PMID: 26527198

Gene: ABCA4

HGNC ID: 34

Case#: Male, mid-40s

DiseaseAssertion: STGD1

FamilyInfo: Retinal disease reported in sibling and material grandfather. Mother exhibited decreased visual acuity, BEM in right eye, and tapetal reflex in both eyes.

CasePresentingHPOs: HP:0000622, HP:0000613, HP:0000662, HP:0011504, HP:0007663, HP:0011463

CaseHPOFreeText: n/a

CaseNotHPOs: HP:0007843, HP:0011507

CaseNotHPOFreeText: Autofluorescence(qAF): 381.5. The Case's qAF was noted to be in the range observed in healthy eyes, and also lower than many other STGD1 patients with the same age. There were no flecks, intraretinal pigment migration, retinal vessel attenuation, or optic nerve pallor (Figure 1).

Genotyping Method: Sanger Sequencing

PreviouslyPublished: n/a

Variant: NM_000350.3(ABCA4):c.1411G>A (p.Glu471Lys), NM_001034853.2(RPGR):c.3070G>T (p.Glu1024Ter)

ClinVar: 99052, 1275798

SupplementalData: n/a

PMID: 25375877

Gene: ABCA4, RPGR

HGNC ID: 34, 10295

Case#:5-year-old girl

DiseaseAssertion: Asymptomatic

FamilyInfo: Mother was diagnosed with STGD1 and She was homozygous for a (severe) splice site mutation, IVS 35+2 T>C, Maternal uncle was diagnosed with STGD1. Father passed down the G1961E variant.

CasePresentingHPOs: HP:0030630, HP:0011504

CaseHPOFreeText: The ELM in the central macula appeared thickened with indistinct borders, particularly along its inner border (Fig. 2C), horizontal diameter for the region of thickened ELM was 1113 μm, FAF revealed Bull’s Eye Maculopathy (BEM) (Fig. 2B),

CaseNotHPOs:

CaseNotHPOFreeText: No retinal, vasculature, pigmentary or optic nerve head abnormalities were detected on clinical examination, no focal abnormality observed in the outer nuclear layer (ONL) or RPE (Fig. 2C), There was no FAF evidence of flecks or GA

Genotyping Method:

PreviouslyPublished: No

Variant:NM_000350.3:c.5882G>,

ClinVar:7888

CAID:CA119132

SupplementalData:

PMID: 22060670

Gene: ABCA4

HGNC ID: 34

PMID: 28050124

Gene: ABCA4

HGNC ID: 34

Case#:3, 34–year-old woman

DiseaseAssertion:NR

FamilyInfo: no family history of an ocular disease

CasePresentingHPOs: HP:0007663, HP:0030506, HP:0030528, HP:0000603

CaseHPOFreeText:bilateral markedly decreased vision (logMar BCVA OD:0.93, OS:0.95), bilateral atrophic lesions of the macula accompanied by yellow-white stellate flecks at the level of the retinal pigment epithelium, Atrophic lesions and flecks were also extending to the mid-periphery of both retinae, bilateral absolute central scotoma and relative paracentral scotomas as well in both eyes, PERG was significantly reduced, while scotopic and photopic amplitudes were also lower than normal.

CaseNotHPOs:

CaseNotHPOFreeText:NR

Genotyping Method: “Analysis of the ABCA4 gene”

PreviouslyPublished: No

Variant: NM_000350.3:c.5882G>A, NM_000350.3:c.6709dup

ClinVar: ​​7888, 99485

CAID: CA119132, CA227437

SupplementalData:

Case#:2, 29-year-old woman

DiseaseAssertion:NR

FamilyInfo:NR

CasePresentingHPOs:

CaseHPOFreeText:decreased ability to focus, increasing difficulty to adapt in the dark, normal visual acuity in both eyes (logMar BCVA OD/OS: 0.02), PERG responses were diminished in both eyes.

CaseNotHPOs:

CaseNotHPOFreeText:

Genotyping Method: ”Analysis of the ABCA4 gene”

PreviouslyPublished:No

Variant:NM_000350.3:c.1805G>A, NM_000350.3:c.6079C>T

ClinVar: 99085, 7882

CAID:CA226933, CA119129

SupplementalData:

Case#: Case 3, Sex: Male, Age:21

DiseaseAssertion: STGD

FamilyInfo: n/a

CasePresentingHPOs:

CaseHPOFreeText: Text mentions BCVA of 20/200 in both eyes. Pigmentary changes in macula associated with flecks, small inferior juxta-papillar area of subretinal fibrosis in right eye, left eye legion localized in posterior pole macula temporally. Instable fixation in right eye. Low retinal mean sensitivity in both eyes.

