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SMCHD1 variants induce variegated expression in Facio Scapulo Humeral Dystophy and Bosma Arhinia and microphtalmia syndrome.

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Homo sapiens

PROVIDER: GSE179986 | GEO | 2022/05/27

REPOSITORIES: GEO

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SMCHD1 variants induce variegated expression in Facio Scapulo Humeral Dystrophy and Bosma Arhinia and microphtalmia syndrome (Methylation).

Project description:Determination of SMCHD1 epi-signature in type 2 Facio Scapulo Humeral Dystrophy (FSHD2) and Bosma Arhinia and Microphtalmia Syndrome (BAMS).

2023-12-31 | GSE175527 | GEO

SMCHD1 variants induce variegated expression in Facio Scapulo Humeral Dystophy and Bosma Arhinia and microphtalmia syndrome (ChIP-Seq).

Project description:Determination of SMCHD1 epi-signature in type 2 Facio Scapulo Humeral Dystrophy (FSHD2) and Bosma Arhinia and Microphtalmia Syndrome (BAMS).

2023-12-31 | GSE174769 | GEO

SMCHD1 variants induce variegated expression in Facio Scapulo Humeral Dystophy and Bosma Arhinia and microphtalmia syndrome. [ChIP-Seq]

Project description:Determination of SMCHD1 epi-signature in type 2 Facio Scapulo Humeral Dystrophy (FSHD2) and Bosma Arhinia and Microphtalmia Syndrome (BAMS).

2022-05-27 | GSE179984 | GEO

SMCHD1 variants induce variegated expression in Facio Scapulo Humeral Dystophy and Bosma Arhinia and microphtalmia syndrome. [RNA-Seq]

Project description:Determination of SMCHD1 epi-signature in type 2 Facio Scapulo Humeral Dystrophy (FSHD2) and Bosma Arhinia and Microphtalmia Syndrome (BAMS).

2022-05-27 | GSE174604 | GEO

SMCHD1 variants induce variegated expression in Facio Scapulo Humeral Dystophy and Bosma Arhinia and microphtalmia syndrome.

Project description:SMCHD1 variants induce variegated expression in Facio Scapulo Humeral Dystophy and Bosma Arhinia and microphtalmia syndrome.

| PRJNA746136 | ENA

SMCHD1 variants induce variegated expression in Facio Scapulo Humeral Dystrophy and Bosma Arhinia and microphtalmia syndrome (Methylation).

Project description:SMCHD1 variants induce variegated expression in Facio Scapulo Humeral Dystrophy and Bosma Arhinia and microphtalmia syndrome (Methylation).

| PRJNA732705 | ENA

SMCHD1 variants induce variegated expression in Facio Scapulo Humeral Dystophy and Bosma Arhinia and microphtalmia syndrome. [ChIP-Seq]

Project description:SMCHD1 variants induce variegated expression in Facio Scapulo Humeral Dystophy and Bosma Arhinia and microphtalmia syndrome. [ChIP-Seq]

| PRJNA746140 | ENA

SMCHD1 variants induce variegated expression in Facio Scapulo Humeral Dystophy and Bosma Arhinia and microphtalmia syndrome. [RNA-Seq]

Project description:SMCHD1 variants induce variegated expression in Facio Scapulo Humeral Dystophy and Bosma Arhinia and microphtalmia syndrome. [RNA-Seq]

| PRJNA730717 | ENA

SMCHD1 variants induce variegated expression in Facio Scapulo Humeral Dystophy and Bosma Arhinia and microphtalmia syndrome (ChIP-Seq).

Project description:SMCHD1 variants induce variegated expression in Facio Scapulo Humeral Dystophy and Bosma Arhinia and microphtalmia syndrome (ChIP-Seq).

| PRJNA731495 | ENA

Segregation between SMCHD1 mutation, D4Z4 hypomethylation and Facio-Scapulo-Humeral Dystrophy: a case report.

Project description:BackgroundThe main form of Facio-Scapulo-Humeral muscular Dystrophy is linked to copy number reduction of the 4q D4Z4 macrosatellite (FSHD1). In 5 % of cases, FSHD phenotype appears in the absence of D4Z4 reduction (FSHD2). In 70-80 % of these patients, variants of the SMCHD1 gene segregate with 4qA haplotypes and D4Z4 hypomethylation.Case presentationWe report a family presenting with neuromuscular symptoms reminiscent of FSHD but without D4Z4 copy reduction. We characterized the 4q35 region using molecular combing, searched for mutation in the SMCHD1 gene and determined D4Z4 methylation level by sodium bisulfite sequencing. We further investigated the impact of the SMCHD1 mutation at the protein level and on the NMD-dependent degradation of transcript. In muscle, we observe moderate but significant reduction in D4Z4 methylation, not correlated with DUX4-fl expression. Exome sequencing revealed a heterozygous insertion of 7 bp in exon 37 of the SMCHD1 gene producing a loss of frame with premature stop codon 4 amino acids after the insertion (c.4614-4615insTATAATA). Both wild-type and mutated transcripts are detected.ConclusionThe truncated protein is absent and the full-length protein level is similar in patients and controls indicating that in this family, FSHD is not associated with SMCHD1 haploinsufficiency.

| S-EPMC5025538 | biostudies-literature

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