Genopathy
Gene-Disorder Association · Article
Gene
LAMA3
Laminin Subunit Alpha 3
Disorder
Epidermolysis Bullosa, Junctional 1b, Severe
First reported 1995
Supporting publications 14
Key publication · gene–disorder A homozygous nonsense mutation in the alpha 3 chain gene of laminin 5 (LAMA3) in Herlitz junctional epidermolysis bullosa: prenatal exclusion in a fetus at risk.Genomics · 1995
Key publication · disorder Epidermolysis bullosa letalis. Report of three cases with particular reference to the histopathology of the skin.Pediatrics · 1960
Manually curated
Association Review

In brief

The association between LAMA3 (Laminin Subunit Alpha 3) and Epidermolysis Bullosa, Junctional 1b, Severe is well established and manually curated, with its 3 contributing sources — 2 of them expert-curated — recording likely-pathogenic variants and a causative germline mutation.

Sources 3
Clinical variants 298
Symptoms 84
Compounds 0
Trials 0
Publications 14
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

3 sources

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

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03
LAMA3

The gene

1 source summary

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

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04
Epidermolysis Bullosa, Junctional 1b, Severe

The disorder

10 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

69 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

298 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

14 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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