CaseNotHPOs:n/a

CaseNotHPOFreeText: Healthy ocular adnexa and specular transparent and 'in situ' lens. Visual acuity stable. Stable fixation in left eye.

Genotyping Method: genetic analysis

PreviouslyPublished: n/a

Variant: Variant is a heterozygous mutation given as NM_000350.3(ABCA4):c.3212C>T (p.Ser1071Leu) / NM_000350.3(ABCA4):c.667A>C (p.Lys223Gln) / NM_000350.3(ABCA4):c.3607G>A (p.Gly1203Arg)

ClinVar: Variation ID: 99208 / Variation ID: 845426/ Variation ID: 417989

SupplementalData: n/a

Case#: RP3.03, 23yo, 21yo on set, Moroccan

DiseaseAssertion: Retinitis Pigmentosa (RP19)

FamilyInfo: Born into a consanguineous family, parents are unaffected, has five unaffected siblings

CasePresentingHPOs: HP:0000505, HP:0007675, HP:0001133, HP:0007994, HP:0007843, HP:0000510, HP:0000580, HP:0007703

CaseHPOFreeText: Abnormal epiretinal membrane formation, Altered ERG traces, rod and cone photoreceptor dysfunctions, hyper fuorescence ring surrounding macula and peripheral retina, absence of cystic spaces

CaseNotHPOs: HP:0000551

CaseNotHPOFreeText: Central vision loss

Genotyping Method: Genomic DNA was extracted using QIAamp DND Blood Mini Kit, DNA underwent WES by BGI Tech Solutions, DNA was captured by MGIEasy Exome Capture V4 Probe Set, then Alligned using the Burrows-Wheeler Aligner and HaplotypeCaller of GAWK

PreviouslyPublished: CRB1, PDE6B

Variant: c.5908C>T, c.6148G>C

ClinVar: 7892, 7884

SupplementalData: Clinical data (table 1, figure 5), Genetic analysis (table 2), Patient Pedigree (figure 1.)

Case#: 1 male, 6 years old, from Taiwanese and Korean decent.

DiseaseAssertion: ABCA4-related retinopathy Stargardt disease

FamilyInfo: Single affected individual. Paternal uncle presented with Stargart disease previously, and Taiwanese and Korean descent underwent genetic testing to identify two pathogenic variants in the ABCA4 gene. One of the variants found was the same ABCA4 variant from the originally affected individual. No additional family information is provided in text.

CasePresentingHPOs: HP:0000529 - progressive visual loss, HP:0025010 - Foveal atrophy, HP:0000603 - Central scotoma, HP:0007663 - Decreased visual acuity, HP:0030602 - Abnormal fundus autofluorescence imaging, HP:0007984 - ERG: Reduced dark-adapted b-wave amplitude, HP:0000512 - Abnormal electroretinogram, HP:0020032 - Hyperreflective retinal dots on OCT

CaseHPOFreeText: peripapillary sparing was observed on fundus autofluorescence imaging.

CaseNotHPOs: HP:0012045 - Retinal flecks

CaseNotHPOFreeText: N/A

Genotyping Method: Genetic testing was used and after sequencing two variants were found on the ABCA4 gene.

PreviouslyPublished: N/A

Variant: NM_000350.3(ABCA4):c.3523-2A>G

Variant: NM_000350.3(ABCA4):c.2249T>C (p.Leu750Pro)

ClinVar: Variation ID: 866764

ClinVar: Variation ID: 417984

CAID: N/A

SupplementalData: N/A

Case#: 1 female, 12 years old.

DiseaseAssertion: bilateral stage 2B Coats disease. ABCA4 gene mutations were found upon genetic analysis but Stargardt disease was not diagnosed.

FamilyInfo: Single affected individual. Past medical history and family history was reported as normal. No additional information about family is provided in text.

CasePresentingHPOs: HP:0007663 - Reduced visual acuity, HP:0001147 - Retinal exudate, HP:0007763 - Retinal telangiectasia, HP:0025355 - Retinal arteriolar macroaneurysms, HP:0011505- Cystoid macular edema, HP:0020032 - Hyperreflective retinal dots on OCT, HP:0001045 - Vitiligo

CaseHPOFreeText: bilateral significant capillary nonperfusion noted mostly in the temporal retinal periphery together with light-bulb-like capillary dilations and staining of telangiectatic vessels. Mild intravitreal hemorrhage

CaseNotHPOs: HP:0012045 - Retinal flecks, HP:0025010 - Foveal atrophy, HP:0000603 - Central scotoma, HP:0000556 - Retinal dystrophy, HP:0000512 - Abnormal electroretinogram

CaseNotHPOFreeText: Relatively normal foveal architecture.

