Down syndrome and the complexity of genome dosage imbalance

SE Antonarakis - Nature Reviews Genetics, 2017 - nature.com
Down syndrome (also known as trisomy 21) is the model human phenotype for all genomic
gain dosage imbalances, including microduplications. The functional genomic exploration of …

Effects of aneuploidy on cell behaviour and function

R Li, J Zhu - Nature Reviews Molecular Cell Biology, 2022 - nature.com
Aneuploidy, a genomic alternation characterized by deviations in the copy number of
chromosomes, affects organisms from early development through to aging. Although it is a …

Blood and immune development in human fetal bone marrow and Down syndrome

L Jardine, S Webb, I Goh, M Quiroga Londoño… - Nature, 2021 - nature.com
Haematopoiesis in the bone marrow (BM) maintains blood and immune cell production
throughout postnatal life. Haematopoiesis first emerges in human BM at 11–12 weeks after …

Transient abnormal myelopoiesis and AML in Down syndrome: an update

N Bhatnagar, L Nizery, O Tunstall, P Vyas… - Current hematologic …, 2016 - Springer
Children with constitutional trisomy 21 (Down syndrome (DS)) have a unique predisposition
to develop myeloid leukaemia of Down syndrome (ML-DS). This disorder is preceded by a …

Secondary leukemia in patients with germline transcription factor mutations (RUNX1, GATA2, CEBPA)

AL Brown, CN Hahn, HS Scott - Blood, The Journal of the …, 2020 - ashpublications.org
Recognition that germline mutations can predispose individuals to blood cancers, often
presenting as secondary leukemias, has largely been driven in the last 20 years by studies …

Stepwise GATA1 and SMC3 mutations alter megakaryocyte differentiation in a Down syndrome leukemia model

B Arkoun, E Robert, F Boudia, S Mazzi… - The Journal of …, 2023 - Am Soc Clin Investig
Acute megakaryoblastic leukemia of Down syndrome (DS-AMKL) is a model of clonal
evolution from a preleukemic transient myeloproliferative disorder requiring both a trisomy …

Gain of chromosome 21 in hematological malignancies: lessons from studying leukemia in children with Down syndrome

AP Laurent, RS Kotecha, S Malinge - Leukemia, 2020 - nature.com
Structural and numerical alterations of chromosome 21 are extremely common in
hematological malignancies. While the functional impact of chimeric transcripts from fused …

Cellular senescence and premature aging in Down Syndrome

L Peng, AA Baradar, J Aguado, E Wolvetang - Mechanisms of Ageing and …, 2023 - Elsevier
Down syndrome (DS) is a genetic disorder caused by an extra copy of chromosome 21,
resulting in cognitive impairment, physical abnormalities, and an increased risk of age …

Trisomy silencing by XIST normalizes Down syndrome cell pathogenesis demonstrated for hematopoietic defects in vitro

JC Chiang, J Jiang, PE Newburger… - Nature …, 2018 - nature.com
We previously demonstrated that an integrated XIST transgene can broadly repress one
chromosome 21 in Down syndrome (DS) pluripotent cells. Here we address whether trisomy …

RUNX1 isoform disequilibrium promotes the development of trisomy 21–associated myeloid leukemia

S Gialesaki, D Bräuer-Hartmann, H Issa, R Bhayadia… - Blood, 2023 - ashpublications.org
Abstract Gain of chromosome 21 (Hsa21) is among the most frequent aneuploidies in
leukemia. However, it remains unclear how partial or complete amplifications of Hsa21 …