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Understanding rs587776681: The PROP1 Gene Variant

rs587776681
Trait
Moderate evidence

The genetic variant rs587776681 is a rare polymorphism located within the PROP1 gene on chromosome 5. It has been documented in clinical databases as a variant associated with combined pituitary hormone deficiency.

What each genotype means

-/CTModerate attention

Pituitary hormone deficiency carrier

This genotype indicates the presence of one copy of the deletion variant in the PROP1 gene. As this variant is linked to combined pituitary hormone deficiency, carriers should consult with a clinician to understand the implications for their health.

This is a rare variant documented in clinical databases.

CT/CTLower attention

Typical PROP1 genotype

This genotype represents the presence of the CT sequence on both chromosomes at this location in the PROP1 gene. This is considered the reference or typical sequence in the context of this specific variant record.

This is the common, expected genotype for this location in the general population.

What is rs587776681?

The variant rs587776681 is a specific change in the DNA sequence located on chromosome 5 at position 177,994,297. In genomic terms, it is categorized as a short variant, specifically involving a deletion of the nucleotides CT. This variant is situated within the PROP1 gene, which provides instructions for making a protein that is essential for the development of the pituitary gland. The pituitary gland is a small, pea-sized organ located at the base of the brain that produces several important hormones. Because this variant alters the genetic code within a functional gene, it is studied for its potential impact on how the body produces these critical hormones. Geneticists track such variants to understand how small changes in our DNA can influence biological development and health outcomes.

The Role of the PROP1 Gene

The PROP1 gene encodes the Prophet of Pituitary Homeobox 1 protein. This protein acts as a transcription factor, which means it helps control the activity of other genes. During early development, the PROP1 protein is crucial for the proper formation and differentiation of cells in the pituitary gland. Specifically, it is required for the development of cells that produce growth hormone, thyroid-stimulating hormone, luteinizing hormone, follicle-stimulating hormone, and prolactin. When the PROP1 gene is altered, the pituitary gland may not develop correctly, which can lead to a deficiency in one or more of these hormones. This condition is known as combined pituitary hormone deficiency. Understanding the function of this gene is essential for researchers investigating the underlying causes of endocrine disorders.

Research and Clinical Evidence

The evidence linking rs587776681 to clinical conditions is primarily derived from clinical genetic testing and database submissions. In resources like ClinVar, this variant has been classified as pathogenic in the context of combined pituitary hormone deficiency. This classification is based on observations of the variant in individuals who exhibit symptoms of hormone deficiency. It is important to note that while the evidence is considered moderate to strong in a clinical context, the presence of a variant does not guarantee that an individual will develop a specific condition. Genetic associations are complex, and other factors, including other genetic variants and environmental influences, often play a role in the manifestation of health traits. Researchers continue to study this variant to better understand its penetrance and the range of clinical presentations associated with it.

Population Frequency

The variant rs587776681 is considered rare in the general population. Large-scale genomic databases, such as gnomAD, are used by scientists to determine how common a variant is across different ancestral groups. Because this variant is rare, it is not frequently observed in the general public, which is typical for variants that have significant clinical implications. The rarity of this variant underscores the importance of specialized genetic testing for individuals who have a family history of pituitary hormone deficiencies or who are presenting with unexplained endocrine symptoms. Population frequency data helps clinicians distinguish between common variations that are part of normal human diversity and rare variants that may be linked to specific health conditions.

What You Can Do With This Information

If you have received information about your status regarding rs587776681, it is important to approach it with a clear understanding of its limitations. This information is for educational purposes and should not be used to diagnose yourself or others. Genetic testing results can be complex and are best interpreted by a qualified healthcare professional, such as a genetic counselor or an endocrinologist. If you are concerned about your health or potential hormone deficiencies, discuss your genetic findings with your clinician. They can provide context based on your personal and family medical history, order appropriate clinical tests, and guide you through any necessary medical decisions. Never make changes to your health management or medication based solely on genetic reports without consulting a medical professional.

How common is this variant?

The variant rs587776681 is documented as rare in population databases, meaning it is not commonly found in the general population.

Frequently asked questions

Is rs587776681 a cause of disease?

The variant is associated with combined pituitary hormone deficiency in clinical literature. However, genetic associations are complex, and you should consult a medical professional to understand what this means for your specific health.

Where can I get tested for this variant?

Clinical genetic testing is typically ordered by a healthcare provider, such as an endocrinologist or a geneticist. You should discuss your concerns with your doctor to determine if testing is appropriate for your situation.

What should I do if I have this variant?

If you have been identified as a carrier of this variant, you should schedule an appointment with a genetic counselor or your primary care physician. They can help you interpret the results in the context of your overall health and family history.

Does this variant affect my hormone levels?

While the PROP1 gene is involved in hormone production, having a variant does not automatically mean you have a hormone deficiency. A doctor can perform blood tests to measure your actual hormone levels if there is a clinical concern.

Sources & further reading

Educational information only, last refreshed 10/9/2026. Not medical advice — these associations describe population statistics, not individual predictions.

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