Genopathy
Gene-Disorder Association · Article
Gene
COL2A1
Collagen Type II Alpha 1 Chain
Disorder
Achondrogenesis, Type Ii
First reported 1995
Supporting publications 22
Key publication · gene–disorder A COL2A1 mutation in achondrogenesis type II results in the replacement of type II collagen by type I and III collagens in cartilage.The Journal of biological chemistry · 1995
Key publication · disorder Lethal short-limbed dwarfism: achondrogenesis and thanatophoric dwarfism.The American journal of roentgenology, radium therapy, and nuclear medicine · 1971
Manually curated
Association Review

In brief

The association between COL2A1 (Collagen Type II Alpha 1 Chain) and Achondrogenesis, Type Ii is well established and manually curated, with its 5 contributing sources — 4 of them expert-curated — recording a known molecular basis, pathogenic variants, and a causative germline mutation.

Sources 5
Clinical variants 97
Symptoms 60
Compounds 0
Trials 0
Publications 22
01
At a glance

Association overview

A cited synthesis of the gene–disorder association, with a clinical-actionability summary where the evidence supports one.

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02
Provenance

Evidence and sources

5 sources

Every contributing database and publication behind this association, with evidence type, strength, accessions and deep links.

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03
COL2A1

The gene

1 source summary

A gene summary alongside the source descriptions it was distilled from.

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04
Achondrogenesis, Type Ii

The disorder

13 database identifiers

The disorder’s summary, prevalence, aliases and cross-reference identifiers (OMIM, Orphanet, MONDO, ICD-10, MedGen).

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05
Phenotype

Clinical features

46 clinical features

The disorder’s clinical features (HPO) grouped by body system, each with observed frequency and penetrance.

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06
ClinVar and variant evidence

Genetic basis

97 clinical variants

ClinVar variants reported for this pair, with disorder-specific significance, review status, molecular consequence and origin.

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07
Mechanism overlap

Shared mechanisms

Biological pathways and phenotype concepts shared by the gene and the disorder, with supporting publications.

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08
Literature

Reading

22 publications

Publications linking the gene and the disorder, with title, authors, journal, year and citation metrics.

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09
Provenance

References & sources

16 references

Every source and publication cited across this dossier, as one numbered reference list.

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