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The CEBPA, DDX41, ETV6 and ANKRD26 genes: what they do | CION Cancer Clinics
CEBPA, DDX41, ETV6 and ANKRD26 are four genes that help the bone marrow make healthy blood cells. An inherited fault in one of them can cause a lifelong low platelet count, or raise the risk of a myeloid blood cancer such as acute myeloid leukaemia. This page explains what each gene normally does, what a fault changes, and why it raises risk rather than settling it. At CION Cancer Clinics, our oncologists explain what a gene result means for you and your family, and plan the checks that follow.
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Medically reviewed by Dr. Basudev PokhrelConsultant Haematologist · last reviewed September 2026, next review due September 2027
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On this page
- What do these four genes actually do?
- What each gene's job is in the bone marrow
- How is a blood cell made, and where do these genes act?
- What do the words around these genes mean?
- Working gene, faulty gene: what changes
- What this page cannot tell you
- Four things people assume about these genes
- Common questions about CEBPA, DDX41, ETV6 and ANKRD26
The short answer
What do these four genes actually do?
CEBPA, DDX41, ETV6 and ANKRD26 each help the bone marrow make healthy blood cells. When one copy is faulty from birth, blood making can go wrong in two ways. The platelet count may be low for life, or the risk of a myeloid blood cancer, such as acute myeloid leukaemia, is raised.
Why four genes share one page
They do different jobs, but they end up in the same place. Doctors now group them together as causes of an inherited tendency to myeloid blood cancer. They are tested together on the same blood cancer panel, and the plan for a carrier looks broadly similar whichever gene is involved.
What a fault does not mean
A fault in one of these genes raises risk. It does not mean leukaemia is present or certain. Many carriers stay well for life, and some only ever show a mildly low platelet count. The fault also cannot be corrected or reversed by any medicine, which is why the plan focuses on watching the blood rather than treating the gene.
Myeloid means the family of blood cells that includes most white cells, red cells and platelets.One gene at a time
What each gene's job is in the bone marrow
Each gene works at a different point in the making of a blood cell. That is why a fault in each one looks slightly different.
CEBPA: the maturing switch
CEBPA tells young blood cells when to grow up into infection-fighting white cells. When it fails, cells can stay immature and keep dividing, which is the starting point of leukaemia. Of the four genes, an inherited CEBPA fault carries the highest chance of leukaemia, and it can appear at a younger age.
DDX41: the message handler
DDX41 helps a cell handle RNA, the working copies it makes from its genes. It also helps cells sense damage. Faults are usually noticed late in life, often in men, and many carriers have no family history at all. That is why DDX41 is now checked even in older patients.
ETV6: the brake on gene activity
ETV6 keeps other genes quiet at the right moments. It is needed for healthy platelet making and for the blood stem cells that restock the marrow.
A fault often shows as
- A lifelong low platelet count
- Easy bruising or nosebleeds
ANKRD26: the off switch that stays on
ANKRD26 should be switched off as platelet-making cells mature. The inherited fault leaves it switched on, so fewer platelets are released into the blood. The low count is usually mild to moderate and is often found by chance on a routine blood test.
Not sure whether this applies to you?
Ask an oncologistFrom marrow to bloodstream
How is a blood cell made, and where do these genes act?
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A stem cell in the marrow divides
Deep inside the bones, a small store of stem cells divides to replace the blood you use up every day. ETV6 helps keep this store healthy.
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Young cells choose a path
The new cells commit to becoming red cells, white cells or platelet-making cells. Several of these genes help steer that choice.
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They mature step by step
CEBPA pushes young white cells to finish maturing. DDX41 helps every cell handle its genetic messages correctly along the way.
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Platelets are shed into the blood
Large platelet-making cells break off tiny fragments that plug leaks in blood vessels. ETV6 and ANKRD26 both matter at this step.
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Where it can go wrong
With one faulty copy, the marrow usually still copes. Trouble tends to start when a second change appears in a marrow cell during life, and that cell stops maturing properly.
On your report
What do the words around these genes mean?
- Bone marrow
- The soft tissue inside bones where blood cells are made.
- Platelets
- Tiny cell fragments that help blood clot. A low count can cause bruising and bleeding.
- Acute myeloid leukaemia
- A fast-growing cancer of the myeloid blood cells, often shortened to AML.
- Myelodysplasia
- A bone marrow disorder in which blood cells are made badly. It can later turn into leukaemia. Often shortened to MDS.
- Germline
- Present in every cell from birth, and so able to pass to children. The opposite, somatic, means found only in the cancer.
- Second hit
- A new change in the other copy of the gene, arising in one marrow cell during life.
