Activity
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| Retinal disorders v8.60 | FRMD7 | Achchuthan Shanmugasundram commented on gene: FRMD7: This gene is proposed for green rating based on sufficient evidence for the association of FRMD7 variants with foveal hypoplasia. However, expert review is sought from NHS Genomic Laboratory Hubs on the relevance of this phenotype to the scope of retinal disorders panel. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Retinal disorders v8.60 | FRMD7 |
Achchuthan Shanmugasundram Tag Q3_25_promote_green tag was added to gene: FRMD7. Tag Q3_25_expert_review tag was added to gene: FRMD7. |
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| Retinal disorders v8.60 | FRMD7 | Achchuthan Shanmugasundram Added comment: Comment on phenotypes: OMIM accessed on 04 November 2025. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Retinal disorders v8.60 | FRMD7 | Achchuthan Shanmugasundram Phenotypes for gene: FRMD7 were changed from Nystagmus 1, congenital, X-linked, OMIM:310700; Nystagmus, infantile periodic alternating, X-linked, OMIM:310700; foveal hypoplasia, MONDO:0044203 to Nystagmus 1, congenital, X-linked, OMIM:310700; Nystagmus, infantile periodic alternating, X-linked, OMIM:310700; foveal hypoplasia, MONDO:0044203 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Retinal disorders v7.1 | FRMD7 | Sarah Leigh changed review comment from: FRMD7 variants have been associated with Nystagmus 1, congenital, X-linked (OMIM:310700) and it is a definitive G2P gene for the same condition. In a multicenter study of the Genotypic and Phenotypic Spectrum of Foveal Hypoplasia (FH), Kuht et al (PMID: 35157951) report that FRMD7 variants are associated with 3.5% of the FH cases in the study population. This study also revealed that FRMD7 variants are involved in grade 1 FH or normal foveal morphology and consequently with a good visual acuity in the patients. It was postulated that this maybe due to the delayed action of the FRMD7 variants during development.; to: FRMD7 variants have been associated with Nystagmus 1, congenital, X-linked (OMIM:310700) and it is a definitive G2P gene for the same condition. In a multicenter study of the Genotypic and Phenotypic Spectrum of Foveal Hypoplasia (FH), Kuht et al (PMID: 35157951) report that FRMD7 variants are associated with 3.5% of the FH cases in the study population (a total of 17 FRMD7 variants are recorded in this study - supplementary file 4). This study also revealed that FRMD7 variants are involved in grade 1 FH or normal foveal morphology and consequently with a good visual acuity in the patients. It was postulated that this maybe due to the delayed action of the FRMD7 variants during development. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Retinal disorders v7.1 | FRMD7 | Sarah Leigh edited their review of gene: FRMD7: Changed rating: AMBER | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Retinal disorders v7.1 | FRMD7 | Sarah Leigh reviewed gene: FRMD7: Rating: GREEN; Mode of pathogenicity: None; Publications: 35157951; Phenotypes: ; Mode of inheritance: None | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Retinal disorders v5.15 | FRMD7 | Mohammed Derar edited their review of gene: FRMD7: Added comment: Further evidence from a study studing 904 patients with foveal hypoplasia detected FRMD7 variants in 3.5% of the cohort. The phenotype associated with FRMD7 mutations was a grade 1 foveal hypoplasia.; Changed publications to: (Choi et al., 2018) (PMID: 30025138), (Thomas et al., 2014) (PMID:24688117), (Kuht et al., 2022) (PMID:35157951) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Retinal disorders v5.15 | FRMD7 |
Mohammed Derar changed review comment from: Mutations in FRMD7 are known to cause infantile nystagmus in an X-linked inheritance (Choi et al., 2018). Recently, with the aid of spectral domain OCT, patients with missense, splice site and nonsense variants in FRMD7 showed a shallow foveal pit diagnosed as grade 1foveal hypoplasia (Thomas et al., 2014) Sources: Literature; to: Mutations in FRMD7 are known to cause infantile nystagmus in an X-linked inheritance (Choi et al., 2018). Recently, with the aid of spectral domain OCT, patients with missense, splice site and nonsense variants in FRMD7 showed a shallow foveal pit diagnosed as grade 1foveal hypoplasia (Thomas et al., 2014) Sources: Literature |
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| Retinal disorders v2.273 | FRMD7 |
Ivone Leong changed review comment from: Comment on list classification: New gene added by Mohammed Derar (University of Leeds). This gene is associated with a disease in OMIM and Gene2Phenotype. PMID: 35157951 found patients with FRMD7 variants had grade 1 foveal hypoplasia or normal foveal morphology. PMID: 30025138 did not perform any tests to look at foveal hypoplasia. PMID: 33531592 showed a an FRMD7 variant in one sibling (proband) of a dizygotic twin pair. The other sibling is unaffected. The family reported nystagmus in another male sibling and the maternal grandfather; however, it is unclear whether these two individuals were also tested for FRMD7 variant. The proband had foveal hypoplasia. As it does not appear all patients with variants PMID: 30015830 identified causative variants in two brothers from a Chinese family who