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ACADS rs1057516685: Understanding This Rare Genetic Variant

rs1057516685
Reproductive
Moderate evidenceGene: ACADS

The rs1057516685 variant is a rare genetic change located within the ACADS gene, which provides instructions for an enzyme essential to energy production. Research associates variations in this gene with metabolic conditions that may influence reproductive health and development.

What each genotype means

-/TLower attention

Carrier status

You carry one copy of the T allele at this position. While this variant is located in the ACADS gene, which is involved in fatty acid metabolism, there is currently limited evidence to suggest that carrying a single copy of this specific variant significantly impacts reproductive health or metabolic function.

This genotype is rare in the general population.

T/TModerate attention

Variant carrier profile

You carry two copies of the T allele at this position. While this variant is cataloged within the ACADS gene, its clinical significance remains under investigation, and it is not currently classified as a primary cause of SCAD deficiency. You should discuss any concerns regarding metabolic health or reproductive development with a qualified healthcare provider.

This genotype is rare and observed infrequently across most studied populations.

What is rs1057516685?

The rs1057516685 variant is a specific genetic marker located on chromosome 12 within the ACADS gene. In genomics, an rsID (reference SNP cluster ID) acts as a unique identifier for a specific location in the human genome where a single nucleotide polymorphism (SNP) or other small variation may occur. This particular variant is categorized as a rare change, meaning it is not commonly found in the general population. Because it sits within the ACADS gene, researchers study it to determine if it alters the structure or function of the protein that the gene encodes. Understanding the location of this variant is the first step in evaluating whether it has any biological impact on cellular processes or if it is a neutral variation that does not affect health.

The Role of the ACADS Gene

The ACADS gene is responsible for producing an enzyme known as short-chain acyl-CoA dehydrogenase, or SCAD. This enzyme is located inside the mitochondria, which are the powerhouses of our cells. The primary function of the SCAD enzyme is to facilitate the breakdown of short-chain fatty acids, a process known as beta-oxidation. By converting these fats into energy, the body can fuel essential tissues, including the heart and skeletal muscles. When the ACADS gene contains variants that disrupt the production or function of this enzyme, the body may struggle to process certain fats efficiently. This metabolic pathway is critical for maintaining energy balance, and disruptions in this process are the subject of ongoing research regarding their potential impact on metabolic health and development.

Research and Evidence Strength

Current evidence regarding rs1057516685 is considered moderate. While the ACADS gene is well-studied in the context of SCAD deficiency—a condition where the body cannot properly break down short-chain fatty acids—not every variant in this gene leads to clinical disease. Many variants in ACADS are classified as variants of uncertain significance (VUS), meaning there is not yet enough clinical data to definitively label them as harmful or benign. Research into this specific variant suggests an association with metabolic conditions that could potentially impact reproductive health, but these findings are often based on statistical associations rather than direct causation. Because the evidence is limited, it is important to view these findings as part of a broader, evolving body of research rather than a definitive medical diagnosis.

Population Frequency

The rs1057516685 variant is classified as rare across global populations. In genetic studies, rare variants are those that appear in a very small percentage of the population. Because this variant is not common, it is difficult for researchers to gather large-scale data to determine if its frequency varies significantly between different ancestral groups. Most of the information regarding its prevalence comes from large genomic databases like gnomAD, which aggregate data from diverse individuals. If you have received information about this variant from a genetic test, it is important to remember that its rarity means that clinical knowledge about its specific effects is still being developed by the scientific community.

What You Can Do With This Information

Genetic information can be complex, and it is important to use it appropriately. If you have identified this variant in your own genetic data, you should not use it to make medical decisions or self-diagnose. Because the clinical significance of many ACADS variants remains uncertain, this information is best used as a starting point for a conversation with a healthcare professional or a genetic counselor. They can help place your results in the context of your personal and family health history. If you are concerned about metabolic health or reproductive development, a clinician can order appropriate diagnostic tests or provide guidance based on established medical standards. Always consult with a qualified professional before making changes to your health regimen or interpreting genetic findings.

How common is this variant?

The rs1057516685 variant is rare, appearing at a very low frequency across global populations.

Frequently asked questions

What is the ACADS gene?

The ACADS gene provides instructions for making the SCAD enzyme, which helps the body break down short-chain fatty acids for energy. It is essential for normal mitochondrial function.

Is rs1057516685 a disease-causing mutation?

Not necessarily. Many variants in the ACADS gene are classified as variants of uncertain significance, meaning there is not enough evidence to confirm they cause disease.

Should I be worried if I have this variant?

Having a genetic variant does not mean you have a medical condition. You should discuss your results with a genetic counselor or doctor to understand what they mean for your health.

Where can I find more information on ACADS variants?

You can search for the ACADS gene on resources like MedlinePlus Genetics or ClinVar to see the latest research and clinical classifications for specific variants.

Sources & further reading

Educational information only, last refreshed 10/10/2026. Not medical advice — these associations describe population statistics, not individual predictions.

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