The ARHGAP27 gene helps cells control their shape and movement by turning down signals that guide the cell’s internal support system. This gene plays an important role in moving small packets of material inside cells and keeping cell surfaces organized. If it does not work properly, these processes may become less controlled, which can affect how tissues develop and work.

What is a gene?

Genes are sections of DNA that give cells instructions for making molecules or regulating processes in the body. Some genes provide the code for proteins, which are the active components of cells. Others mainly control when certain processes happen, where they take place, and how strongly they run. Together, genes affect how the body develops and works, and they can influence how you respond to food, stress, or medications. For a deeper look at this topic, you can learn more in the LearnHub.

Overview

ARHGAP27

Gene function

What if the gene works

The ARHGAP27 gene helps cells control their shape and movement. Its protein helps organize the cell’s internal scaffolding and the recycling of materials from the cell surface.

Risk

What if the gene does not work

Changes in the ARHGAP27 gene can weaken how cells control their internal support framework and membrane traffic. Milder variants may partly reduce this control, while more severe variants can disrupt these cell processes more strongly.

Treatment

What does that mean for your treatment

No ARHGAP27-specific treatment or drug selection approach is currently established, so care is based on the person’s symptoms and usual clinical management.

Gene function

What if the gene works

Understanding what the ARHGAP27 gene does in the body starts with cell shape and cell traffic. Inside your cells, it helps control small molecular switches that guide the inner framework and the cell surface. When this process runs normally, cells can adjust their shape, handle incoming material, and keep internal movement organized.

Signal timing

The ARHGAP27 gene helps switch off small cell signals, including RAC1 and CDC42, after they have acted. This keeps signaling brief and controlled, so cells can respond without staying stuck in the same state.

Cell shape

Its protein helps organize actin, the cell’s flexible inner framework that lets a cell change shape. This supports everyday tasks such as spreading, forming edges, and making controlled surface movements.

Membrane intake

ARHGAP27 also supports endocytosis, the process cells use to bring material in from their surface. This helps with membrane recycling and keeps the movement of cargo inside the cell orderly.

What is a variant?

A genetic variant is a minor difference in the DNA sequence of a gene. These differences are common and help shape normal human diversity, including variation in appearance, metabolism, and how the body reacts to environmental influences. Many variants do not cause any noticeable effect and are simply part of natural genetic variation. At times, though, a variant can change how a gene works more significantly and may contribute to or cause a genetic condition.

Variant illustration

Genetic variants

What if the gene does not work

ARHGAP27 gene variants can affect protein function by changing the protein’s shape, stability, or ability to interact with its usual partners inside the cell. More disruptive variants may greatly reduce or abolish its signaling control, while milder variants may leave some activity in place. Depending on the change, cells may show less precise regulation of the internal scaffolding that helps organize cell shape and movement.

How variants are linked to conditions

Right now, the ARHGAP27 gene does not yet have a broadly confirmed link to a specific health condition, so information on how ARHGAP27 variants are linked to conditions is still evolving. Anyone with a reported variant in the ARHGAP27 gene should use their own test report and guidance from their doctor or genetic counselor to understand what it may mean for them.

A variant is not necessarily a diagnosis

Gene variants are a normal feature of human biology and are common across the general population. Most do not have a direct effect on health and simply represent natural human variation. For many genes, carrying a variant associated with a condition suggests a possible link rather than a certain diagnosis, especially when several genes and environmental factors contribute. In some situations, though, a single well-established variant in a specific gene can be enough to confirm a diagnosis.

Dr. Wallerstorfer Dr. Wallerstorfer

Are there things that can increase or change my risk?

There isn't yet broadly confirmed evidence on specific factors that increase or reduce health risk related to the ARHGAP27 gene. Anyone with concerns about personal or family risk can talk with a doctor or genetic counselor.

Inheritance of ARHGAP27 variants

There is not yet a broadly confirmed, disease-specific Mendelian ARHGAP27 inheritance pattern in routine human genetics, so the ARHGAP27 inheritance pattern is still being clarified as research develops. The ARHGAP27 gene is located on chromosome 17, which is an autosome. That means each person inherits one copy from each parent.

What does my ARHGAP27 result mean for my family?

There is not yet a broadly confirmed inheritance pattern tied to a specific condition for ARHGAP27. Understanding of this gene may become clearer as research develops. If you have a specific ARHGAP27 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 health and family history.


Genetic information


Genetic testing

How you find out about variants

Genetic testing for ARHGAP27 variants uses a blood, saliva, or cheek swab sample. A lab reads the ARHGAP27 gene and compares it with a reference sequence to look for changes. Results may show a known variant, no relevant variant, or a variant with unclear health meaning.

When should I consider getting a genetic test?

There isn't yet a broadly established, ARHGAP27-specific clinical reason for testing. Decisions about testing are best made with a doctor or genetic counselor, based on your symptoms and family history.

A genetic result is only one part of your health story

Genetic test results can be informative, but how much they reveal varies based on the condition and the specific type of variant. Over time, factors like lifestyle, environment, age, and medical history also shape how the body works. For some conditions, especially those influenced by many genes, genetic information provides context rather than certainty and is most useful when viewed alongside other parts of care. In other situations, a genetic result can offer a clear answer. In areas like medication response, genetic results may also help put personal experiences into context.

Dr. Wallerstorfer Dr. Wallerstorfer

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 absorbs, breaks down, transports, or responds to a drug, so the same treatment may work well for one person but less well for another. These differences are common and can influence both benefit and the chance of side effects or extra sensitivity to a medication.

What is Pharmacogenetics?

Pharmacogenetics examines how genetic variation affects the way people respond to medicines. It studies links between genes and medications to clarify why the same treatment can work differently in different people. For many drugs, genes influence how powerfully a medicine works or how the body handles it. This information can support more informed, more personalized treatment decisions. More detail on this subject is available in the LearnHub.


Drugs influenced by the ARHGAP27 gene

There are 0 Drugs associated with ARHGAP27
Currently no available information

When should I seek medical advice?

There is not yet a broadly confirmed role for this gene in guiding how medicines are chosen or how well they work, so general concerns about symptoms, side effects, or treatment changes are best discussed with your doctor or pharmacist.

DISCLAIMER: The materials present on Genopedia.com, such as text, images, graphics, among other items (“Content”), are shared purely for informational reasons. This content should not replace professional health advice, medical diagnoses, or treatment procedures. Whenever you have health concerns or questions, it’s always recommended to engage with your doctor or another appropriate healthcare provider. If you read something on the Genopedia.com site, do not neglect professional medical counsel or delay in obtaining it. In case you believe you’re dealing with a medical crisis, get in touch with your medical professional or call emergency without delay. Genopedia.com doesn’t advocate for any particular medical tests, healthcare providers, products, methods, beliefs, or other data that could be discussed on the site. Please also note that the content, originally written in English and in part created with the help of artificial intelligence, is provided without any warranty, and any reliance on information offered by Genopedia.com, its staff, contributors invited by Genopedia.com, or site users is entirely at your own risk.
Genopedia © 2026 all rights reserved