DMD c.8668+17C>A
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Not reported
no allele count reported in gnomAD v4.1 (AN 1,208,158)
Conditions
1
Duchenne muscular dystrophy
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| Splice region | donor +17 | near-intronic (+17 nt from the splice site) |
|---|---|---|
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 1.6 | GERP -1.2, phastCons 1 |
| Non-coding constraint | — | not assessed · autosomes only, so chrX has no window · absence ≠ unconstrained |
| Overall | ||
| CADD | 15.08 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
No allele count reported in gnomAD v4.1 (AN 1,208,158). This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.
Variant & gene context
- Gene
- DMD
- Coding
- c.8668+17C>A
- MANE Select
- NM_004006
- dbSNP
- rs750783328
- Type
- single nucleotide variant
- Location
- chrX:31478966 (GRCh38)
Disease context
Duchenne muscular dystrophy — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatmentsFor Duchenne muscular dystrophy (Orphanet):
- Inheritance
- X-linked recessive
- Onset
- Childhood
- Prevalence
- 1-9 / 100 000 (Worldwide)
Similar variants
- DMD c.10086+1G>A Pathogenic ★★ same condition
- DMD c.10086+1G>T Pathogenic ★★ same condition
- DMD c.10086+2T>C Pathogenic ★★ same condition
- DMD c.10087-2A>G Pathogenic/Likely pathogenic ★★ same condition
- DMD c.10223+1G>A Pathogenic ★★ same condition
- DMD c.10223+1G>C Pathogenic ★★ same condition
- DMD c.10224-2A>G Likely pathogenic ★★ same condition
- DMD c.10554-2A>G Pathogenic/Likely pathogenic ★★ same condition
Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →
Cite Sugi Variant
Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/dmd-c-8668-plus-17c-a (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown