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Primary immunodeficiency or monogenic inflammatory bowel disease v2.532 PLG Arina Puzriakova Tag Q2_21_NHS_review was removed from gene: PLG.
Tag Q3_21_expert_review was removed from gene: PLG.
Primary immunodeficiency or monogenic inflammatory bowel disease v2.532 PLG Arina Puzriakova commented on gene: PLG: The rating of this gene has been updated to Green following NHS Genomic Medicine Service approval.
Primary immunodeficiency or monogenic inflammatory bowel disease v2.531 PLG Arina Puzriakova Source Expert Review Green was added to PLG.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Primary immunodeficiency or monogenic inflammatory bowel disease v2.450 PLG Arina Puzriakova Tag founder-effect was removed from gene: PLG.
Primary immunodeficiency or monogenic inflammatory bowel disease v2.450 PLG Arina Puzriakova changed review comment from: Comment on list classification: Discussed with Helen Brittain (Genomics England Clinical Team) regarding the founder effect and reduced penetrance associated with the angioedema-specific variant (c.988A>G, p.K330E) in this gene - 'it goes slightly against our usual rule of needing another source to corroborate that it is the variant itself, but the evidence is reasonably compelling and this is harder if there happens to be a narrow pathogenic variant spectrum e.g. gain of function missense. In view of the reduced penetrance, and this slight doubt, I would prefer to ask the opinion of the evaluation working group'

Therefore rating Amber with the recommendation of expert review at the next GMS panel update (tagged)

Note: this phenotype is also now listed in OMIM (MIM# 619360); to: Comment on list classification: Discussed with Helen Brittain (Genomics England Clinical Team) regarding the reduced penetrance and recurrence of the angioedema-specific variant (c.988A>G, p.K330E) in this gene - 'it goes slightly against our usual rule of needing another source to corroborate that it is the variant itself, but the evidence is reasonably compelling and this is harder if there happens to be a narrow pathogenic variant spectrum e.g. gain of function missense. In view of the reduced penetrance, and this slight doubt, I would prefer to ask the opinion of the evaluation working group'

Therefore rating Amber with the recommendation of expert review at the next GMS panel update (tagged)

Note: this phenotype is also now listed in OMIM (MIM# 619360)
Primary immunodeficiency or monogenic inflammatory bowel disease v2.450 PLG Arina Puzriakova Publications for gene: PLG were set to 28795768; 29548426; 29987869; 31131012; 32066472; 32065705; 32181895
Primary immunodeficiency or monogenic inflammatory bowel disease v2.449 PLG Arina Puzriakova edited their review of gene: PLG: Changed rating: AMBER; Changed publications to: 28795768, 29548426, 29952006, 30809376, 31131012, 32066472, 32065705, 32181895, 33799813
Primary immunodeficiency or monogenic inflammatory bowel disease v2.449 PLG Arina Puzriakova changed review comment from: Bork et al. 2018 (PMID: 28795768) found a recurrent variant (c.988A>G, p.K330E) in 13 German families with hereditary angioedema. Haplotype analysis indicated that this is a likely founder variant. However, the variant is associated with incomplete penetrance as there are several asymptomatic carriers within the families and the variant can be found at low freq in the European population in gnomAD - but has been classified as 'Pathogenic'. There is no evidence of other relevant variants but this seems to be an accepted causal variant in the literature and several subsequent publications have identified additional cases (PMIDs: 29548426; 31131012; 32066472; 32065705; 32181895). There is some data that suggests the variant might affect plasminogen glycosylation (PMIDs: 29548426; 32181895), however multiple patients have also been identified with normal plasminogen activity.; to: Bork et al. 2018 (PMID: 28795768) found a recurrent variant (c.988A>G, p.K330E) in 13 German families with hereditary angioedema. However, the variant is associated with incomplete penetrance as there are several asymptomatic carriers within the families and the variant can be found at low freq in the European population in gnomAD - but has been classified as 'Pathogenic'.