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Side by side
Working gene, faulty gene: what changes
When the gene works
When one copy is faulty from birth
CEBPA: white cells mature on time
High chance of AML, sometimes at a young age
DDX41: genetic messages handled cleanly
Raised risk of AML or MDS, mostly in later adult life
ETV6: platelets and stem cells kept healthy
Low platelets, and a raised risk of several blood cancers
ANKRD26: switched off at the right time
Low platelets, and a raised risk of myeloid cancer
Being straight with you
What this page cannot tell you
It cannot tell you what a change in your own report means. Each gene carries many possible changes, and not all of them break the gene. What your specific variant means is a question for the counsellor who ordered the test.
It cannot put a number on your risk
These genes were recognised as inherited causes of blood cancer fairly recently, and studies so far are small. Risk figures differ between genes and between families. A haematologist, a doctor who specialises in blood, can explain what is known for your gene today.
Who this does not apply to
Most people with leukaemia do not carry an inherited fault in any of these genes. A change found only in the leukaemia cells is somatic, it cannot be inherited, and it is used to guide treatment instead. Those changes are covered on our targeted therapy pages.
A germline result needs a sample free of cancer cells. In someone with leukaemia, that is usually a small skin sample.Commonly believed
Four things people assume about these genes
"Leukaemia in a person over sixty cannot be inherited."
DDX41 is the clearest example that it can. Its leukaemias usually appear late in life, so an older age at diagnosis does not rule out a family fault.
"A low platelet count is always an immune problem."
Often it is. But in ETV6 and ANKRD26 families the count has been low since birth, and immune treatments do not raise it. A family history of low platelets is a clue worth mentioning.
"A faulty gene can be repaired with medicine."
An inherited gene fault cannot be corrected or reversed. What medicine offers is careful watching, and treatment if a blood cancer does develop.
"If one copy works, the fault does nothing."
The working copy covers for it most of the time. The risk comes from a second change arising in one marrow cell during life, which is why carriers are watched.
Questions we are asked
Common questions about CEBPA, DDX41, ETV6 and ANKRD26
Are these genes the same as the leukaemia mutations on my treatment report?
Not necessarily. A leukaemia test looks at the cancer cells and cannot tell inherited from acquired changes. If one of these genes shows up there, your doctor may suggest a germline test on a skin sample to find out which it is.
How are these faults inherited?
One faulty copy is enough to raise risk, and it can come from either parent. Each child of a carrier has a one in two chance of inheriting it. Sons and daughters are equally likely to inherit it.
Which of the four is most common?
DDX41 is found most often, partly because it is now included on many adult leukaemia panels. The others are rarer. All four are uncommon compared with better-known genes such as BRCA1 and BRCA2.
Can a child be affected?
Yes, for some of these genes. CEBPA leukaemia can start in childhood or young adult life, and ETV6 and ANKRD26 cause low platelets from birth. DDX41 problems usually appear in adults. Your counsellor will explain what applies to your family.
Do carriers have other health problems?
Mostly the effects stay within the blood. ETV6 and ANKRD26 carriers may bruise easily or bleed more after procedures. Your haematologist will tell you whether anything else needs watching for your gene.
Does a fault change how leukaemia is treated?
It can. The clearest change is that a relative who carries the same fault should not donate stem cells. Your leukaemia team will explain any other ways the result shapes the plan.
Is testing for these genes available in Hyderabad?
Yes. They are included on inherited blood cancer panels offered by laboratories in India. The more important step is counselling before and after the test, so the result is read correctly for your family.
Should my whole family be tested?
Only once the fault is confirmed as inherited in one person. After that, close blood relatives can be tested for that exact fault. Relatives by marriage cannot inherit it and do not need testing.
Your Specialists
Meet CION's oncologists. Bring your family history or genetic report to them.
Our medical oncologists see people with a strong family history of cancer, arrange genetic counselling and testing where it fits, and plan the checks that follow.
Medical Oncologist
Dr. C. Raghavendra Reddy
MBBS(Gold Medal), DNB(General Medicine), DM(Medical Oncology)(Gold Medal)
Medical Oncologist
Dr. Bharati Devi Gorantla
MBBS, MD(General Medicine), DM(Medical Oncology)(Adyar,Chennai), ECMO, MRCP SCE(UK)
Medical Oncologist
Dr. Owais Mohammed
MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
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Sources
- MedlinePlus Genetics — CEBPA gene
- MedlinePlus Genetics — ETV6 gene
- MedlinePlus Genetics — ANKRD26 gene
- GeneReviews (NCBI) — CEBPA-Associated Familial Acute Myeloid Leukemia (AML)
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
Keep reading
Related pages
CEBPA, DDX41, ETV6 and ANKRD26: which cancers and what riskWhat a fault means for your own riskWhy adult-onset leukaemia can still be inheritedThe DDX41 story, told properlyHereditary myeloid malignancy predispositionThe wider group these genes belong toTesting the family for CEBPA, DDX41, ETV6 and ANKRD26Who else should be tested, and in what order
Talk to us
Has one of these genes appeared on a report?
Bring the report to a haematologist and genetic counsellor who can tell you whether the change is inherited and what it means. We can arrange both, in Telugu if you prefer. One helpline serves every CION centre.