AGTR2 Gene

Angiotensin II Receptor Type 2 (AGTR2) is a gene involved in renin-angiotensin protective signaling that has been studied in relation to immune function, metabolism, and chronic illness. Variants in AGTR2 may influence how the body responds to infection, inflammation, and long-term recovery.

This page is for educational and informational purposes only. Not a diagnostic tool. Always consult a qualified healthcare provider.

What is the AGTR2 gene?

AGTR2 encodes angiotensin ii receptor type 2, a protein involved in renin-angiotensin protective signaling. It belongs to the Autonomic category and is part of the Autonomic Nervous System biological cluster. AGTR2 encodes angiotensin II receptor type 2, which counteracts AGTR1 effects and has vasodilatory and anti-inflammatory functions.

Biological role and pathway

AGTR2 is involved in the renin-angiotensin protective signaling pathway, which plays a central role in regulating physiological processes relevant to immune defence, cellular energy, and systemic homeostasis. Genes within the Autonomic Nervous System cluster work together to maintain balanced function across interconnected biological systems.

Variants in genes within this pathway may influence an individual's predisposition to altered function in these systems — particularly under conditions of physiological stress such as viral infection or prolonged illness.

AGTR2 and Long COVID / ME-CFS research

AGTR2 may provide a protective counter-regulatory axis in Long COVID when AGTR1 is overactivated due to reduced ACE2 activity.

This information is based on published research and does not constitute medical advice. See references below.

Known genetic variants

The following variants (SNPs) in the AGTR2 gene have been studied in relation to autonomic and chronic illness. Each variant represents a single nucleotide position where individuals may carry different alleles.

Conditions studied in relation to AGTR2

Research into AGTR2 variants has explored associations with the following conditions. These are areas of scientific investigation and do not imply that AGTR2 causes or treats any condition.

Genetic insights from DNA data

Consumer DNA files from 23andMe, AncestryDNA, and MyHeritage contain raw SNP data. When you upload your file to ChronicDNA, the analysis engine checks your genotype against a curated panel of 80+ genes selected for their relevance to Long COVID, ME/CFS, and connected biological pathways - some of which may include AGTR2 and related genes in the autonomic nervous system pathway.

The report is educational - it explains which variants you carry, what the research says about them, and how they fit into the biological pathways most relevant to chronic illness. Results are presented in plain English with appropriate scientific context, no medical jargon, no scare tactics. All results should be discussed with a qualified healthcare provider.

Related genes in the Autonomic Nervous System pathway

AGTR2 does not act in isolation. The following genes are functionally related and may be analysed together for a more complete picture of your genetic predispositions.

Frequently asked questions

What is the AGTR2 gene and what does it do?

AGTR2 (Angiotensin II Receptor Type 2) is involved in renin-angiotensin protective signaling. AGTR2 encodes angiotensin II receptor type 2, which counteracts AGTR1 effects and has vasodilatory and anti-inflammatory functions.

How may AGTR2 gene variants relate to Long COVID or ME/CFS?

AGTR2 may provide a protective counter-regulatory axis in Long COVID when AGTR1 is overactivated due to reduced ACE2 activity.

Can a DNA test reveal information about my AGTR2 gene?

Consumer DNA data from 23andMe, AncestryDNA, and MyHeritage includes SNP variants for many genes. ChronicDNA analyses your raw DNA file and reports on variants that have been studied in relation to chronic illness, immune function, and metabolism. This is not a diagnostic service — results are informational and educational only.

Explore your AGTR2 genetic insights

Upload your DNA data from 23andMe, AncestryDNA, or MyHeritage and receive a personalised report covering >80 genes relevant to Long COVID and ME/CFS.

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Informational and educational only · Not a diagnostic tool · GDPR compliant

References

The following publications were used in compiling the research context for AGTR2. This is not an exhaustive literature review.

  • [1]PMID: 32734001
  • [2]Nature Genetics
  • [3]Journal of Clinical Investigation