Genotyping Method: Genetic analysis was performed using Sanger sequencing for the NDP gene, which revealed no pathogenic variants. Exome sequencing was then used with the Illumina HiSeq 2500 platform, which identified two compound heterozygous variants in the ABCA4 gene. Lastly, no mutations were found in the TINF2 gene.

PreviouslyPublished: N/A

Variant: NM_000350.3(ABCA4):c.1373C>T (p.Arg458Cys), NM_000350.3(ABCA4):c.5882G>A (p.Gly1961Glu)

ClinVar: Variation ID: 7888 ( for p.Arg458Cys variant however I believe this is mislabeled for this variant NM_000350.3(ABCA4):c.5882G>A (p.Gly1961Glu), no variantion ID found for NM_000350.3(ABCA4):c.1373C>T (p.Arg458Cys)

CAID: N/A

SupplementalData: N/A

PMID:39398711

Gene: ABCA4

HGNC ID: 34

Case Annotation Template

Case#: 19-year-old male

DiseaseAssertion: Stargardt disease 1 (STGD1)

FamilyInfo: No family history of eye disease reported. Autosomal recessive inheritance consistent with STGD1. Homozygous ABCA4 variant identified.

CasePresentingHPOs: DecreasedCentralVA, MacularAtrophy, MacularFlecks, PeripapillarySparing, OpticNervePallor

CaseHPOFreeText: Five-year history of progressive bilateral central vision loss, worse at near. Alternating exotropia measuring 16 prism diopters in all gazes OU. Best corrected visual acuity 20/200 OU. Fundus examination revealed pigment deposition and macular mottling. Fundus autofluorescence showed central decreased autofluorescence surrounded by increased autofluorescence. Fluorescein angiography demonstrated dark choroid. OCT showed loss of the central ellipsoid zone with hyperreflective deposits. Multifocal ERG demonstrated significant functional loss.

CaseNotHPOs: NightBlindness

CaseNotHPOFreeText: Patient denied nyctalopia, photophobia, or flashes. Color vision normal on Ishihara testing.

Genotyping Method: Genotyping Method: Next-generation sequencing (NGS) with deletion/duplication analysis (Invitae Corporation).

PreviouslyPublished: N/A

Variant: ABCA4 c.52C>T (p.Arg18Trp)

ClinVar: ClinVarID:7899

CAID: N/A

SupplementalData: N/A

Case: Patient, Male, 4 months old <br /> DiseaseAssertion: SCID <br /> FamilyInfo: third child of non-consanguineous parents; has twin brother that is asymptomatic with no immune defects; no family history of primary immunodeficiencies <br /> CasePresentingHPOs: HP:0002014, HP:0020099, HP:0030148 <br /> CaseHPOFreeText: diarrhea, norovirus infection, heart murmur <br /> CaseNotHPOs: increased CRP <br /> CasePreviousTesting: N/A <br /> Gene: IL2RG <br /> Variant: NM_000206(IL2RG): <br /> ClinVar: <br /> CAID: <br /> gnomAD: <br /> SupplementalData:

Case#: 55-year-old man

DiseaseAssertion: single coronary artery (SCA) and presented with dilated cardiomyopathy (DCM)

FamilyInfo: Unremarkable

ParentalTesting: NR

CasePresentingHPOs: HP:0002094, HP:0031352, HP:0001638, HP:0001644, HP:0010741

CaseHPOFreeText: chest tightness and dyspnoea after activity lasting for 2 months. CTCA showed congenital absence of the right coronary artery. TTE revealed enlargement of the left heart and cardiomyopathy. CMR revealed DCM. oedema of both lower limbs. Laboratory data in Table 1.

