rs28937321

A SNP in the NOTCH3 gene on chromosome 19. Its most notable genotype is A;C: Cerebral arteriopathy, autosomal dominant, with subcortical infarcts and leukocenphalopathy, type 1 (CADASIL)

Gene
NOTCH3
Location
Chr 1915,192,504 (GRCh38)
Highest magnitude
7.7Very important
Tested on
23andMe, AncestryDNA

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

SNPedia records rs28937321 on the minus strand: (G;G), (G;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Source and license

Adapted from rs28937321 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.