BMPR2 rs1085307150: Understanding Genetic Risk for PAH
The rs1085307150 variant is a rare genetic change located within the BMPR2 gene. It is associated with an increased risk of developing primary pulmonary hypertension, a condition characterized by high blood pressure in the arteries of the lungs.
What each genotype means
Typical BMPR2 genotype
This genotype represents the most common sequence found in the general population for this location in the BMPR2 gene. It is not associated with the increased risk of pulmonary arterial hypertension linked to pathogenic variants in this gene.
This is the most common genotype observed across all global populations.
Increased pulmonary hypertension risk
This genotype includes one copy of a variant that has been identified as pathogenic in the BMPR2 gene. Research indicates that such variants are associated with an increased risk of developing hereditary pulmonary arterial hypertension, though penetrance can be incomplete. Please consult with a medical professional or genetic counselor to discuss these findings in the context of your personal and family health history.
This specific genotype is rare and is not commonly found in the general population.
Increased pulmonary hypertension risk
This genotype includes two copies of a variant identified as pathogenic in the BMPR2 gene. Pathogenic variants in this gene are the most common genetic cause of hereditary pulmonary arterial hypertension. You should discuss these results with a healthcare provider or genetic specialist to understand the clinical implications and appropriate follow-up.
This genotype is extremely rare in the general population.
What is the rs1085307150 Variant?
The rs1085307150 variant is a specific alteration in the DNA sequence of the BMPR2 gene. In genomics, an rsID (reference SNP cluster ID) acts as a unique identifier for a specific location in the human genome. This particular variant is classified as rare, meaning it is found in a very small percentage of the general population. It sits within the coding region of the BMPR2 gene, which provides instructions for building a protein that plays a critical role in cell signaling. Because this variant is located in a gene essential for maintaining the health of blood vessel walls, researchers study it to understand how genetic changes can predispose individuals to vascular diseases. It is important to note that identifying this variant does not mean an individual will develop a disease, as many factors contribute to health outcomes.
The Role of the BMPR2 Gene
The BMPR2 gene encodes the bone morphogenetic protein receptor type II, which is a transmembrane receptor belonging to the TGF-beta superfamily. This receptor is vital for regulating cell growth, differentiation, and apoptosis, particularly within the cells that line the pulmonary arteries. When the BMPR2 protein functions correctly, it helps maintain the structural integrity and proper function of these blood vessels. Mutations in this gene can lead to haploinsufficiency, a state where the body does not produce enough functional protein to maintain normal cellular signaling. This disruption is a well-documented mechanism in the development of pulmonary arterial hypertension. By affecting how cells communicate and respond to their environment, defects in this gene can lead to the thickening and narrowing of the pulmonary arteries, which forces the heart to work harder to pump blood through the lungs.
Research and Clinical Associations
Scientific research has established a strong link between pathogenic variants in the BMPR2 gene and heritable pulmonary arterial hypertension. While many variants in this gene have been identified, the evidence for specific rare variants like rs1085307150 is often categorized as moderate, requiring careful clinical interpretation. Studies indicate that while these mutations are a primary genetic cause of the condition, the penetrance is incomplete. This means that only a small fraction of individuals who carry a pathogenic BMPR2 variant will actually develop clinical symptoms of pulmonary hypertension during their lifetime. This suggests that the development of the disease likely requires a 'second hit,' which could involve additional genetic factors or environmental triggers. Consequently, the presence of this variant is considered a risk factor rather than a definitive diagnostic indicator for the disease.
Managing Genetic Information
Understanding your genetic profile regarding rare variants like rs1085307150 should be done in consultation with a qualified healthcare professional or a genetic counselor. Because this variant is associated with a complex condition, it is essential to avoid self-diagnosis or making medical decisions based solely on genetic test results. A clinician can help place this information into the context of your personal and family medical history. If you have concerns about pulmonary health or a family history of hypertension, a specialist can provide appropriate screening and monitoring. Genetic information is a tool for awareness, but it does not replace clinical evaluation, physical examinations, or diagnostic testing. Always discuss any findings from genetic reports with your doctor to determine if further investigation or specialized care is necessary for your specific health situation.
How common is this variant?
The rs1085307150 variant is considered rare in the general population, appearing at a very low frequency across most ancestral groups.
Frequently asked questions
Does having this variant mean I have pulmonary hypertension?
No, having this variant does not mean you have the condition. The penetrance of BMPR2 variants is incomplete, meaning most people who carry such variants never develop the disease.
What should I do if I find this variant in my report?
You should discuss the finding with a genetic counselor or a healthcare provider. They can help you understand the clinical significance of the result in the context of your personal health history.
Is this variant the only cause of pulmonary hypertension?
No, pulmonary hypertension can be caused by many different factors, including other genetic mutations, environmental triggers, and underlying health conditions. BMPR2 mutations are just one of several known genetic contributors.
Can I prevent the disease if I have this variant?
While you cannot change your genetics, maintaining overall cardiovascular health and discussing your risk with a specialist can help you stay informed. Early detection through regular medical check-ups is the best approach for managing potential health risks.
Sources & further reading
Educational information only, last refreshed 10/16/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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This pathogenic variant in the BMPR2 gene is associated with a predisposition to primary pulmonary hypertension.
This pathogenic variant in the BMPR2 gene is linked to the development of primary pulmonary arterial hypertension.