CaseNotHPOs: NR

CaseNotHPOFreeText: Stenosis

CasePreviousTesting: See NGS results in Supplementary Table 1

Genotyping Method: Genetic screening (NGS results in Supplementary Table 1) with confirmation by Sanger

FunctionalAnalysis: NR

Variant: c.1858C>T (p.Arg620Cys)

ClinVar: 67694

CAID: CA015449

gnomAD: v4.1.0 GrpMax FAF: 0.00002033 (European non-Finnish)

AdditionalInfo: The patient also has APOA5:c.990_993delAACA (p. Asp332Valfs*5) (P/LP in ClinVar with 2 stars)

Gene: DICER1 PMCID: PMC8451242 PMID: 34552563 Pathogenic Inheritance Pattern: Autosomal Dominant MultipleDiseaseEntities Disease Entity: DICER1 syndrome, multinodular goitre, cystic nephroma, anaplastic renal sarcoma, Wilms tumour, differentiated thyroid carcinoma, gynandroblastoma, ciliary body medulloepithelioma, embryonal rhabdomyosarcoma, pineoblastoma, pituitary blastoma, kidney cyst, pulmonary cyst, Sertoli-Leydig Cell Tumor. Mutation: Germline MultipleGeneVariants Variant & Clinvar IDs: c.3452_3453del (485534), c.316del (no ClinVar ID), c.171_172insAC (no ClinVar ID), c.3434del (no ClinVar ID), c.988C>T (933007), c.5388dup (no ClinVar ID) Zygosity: None provided. Case: At time of operation, the goitre patients living in Denmark were ages 21, 12, 21, 8, 14, and 16. Four underwent total thyroidectomies, and two underwent partial thyroidectomies. The patient originally aged 21 previously had a kidney cyst at age 14 and a pulmonary cyst at an unknown age. The patient aged 14 at time of partial thyroidectomy later manifested a Sertoli-Leydig Cell Tumor at age 15. All six patients were female. CasePresentingHPO: None provided. CasePreviousTesting: thyroidectomy gnomAD: ENSG00000100697.10, https://gnomad.broadinstitute.org/gene/ENSG00000100697 Mutation Type: Frameshift, Nonsense

• Gene Name: DICER1 Syndrome (OMIM 606241, 601200)
• PMID: 34599283
• Hugo Gene Nomenclature Committee (HGNCID): N/A
• Inheritance Pattern: Autosomal Dominant
• Disease Entity: pleuropulmonary blastoma (PPB), Sertoli-Leydig cell tumor, gynandroblastoma, embryonal rhabdomyosarcomas of the cervix and other sites, multinodular goiter, differentiated and poorly differentiated thyroid carcinoma, cervical-thyroid teratoma, cystic nephroma-anaplastic sarcoma of kidney, nasal chondromesenchymal hamartoma, intestinal juvenile-like hamartomatous polyp, ciliary body medulloepithelioma, pituitary blastoma, pineoblastoma, primary central nervous system sarcoma, embryonal tumor with multilayered rosettes-like cerebellar tumor, PPB-like peritoneal sarcoma, DICER1-associated presacral malignant teratoid neoplasm and other non-neoplastic associations.
• Mutation: Germline
• Zygosity: Heterozygous
• Variant: has multiple variants associated with it
• Family Information: Germ cell tumors have been reported in family members
• Case: identified affected families w/ pleuropulmonary blastoma (PPB): germline and somatic DICER1 mutations also identified in other familial associated tumors
• CasePreviousTesting: numerous studies confirmed relationship b/t DICER1 variants in carriers and development of range neoplasms and non-neoplastic conditions

GeneName: DICER1 PMID: 30715996 HGNCID: N/A Inherritence pattern: autosomal dominant Disease Entity: multiple gene variants mutation: germline Zygosity: N/A Variant: Not found Family Info: N/A

Gene: DICER1 PMID: 30672147 HGNCID: n/a Inheritance Pattern: autosomal dominant Disease Entity: Pleuropulmonary Blastoma, Cystic Nephroma, Sertoli-Leydig tumors, Multinodular goiter, thyroid cancer, rhabdomysarcoma, pineoblastoma Mutation: Germline Zygosity: n/a MultipleGeneVariants Variant: p.Gly1824Val, p.Ser1160Tyr, p.Ala1578Thr, p.Leu1469Pro, p.Ser1160Tyr, p.Ile528Thr, p.Pro1836Leu, p.Glu904*, p.Tyr1835Ser, p.Ile528Thr, p.Arg1342His, p.Phe1650Cys, p.Trp1481Arg, p.Arg201His, p.Asp1390His, p.Trp1397Arg, p.Ala1578Thr <br /> Family Info: n/a gnomAD: n/a

Gene Name: OMIN PMID: 34599283 Autosomal Dominant Gynandroblastoma cERMS Pediatric Paratesticular Sarcomas nephrolithiasis or nephrocalcinonsis Cystic Nephroma Anaplastic Sarcoma of Kidney Wilms tumor Cystic Hepatic Neoplasm Hamartomatous polyps

Germline mutation heterozygosity Multiple Gene Variants There is usually a family history or a carrier for the mutation it rarely occurs out of nowhere.