rs1042713

A SNP in the ADRB2 gene on chromosome 5. Its most notable genotype is A;A: 1.7x increased risk that pediatric inhaler use may make asthma worse

Gene
ADRB2
Location
Chr 5148,826,877 (GRCh38)
Highest magnitude
1.7Minor
Tested on
23andMe, AncestryDNA, FamilyTreeDNA
Minor allele frequency
47%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. A;AMost notableBad1.7x increased risk that pediatric inhaler use may make asthma worseMinor · 1.724% of people
  2. A;GBad1.3x increased risk that pediatric inhaler use may make asthma worseMinor · 1.349% of people
  3. G;GNot ratednormalTypical · 0.027% of people

On SNPedia: (A;A), (A;G), (G;G). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Frequency

Share of each genotype in 11 HapMap populations.

  • AverageA;A 24% A;G 49% G;G 27%
  • European ancestry (Utah)A;A 12% A;G 47% G;G 41%
  • Han Chinese (Beijing)A;A 32% A;G 53% G;G 15%
  • Japanese (Tokyo)A;A 21% A;G 46% G;G 33%
  • Yoruba (Nigeria)A;A 32% A;G 43% G;G 26%
  • African ancestry (Southwest US)A;A 32% A;G 51% G;G 18%
  • Chinese (Denver)A;A 30% A;G 51% G;G 18%
  • Gujarati IndianA;A 19% A;G 51% G;G 31%
  • Luhya (Kenya)A;A 24% A;G 50% G;G 26%
  • Mexican ancestry (Los Angeles)A;A 19% A;G 55% G;G 26%
  • Maasai (Kenya)A;A 28% A;G 52% G;G 21%
  • TuscanA;A 16% A;G 42% G;G 42%

Conditions, medicines and genes

Notes

From SNPedia

Show notes, about 160 words

rs1042713, also known as Arg16, G16R, and 16Arg>Gly, is a SNP in the adrenergic, beta-2-, surface receptor ADRB2 gene. The rs1042713(G) allele encodes the G/glycine form that is the more common one in most populations, while rs1042713(A) encodes the R/arginine residue at this position of the ADRB2 protein. A study of 1,182 young Scottish asthma patients (age, 3-22 years) concluded that rs1042713(A) alleles are significantly associated with "exacerbations" of their condition, regardless of treatment regimens (odds ratio 1.30, CI: 1.09-1.55, p=0.003). This didn't hold true for patients using inhalers less than once per day; and it was particularly true for those receiving daily inhaled long- or short-acting beta(2)-agonist treatment (OR, 1.64, CI: 1.22-2.20, p=.001). This may therefore indicate that regular inhalant use may be counter-productive in young asthma patients carrying one or especially two rs1042713(A) alleles.

Source and license

Adapted from rs1042713 on SNPedia, using a snapshot taken October 16, 2026. SNPedia content is shared under CC BY-NC-SA 3.0 US, and this page is shared under the same license.

SNPedia is a community-edited wiki. Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice. Magnitude is a community rating of how interesting a genotype is, not a risk score.