HSA | FSA CARDS ARE NOW ACCEPTED

Last reviewed: May 12, 2026 Last updated: May 12, 2026

Written by: Jay Hastings , CEO of PlexusDx

Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations. He has more than 20 years of experience across healthcare innovation, genomics, laboratory operations, healthcare investing, and strategic finance. His work has included scaling healthcare startups, leading CLIA lab integrations, and helping expand consumer access to precision health tools.

Medically reviewed by: Jayden Lee, PharmD, EMBA

Jayden Lee, PharmD, EMBA, is the PlexusDx Medical Science Liaison with a PharmD and MBA specializing in pharmacogenomics and clinical product development, with a proven ability to bridge the gap between genomic research and practical patient outcomes. Dr. Lee has more than 10 years of professional experience in clinical pharmacy, academia, and research.

The HTR1A rs6295 Variant, the PE-22-28 Pathway, and Mood: What Your Genotype May Mean

Research on PE-22-28 focuses on how this peptide may influence brain signaling by interacting with potassium channels such as TREK-1, which help regulate how easily neurons fire. These pathways are linked to areas involved in mood, stress response, and cognition, including the hippocampus and prefrontal cortex. The HTR1A gene adds another layer by affecting serotonin signaling, which also helps shape emotional balance, stress sensitivity, and mental processing. Together, these systems highlight how neuronal excitability and serotonin communication work in concert to support healthy mood and cognitive function.

Genetic variation in the HTR1A gene may influence how efficiently the biological processes connected to PE-22-28 and Mood function. The rs6295 variant is analyzed in the PlexusDx Precision Peptide Genetic Test as part of the Mood pathway. Depending on your genotype, this variant may have a modest to meaningful influence on neurotransmitter balance, stress response regulation, and emotional resilience. Understanding your result gives you a personalized starting point for targeted lifestyle, dietary, and supplement strategies grounded in your unique biology.

Practical Foundations for Everyone

Regardless of your HTR1A rs6295 genotype, the following lifestyle inputs consistently support emotional stability, stress recovery, and mental well-being. Carriers of the effect allele often notice a stronger return on these habits when applied consistently — which makes regularity more valuable than intensity.

  • Consistent nutrition: A whole-food dietary pattern rich in vegetables, quality protein, healthy fats, and fiber provides the micronutrient foundation that supports mood-related pathways at a cellular level.
  • Regular movement: Physical activity — particularly a combination of aerobic exercise and resistance training — supports the metabolic signaling and growth factor pathways that interact with mood and biological resilience.
  • Quality sleep: Restorative sleep is essential for cellular repair, hormone regulation, and the metabolic processes that underpin mood and emotional health. Consistent sleep timing amplifies the benefits of other lifestyle habits.
  • Stress management: Chronic stress elevates cortisol and inflammatory markers that can blunt the efficiency of pathways related to mood. A daily stress-reduction practice — even five to ten minutes of slow breathing or mindfulness — helps maintain biological balance.

Diet Recommendations for HTR1A rs6295 and the PE-22-28 Pathway

A targeted nutritional approach for the HTR1A rs6295 variant focuses on supplying the micronutrients and macronutrient balance that support neurotransmitter balance, stress response regulation, and emotional resilience and reduce the metabolic burden on pathways connected to PE-22-28. Priority nutrients vary by pathway but consistently center on anti-inflammatory whole foods, adequate protein for cellular and tissue support, and micronutrient density from colorful produce and quality fats.

The Brain Health Support Diet is designed to support this pathway. Our Brain Health Support Program was developed using the MIND diet framework, which is a combination of the Mediterranean and DASH eating patterns. The MIND diet has been attributed to improved cognitive thinking and slowing the progression of neurodegenerative disorders like Alz...

Build meals around quality protein sources (fish, poultry, legumes, eggs), fiber-rich carbohydrates (vegetables, whole grains, legumes), and healthy fats (olive oil, avocado, nuts, seeds). Minimize ultra-processed foods, excessive added sugars, and alcohol — all of which increase oxidative and inflammatory burden on pathways that interact with mood and PE-22-28-related signaling.

Supplement Considerations for HTR1A rs6295 Support

Supplements cannot modify your HTR1A rs6295 genotype, but targeted supplementation can address nutritional gaps and support the biological pathways connected to PE-22-28 and mood and emotional health. A foundations-first approach — prioritizing the basics before adding specialty products — produces the most consistent outcomes. Always discuss supplementation with your healthcare provider before starting, especially if you take medications or manage ongoing health conditions.

The PlexusDx Brain Health Support is a personalized daily pack designed to support this pathway. PlexusDx Brain Health Support Personalized Daily Packs combine Lion’s Mane, Theanine, and a Methyl B-Complex to support focus, mental clarity, and overall brain health. This convenient daily pack helps promote calm alertness and supports energy and neurotransmitter function to ke...

