The DGKE gene helps cells control certain fat signals that affect blood clotting and the health of small blood vessels, especially in the kidneys. This gene plays an important role in keeping these signals balanced, and pathogenic variants can cause a rare inherited condition with tiny clots, kidney damage, anemia, and low platelets, often starting early in life. For families affected by this condition, a result showing a DGKE gene variant can help explain why kidney and blood problems keep happening.
What is a gene?
Genes are stretches of DNA that give cells instructions for making molecules or guiding activities in the body. Some genes provide the directions to produce proteins, which are the functional parts of cells. Others are used mostly to regulate when certain processes happen, where they happen, and how active they are. Taken together, genes affect how your body grows and works, and they can also influence your response to food, stress, and medicines. More detail is available in the LearnHub.
Overview
DGKEGene function
What if the gene works
The DGKE gene helps cells control fat signals by converting diacylglycerol into phosphatidic acid. This supports normal function in the kidney lining, blood vessels, and platelets.
Risk
What if the gene does not work
When the DGKE gene does not work properly, it can cause kidney disease with protein in the urine, high blood pressure, and blood clotting. Milder and more severe variants can influence when symptoms begin and how severe kidney problems become.
Treatment
What does that mean for your treatment
Pathogenic or loss-of-function variants in the DGKE gene do not currently have an established DGKE-specific treatment or medication strategy. Care is usually supportive and guided by the person’s kidney and blood findings, rather than by a drug choice linked directly to the DGKE variant.
Conditions associated with DGKE
Gene function
What if the gene works
Your cells use the DGKE gene to keep certain fat based signals under control. It helps turn one membrane messenger, called diacylglycerol, into another, called phosphatidic acid, so signaling stays balanced. Understanding how the DGKE gene works helps explain how cells manage routine communication and membrane upkeep.
The DGKE gene helps convert diacylglycerol, a fat like cell messenger, into phosphatidic acid, a related membrane fat. This keeps signal levels in a healthy range so cells can respond in a more controlled way.
By adjusting these membrane fats, the DGKE gene helps shape signals that tell cells when to grow, move, or react. This supports steady day to day communication inside the cell and at its surface.
Its protein helps replenish phosphatidic acid, which cells use to rebuild important signaling fats in their membranes. This supports the ongoing cycle that keeps membrane parts ready for everyday cell function.
What is a variant?
A genetic variant is a small difference in the DNA sequence of a gene. These changes are common and are part of normal human diversity, such as differences in appearance, metabolism, or the way the body responds to environmental influences. Many variants do not cause any noticeable effect and simply reflect natural genetic variation. In some cases, though, a variant can change the function of a gene more significantly and may contribute to or cause a genetic condition.
Genetic variants
What if the gene does not work
Understanding how DGKE gene variants affect protein function starts with the fact that many changes make the protein unstable, poorly folded, or much less active. Some variants reduce activity only partly, while more severe variants can nearly abolish it or stop the cell from making a usable protein at all. This can disrupt lipid signaling inside kidney cells and blood vessel lining cells, and more disruptive variants are often linked to earlier or more persistent DGKE related kidney disease.
How variants are linked to conditions
Pathogenic variants in the DGKE gene cause DGKE-associated atypical hemolytic uremic syndrome, a rare inherited kidney condition that often begins in infancy or early childhood. Many people with this diagnosis have episodes of thrombotic microangiopathy, which means small blood vessels become injured and the kidneys can be affected. Some may also develop ongoing kidney disease.
A variant is not necessarily a diagnosis
Gene variants are a normal feature of human biology and are widely seen in the general population. Most do not have a direct effect on health and instead represent natural human diversity. For many genes, carrying a variant associated with a condition suggests a possible link rather than a definite diagnosis, especially when several genes and environmental factors play a role. In some cases, 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?
For DGKE, the main risk comes from inheriting disease-causing changes in both copies of the gene, so day-to-day lifestyle factors are not known to meaningfully change whether the condition develops. In people living with DGKE-related kidney disease, infections or other physical stress may help trigger flare-ups, so close monitoring during illness can matter.
Inheritance of DGKE variants
DGKE-related kidney conditions are inherited in an autosomal recessive pattern. This means a person usually inherits one altered copy of the DGKE gene from each parent. Parents who each carry one DGKE gene variant are often unaffected, but with each pregnancy they have a 25% chance of having a child with the condition, a 50% chance of having a child who is a carrier, and a 25% chance of having a child who inherits neither variant. In practical terms, DGKE gene inheritance often appears only when both sides of the family pass on the same condition-related change.
What does my DGKE result mean for my family?
For families, a DGKE result usually matters most for close relatives because this gene is linked to a condition that is typically passed down in a recessive pattern. Parents are often healthy carriers, and brothers or sisters may also have the condition or be carriers even if they feel well. Other relatives may also carry the same gene change, especially on the same side of the family.
Genetic information
Genetic testing
How you find out about variants
Doctors find changes in the DGKE gene with genetic testing for DGKE variants, usually using a blood sample or sometimes saliva. A lab reads the DNA sequence, often as part of a kidney disease panel or exome test, and classifies any variant as disease-causing, likely benign, or uncertain.
When should I consider getting a genetic test?
Genetic testing for the DGKE gene may be considered if a baby or child has unexplained kidney disease, especially repeated episodes of kidney injury with anemia and low platelets or heavy protein in the urine. It can also be useful when these kidney problems run in the family or when doctors suspect a rare inherited kidney condition linked to DGKE.
A genetic result is only one part of your health story
Genetic results can provide useful insight, but how much they explain depends on the condition and on the kind of variant found. Over time, many factors, including lifestyle, environment, age, and medical history, also influence 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 can give a clear answer. In areas like response to medications, these results can also help put personal 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, how it reaches its target, or how strongly your body reacts to it. This helps explain why the same treatment works well for one person, seems weaker in another, or causes more side effects in someone else.
What is Pharmacogenetics?
Pharmacogenetics focuses on the ways genetic differences can affect how people respond to medicines. It examines links between genes and drugs to help explain why the same treatment may not work the same way for everyone. With many medications, genes can influence how powerfully a drug works or how the body handles it. This information can support more informed, individualized treatment choices. More detailed information is available in the LearnHub.
Drugs influenced by the DGKE gene
When should I seek medical advice?
There is not yet a broadly confirmed role for this gene in guiding medication choices, so any questions about medicines, side effects, or your overall health are best discussed with your doctor or pharmacist.
History
Research on the DGKE gene grew out of broader work on how cells handle fats that act as signals. In the 1990s, scientists identified DGKE as one member of a family of related genes, with each family member showing slightly different patterns in the body. From these first observations, research expanded steadily. A major step came in the 2010s, when variants in the DGKE gene were linked to a rare kidney condition that can begin in infancy or childhood, helping explain cases that had previously been hard to classify. This connection placed DGKE more firmly in medical genetics and kidney research. Since then, studies have focused on how DGKE related conditions differ from other inherited kidney conditions.