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Mendeliome v0.13683 DUSP6 Krithika Murali changed review comment from: PMID: 23643382 Miraoui et al 2013 - - candidate gene study for genes in the FGFR1 pathway that may be associated with CHH, either as causative genes or disease modifiers. A cohort of 386 CHH individuals and 155 unaffected controls of European descent. A number of affected individuals included in this cohort already had known causative variants in CHH-associated genes. The coding exons and proximal introns (≥15 bp from splice sites) of FGF17, FGF18, IL17RD, DUSP6, SPRY2, SPRY4, and FLRT3 were amplified by PCR and determined by direct sequencing.

Summary of DUSP6 variants identified in this study
c.229 T>A p.(Phe77Ile) - absent gnomAD v2 and v3
c.545C>T p.(Ser182Phe) - 203 hets gnomad v2, 137 hets and 1 hom - v3 - identified in conjunction with FGFR1 variant in this individual
c.566A>G p.Asn189Ser - v2 57 hets, v3 29 hets (another individual identified with this variant and an SPRY4 variant)
c.1037C>T p.Thr346Met - 81 hets v2, 27 hets and 1 hom v3 (identified in conjunction with SPRY4 variant

No segregation information provided.

PMID: 23643382 - Dusp6 null mouse model reportedly has craniofacial defects and hearing defects, but no mention of hypogonadotropic hypogonadism. In 5 unrelated individuals with congenital hypogonadotropic hypogonadism 4 heterozygous missense were identified. In 3 of the probands, the DUSP6 mutation was accompanied by a heterozygous missense mutation in another HH-associated gene. 3 of the 4 variants have subpopulation allele frequencies in gnomAD v2.1 that are higher than expected for a dominant condition: p.Thr346Met (AJ AF 0.002797), p.Ser182Phe (NFE AF 0.001396), p.Asn189Ser (NFE AF 0.0003641). No functional assays were conducted.

PMID: 32389901 - 6 unrelated male Chinese Kallman syndrome cases with 4 DUSP6 missense variants. 2 of 4 variants have East Asian allele frequencies in gnomAD v2.1 that are higher than expected for a dominant condition: p.Pro188Leu (EAS AF 0.001203), p.Arg83Gln (EAS AF 0.001129). No functional assays conducted.; to: PMID: 23643382 Miraoui et al 2013 - - candidate gene study for genes in the FGFR1 pathway that may be associated with CHH, either as causative genes or disease modifiers. A cohort of 386 CHH individuals and 155 unaffected controls of European descent. A number of affected individuals included in this cohort already had known causative variants in CHH-associated genes. The coding exons and proximal introns (≥15 bp from splice sites) of FGF17, FGF18, IL17RD, DUSP6, SPRY2, SPRY4, and FLRT3 were amplified by PCR and determined by direct sequencing.

Summary of DUSP6 variants identified in this study
c.229 T>A p.(Phe77Ile) - absent gnomAD v2 and v3
c.545C>T p.(Ser182Phe) - 203 hets gnomad v2, 137 hets and 1 hom - v3 - identified in conjunction with FGFR1 variant in this individual
c.566A>G p.Asn189Ser - v2 57 hets, v3 29 hets (another individual identified with this variant and an SPRY4 variant)
c.1037C>T p.Thr346Met - 81 hets v2, 27 hets and 1 hom v3 (identified in conjunction with SPRY4 variant

No segregation information provided. Dusp6 null mouse model reportedly has craniofacial defects and hearing defects, but no mention of hypogonadotropic hypogonadism.

PMID: 32389901 - 6 unrelated male Chinese Kallman syndrome cases with 4 DUSP6 missense variants. 2 of 4 variants have East Asian allele frequencies in gnomAD v2.1 that are higher than expected for a dominant condition: p.Pro188Leu (EAS AF 0.001203), p.Arg83Gln (EAS AF 0.001129). No functional assays conducted.
Mendeliome v0.13683 DUSP6 Krithika Murali changed review comment from: 1 study cited by OMIM (Miraoui et al 2013) - heterozygous variants in 5 unrelated individuals with congenital hypogonadotrophic hypogonadism (CHH). 4/5 variants highly prevalent in healthy population and/or in conjunction with variants in other genes either known to be associated with CHH or possibly associated. No additional studies published since this paper.

PMID: 23643382 Miraoui et al 2013 - - candidate gene study for genes in the FGFR1 pathway that may be associated with CHH, either as causative genes or disease modifiers. A cohort of 386 CHH individuals and 155 unaffected controls of European descent. A number of affected individuals included in this cohort already had known causative variants in CHH-associated genes. The coding exons and proximal introns (≥15 bp from splice sites) of FGF17, FGF18, IL17RD, DUSP6, SPRY2, SPRY4, and FLRT3 were amplified by PCR and determined by direct sequencing.

