rs6742078 (GATA3): Understanding Genetic Variations and Traits
This article delves into the human genetic variant rs6742078, located within the GATA3 gene. Research indicates associations between this variant and variations in human traits, though the evidence strength is currently considered limited.
What each genotype means
Typical bilirubin levels
This genotype is considered the common or reference state for this variant. Research indicates that individuals with this genotype do not carry the specific allele associated with increased serum bilirubin levels.
This is the most common genotype observed in most global populations.
Intermediate bilirubin profile
Carrying one copy of the T allele may result in a slight influence on serum bilirubin levels compared to those without the variant. This association is based on statistical meta-analyses of population data and does not constitute a medical diagnosis.
This heterozygous genotype is found at a moderate frequency across many diverse ancestral groups.
Increased bilirubin levels
Individuals with this genotype have been statistically associated with higher serum bilirubin levels in genome-wide association studies. Some research suggests this may correlate with an increased risk of gallstones, though this association is complex and influenced by many other genetic and environmental factors.
This homozygous genotype is less common than the G-containing genotypes but is present in a significant portion of the population.
What is rs6742078?
rs6742078 is a single nucleotide polymorphism (SNP), a common type of genetic variation where a single DNA base differs from the next. Specifically, at this location, the common allele is guanine (G), and the less common allele is adenine (A). This particular SNP is found within the gene known as GATA binding protein 3 (GATA3). The GATA3 gene plays a crucial role in the development and function of various cell types and organ systems. Understanding the precise location and nature of rs6742078 is the first step in exploring its potential functional significance and associations with human traits.
The Role of the GATA3 Gene
The GATA3 gene provides instructions for making a protein that acts as a transcription factor. Transcription factors are proteins that control the activity of other genes by binding to specific DNA sequences. In the case of GATA3, its protein product is essential for the development and differentiation of several important cell types, including T lymphocytes, a type of white blood cell crucial for the immune system, and certain cells within the kidneys and mammary glands. Disruptions in GATA3 function can lead to a range of developmental issues, highlighting its fundamental importance in human biology.
Research Associations and Evidence Strength
Genome-wide association studies (GWAS) have identified rs6742078 as being associated with variations in certain human traits. However, it is important to note that the evidence strength for these associations is currently classified as limited. This means that while statistical signals exist in large population studies, further research is needed to confirm these findings and understand the biological mechanisms at play. The associations observed in GWAS do not imply a direct cause-and-effect relationship but rather indicate a statistical link that warrants further investigation to explore its functional relevance.
What You Can and Cannot Do With This Information
Information about rs6742078 can provide a glimpse into genetic diversity and potential influences on traits. It is part of the broader landscape of human genetic variation cataloged in resources like the SNP Encyclopedia. However, this SNP, with its limited evidence strength, should not be used to make any personal health decisions or predictions. Genetic information is complex, and associations identified in population studies do not translate to individual diagnoses or prognoses. It is crucial to consult with healthcare professionals for any health-related concerns.
How common is this variant?
The variant rs6742078 is common across human populations. Allele frequencies can vary between different ancestral groups, as documented in large-scale genomic databases.
Frequently asked questions
What does rs6742078 being in the GATA3 gene mean?
The rs6742078 variant is located within the GATA3 gene, which is important for the development and function of various cell types, including immune cells and cells in the kidneys and mammary glands. Its presence within this gene suggests it might potentially influence the gene's activity or the protein it produces, though research is ongoing.
Is rs6742078 associated with any diseases?
While rs6742078 has been linked to variations in human traits through GWAS, the evidence is limited and it is not directly associated with a specific disease in major genetic databases like ClinVar. Associations with traits do not equate to a diagnosis.
How common is the rs6742078 variant?
rs6742078 is a common variant found in human populations worldwide. However, the frequency of its different alleles can vary among different ancestral groups.
Can I get rs6742078 tested?
Direct-to-consumer genetic testing services may provide information about common SNPs like rs6742078. However, it's important to remember that this information is for educational or research purposes only and should not be used for medical decision-making.
What is the difference between GATA3 and rs6742078?
GATA3 is the name of the gene, which provides instructions for making a protein. rs6742078 is a specific location within the DNA sequence of the human genome where a common variation has been identified.
Sources & further reading
Educational information only, last refreshed 9/24/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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