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Proteinuric renal disease v2.69 TPRKB Eleanor Williams Phenotypes for gene: TPRKB were changed from Galloway-Mowat syndrome 5 #617731 to Galloway-Mowat syndrome 5, OMIM:617731
Proteinuric renal disease v2.68 TPRKB Eleanor Williams Tag for-review was removed from gene: TPRKB.
Proteinuric renal disease v2.66 TPRKB Eleanor Williams commented on gene: TPRKB: The rating of this gene has been updated following NHS Genomic Medicine Service approval.
Proteinuric renal disease v2.65 TPRKB Eleanor Williams Source Expert Review Green was added to TPRKB.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Proteinuric renal disease v2.32 TPRKB Catherine Snow Classified gene: TPRKB as Amber List (moderate evidence)
Proteinuric renal disease v2.32 TPRKB Catherine Snow Added comment: Comment on list classification: Changed rating to Amber to reflect NHS signed-off rating, will be examined at next panel review.
Proteinuric renal disease v2.32 TPRKB Catherine Snow Gene: tprkb has been classified as Amber List (Moderate Evidence).
Proteinuric renal disease v2.26 TPRKB Eleanor Williams Tag for-review tag was added to gene: TPRKB.
Proteinuric renal disease v2.13 TPRKB Eleanor Williams Classified gene: TPRKB as Green List (high evidence)
Proteinuric renal disease v2.13 TPRKB Eleanor Williams Added comment: Comment on list classification: Changing rating from red to green, as there are 3 reported cases.
Proteinuric renal disease v2.13 TPRKB Eleanor Williams Gene: tprkb has been classified as Green List (High Evidence).
Proteinuric renal disease v2.12 TPRKB Eleanor Williams Mode of inheritance for gene: TPRKB was changed from to BIALLELIC, autosomal or pseudoautosomal
Proteinuric renal disease v2.11 TPRKB Eleanor Williams Publications for gene: TPRKB were set to 28805828
Proteinuric renal disease v2.0 TPRKB Eleanor Williams commented on gene: TPRKB: TPRKB is associated with Galloway-Mowat syndrome 5 #617731 (AR) in OMIM.

PMID: 28805828 - Braun et al 2017 - screened the coding regions of OSGEP, TP53RK, TPRKB and LAGE3 in 907 individuals with early-onset nephrotic syndrome including 91 individuals with GAMOS. Identified 2 biallelic missense variants in TPRKB in 2 families with GAMOS (c.407T>C, p.Leu136Pro and c.446A>6, p.Tyr149Cys). Both sets of parents were heterozgous for the variant. Mouse embryos with knockout of Lage3, Osgep, or Tprkb reproduced the human microcephaly phenotype. No renal phenotype was observed in knockout mice or fish but they hypothesize that this is due to early lethality masking renal involvement that might occur in older animals. Functional studies also showed that knockout of these genes affect cell proliferation.

PMID: 30053862 - Hyun et al 2018 - WES on a family with three GAMOS affected siblings found a homozygous missense mutation (NM_033550, c.194A > T, p.Lys65Met) in 2 siblings (3rd not tested). Parents and an unaffected sibling were heterzygous for the variant. All three patients manifested similar phenotypes, including very early-onset nephrotic syndrome, microcephaly, dysmorphic faces, and early fatality. Renal biopsy performed on one patient revealed focal segmental glomerulosclerosis with severe tubulo-interstitial changes.

Summary: 3 familial cases. Some functional data.
Proteinuric renal disease v2.0 TPRKB chirag patel reviewed gene: TPRKB: Rating: GREEN; Mode of pathogenicity: None; Publications: PubMed: 28805828, 30053862; Phenotypes: Galloway-Mowat syndrome 5, OMIM #617731; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Proteinuric renal disease v1.172 TPRKB Eleanor Williams Phenotypes for gene: TPRKB were changed from to Galloway-Mowat syndrome 5 #617731
Proteinuric renal disease v1.171 TPRKB Eleanor Williams Publications for gene: TPRKB were set to
Proteinuric renal disease v1.16 TPRKB Eleanor Williams reviewed gene: TPRKB: Rating: AMBER; Mode of pathogenicity: ; Publications: PMID: 28805828; Phenotypes: Galloway-Mowat syndrome 5 #617731; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Proteinuric renal disease v1.15 TPRKB Eleanor Williams gene: TPRKB was added
gene: TPRKB was added to Proteinuric renal disease. Sources: NHS GMS
Mode of inheritance for gene: TPRKB was set to