The UTP14C gene helps make ribosomes, the cell parts that build proteins, and it is especially active in the testes during sperm production. This gene plays an important role in helping developing sperm cells grow and mature. If it does not work well, some people may produce very few sperm or no sperm, which can lead to infertility related to reduced sperm production. UTP14C is mainly discussed in fertility medicine rather than in popular culture.

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 code for proteins, which are the active parts of cells. Others mainly regulate when certain processes happen, where they take place, and how much activity occurs. Taken together, genes affect how the body grows and works, and they can also shape how you respond to food, stress, and medications. For a deeper look at this subject, you can find more information in the LearnHub.

Overview

UTP14C

Gene function

What if the gene works

The UTP14C gene helps cells make ribosomes, the structures that build proteins. It is mainly active in the testes and supports the development of sperm cells.

Risk

What if the gene does not work

In people with testes, variants in the UTP14C gene can reduce or stop sperm production, causing infertility. Milder variants may lead to low sperm counts, while more severe variants can cause no sperm in semen.

Treatment

What does that mean for your treatment

No treatment or management approach tied specifically to the UTP14C gene is currently established for people with a pathogenic variant in the UTP14C gene.

Gene function

What if the gene works

Your cells need ribosomes to make proteins, and the UTP14C gene helps with an early step in building them. This is a central part of UTP14C gene function in ribosome production. In people, it is most active in the testes, where developing sperm cells need steady protein making capacity.

Ribosome building

The UTP14C gene helps cells build the small part of ribosomes, the cell structures that make proteins. It supports early steps that turn raw ribosomal RNA into material the cell can use for assembly.

RNA trimming

Inside the nucleolus (the area where ribosomes begin to form), its protein helps prepare early ribosomal RNA by guiding key cutting and shaping steps. This makes the RNA fit for building the small working part of a ribosome.

Sperm cell support

In humans, this gene is mainly active in the testes. There, it supports developing sperm cells by helping them produce the ribosomes they need as they grow and mature.

What is a variant?

A genetic variant is a minor change in the DNA sequence within a gene. These changes are common and help shape normal human diversity, including differences in appearance, metabolism, and the way the body reacts to environmental influences. Many variants do not cause any noticeable effects and are simply part of natural genetic variation. In some situations, though, a variant can change gene function more substantially and may contribute to or cause a genetic condition.

Variant illustration

Genetic variants

What if the gene does not work

When looking at how variants in the UTP14C gene affect sperm production, the main change is often a weaker or missing protein in developing sperm cells. Milder variants may slightly reduce the protein’s stability or its ability to help build ribosomes (the cell’s protein making machinery), while more severe variants can stop the protein from being made or sharply limit its activity. That severity range can lead to milder or more marked disruption of sperm cell development.

How variants are linked to conditions

Variants in the UTP14C gene do not yet have a broadly confirmed link to a specific health condition, although research on UTP14C gene variants and health conditions is still evolving. If you have a confirmed UTP14C-related diagnosis, your doctor or genetic counselor can explain what it may mean for you.

A variant is not necessarily a diagnosis

Gene variants are a normal feature of human biology and are widely found in the general population. Most do not have a direct effect on health and simply reflect natural human diversity. For many genes, carrying a variant associated with a condition indicates a possible link rather than a definite diagnosis, especially when several genes and environmental factors contribute. In some situations, though, a single well-characterized variant in a specific gene is enough to confirm a diagnosis.

Dr. Wallerstorfer Dr. Wallerstorfer

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 UTP14C gene. Anyone with concerns about personal or family risk can talk with a doctor or genetic counselor.

Inheritance of UTP14C variants

There is not yet a broadly confirmed disease specific inheritance pattern for the UTP14C gene, so how UTP14C gene variants are inherited in relation to a defined medical condition is still being clarified. UTP14C is located on chromosome 13, which is an autosome. That means you inherit one copy of the UTP14C gene from your mother and one copy from your father.

What does my UTP14C result mean for my family?

There isn't yet a broadly confirmed inheritance pattern tied to a specific condition for UTP14C, though this understanding can change as research develops. If you have a specific UTP14C 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

If your clinician is looking for a change in the UTP14C gene, UTP14C genetic testing usually uses a blood or saliva sample to read the gene’s DNA code and look for variants. Results may show no variant, a clearly relevant variant, or a variant of uncertain significance, which means the finding is not yet fully understood.

When should I consider getting a genetic test?

There is not yet a broadly established UTP14C-specific reason for genetic testing in routine care. Testing decisions are usually based on your symptoms, especially fertility concerns, and family history, with guidance from a doctor or genetic counselor.

A genetic result is only one part of your health story

A genetic result can provide useful insight, but how much it reveals varies based on the condition and the kind of variant involved. Over time, many factors shape how the body works, including lifestyle, environment, age, and medical history. In some conditions, especially those influenced by many genes, genetic information offers context rather than certainty and is best considered alongside 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 put individual experiences into context.

Dr. Wallerstorfer Dr. Wallerstorfer

Pharmacogenetics

How variants shape your response to medicine

Genetic variation can influence how your body responds to medicines. Small inherited differences can change how a drug is absorbed, broken down, moved through the body, or how strongly it acts on its target. This is common and helps explain why the same treatment works well for one person, works less well for another, or causes more side effects in some people.

What is Pharmacogenetics?

Pharmacogenetics examines how genetic differences affect the way people respond to medications. It studies links between genes and drugs to better understand why the same treatment may work differently in different people. For many medicines, genes influence how the body processes a drug and how strongly it works. This information can support more informed, personalized treatment decisions. More detail on this topic is available in the LearnHub.


Drugs influenced by the UTP14C gene

There are 0 Drugs associated with UTP14C
Currently no available information

When should I seek medical advice?

There is not yet a broadly confirmed role for this gene in how medicines work, so questions about side effects, medication choice, or how well treatment is working are best discussed with your doctor.

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