rs200450505: Understanding This Rare Stress Response Variant
The variant rs200450505 is a rare genetic change located in an intergenic region of the human genome. It is currently being investigated for potential associations with neurobiological pathways involved in stress resilience.
What each genotype means
Common genetic baseline
This genotype represents the most frequently observed sequence at this location in the human genome. Current research does not associate this specific sequence with any known clinical outcomes or stress-related traits. It is considered the standard reference state for this intergenic region.
This is the predominant genotype found in the vast majority of the global population.
Rare variant carrier
You carry one copy of a rare variant that has been identified in genomic screens as potentially influencing neurobiological pathways related to stress resilience. Because this variant is rare and the evidence is currently limited, it is not possible to determine if this genotype has a meaningful impact on your personal stress response. Further scientific research is required to understand the functional significance of this specific genetic change.
This genotype is extremely rare, occurring in approximately 1 in 38,000 individuals based on current population databases.
Rare variant homozygous
You carry two copies of a rare variant that has been identified in genomic screens as potentially influencing neurobiological pathways related to stress resilience. The clinical significance of this genotype remains uncertain due to the limited amount of published research available. This finding should be viewed as a subject of ongoing scientific study rather than a diagnostic indicator of stress resilience or health.
This genotype is exceptionally rare, occurring in significantly fewer than 1 in 1,000,000 individuals in most studied populations.
What is rs200450505?
The identifier rs200450505 refers to a specific single nucleotide polymorphism (SNP) cataloged in international genomic databases. A SNP represents a variation at a single position in the DNA sequence among individuals. This particular variant is classified as intergenic, meaning it is located in the non-coding DNA sequences that lie between genes. While intergenic regions do not provide instructions for making proteins, they often contain regulatory elements that act as switches to control when and how genes are turned on or off. Because rs200450505 is rare, it has not been as extensively characterized as more common variants. Researchers use large-scale population databases like gnomAD to track such variants and determine their prevalence across different ancestral groups, which helps in understanding the landscape of human genetic diversity.
Research and Stress Resilience
Current research into the genetic basis of stress resilience often focuses on how variations in the genome influence the body's response to environmental challenges. While many studies have identified associations between stress-related traits and genes like FKBP5 or CRHR1, rs200450505 remains a subject of limited evidence. Genomic screens have flagged this variant as a potential candidate for further study regarding neurobiological pathways, but these findings are preliminary. It is important to distinguish between a statistical association found in a research study and a confirmed biological function. At this stage, there is no definitive evidence that rs200450505 directly causes changes in stress resilience. The scientific community continues to investigate such variants to see if they contribute to the complex, polygenic nature of how humans adapt to psychological and physical stress.
Interpreting Genetic Information
When encountering information about rare variants like rs200450505, it is essential to maintain a balanced perspective. Genetic research is an evolving field, and many associations identified in early genomic screens require replication in larger, diverse cohorts before they can be considered robust. A reader should understand that having a specific genotype for this variant does not constitute a medical diagnosis or a prediction of future health outcomes. Genetic factors are only one piece of a much larger puzzle that includes environmental, social, and lifestyle influences. If you are concerned about your stress levels or mental health, it is always best to consult with a qualified healthcare professional. They can provide personalized guidance based on your clinical history rather than relying on isolated genetic data points that lack established clinical utility.
How common is this variant?
The variant rs200450505 is very rare, with a reported population frequency of approximately 0.00001314.
Frequently asked questions
Is rs200450505 a diagnostic marker for stress?
No, rs200450505 is not a diagnostic marker. It is a rare variant identified in genomic research, and there is currently no clinical evidence to support its use in diagnosing stress-related conditions.
Where can I find more information on this SNP?
You can search for the rsID on public databases such as the NCBI dbSNP website or the gnomAD browser. These resources provide the most up-to-date frequency data and research annotations.
Does this variant affect my medication response?
There is no evidence linking rs200450505 to medication response. If you have questions about your medications, please discuss them directly with your clinician or pharmacist.
Why is the evidence for this variant considered limited?
Evidence is considered limited because the variant is rare and has not been validated in large-scale, independent clinical studies. Most current data comes from preliminary genomic screens.
Sources & further reading
Educational information only, last refreshed 10/8/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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The rare G allele of this variant is associated with a lower cortisol stress response in children.
The rare T allele of this variant is associated with a greater mean cortisol stress response in children.
A tagging SNP within the CRHR1 locus investigated for its role in moderating HPA axis activity and stress-related phenotypes.
This variant in the corticotropin-releasing hormone receptor 1 gene is associated with altered cortisol response to acute psychosocial stress.
FKBP5 variant alters glucocorticoid-receptor feedback; associated with stress-hormone regulation and resilience.
TPH2 variant affects brain serotonin synthesis; associated with emotional reactivity and stress sensitivity.