Summary of DUSP6 variants identified in this study
c.229 T>A p.(Phe77Ile) - absent gnomAD v2 and v3
c.545C>T p.(Ser182Phe) - 203 hets gnomad v2, 137 hets and 1 hom - v3 - identified in conjunction with FGFR1 variant in this individual
c.566A>G p.Asn189Ser - v2 57 hets, v3 29 hets (another individual identified with this variant and an SPRY4 variant)
c.1037C>T p.Thr346Met - 81 hets v2, 27 hets and 1 hom v3 (identified in conjunction with SPRY4 variant

No segregation information provided.; to: PMID: 23643382 Miraoui et al 2013 - - candidate gene study for genes in the FGFR1 pathway that may be associated with CHH, either as causative genes or disease modifiers. A cohort of 386 CHH individuals and 155 unaffected controls of European descent. A number of affected individuals included in this cohort already had known causative variants in CHH-associated genes. The coding exons and proximal introns (≥15 bp from splice sites) of FGF17, FGF18, IL17RD, DUSP6, SPRY2, SPRY4, and FLRT3 were amplified by PCR and determined by direct sequencing.

Summary of DUSP6 variants identified in this study
c.229 T>A p.(Phe77Ile) - absent gnomAD v2 and v3
c.545C>T p.(Ser182Phe) - 203 hets gnomad v2, 137 hets and 1 hom - v3 - identified in conjunction with FGFR1 variant in this individual
c.566A>G p.Asn189Ser - v2 57 hets, v3 29 hets (another individual identified with this variant and an SPRY4 variant)
c.1037C>T p.Thr346Met - 81 hets v2, 27 hets and 1 hom v3 (identified in conjunction with SPRY4 variant

No segregation information provided.

PMID: 23643382 - Dusp6 null mouse model reportedly has craniofacial defects and hearing defects, but no mention of hypogonadotropic hypogonadism. In 5 unrelated individuals with congenital hypogonadotropic hypogonadism 4 heterozygous missense were identified. In 3 of the probands, the DUSP6 mutation was accompanied by a heterozygous missense mutation in another HH-associated gene. 3 of the 4 variants have subpopulation allele frequencies in gnomAD v2.1 that are higher than expected for a dominant condition: p.Thr346Met (AJ AF 0.002797), p.Ser182Phe (NFE AF 0.001396), p.Asn189Ser (NFE AF 0.0003641). No functional assays were conducted.

PMID: 32389901 - 6 unrelated male Chinese Kallman syndrome cases with 4 DUSP6 missense variants. 2 of 4 variants have East Asian allele frequencies in gnomAD v2.1 that are higher than expected for a dominant condition: p.Pro188Leu (EAS AF 0.001203), p.Arg83Gln (EAS AF 0.001129). No functional assays conducted.
Mendeliome v0.10966 FGF17 Zornitza Stark Marked gene: FGF17 as ready
Mendeliome v0.10966 FGF17 Zornitza Stark Gene: fgf17 has been classified as Green List (High Evidence).
Mendeliome v0.10966 FGF17 Zornitza Stark Phenotypes for gene: FGF17 were changed from to Hypogonadotropic hypogonadism 20 with or without anosmia MIM#615270
Mendeliome v0.10965 FGF17 Zornitza Stark Publications for gene: FGF17 were set to
Mendeliome v0.10964 FGF17 Zornitza Stark Mode of inheritance for gene: FGF17 was changed from Unknown to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.10953 FGF17 Ain Roesley changed review comment from: 31200363;
1x individual

31748124
3x unrelated individuals. 1 has p.48_52del and another variant in OTUD4 (no current mendelian disease association), 1x with Pro120Leu (5 hets in gnomAD) and 1x with Lys191Arg (55 hets in gnomad)

23643382
3x unrelated individuals, including 1 large consanguineous 10-generation French Canadian family.
In this large family, 3 other variants in FGFR1, HS6ST1, and FLRT3 were identified. None of the other affecteds carried the FGF17 variant

Summary: 3x individuals with convincing evidence; to: PMID:31200363;
1x individual

PMID:31748124
3x unrelated individuals. 1 has p.48_52del and another variant in OTUD4 (no current mendelian disease association), 1x with Pro120Leu (5 hets in gnomAD) and 1x with Lys191Arg (55 hets in gnomad)

PMID:23643382
3x unrelated individuals, including 1 large consanguineous 10-generation French Canadian family.
In this large family, 3 other variants in FGFR1, HS6ST1, and FLRT3 were identified. None of the other affecteds carried the FGF17 variant

Summary: 3x individuals with convincing evidence
Mendeliome v0.10953 FGF17 Ain Roesley reviewed gene: FGF17: Rating: GREEN; Mode of pathogenicity: None; Publications: 31200363, 31748124, 23643382; Phenotypes: Hypogonadotropic hypogonadism 20 with or without anosmia MIM#615270; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted; Current diagnostic: yes
Mendeliome v0.0 FGF17 Zornitza Stark gene: FGF17 was added
gene: FGF17 was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: FGF17 was set to Unknown