ESR1 rs34535804: Understanding Your Genetic Variant
The rs34535804 variant is a common single nucleotide polymorphism (SNP) located within the ESR1 gene. This gene encodes the estrogen receptor alpha protein, which is essential for modulating physiological responses to stress and various hormonal processes throughout the body.
What each genotype means
Typical estrogen receptor profile
This genotype represents the common version of the ESR1 variant. Research into this specific site is ongoing, and current evidence does not suggest a significant deviation from typical estrogen-mediated stress or hormonal regulation pathways for individuals with this profile.
This is a common genotype found across most global populations.
Typical estrogen receptor profile
This genotype represents a heterozygous state for the ESR1 variant. There is currently no robust clinical evidence indicating that carrying one copy of the G allele significantly alters stress response or hormonal regulation compared to the common A/A genotype.
This genotype is observed at varying frequencies globally, consistent with a common genetic polymorphism.
Typical estrogen receptor profile
This genotype represents the alternative homozygous state for this ESR1 variant. While ESR1 is critical for hormonal regulation, current scientific literature does not establish this specific genotype as a primary driver of clinical differences in stress response or disease risk.
This genotype is present in the general population, though its specific frequency varies by ancestral background.
What is rs34535804?
A single nucleotide polymorphism, or SNP, is a variation at a single position in a DNA sequence among individuals. The variant rs34535804 is located on chromosome 6 within the ESR1 gene. In the context of human genomics, this specific location is part of the complex regulatory landscape that determines how our cells respond to estrogen. Because this variant is common, it is found frequently across diverse human populations. Scientists track these variations to understand how subtle differences in our genetic code might influence biological pathways, such as how we process stress or maintain metabolic balance. It is important to note that the presence of a specific SNP does not determine a health outcome on its own, but rather serves as a piece of data that researchers use to study the broader architecture of human genetic diversity.
The Role of the ESR1 Gene
The ESR1 gene provides instructions for making a protein called estrogen receptor alpha. This protein acts as a nuclear receptor, meaning it functions as a transcription factor that binds to DNA to regulate the activity of other genes. Estrogen receptor alpha is expressed in many tissues, not just those involved in reproduction. It plays a critical role in growth, metabolism, sexual development, and gestation. Furthermore, it is deeply involved in the body's stress response systems. By interacting with estrogen and other coactivator proteins, the receptor helps the body maintain homeostasis. Because it influences such a wide array of physiological functions, variations in the ESR1 gene are frequently studied to see how they might correlate with differences in health traits, ranging from bone density and body composition to complex behavioral responses to environmental stressors.
Research and Evidence
Research into rs34535804 is categorized as having moderate evidence strength. While many SNPs in the ESR1 gene have been investigated for their potential links to various health conditions, the functional impact of this specific variant remains a subject of ongoing study. Scientific literature often explores how such variants might influence susceptibility to complex traits, but results can be inconsistent across different studies and populations. It is common in genomics for initial associations to require replication in larger, more diverse cohorts to confirm their significance. Currently, there is no consensus that this variant acts as a primary driver for any specific disease. Instead, it is viewed as a marker that may contribute to the subtle, polygenic nature of human physiological variation. Readers should be cautious of over-interpreting individual SNP data, as the interplay between genetics, environment, and lifestyle is highly complex.
Population Frequency
The rs34535804 variant is classified as a common SNP. This means that the alternative alleles are present at a significant frequency across many global populations. Because it is common, it is not considered a rare mutation, but rather a normal part of the genetic variation found within the human species. Frequency data can vary by ancestry, and researchers often look at these differences to understand the evolutionary history of the gene. In most genetic databases, you will find that the majority of individuals carry at least one copy of the common allele, while the minor allele is also present at a frequency that makes it easily detectable in large-scale genomic studies.
Interpreting Your Information
Understanding your genetic data can be an educational experience, but it is important to maintain a clear perspective on what this information means. A genetic variant like rs34535804 is just one small factor in a vast biological system. You cannot use this information to diagnose a medical condition or predict a specific health outcome. Genetic associations are statistical in nature and do not imply a direct cause-and-effect relationship for an individual. If you have concerns about your health, hormonal regulation, or stress management, the most effective approach is to consult with a qualified healthcare professional. They can provide context based on your full medical history, physical exams, and clinical testing. Never make changes to your health regimen or medication based on genetic reports without first discussing them with your doctor or a licensed pharmacist.
How common is this variant?
The rs34535804 variant is common across diverse human populations, with its specific genotype frequencies varying slightly depending on ancestral background.
Frequently asked questions
Is rs34535804 a disease-causing mutation?
No, rs34535804 is a common genetic variant, not a disease-causing mutation. It is a normal variation in the human genome that researchers study to understand how genes influence physiological traits.
Can I use this SNP to predict my stress levels?
No. While the ESR1 gene is involved in stress response, this SNP is only one of many factors. Stress is influenced by a complex combination of genetics, environment, and life experiences, and this variant cannot be used for prediction.
Should I change my diet or lifestyle based on this genotype?
You should not change your diet or lifestyle based on a single genetic variant. Always consult with a healthcare provider or a registered dietitian before making significant changes to your health routine.
Where can I find more information about ESR1?
You can find reliable information about the ESR1 gene through resources like the NCBI Gene database or MedlinePlus Genetics. These sites provide comprehensive summaries of gene functions and their roles in human health.
Sources & further reading
Educational information only, last refreshed 9/26/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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Estrogen receptor 1 regulatory variant associated with variation in timing of menarche and bone density response to sex hormones.
Regulatory variant in ESR1 linked to endometrial receptivity and altered response to ovarian stimulation.
Intronic variant in estrogen receptor 1 (ESR1) associated with age at menarche and natural menopause onset in genome-wide studies.
Estrogen receptor 1 variant associated with altered circulating estradiol levels, ovulatory response, and timing of natural menopause.
Estrogen receptor 1 missense and intronic regulatory variation associated with ovarian responsiveness and fertilization rates in assisted reproductive technology.
An estrogen receptor 1 variant linked to variation in age at natural menopause and reproductive hormone signaling.