Changshan Wang

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Among mammals, only eutherians and marsupials are viviparous and have genomic imprinting that leads to parent-of-origin-specific differential gene expression. We used comparative analysis to investigate the origin of genomic imprinting in mammals. PEG10 (paternally expressed 10) is a retrotransposon-derived imprinted gene that has an essential role for the(More)
Loss-of-function mutations of EZH2, a catalytic component of polycomb repressive complex 2 (PRC2), are observed in ~\n10% of patients with myelodysplastic syndrome (MDS), but are rare in acute myeloid leukaemia (AML). Recent studies have shown that EZH2 mutations are often associated with RUNX1 mutations in MDS patients, although its pathological function(More)
During T-cell development, Cd8 expression is controlled via dynamic regulation of its cis-regulatory enhancer elements. Insufficiency of enhancer activity causes variegated Cd8 expression in CD4(+)CD8(+) double-positive (DP) thymocytes. Brd1 is a subunit of the Hbo1 histone acetyltransferase (HAT) complex responsible for acetylation of histone H3 at lysine(More)
Responding to various stimuli is indispensable for the maintenance of homeostasis. The downregulation of ribosomal RNA (rRNA) transcription is one of the mechanisms involved in the response to stimuli by various cellular processes, such as cell cycle arrest and apoptosis. Cell differentiation is caused by intra- and extracellular stimuli and is associated(More)
Numerous studies have recently reported mutations involving multiple components of the messenger RNA (mRNA) splicing machinery in patients with myelodysplastic syndrome (MDS). SF3B1 is mutated in 70% to 85% of refractory anemia with ringed sideroblasts (RARS) patients and is highly associated with the presence of RARS, although the pathological role of(More)
OBJECTIVE It was found that PAX2 (Paired Box 2) re-expression in renal tubular epithelial cells correlated with renal interstitial fibrosis of rats with obstructive nephropathy. The purpose of the present study was to identify whether RNA interference (RNAi) induced by polyethylenimine (jetPEI) could inhibit PAX2 gene re-expression and impact renal(More)
Recent genome sequencing revealed inactivating mutations in EZH2, which encodes an enzymatic component of polycomb-repressive complex 2 (PRC2), in patients with myelodysplastic syndrome (MDS), myeloproliferative neoplasms (MPNs), and MDS/MPN overlap disorders. We herein demonstrated that the hematopoietic-specific deletion of Ezh2 in mice induced(More)
Myeloproliferative neoplasms (MPN), a group of haematopoietic stem cell (HSC) disorders, are often accompanied by myelofibrosis. We previously identified the fusion of the ETV6 gene to the LYN gene (ETV6-LYN) in idiopathic myelofibrosis with ins(12;8)(p13;q11q21). The introduction of ETV6-LYN into HSCs resulted in fatal MPN with massive myelofibrosis in(More)
PURPOSE Precise understanding of radiation effects is critical to development of new modalities for the prevention and treatment of radiation-induced damage. In this study, we evaluated the effects of non-lethal doses of X-ray irradiation on human hematopoietic stem and progenitor cells (HSPC) reconstituted in NOD/Shi-scid, IL2Rγ(null) (NOG) immunodeficient(More)
EZH2 is a component of polycomb repressive complex 2 (PRC2) and functions as an H3K27 methyltransferase. Loss-of-function mutations in EZH2 are associated with poorer outcomes in patients with myeloproliferative neoplasms (MPNs), particularly those with primary myelofibrosis (MF [PMF]). To determine how EZH2 insufficiency is involved in the pathogenesis of(More)