CausalSentinel

Protein Dossier — CSGALNACT2 (Chondroitin sulfate N-acetylgalactosaminyltransferase 2)

MR feasibility tier: A — Published pQTL-MR estimates exist for this protein (retrieved below - not computed here).

1. Published MR estimates (retrieved, not computed)

Outcome beta se p method nSNP cis/trans coloc
Hirschsprung’s disease 4.65 0.777 2.08e-09 Wald ratio 1 cis 0.911
Height -0.0663 0.0163 4.85e-05 Wald ratio 1 cis NA
Non-cancer illness code self-reported: migraine 0.203 0.0651 0.00178 Wald ratio 1 cis NA
Mean cell volume 0.426 0.144 0.00314 Wald ratio 1 cis NA
Non-cancer illness code self-reported: hayfever or allergic rhinitis 0.129 0.0498 0.00948 Wald ratio 1 cis NA
Diagnoses - main ICD10: K29 Gastritis and duodenitis 0.191 0.0739 0.00964 Wald ratio 1 cis NA
Potassium in urine -0.0333 0.0139 0.0169 Wald ratio 1 cis NA
Mean cell haemoglobin 0.133 0.0561 0.0181 Wald ratio 1 cis NA
Ischemic stroke -0.211 0.0918 0.0214 Wald ratio 1 cis NA
Diastolic blood pressure automated reading 0.0317 0.0141 0.024 Wald ratio 1 cis NA
Non-cancer illness code self-reported: osteoarthritis 0.0933 0.0419 0.0261 Wald ratio 1 cis NA
Eczema 0.229 0.103 0.0261 Wald ratio 1 cis NA
…and 113 more outcomes (see JSON)              

2. pQTL instrument availability (Tier-B probe)

No prot-* pQTL GWAS dataset found for this protein (matched by UniProt accession and symbol).

3. GWAS Catalog results — traits with signal at this locus

25 association rows across 24 traits (23 genome-wide significant rows). Associations are loci, not causal claims; the mapped gene at a locus is not necessarily the effector gene.

Trait best p lead SNP n assoc study MR status
Serum levels of protein CSGALNACT2 2e-105 rs3004212 1 GCST90086445 no MR -> candidate analysis
Height 4e-74 rs2435381 2 GCST90245848 MR: beta=-0.0663, p=4.85e-05 (cis)
Circulating VCAN levels 8e-65 rs2435381 1 GCST90860401 no MR -> candidate analysis
VCAN protein levels 2e-58 rs2435381 1 GCST90471032 no MR -> candidate analysis
Blood protein levels 6e-57 rs2435378 1 GCST006585 no MR -> candidate analysis
Chondroitin sulfate N-acetylgalactosaminyltransferase 2 leve 2e-34 rs2435340 1 GCST90246999 no MR -> candidate analysis
RET protein levels 5e-26 rs146003857 1 GCST90470458 no MR -> candidate analysis
Corneal resistance factor (MTAG) 1e-16 rs3004212 1 GCST90102517 no MR -> candidate analysis
SPOCK1 protein levels 8e-16 rs2435349 1 GCST90470730 no MR -> candidate analysis
Impedance of arm left (UKB data field 23110) 1e-15 rs2435381 1 GCST90468171 no MR -> candidate analysis
Circulating SPOCK1 levels 1e-15 rs2435381 1 GCST90859729 no MR -> candidate analysis
Impedance of arm right (UKB data field 23109) 3e-15 rs2435381 1 GCST90468172 no MR -> candidate analysis
…and 12 more traits (see JSON)          

4. Phenome map — where this gene is a genetic locus, vs. where MR exists

Top diseases by Open Targets association (of 69 total). Associations are loci, not causal claims. The causal-status column is a four-state triage per pair: established (curated) = a curated clinical assertion exists (ClinGen/G2P/GEL/Orphanet/ClinVar — any validity level, MR adds little); exploratory rare-variant signal = ExWAS burden evidence without curation — a candidate NEW gene-disease relationship; common-variant locus = GWAS signal, classic pQTL-MR territory; multi-layer = burden+GWAS together, an allelic-series candidate (the strongest causal setup). Burden estimand is carrier-vs-noncarrier, not per-SD MR.

Disease genetic assoc. burden (ExWAS) causal status MR status
Abnormality of the skeletal system 0.871 common-variant locus no MR -> candidate analysis
Inguinal hernia 0.807 common-variant locus MR: beta=-0.186, p=0.0696 (cis)
tenosynovitis 0.526 common-variant locus no MR -> candidate analysis
Hirschsprung disease 0.446 common-variant locus no MR -> candidate analysis
gram-positive bacterial infections 0.425 common-variant locus no MR -> candidate analysis
insomnia 0.162 common-variant locus no MR -> candidate analysis
Abnormal pupillary function 0.11 common-variant locus no MR -> candidate analysis
Hernia 0.076 common-variant locus MR: beta=-0.186, p=0.0696 (cis)
obesity disorder 0.046 common-variant locus no MR -> candidate analysis
corneal neovascularization 0.036 common-variant locus no MR -> candidate analysis
gastric ulcer 0.034 common-variant locus no MR -> candidate analysis

Of the 11 rows above, 9 have no MR estimate in this resource. Across all retrieved diseases for this gene: 0 exploratory rare-variant signal(s), 0 multi-layer (allelic-series candidate) pair(s). Final triage still belongs to a statistical geneticist.

5. Downstream annotation (druggability & safety preview)

Layer Result
ChEMBL druggability not available — no ChEMBL target (undrugged)
gnomAD constraint pLI=1.1e-07, LOEUF=0.839 — LoF-tolerant
GWAS Catalog 55 unique SNPs / 110 rows
ClinVar 109 records; 0 pathogenic in sample of 30
PharmGKB/ClinPGx no annotations

Caveats declared by the tools

Sources

Provenance