MIR137HG rs10889357: What Your Genotype Means
The genetic variant rs10889357 is a single nucleotide polymorphism located within the MIR137 host gene (MIR137HG) on chromosome 1. Large-scale genome-wide association studies have identified this non-coding variant as a statistical marker linked to susceptibility to schizophrenia. However, carrying an associated allele conveys only a subtle shift in relative risk rather than determining a clinical diagnosis.
What each genotype means
Typical genetic risk profile
This genotype represents the more common version of this variant found in many populations. Research indicates that this specific variant is located within the MIR137 host gene, which has been identified in large-scale studies as a region associated with schizophrenia susceptibility. Having this genotype does not mean you will develop a condition, as schizophrenia is a complex trait influenced by many genetic and environmental factors.
This is the most common genotype in many European populations.
Increased schizophrenia risk association
This genotype includes one copy of the variant allele that has been statistically linked to an increased risk of schizophrenia in genome-wide association studies. Because this is a complex genetic association, it is only one of many factors that contribute to overall health and does not serve as a diagnostic tool. Please consult with a healthcare professional if you have concerns about your mental health or family history.
This heterozygous genotype is found in a significant portion of the population, occurring in roughly 1 in 2 to 1 in 3 individuals of European ancestry.
Elevated schizophrenia risk association
This genotype consists of two copies of the variant allele, which has been associated with a higher statistical risk for schizophrenia in large-scale research studies. While this variant is a known marker in the MIR137 gene, it is not a definitive predictor of disease, as mental health outcomes are determined by a wide range of genetic and environmental influences. You should discuss any concerns regarding your health or family history with a qualified clinician.
This genotype is less common than the others, appearing in approximately 1 in 10 to 1 in 20 individuals of European ancestry.
What is rs10889357 and Where Is It Located?
The variant rs10889357 is a common single nucleotide polymorphism (SNP) situated on the short arm of chromosome 1 within the MIR137HG sequence. It represents an exchange between cytosine (C) and thymine (T) alleles. Because rs10889357 is located in a non-coding region of the genome, it does not directly alter an amino acid sequence in a protein. Instead, variants in this region are believed to serve as regulatory markers or proxy tags that reflect genetic variation influencing the transcription of nearby non-coding regulatory RNAs. Databases such as dbSNP and Ensembl catalogue rs10889357 as an intronic and intergenic genomic landmark that has been evaluated extensively across psychiatric genetics cohorts.
The Biological Role of MIR137 and MIR137HG
MIR137HG serves as the primary host gene for microRNA-137 (miR-137), an essential short non-coding RNA molecule that regulates post-transcriptional gene expression in the central nervous system. In neurobiology, miR-137 plays a pivotal role in orchestrating neurogenesis, neuronal maturation, dendritic development, and synaptic transmission. By fine-tuning the translation of hundreds of downstream target genes—many of which are themselves implicated in synaptic plasticity and neurodevelopmental pathways—variations within the MIR137HG locus can subtly alter neurodevelopmental signaling cascades, offering a biological basis for why this genomic region repeatedly surfaces in neuropsychiatric research.
Research Associations and Scientific Evidence
Genome-wide association studies (GWAS), notably those spearheaded by the Psychiatric Genomics Consortium (PGC), have consistently pinpointed the MIR137HG locus as one of the strongest common-variant signals associated with schizophrenia susceptibility. However, the direct clinical evidence for rs10889357 itself is categorized as limited because it is primarily an associative marker rather than a proven functional mutation. The odds ratios associated with individual common alleles at this locus are very modest (typically around 1.05 to 1.15), indicating that the variant contributes only a tiny fraction to an individual's overall polygenic liability. Complex psychiatric traits involve thousands of genetic loci interacting alongside environmental factors.
How Common Is rs10889357 Across Populations?
According to population databases such as gnomAD and the 1000 Genomes Project, rs10889357 is a common genetic variant with substantial frequency differences across worldwide ancestries. In individuals of European descent, the minor allele frequency typically ranges between 0.20 and 0.30, meaning that heterozygous and homozygous alternate genotypes are frequently encountered in healthy populations. Conversely, allele frequencies can differ significantly in East Asian, African, and Indigenous American cohorts. Because allele frequencies vary by ancestry, association results from predominantly European discovery cohorts cannot be uniformly applied across all demographic backgrounds without prospective multi-ancestry validation.
What You Can and Cannot Do With This Information
Discovering your rs10889357 genotype provides educational insight into your genetic heritage and personal participation in polygenic trait variation, but it has no standalone diagnostic utility. A higher-attention genotype does not cause schizophrenia, nor does a neutral genotype confer immunity against psychiatric conditions. Complex mental health conditions arise from intricate combinations of polygenic background, neurodevelopmental events, and environmental influences. Genetic testing for common non-coding SNPs like rs10889357 should never be used to initiate, alter, or discontinue any medical treatment. Any concerns regarding mental health or genetic risk should be discussed with a qualified physician or genetic counselor.
How common is this variant?
The variant is common across diverse global ancestries, exhibiting a minor allele frequency of approximately 0.20 to 0.30 in European cohorts within gnomAD and the 1000 Genomes Project, while showing varying distributions in other ancestral populations.
Frequently asked questions
Does carrying the risk allele at rs10889357 mean I will develop schizophrenia?
No. The rs10889357 variant confers only a very small statistical shift in relative risk, not a certainty of disease. Schizophrenia is a polygenic condition influenced by thousands of genetic variants alongside environmental and developmental factors, and millions of healthy individuals carry this variant.
What is the function of the MIR137HG gene?
MIR137HG produces a non-coding RNA that serves as the precursor for microRNA-137 (miR-137). This regulatory microRNA helps control the expression of hundreds of other genes critical for brain development, synaptic signaling, and the maturation of nerve cells.
Can doctors use rs10889357 to diagnose psychiatric disorders?
No, clinical guidelines do not recommend using rs10889357 or any other single common SNP to diagnose psychiatric disorders. Clinical diagnoses are based exclusively on standardized psychiatric evaluations and clinical criteria rather than direct-to-consumer genetic markers.
Why is the evidence strength for rs10889357 described as limited?
Although the wider MIR137 locus is robustly implicated in genome-wide association studies, the specific functional mechanism of rs10889357 itself remains unproven. It is primarily considered a statistical tag or linked marker rather than an established causative mutation.
Sources & further reading
Educational information only, last refreshed 9/6/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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