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Cystic kidney disease v9.3 CFAP47 Achchuthan Shanmugasundram Mode of pathogenicity for gene: CFAP47 was changed from Loss-of-function variants (as defined in pop up message) DO NOT cause this phenotype - please provide details in the comments to None
Cystic kidney disease v9.2 CFAP47 Ida Ertmanska changed review comment from: The association between CFAP47 and X-linked polycystic kidney disease was classified as Disputed on 02/10/2025 by the ClinGen Kidney Cystic and Ciliopathy Disorders Expert panel (see https://search.clinicalgenome.org/kb/gene-validity/CGGV:assertion_da276c83-09e0-428f-a58e-6cd3bf517d00-2025-02-10T170000.000Z). The disputing evidence relates to PMID:39698362 and includes "non-specific genetically heterogenous phenotype, missense variant with no convincing functional data" for the 3 male patients with polycystic kidney disease. 2/3 variants are common in gnomAD v4, with homozygous and numerous hemizygous individuals reported. The curation summary states that "the gene may be associated with a susceptibility phenotype that could manifest with age-dependent incomplete penetrance."

There is also conflicting functional evidence: PMID: 36571501 describes a knockout 40-week-old mice model with "larger kidneys, cyst-like histological changes in the kidneys, including tubular cell vacuolation and dilatation, and they had significantly shorter cilia compared to wild types. However, another study published later reported that 10-week-old knockout mice showed no apparent histological kidney problems (PMID: 40473901)."; to: The association between CFAP47 and X-linked polycystic kidney disease was classified as Disputed on 02/10/2025 by the ClinGen Kidney Cystic and Ciliopathy Disorders Expert panel (see https://search.clinicalgenome.org/kb/gene-validity/CGGV:assertion_da276c83-09e0-428f-a58e-6cd3bf517d00-2025-02-10T170000.000Z). The disputing evidence relates to PMID:39698362 and includes "non-specific genetically heterogenous phenotype, missense variant with no convincing functional data" for the 3 male patients with polycystic kidney disease. 2/3 variants are common in gnomAD v4, with homozygous and numerous hemizygous individuals reported. The curation summary states that "the gene may be associated with a susceptibility phenotype that could manifest with age-dependent incomplete penetrance."

There is also conflicting functional evidence: PMID: 36571501 describes a knockout 40-week-old mice model with "larger kidneys, cyst-like histological changes in the kidneys, including tubular cell vacuolation and dilatation, and they had significantly shorter cilia compared to wild types. However, another study published later reported that 10-week-old knockout mice showed no apparent histological kidney problems (PMID: 40473901)." - consistent with later onset?
Cystic kidney disease v9.2 CFAP47 Ida Ertmanska changed review comment from: The association between CFAP47 and X-linked polycystic kidney disease was classified as Disputed on 02/10/2025 by the ClinGen Kidney Cystic and Ciliopathy Disorders Expert panel (see https://search.clinicalgenome.org/kb/gene-validity/CGGV:assertion_da276c83-09e0-428f-a58e-6cd3bf517d00-2025-02-10T170000.000Z). The disputing evidence relates to PMID:39698362 and includes "non-specific genetically heterogenous phenotype, missense variant with no convincing functional data" for the 3 male patients with polycystic kidney disease. 2/3 variants are common in gnomAD v4, with homozygous and numerous hemizygous individuals reported. The curation summary states that "the gene may be associated with a susceptibility phenotype that could manifest with age-dependent incomplete penetrance."

There is also conflicting functional evidence: PMID: 36401472, 36571501 describe a knockout 40-week-old mice model with "larger kidneys, cyst-like histological changes in the kidneys, including tubular cell vacuolation and dilatation, and they had significantly shorter cilia compared to wild types. However, another study published later reported that 10-week-old knockout mice showed no apparent histological kidney problems (PMID: 40473901)."; to: The association between CFAP47 and X-linked polycystic kidney disease was classified as Disputed on 02/10/2025 by the ClinGen Kidney Cystic and Ciliopathy Disorders Expert panel (see https://search.clinicalgenome.org/kb/gene-validity/CGGV:assertion_da276c83-09e0-428f-a58e-6cd3bf517d00-2025-02-10T170000.000Z). The disputing evidence relates to PMID:39698362 and includes "non-specific genetically heterogenous phenotype, missense variant with no convincing functional data" for the 3 male patients with polycystic kidney disease. 2/3 variants are common in gnomAD v4, with homozygous and numerous hemizygous individuals reported. The curation summary states that "the gene may be associated with a susceptibility phenotype that could manifest with age-dependent incomplete penetrance."