There is no evidence of other relevant variants but this seems to be an accepted causal variant in the literature and several subsequent publications have identified additional cases (PMIDs: 29548426; 29952006; 30809376; 31131012; 32066472; 32065705; 32181895; 33799813). Most cases are of European ancestry and haplotype analysis performed by the original study (Bork et al. 2018) indicated a likely founder effect. However, 2 families in Japan have since been identified indicating the variant may be found in various ethnic populations (PMID: 29987869)

There is some data that suggests the variant might affect plasminogen glycosylation (PMIDs: 29548426; 32181895), however multiple patients have also been identified with normal plasminogen activity.
Primary immunodeficiency or monogenic inflammatory bowel disease v2.449 PLG Arina Puzriakova Publications for gene: PLG were set to PMID: 28795768
Primary immunodeficiency or monogenic inflammatory bowel disease v2.448 PLG Arina Puzriakova Classified gene: PLG as Amber List (moderate evidence)
Primary immunodeficiency or monogenic inflammatory bowel disease v2.448 PLG Arina Puzriakova Added comment: Comment on list classification: Discussed with Helen Brittain (Genomics England Clinical Team) regarding the founder effect and reduced penetrance associated with the angioedema-specific variant (c.988A>G, p.K330E) in this gene - 'it goes slightly against our usual rule of needing another source to corroborate that it is the variant itself, but the evidence is reasonably compelling and this is harder if there happens to be a narrow pathogenic variant spectrum e.g. gain of function missense. In view of the reduced penetrance, and this slight doubt, I would prefer to ask the opinion of the evaluation working group'

Therefore rating Amber with the recommendation of expert review at the next GMS panel update (tagged)

Note: this phenotype is also now listed in OMIM (MIM# 619360)
Primary immunodeficiency or monogenic inflammatory bowel disease v2.448 PLG Arina Puzriakova Gene: plg has been classified as Amber List (Moderate Evidence).
Primary immunodeficiency or monogenic inflammatory bowel disease v2.447 PLG Arina Puzriakova changed review comment from: Penetrance for gene PLG was set from 'unknown' to 'incomplete'; to: Penetrance for PLG on this panel was set from 'unknown' to 'incomplete'
Primary immunodeficiency or monogenic inflammatory bowel disease v2.447 PLG Arina Puzriakova commented on gene: PLG: Penetrance for gene PLG was set from 'unknown' to 'incomplete'
Primary immunodeficiency or monogenic inflammatory bowel disease v2.447 PLG Arina Puzriakova Penetrance for gene PLG was set from to unknown
Primary immunodeficiency or monogenic inflammatory bowel disease v2.446 PLG Arina Puzriakova Tag founder-effect tag was added to gene: PLG.
Tag Q3_21_expert_review tag was added to gene: PLG.
Primary immunodeficiency or monogenic inflammatory bowel disease v2.446 PLG Arina Puzriakova reviewed gene: PLG: Rating: ; Mode of pathogenicity: None; Publications: 28795768, 29548426, 31131012, 32066472, 32065705, 32181895; Phenotypes: Angioedema, hereditary, 4, OMIM:619360; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Primary immunodeficiency or monogenic inflammatory bowel disease v2.446 PLG Arina Puzriakova Phenotypes for gene: PLG were changed from Angioedema, hereditary, 4, OMIM:619360 to Angioedema, hereditary, 4, OMIM:619360
Primary immunodeficiency or monogenic inflammatory bowel disease v2.445 PLG Arina Puzriakova Phenotypes for gene: PLG were changed from Non-C1 Hereditary Angioedema to Angioedema, hereditary, 4, OMIM:619360
Primary immunodeficiency or monogenic inflammatory bowel disease v2.427 PLG Zornitza Stark reviewed gene: PLG: Rating: GREEN; Mode of pathogenicity: None; Publications: 28795768, 29548426, 29987869; Phenotypes: Hereditary angioedema-4 (HAE4), MIM#619360; Mode of inheritance: None
Primary immunodeficiency or monogenic inflammatory bowel disease v2.423 PLG Arina Puzriakova Tag Q2_21_NHS_review tag was added to gene: PLG.
Primary immunodeficiency or monogenic inflammatory bowel disease v2.419 PLG Matthew Buckland gene: PLG was added
gene: PLG was added to Primary immunodeficiency. Sources: Literature
Mode of inheritance for gene: PLG was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: PLG were set to PMID: 28795768
Phenotypes for gene: PLG were set to Non-C1 Hereditary Angioedema
Penetrance for gene: PLG were set to unknown
Review for gene: PLG was set to GREEN
Added comment: Bork et al. identified the exon9 mutation in PLG in four index families with normal-C1 hereditary angioedema and a further 9 families studied, with shared clinical features.
Sufficient information to ascribe causality.
Sources: Literature