Key nutrients commonly relevant to the Mood pathway include those that support neurotransmitter balance, stress response regulation, and emotional resilience. Assess dietary gaps first; targeted supplementation is most valuable when it addresses a specific nutritional shortfall confirmed by food tracking or lab results rather than used as a substitute for consistent lifestyle habits.

Lifestyle Recommendations for Mood and PE-22-28 Pathway Support

Consistent lifestyle habits are the most durable and evidence-supported way to reinforce the biological pathways associated with PE-22-28 and mood and emotional health. For carriers of the HTR1A rs6295 effect allele, these habits tend to produce a more noticeable return because they directly influence the signaling environments where the variant has its greatest impact.

A practical weekly target is 150 minutes or more of moderate aerobic activity combined with two to three resistance training sessions. Sleep consistency — a fixed wake time, morning outdoor light, and a 60 to 90 minute wind-down before bed — supports cellular recovery and the hormonal balance that underpins mood and emotional health. Stress management practices such as slow breathing, mindfulness, or low-stimulation outdoor time help maintain the biological stability that PE-22-28-related pathways depend on for efficient function. Avoiding chronic sleep debt, late-day caffeine, and excessive alcohol further removes common suppressors of mood-related signaling.

Genetic Interpretations for rs6295 (HTR1A)

2 Effect Alleles: CC (+/+)

You have the CC genotype for rs6295, which means you carry two copies of the effect allele in the HTR1A gene. This variation has been associated with differences in serotonin 1A receptor expression that may influence how neurons respond to serotonin signaling within brain regions involved in mood regulation and stress processing. Some studies suggest that this variant can alter the balance between presynaptic autoreceptor activity and postsynaptic receptor signaling, which may affect serotonin availability and neural responsiveness to stress-related stimuli. Because the PE-22-28 pathway influences neuronal excitability through modulation of TREK-1 potassium channels, the efficiency of serotonin receptor signaling becomes particularly relevant for maintaining stable neural communication within mood- and cognition-related circuits. When neuronal firing patterns and serotonin signaling are well balanced, brain regions such as the hippocampus and prefrontal cortex can maintain adaptive responses to stress and support cognitive clarity. Individuals with this genotype may benefit from lifestyle strategies that reinforce serotonergic balance and neural resilience. Regular aerobic exercise has been shown to enhance serotonin signaling and support neuroplasticity. Nutritional strategies that support serotonin metabolism include diets containing adequate protein sources that provide tryptophan—the precursor to serotonin—along with complex carbohydrates that help facilitate tryptophan transport into the brain. Nutrients commonly associated with serotonin synthesis and neural signaling include vitamin B6, magnesium, omega-3 fatty acids, vitamin D, and tryptophan-rich foods such as eggs, poultry, dairy, nuts, and seeds, which may help support neurotransmitter balance and emotional resilience. Consistent sleep schedules, exposure to natural daylight, and stress-management practices may further help stabilize neural circuits involved in mood and cognition.

1 Effect Allele: CG (+/-)

You have the CG genotype for rs6295, which means you carry one copy of the effect allele and one copy of the non-effect allele. This intermediate genotype may be associated with moderately altered serotonin 1A receptor signaling compared with the general population. Because the HTR1A receptor plays a key role in regulating serotonin activity in the brain, this genetic profile may produce balanced serotonergic signaling that can be influenced by lifestyle and environmental factors. Within the context of the PE-22-28 pathway, which affects neuronal firing patterns through TREK-1 channel modulation, balanced serotonin receptor activity helps maintain stable communication between neural circuits involved in mood regulation and cognitive processing. Individuals with this genotype may therefore experience neural signaling patterns that are responsive to factors such as sleep quality, stress exposure, and dietary habits. Lifestyle strategies that reinforce serotonergic balance include regular physical activity, maintaining consistent sleep–wake cycles, and ensuring sufficient exposure to daylight to help synchronize circadian rhythms. Nutritional patterns emphasizing whole foods—such as vegetables, fruits, whole grains, legumes, nuts, seeds, and healthy fats—may support neurotransmitter metabolism and overall brain health. Nutrients commonly associated with serotonin signaling and neural resilience include magnesium, omega-3 fatty acids, vitamin D, B-complex vitamins, and polyphenol-rich foods such as berries and green tea, which help support neuronal communication and antioxidant defense. Practices that reduce chronic stress, such as mindfulness meditation or relaxation breathing, may further help maintain balanced mood-regulation pathways.