There is also conflicting functional evidence: PMID: 36571501 describes a knockout 40-week-old mice model with "larger kidneys, cyst-like histological changes in the kidneys, including tubular cell vacuolation and dilatation, and they had significantly shorter cilia compared to wild types. However, another study published later reported that 10-week-old knockout mice showed no apparent histological kidney problems (PMID: 40473901)."
Cystic kidney disease v9.2 CFAP47 Ida Ertmanska Tag Q3_26_expert_review tag was added to gene: CFAP47.
Cystic kidney disease v9.2 CFAP47 Ida Ertmanska Tag disputed tag was added to gene: CFAP47.
Tag Q3_26_demote_red tag was added to gene: CFAP47.
Cystic kidney disease v9.2 CFAP47 Ida Ertmanska changed review comment from: Comment on list classification: Based on conflicting and disputing evidence outlined in the ClinGen curation of evidence linking CFAP47 and X-linked polycystic kidney disease, the rating should be demoted to Red on this panel.; to: Comment on list classification: Based on conflicting and disputing evidence outlined in the ClinGen curation of evidence linking CFAP47 and X-linked polycystic kidney disease, the rating should be demoted to Red on this panel.
Cystic kidney disease v9.2 CFAP47 Ida Ertmanska commented on gene: CFAP47: Comment on list classification: Based on conflicting and disputing evidence outlined in the ClinGen curation of evidence linking CFAP47 and X-linked polycystic kidney disease, the rating should be demoted to Red on this panel.
Cystic kidney disease v9.2 CFAP47 Ida Ertmanska edited their review of gene: CFAP47: Changed rating: RED; Changed publications to: 39698362; Changed phenotypes to: polycystic kidney disease, MONDO:0020642; Changed mode of inheritance: X-LINKED: hemizygous mutation in males, biallelic mutations in females
Cystic kidney disease v9.2 CFAP47 Ida Ertmanska commented on gene: CFAP47
Cystic kidney disease v8.8 CFAP47 Ida Ertmanska Tag gene-checked tag was added to gene: CFAP47.
Cystic kidney disease v8.7 CFAP47 Arina Puzriakova Tag Q4_24_promote_green was removed from gene: CFAP47.
Cystic kidney disease v8.7 CFAP47 Achchuthan Shanmugasundram commented on gene: CFAP47: The rating of this gene has been updated to green following NHS Genomic Medicine Service approval.
Cystic kidney disease v8.6 CFAP47 Arina Puzriakova Source NHS GMS was added to CFAP47.
Source Expert Review Green was added to CFAP47.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Cystic kidney disease v7.10 CFAP47 Achchuthan Shanmugasundram Tag Q4_24_promote_green tag was added to gene: CFAP47.
Cystic kidney disease v7.10 CFAP47 Achchuthan Shanmugasundram Classified gene: CFAP47 as Amber List (moderate evidence)
Cystic kidney disease v7.10 CFAP47 Achchuthan Shanmugasundram Added comment: Comment on list classification: There is sufficient evidence available (three unrelated cases and functional work) for the promotion of this gene to green rating in the next GMS update.
Cystic kidney disease v7.10 CFAP47 Achchuthan Shanmugasundram Gene: cfap47 has been classified as Amber List (Moderate Evidence).
Cystic kidney disease v7.9 CFAP47 Achchuthan Shanmugasundram Phenotypes for gene: CFAP47 were changed from PKD to polycystic kidney disease, MONDO:0020642
Cystic kidney disease v7.8 CFAP47 Achchuthan Shanmugasundram Publications for gene: CFAP47 were set to PMID: 38633811
Cystic kidney disease v7.7 CFAP47 Achchuthan Shanmugasundram reviewed gene: CFAP47: Rating: GREEN; Mode of pathogenicity: None; Publications: 39698362; Phenotypes: polycystic kidney disease, MONDO:0020642; Mode of inheritance: X-LINKED: hemizygous mutation in males, biallelic mutations in females
Cystic kidney disease v7.7 CFAP47 Dmitrijs Rots gene: CFAP47 was added
gene: CFAP47 was added to Cystic kidney disease. Sources: Literature
Mode of inheritance for gene: CFAP47 was set to X-LINKED: hemizygous mutation in males, biallelic mutations in females
Publications for gene: CFAP47 were set to PMID: 38633811
Phenotypes for gene: CFAP47 were set to PKD
Penetrance for gene: CFAP47 were set to unknown
Mode of pathogenicity for gene: CFAP47 was set to Loss-of-function variants (as defined in pop up message) DO NOT cause this phenotype - please provide details in the comments
Review for gene: CFAP47 was set to GREEN
Added comment: Three cases & some functional work described in PMID: 38633811 (now published).
Sources: Literature