Ontology highlight
ABSTRACT:
PROVIDER: PRJNA669897 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR12845249_1.fastq.gz | Fastqsanger.gz | |||
| SRR12845249_2.fastq.gz | Fastqsanger.gz | |||
| SRR12845250_1.fastq.gz | Fastqsanger.gz | |||
| SRR12845250_2.fastq.gz | Fastqsanger.gz | |||
| SRR12845251_1.fastq.gz | Fastqsanger.gz |
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Project description:Background: Autosomal dominant osteopetrosis type II (ADO2) is a rare human genetic disease that has been broadly studied as an important osteopetrosis model; however, there are no disease-specific induced pluripotent stem cells (ADO2-iPSCs) that may be valuable for understanding the pathogenesis and may be a potential source of cells for autologous cell therapy. Methods: To generate the first human ADO2-iPSCs from a Chinese family with ADO2 and to identify their characteristics, blood samples were collected from the proband and his parents and were used for genotyping by whole-exome sequencing (WES); the urine-derived cells of the proband were reprogrammed with episomal plasmids that contained transcription factors, such as KLF4, OCT4, c-MYC, and SOX2. The proteome-wide analysis of lysine 2-hydroxyisobutyrylation in the ADO2-iPSCs and control cell lines was performed by high-resolution LC-MS/MS and a bioinformatics analysis. Results: WES with filtering strategies identified a mutation in CLCN7 (R286W) in the proband and his father, which was absent in the proband’s mother and the healthy controls; this was confirmed by Sanger sequencing. The ADO2-iPSCs were successfully generated, which carried the normal male karyotype (46, XY) and carried the mutation of CLCN7 (R286W); the ADO2-iPSCs positively expressed alkaline phosphatase and other surface markers; and no vector and transgene was detected. The ADO2-iPSCs could differentiate into all three germ cell layers, both in vitro and in vivo. Our proteomic profiling detected 7, 405 proteins and revealed 3,684 2-hydroxyisobutyrylated sites in 1,036 proteins in the ADO2-iPSCs. Conclusions: Our data indicated that mutation CLCN7 (R286W) may be a cause of the osteopetrosis family. The generated vector-free and transgene-free ADO2-iPSCs with identified lysine 2-hydroxyisobutyrylation may be valuable for personalized and cell-based regenerative medicine in the future.
2022-02-15 | PXD014227 | Pride
Project description:Familial nonmedullary thyroid cancer (FNMTC) is a disease with the inheritance pattern is autosomal dominant with incomplete penetrance, but the causative gene is not clear. To identify the disease related locus in the FNMTC family, whole-genome SNPs of nine family members (five affected and four unaffected) were genotyped. We analyzed the SNP data with a novel method and mapped the disease-causing gene to several regions on the whole genome.
2017-12-31 | GSE75312 | GEO
Project description:Inherited bone marrow failure (BMF) syndromes are a heterogeneous group of diseases characterised by defective hematopoiesis and often predispose to myelodysplastic syndrome (MDS) and acute myeloid leukemia. We have studied a large family consisting of several affected individuals with hematological abnormalities including one family member who died of acute leukemia. By whole exome sequencing, we identified a novel frameshift variant in the ubiquitously expressed transcription factor specificity protein 1 SP1). This heterozygous variant (c.1995delA) truncates the canonical Sp1 molecule in the highly conserved C-terminal DNA binding zinc finger domains. Functional characterisation of the truncated Sp1 molecule revealed compromised DNA binding ability and educed stability. Transcriptomic analysis and gene promoter characterisation in patients’ blood revealed a hypermorphic effect of this Sp1 variant, triggering superactivation of Sp1-mediated transcription and driving a significant upregulation of Sp1 target genes. his familial genetic study indicates a central role for Sp1 in causing autosomal dominant transmission of BMF, thereby confirming its critical role in hematopoiesis in humans.
2020-06-12 | GSE152262 | GEO
Project description:Syndactyly type 1 (SD1) is an autosomal dominant limb malformation characterized in its classical form by complete or partial webbing between the third and fourth fingers and/or the second and third toes. Four subtypes (a, b, c and d) are defined based on variable phenotypes, but the disease genes remain unidentified. SD1-a have been mapped to chromosome 3p21.31 and SD1-b to 2q34-q36. SD1-c and SD1-d are very rare and no gene loci are known for them. We performed linkage and haplotype analyses in two Han Chinese families with SD1-c, and refined the disease locus to 2q31- 2q32. In the large family A, mutation of c.917G>A (p.R306Q) in the homodomain of HOXD13 was indentified. Family B was confirmed with genetic homogeneity and the mutation was c.916C>G (p.R306G). CNV analysis by array CGH excluded possible microdeletion or microduplication. SD1c patient sample in the SD1c family vs common control outside the family, healthy control sample in the SD1c family vs common control outside the family
2014-06-01 | E-GEOD-55181 | biostudies-arrayexpress
Project description:Syndactyly type 1 (SD1) is an autosomal dominant limb malformation characterized in its classical form by complete or partial webbing between the third and fourth fingers and/or the second and third toes. Four subtypes (a, b, c and d) are defined based on variable phenotypes, but the disease genes remain unidentified. SD1-a have been mapped to chromosome 3p21.31 and SD1-b to 2q34-q36. SD1-c and SD1-d are very rare and no gene loci are known for them. We performed linkage and haplotype analyses in two Han Chinese families with SD1-c, and refined the disease locus to 2q31- 2q32. In the large family A, mutation of c.917G>A (p.R306Q) in the homodomain of HOXD13 was indentified. Family B was confirmed with genetic homogeneity and the mutation was c.916C>G (p.R306G). CNV analysis by array CGH excluded possible microdeletion or microduplication.
2014-06-01 | GSE55181 | GEO
Project description:The paired box gene 6 (PAX6) is an essential transcription factor for eye formation. Genetic alterations in PAX6 can lead to various ocular malformations including aniridia. The purpose of this study was to identify genetic defects as the underlying cause of familial coloboma of iris in a large Chinese family. After linkage analysis was carried out in this family, all exons of PAX6 in the proband were sequenced by the Sanger sequencing technique. Then the genome of the proband was evaluated by a microarray-based comparative genomic hybridization (aCGH). Quantitative real-time PCR was applied to verify the abnormal aCGH findings. All patients presented bilateral partial coloboma of iris, severe congenital nystagmus, hyperpresbyopia and congenital posterior polar cataracts. Two-point linkage analysis in the autosomal dominant family showed loss of heterozygosity at the D11S914 locus. There was no pathogenic mutation in the exons of PAX6. The aCGH analysis revealed a 681 kb heterozygous deletion on chromosome 11p13. Quantitative real-time PCR verified the deletion in the patients and further confirmed this deletion cosegregation with the coloboma of iris phenotype in the family. The 681 kb large deletion of chromosome 11p13 downstream of PAX6 is the genetic cause of the familial coloboma of ocular in this large Chinese family. aCGH should be applied if there is a negative result for the mutation detection of PAX6 in patients with aniridia.
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