had been diagnosed with idiopathic congenital nystagmus. Retinal OCT was conducted and was found to be normal. As foveal hypoplasia does not appear to affect all individuals with FRMD7 variants, this gene has been referred to NHS GMS working group to determine if this gene is appropriate for this panel.; to: Comment on list classification: New gene added by Mohammed Derar (University of Leeds). This gene is associated with a disease in OMIM and Gene2Phenotype. PMID: 35157951 found patients with FRMD7 variants had grade 1 foveal hypoplasia or normal foveal morphology. PMID: 30025138 did not perform any tests to look at foveal hypoplasia. PMID: 33531592 showed a an FRMD7 variant in one sibling (proband) of a dizygotic twin pair. The other sibling is unaffected. The family reported nystagmus in another male sibling and the maternal grandfather; however, it is unclear whether these two individuals were also tested for FRMD7 variant. The proband had foveal hypoplasia. As it does not appear all patients with variants PMID: 30015830 identified causative variants in two brothers from a Chinese family who had been diagnosed with idiopathic congenital nystagmus. Retinal OCT was conducted and was found to be normal. Nystagmus is the presenting feature and foveal hypoplasia does not appear to affect all individuals with FRMD7 variants. This gene is already Green on the "Albinism or congenital nystagmus" (version 1.23) panel; therefore, this gene will remain as Amber for now. |
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| Retinal disorders v2.273 | FRMD7 |
Ivone Leong Tag Q2_22_rating was removed from gene: FRMD7. Tag Q2_22_expert_review was removed from gene: FRMD7. Tag Q2_22_NHS_review was removed from gene: FRMD7. |
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| Retinal disorders v2.271 | FRMD7 | Ivone Leong Phenotypes for gene: FRMD7 were changed from Infantile nystagmus; foveal hypoplasia to Nystagmus 1, congenital, X-linked, OMIM:310700; Nystagmus, infantile periodic alternating, X-linked, OMIM:310700; foveal hypoplasia, MONDO:0044203 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Retinal disorders v2.270 | FRMD7 | Ivone Leong Publications for gene: FRMD7 were set to 30025138; 24688117 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Retinal disorders v2.269 | FRMD7 | Ivone Leong Classified gene: FRMD7 as Amber List (moderate evidence) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Retinal disorders v2.269 | FRMD7 |
Ivone Leong Added comment: Comment on list classification: New gene added by Mohammed Derar (University of Leeds). This gene is associated with a disease in OMIM and Gene2Phenotype. PMID: 35157951 found patients with FRMD7 variants had grade 1 foveal hypoplasia or normal foveal morphology. PMID: 30025138 did not perform any tests to look at foveal hypoplasia. PMID: 33531592 showed a an FRMD7 variant in one sibling (proband) of a dizygotic twin pair. The other sibling is unaffected. The family reported nystagmus in another male sibling and the maternal grandfather; however, it is unclear whether these two individuals were also tested for FRMD7 variant. The proband had foveal hypoplasia. As it does not appear all patients with variants PMID: 30015830 identified causative variants in two brothers from a Chinese family who had been diagnosed with idiopathic congenital nystagmus. Retinal OCT was conducted and was found to be normal. As foveal hypoplasia does not appear to affect all individuals with FRMD7 variants, this gene has been referred to NHS GMS working group to determine if this gene is appropriate for this panel. |
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| Retinal disorders v2.269 | FRMD7 | Ivone Leong Gene: frmd7 has been classified as Amber List (Moderate Evidence). | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Retinal disorders v2.268 | FRMD7 | Ivone Leong Tag Q2_22_rating tag was added to gene: FRMD7. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Retinal disorders v2.268 | FRMD7 |
Ivone Leong Tag Q2_22_expert_review tag was added to gene: FRMD7. Tag Q2_22_NHS_review tag was added to gene: FRMD7. |
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| Retinal disorders v2.268 | FRMD7 | Ivone Leong Publications for gene: FRMD7 were set to Choi et al. (2018) (PMID: 30025138); Thomas et al. (2014) (PMID:24688117) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Retinal disorders v2.242 | FRMD7 |
Mohammed Derar gene: FRMD7 was added gene: FRMD7 was added to Retinal disorders. Sources: Literature Mode of inheritance for gene: FRMD7 was set to X-LINKED: hemizygous mutation in males, biallelic mutations in females Publications for gene: FRMD7 were set to Choi et al. (2018) (PMID: 30025138); Thomas et al. (2014) (PMID:24688117) Phenotypes for gene: FRMD7 were set to Infantile nystagmus; foveal hypoplasia Penetrance for gene: FRMD7 were set to unknown Review for gene: FRMD7 was set to GREEN Added comment: Mutations in FRMD7 are known to cause infantile nystagmus in an X-linked inheritance (Choi et al., 2018). Recently, with the aid of spectral domain OCT, patients with missense, splice site and nonsense variants in FRMD7 showed a shallow foveal pit diagnosed as grade 1foveal hypoplasia (Thomas et al., 2014) Sources: Literature |
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