Primary immunodeficiency or monogenic inflammatory bowel disease
Gene: COL7A1
This gene has been confirmed for this panel by the NHS Genomic Medicine Service as the eligibility criteria of R15 has been extended to include IBD genes and should be rated green.Created: 8 Mar 2022, 3:09 p.m. | Last Modified: 8 Mar 2022, 3:09 p.m.
Panel Version: 2.536
Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal
Phenotypes
epidermolysis bullosa; bloody diarrhoea
Publications
Comment on list classification: New gene added by Kelsey Jones (Great Ormond Street Hospital). This gene is associated with a phenotype in OMIM and Gene2Phenotype. This gene has been given an Amber rating.Created: 1 Feb 2021, 1:16 p.m. | Last Modified: 1 Feb 2021, 1:16 p.m.
Panel Version: 2.394
Important monogenic cause of VEOIBD (recognised criteria for the R15 panel). In a retrospective case series, 9 of 57 (16%) children with recessive DEBP had diarrhoea with macroscopic/microscopic features of colitis (PMID: 18363753). There is additionally a recognised association between Epidermolysis Bullosa Acquisita (an autoimmune condition directed against Type VII Collagen (the COL7A1 protein product) (PMID: 23517353). Included on a monogenic IBD gene panel proposed by The Paediatric IBD Porto Group of ESPGHAN (PMID: 33346580). Not a recognised cause of immunodeficiency.
Sources: Expert ReviewCreated: 29 Jan 2021, 3:37 p.m. | Last Modified: 29 Jan 2021, 3:43 p.m.
Panel Version: 2.392
Mode of inheritance
BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Phenotypes
Very Early Onset Inflammatory Bowel Disease; Dystrophic Epidermolysis Bullosa Pruriginosa
Publications
Source Expert Review Green was added to COL7A1. Mode of inheritance for gene COL7A1 was changed from BOTH monoallelic and biallelic, autosomal or pseudoautosomal to BIALLELIC, autosomal or pseudoautosomal Added phenotypes Inflammatory Bowel Disease for gene: COL7A1 Publications for gene: COL7A1 were updated from 18363753; 23517353; 32084423; 33346580 to 32084423; 33346580; 23517353; 11781296; 18363753; 27537055 Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Publications for gene: COL7A1 were set to 18363753; 23517353; 33346580
Gene: col7a1 has been classified as Amber List (Moderate Evidence).
Publications for gene: COL7A1 were set to PMID: 18363753
gene: COL7A1 was added gene: COL7A1 was added to Primary immunodeficiency. Sources: Expert Review Mode of inheritance for gene: COL7A1 was set to BOTH monoallelic and biallelic, autosomal or pseudoautosomal Publications for gene: COL7A1 were set to PMID: 18363753 Phenotypes for gene: COL7A1 were set to Very Early Onset Inflammatory Bowel Disease; Dystrophic Epidermolysis Bullosa Pruriginosa Penetrance for gene: COL7A1 were set to Incomplete Review for gene: COL7A1 was set to AMBER