Proteinuric renal disease

Gene: AMN

Green List (high evidence)

AMN (amnion associated transmembrane protein)
EnsemblGeneIds (GRCh38): ENSG00000166126
EnsemblGeneIds (GRCh37): ENSG00000166126
OMIM: 605799, Gene2Phenotype
AMN is in 10 panels

5 reviews

Catherine Snow (Genomics England)

Comment on list classification: Changed rating to Amber to reflect NHS signed-off rating, will be examined at next panel review.
Created: 16 Oct 2020, 8:04 a.m. | Last Modified: 16 Oct 2020, 8:04 a.m.
Panel Version: 2.27

Zornitza Stark (Australian Genomics)

Green List (high evidence)

Proteinuria is a very well described presenting feature of this condition, it is rated Green on our Australian panel.
Created: 9 Jan 2020, 3:14 a.m. | Last Modified: 9 Jan 2020, 3:14 a.m.
Panel Version: 2.0

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Publications

Variants in this GENE are reported as part of current diagnostic practice

Eleanor Williams (Genomics England Curator)

I don't know

The rating of this gene has been updated following NHS Genomic Medicine Service approval. The reviewers note that a homozygous splice variant in patient with Imerslund-Grasbeck syndrome has been reported.
Created: 7 Mar 2022, 11:37 p.m. | Last Modified: 7 Mar 2022, 11:37 p.m.
Panel Version: 2.66
Comment on list classification: Changing rating from amber to green following expert review stating that proteinuria is a well known presenting feature of IMERSLUND-GRASBECK SYNDROME. At least 3 cases with variants in AMN and proteinuria are reported in the literature.
Created: 30 Mar 2020, 3:58 p.m. | Last Modified: 30 Mar 2020, 3:58 p.m.
Panel Version: 2.16
Associated with Megaloblastic anemia-1, Norwegian type #261100 (AR) in OMIM which is also known as IMERSLUND-GRASBECK SYNDROME (IGS).

PMID: 30691194 - Pacitto et al 2019 - describe a case of IGS with urinary tract infection and mild but persistent proteinuria at onset in an 11-month-old female child. The patient was found to be compound heterzygous for a novel intronic variant c.513+5G>A thought to affect a donor splice site, and the known pathogenetic variant c.1006+34_1007-31del. Parents each had one of the variants.

PMID: 26040326 - Montgomery et al 2015 - 2 half sisters with IGS and compound heterzygous variants in AMN are reported (c.35delA, p.Gln12Argfs*5) and (c.206 T > A, p.Met69Lys). Both presented with sub-nephrotic range proteinuria.

PMID: 22631584 - Densupsoontorn et al 2012 - report a Thai boy with IGS in whom a deleterious mutation in AMN was confirmed (homozygous c.663G>A; W221X). Persistent proteinuria was reported.

Note - not all patients are described as presenting with proteinuria e.g. PMID: 14593474 (Molecular cause of IGS unknown in this case).
Created: 30 Mar 2020, 3:55 p.m. | Last Modified: 30 Mar 2020, 3:55 p.m.
Panel Version: 2.15
Comment on list classification: Changing rating from green to amber until a review of the degree of proteinuria in patients with Imerslund-Grasbeck syndrome has been done.
Created: 9 Jul 2019, 1:03 p.m. | Last Modified: 9 Jul 2019, 1:03 p.m.
Panel Version: 1.217
This gene was part of an initial gene list collated by Elizabeth Watson, North Bristol NHS Trust, February 2019 on behalf of the GMS Renal Specialist Test Group. Gene Symbol submitted: AMN; Suggested initial gene rating: amber; Evidence for inclusion: PMID: 26040326;
Created: 4 Feb 2019, 10:41 a.m.

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Phenotypes
Megaloblastic anemia-1, Norwegian type #261100

Publications

Ellen Thomas (Genomics England Curator)

Comment on list classification: Causes proteinuria as part of Imerslund-grasbeck syndrome.
Created: 15 Apr 2016, 10:38 a.m.

Maggie Williams (North Bristol NHS Trust)

Red List (low evidence)

Lack of phenotypic fit
Created: 19 Oct 2015, 1:15 p.m.

Details

Mode of Inheritance
BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • NHS GMS
  • Expert
  • Radboud University Medical Center, Nijmegen
Phenotypes
  • Megaloblastic anemia-1, Norwegian type, OMIM:261100
OMIM
605799
Clinvar variants
Variants in AMN
Penetrance
Complete
Publications
Panels with this gene

History Filter Activity

7 Mar 2022, Gel status: 3

Set Phenotypes

Eleanor Williams (Genomics England Curator)

Phenotypes for gene: AMN were changed from Megaloblastic anemia-1, Norwegian type, 261100; (originally on the Imerslund-Grasbeck syndrome gene panel) to Megaloblastic anemia-1, Norwegian type, OMIM:261100

7 Mar 2022, Gel status: 3

Removed Tag

Eleanor Williams (Genomics England Curator)

Tag for-review was removed from gene: AMN.

7 Mar 2022, Gel status: 3

Added New Source, Status Update

Eleanor Williams (Genomics England Curator)

Source Expert Review Green was added to AMN. Rating Changed from Amber List (moderate evidence) to Green List (high evidence)

16 Oct 2020, Gel status: 2

Entity classified by Genomics England curator

Catherine Snow (Genomics England)

Gene: amn has been classified as Amber List (Moderate Evidence).

24 Jun 2020, Gel status: 3

Added Tag

Eleanor Williams (Genomics England Curator)

Tag for-review tag was added to gene: AMN.

30 Mar 2020, Gel status: 3

Entity classified by Genomics England curator

Eleanor Williams (Genomics England Curator)

Gene: amn has been classified as Green List (High Evidence).

9 Jul 2019, Gel status: 2

Entity classified by Genomics England curator

Eleanor Williams (Genomics England Curator)

Gene: amn has been classified as Amber List (Moderate Evidence).

19 Jun 2019, Gel status: 4

Set publications

Eleanor Williams (Genomics England Curator)

Publications for gene: AMN were set to 12590260

4 Feb 2019, Gel status: 3

Added New Source, Status Update

Eleanor Williams (Genomics England Curator)

Source NHS GMS was added to AMN. Rating Changed from Green List (high evidence) to Green List (high evidence)

15 Apr 2016, Gel status: 4

Gene classified by Genomics England curator

Ellen Thomas (Genomics England Curator)

This gene has been classified as Green List (High Evidence).

15 Apr 2016, Gel status: 4

Set publications

Ellen Thomas (Genomics England Curator)

Publications for AMN were set to 12590260

15 Apr 2016, Gel status: 4

Gene classified by Genomics England curator

Ellen Thomas (Genomics England Curator)

This gene has been classified as Green List (High Evidence).

28 Aug 2015, Gel status: 1

Set Mode of Inheritance

Ellen McDonagh (Genomics England Curator)

Model of inheritance for gene AMN was set to BIALLELIC, autosomal or pseudoautosomal

28 Aug 2015, Gel status: 1

Added New Source

Ellen McDonagh (Genomics England Curator)

AMN was added to Proteinuric renal diseasepanel. Source: Expert

28 Aug 2015, Gel status: 1

Added New Source

Ellen McDonagh (Genomics England Curator)

AMN was added to Proteinuric renal diseasepanel. Sources: Radboud University Medical Center, Nijmegen,Expert