0 Effect Alleles: GG (-/-)

You have the GG genotype for rs6295, which means you carry two copies of the non-effect allele. This genotype is generally associated with typical serotonin 1A receptor signaling patterns observed across the general population. Because the HTR1A receptor helps regulate serotonin activity in brain regions responsible for mood, emotional processing, and cognitive flexibility, typical receptor function supports balanced serotonergic signaling and stable neuronal communication. In the context of the PE-22-28 pathway, which modulates neuronal excitability through TREK-1 potassium channel activity, having typical serotonin receptor signaling suggests that the broader neural networks supporting emotional regulation and cognitive function likely operate within a normal physiological range. Even with typical genetic signaling, environmental and lifestyle factors remain important determinants of neurotransmitter balance and brain health. Nutritional strategies that support healthy serotonin and neuronal signaling include diets rich in whole foods, omega-3 fatty acids, antioxidants, and phytonutrients from vegetables, fruits, nuts, seeds, and healthy fats. Nutrients frequently studied in relation to brain health and mood regulation include tryptophan, magnesium, vitamin B6, vitamin D, omega-3 DHA, and polyphenols, which help support neurotransmitter synthesis and neural metabolism. Maintaining consistent sleep routines, engaging in regular physical activity, and participating in cognitively stimulating activities may further reinforce neural pathways that support emotional balance and cognitive performance.

Inconclusive — No Result

Your genetic data for rs6295, a HTR1A gene variant, was not successfully called by the laboratory. This means the test did not detect a reliable result for this position, which can occur for technical reasons such as low signal intensity, DNA quality issues, or limitations of the genotyping array. Without a result, we cannot determine whether you carry the typical or effect variant for this gene. If this information is important for your health decisions, you may wish to consider retesting or confirming this variant through a targeted genetic test or sequencing method.

When to Talk to Your Healthcare Provider

If you have concerns related to mood, the PE-22-28 pathway, or how your HTR1A rs6295 results fit into your broader health picture, consult your healthcare provider. They can interpret your genetic results alongside your symptoms, health history, and lab values to guide appropriate testing, dietary adjustments, and supplementation where relevant.

PlexusDx provides genetic insights to help you understand how your genes may influence nutrient needs and biological pathways. This information is provided for educational and wellness purposes only and does not diagnose, treat, or recommend any specific medication, peptide, or therapy, some of which may be prescription-only, investigational, or intended for research use only. Always consult with a qualified healthcare provider before making changes to your supplement regimen, diet, or health plan based on genetic information.

Frequently Asked Questions About HTR1A rs6295 and PE-22-28

What does the HTR1A rs6295 variant mean for my mood and emotional health?

The rs6295 variant in the HTR1A gene may influence how efficiently biological processes connected to PE-22-28 and Mood function in your body. Depending on your genotype, this can have a modest to meaningful effect on neurotransmitter balance, stress response regulation, and emotional resilience. Understanding your result gives you a personalized starting point for a targeted lifestyle and nutrition strategy grounded in your unique genetic biology.

How does the PE-22-28 pathway relate to HTR1A and mood and emotional health?

PE-22-28 is a peptide being studied for its potential role in supporting emotional stability, stress recovery, and mental well-being. Researchers are interested in how PE-22-28-associated pathways may interact with genes like HTR1A, which contribute to the signaling environments that influence mood function. The PlexusDx Precision Peptide Genetic Test analyzes 14 pathways, 49 peptides, and 150 genetic insights — including HTR1A rs6295 — to provide a comprehensive view of how your genetics may influence these interconnected systems.

Can lifestyle changes support HTR1A function regardless of my genotype?

Yes. Consistent lifestyle habits — regular exercise, quality sleep, anti-inflammatory nutrition, and stress management — support mood-related biological pathways across all genotypes. For carriers of the effect allele at rs6295, these habits tend to produce a stronger measurable return because they directly reinforce the signaling environments where this variant has its greatest influence. Consistency and habit stacking — combining exercise, sleep, and nutrition improvements together — tends to produce better outcomes than any single change in isolation.

What tests can help me learn more about my mood and emotional health and the PE-22-28 pathway?

The PlexusDx Precision Peptide Genetic Test analyzes 14 pathways, 49 peptides, and 150 genetic insights — including HTR1A rs6295 — to deliver a comprehensive picture of how your genetics may influence peptide-related health pathways. The Peptide Pathways Report translates your results into personalized, actionable guidance. Your healthcare provider can also recommend targeted blood tests based on your specific pathway results and health history to complement your genetic insights with current biomarker data.

If this genetic variant is present in your PlexusDx results, the following tests and reports are commonly used to explore it further:

🧬 Genetic Tests:

📄 Genetic Report:

Medical and Editorial Standards

Medical review process: This article was reviewed for medical accuracy, scientific clarity, evidence alignment, and appropriate discussion of genetics, medications, supplements, biomarkers, and health-related claims.

Sources and evidence: PlexusDx educational content is developed using peer-reviewed research, clinical literature, reputable medical references, and, where applicable, public health or regulatory guidance. References are included at the end of the article when scientific, medical, or health-related claims are discussed.

Commercial transparency: PlexusDx offers genetic testing, blood biomarker testing, personalized supplement recommendations, and related precision wellness services. Product mentions are intended to help readers understand available options and should not be interpreted as medical advice.

Important disclaimer: PlexusDx educational content is for informational purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about medications, supplements, genetic testing, lab testing, or health-related care.