Isogenic pairs of induced-pluripotent stem-derived endothelial cells identify DYRK1A/PPARG/EGR1 pathway is responsible for Down syndrome-associated …

H Suginobe, H Ishida, Y Ishii, K Ueda… - Human Molecular …, 2024 - academic.oup.com
Down syndrome (DS) is the most prevalent chromosomal disorder associated with a higher
incidence of pulmonary arterial hypertension (PAH). The dysfunction of vascular endothelial …

Dissection of a Down syndrome-associated trisomy to separate the gene dosage-dependent and-independent effects of an extra chromosome

Z Xing, Y Li, E Cortes-Gomez, X Jiang… - Human molecular …, 2023 - academic.oup.com
As an aneuploidy, trisomy is associated with mammalian embryonic and postnatal
abnormalities. Understanding the underlying mechanisms involved in mutant phenotypes is …

Chromosomal and cellular therapeutic approaches for Down syndrome: a research update

T Huang, S Fakurazi, PS Cheah, KH Ling - Biochemical and Biophysical …, 2024 - Elsevier
In individuals with Down syndrome (DS), an additional HSA21 chromosome copy leads to
the overexpression of a myriad of HSA21 genes, disrupting the transcription of the entire …

A human isogenic iPSC-derived cell line panel identifies major regulators of aberrant astrocyte proliferation in Down syndrome

K Kawatani, T Nambara, N Nawa… - Communications …, 2021 - nature.com
Astrocytes exert adverse effects on the brains of individuals with Down syndrome (DS).
Although a neurogenic-to-gliogenic shift in the fate-specification step has been reported, the …

4-Phenylbutyrate ameliorates apoptotic neural cell death in Down syndrome by reducing protein aggregates

K Hirata, T Nambara, K Kawatani, N Nawa… - Scientific reports, 2020 - nature.com
Individuals with Down syndrome (DS) commonly show unique pathological phenotypes
throughout their life span. Besides the specific effects of dosage-sensitive genes on …

Elimination of protein aggregates prevents premature senescence in human trisomy 21 fibroblasts

N Nawa, K Hirata, K Kawatani, T Nambara, S Omori… - PLoS …, 2019 - journals.plos.org
Chromosome abnormalities induces profound alterations in gene expression, leading to
various disease phenotypes. Recent studies on yeast and mammalian cells have …

Applications of genome editing technology in research on chromosome aneuploidy disorders

SN Akutsu, K Fujita, K Tomioka, T Miyamoto… - Cells, 2020 - mdpi.com
Chromosomal segregation errors in germ cells and early embryonic development underlie
aneuploidies, which are numerical chromosomal abnormalities causing fetal absorption …

Experimental method for haplotype phasing across the entire length of chromosome 21 in trisomy 21 cells using a chromosome elimination technique

S Wakita, M Hara, Y Kitabatake, K Kawatani… - Journal of human …, 2022 - nature.com
Modern sequencing technologies produce a single consensus sequence without
distinguishing between homologous chromosomes. Haplotype phasing solves this limitation …

The effect of trisomic chromosomes on spatial genome organization and global transcription in embryonic stem cells

M Li, J Yang, R Xiao, Y Liu, J Hu, T Li, P Wu… - Cell …, 2024 - Wiley Online Library
Aneuploidy frequently occurs in cancer and developmental diseases such as Down
syndrome, with its functional consequences implicated in dosage effects on gene …

Studying abnormal chromosomal diseases using patient-derived induced pluripotent stem cells

Y Hayashi, M Takami… - Frontiers in Cellular …, 2020 - frontiersin.org
Chromosomal abnormality causes congenital and acquired intractable diseases. In general,
there are no fundamental treatments for these diseases. To establish platforms to develop …