much chemical message is released.
Its protein sits near cell membranes, where the starting fats are available when signals are needed. This setup helps cells make 2-AG quickly for short-range, moment-to-moment communication.
What is a variant?
A genetic variant is a slight alteration in the DNA sequence within a gene. 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. In some cases, though, a variant can more substantially change how a gene functions and may contribute to or cause a genetic condition.
Genetic variants
What if the gene does not work
Changes in the DAGLA gene can alter how much of the DAGLA protein is made, how stable it is, or how well it makes 2-AG, a signaling fat used by nerve cells. In practical terms, how DAGLA gene variants affect protein function ranges from milder changes that partly reduce enzyme activity to more severe variants that greatly lower or stop it. Variants that disrupt the protein’s active site or shorten the protein usually have the strongest effect and may be linked to earlier or broader neurologic features.
How variants are linked to conditions
Research on how variants in the DAGLA gene are linked to health conditions is still developing, and this gene does not yet have a broadly confirmed link to one specific condition. If you have a diagnosis involving the DAGLA gene, your doctor or genetic counselor can explain what that result means for your health and family more accurately than general information can.
A variant is not necessarily a diagnosis
Variants in genes are a routine feature of human biology and are widely seen across the general population. Most do not directly affect health and instead represent normal human variation. For many genes, having a variant associated with a condition points to a possible link rather than a certain diagnosis, particularly when several genes and environmental influences also play a role. In some situations, though, one clearly established variant in a particular gene is enough to confirm the 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 DAGLA gene. For families with a known DAGLA gene change, risk is mainly linked to the genetic change itself, and a doctor or genetic counselor can help explain what that may mean for relatives.
Inheritance of DAGLA variants
There is not yet a broadly confirmed, disease specific inheritance pattern for the DAGLA gene that is used in routine patient genetics in the same way as well known autosomal dominant or autosomal recessive conditions. In practical terms, when people ask how are DAGLA gene variants inherited, the answer is still evolving as the evidence base grows. The DAGLA gene is located on chromosome 11, which is an autosome, so each person inherits one copy from each parent.
What does my DAGLA result mean for my family?
There isn't yet a broadly confirmed inheritance pattern tied to a specific condition for DAGLA, though this understanding can change as research develops. If you have a specific DAGLA 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 relatives and family history.
Genetic information
Genetic testing
How you find out about variants
To find out whether you carry a change in the DAGLA gene, DAGLA genetic testing reads the gene's DNA code from a blood or saliva sample. Results may show a pathogenic variant, a benign variant, or a variant of uncertain significance, which means the health effect is not yet clear.
When should I consider getting a genetic test?
There is not yet a broadly established DAGLA-specific reason for genetic testing. Testing may be considered as part of a broader genetic evaluation for unexplained developmental delay, balance problems, seizures, or similar family history.
A genetic result is only one part of your health story
A genetic finding can be informative, but how much it explains depends on the condition and the kind of variant present. Lifestyle, environment, age, medical history, and other factors all influence how the body works over time. For some conditions, especially those shaped by many genes, genetic information offers context rather than certainty and is best considered alongside the rest of a person’s care. In other situations, a genetic result can give a clear answer. In areas like medication response, these results may help place personal experiences in context.
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 breaks down a drug, moves it through the body, or responds to it at its target. This is common and can help explain why the same treatment works well for one person, works less well for another, or causes more side effects in someone else.
What is Pharmacogenetics?
Pharmacogenetics examines how genetic differences shape a person’s response to medications. By studying patterns between genes and drugs, it helps explain why the same treatment may work differently from one person to another. For many medicines, genes influence how strongly a drug works or how the body processes 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 DAGLA gene
When should I seek medical advice?
There is not yet a broadly confirmed role for this gene in guiding medication choice or dose. Questions about side effects, trouble starting a new medicine, or changes after a dose change are best discussed with your doctor.
History
Research on the DAGLA gene grew out of work in the late 1990s and early 2000s on the body’s own cannabinoid signaling system. Scientists identified DAGLA as the gene for diacylglycerol lipase alpha, an enzyme that became important in mapping how this signaling pathway was built. Building on this early work, scientists uncovered more about the gene through animal studies and brain research, which helped place it within a fast-moving area of neuroscience. Interest in the DAGLA gene increased further when rare, disease-causing variants were linked to neurodevelopmental conditions, including movement and developmental differences. That shift moved DAGLA from a mainly research-focused gene to one with growing clinical relevance in genetic medicine.