27 Result(s)
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Chor-Sang Chim
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Open AccessPrognostic factors in 448 newly diagnosed multiple myeloma receiving bortezomib-based induction: impact of ASCT, transplant refusal and high-risk MM
In Hong Kong, newly diagnosed multiple myeloma (NDMM) receives bortezomib-based triplet induction. Upfront autologous stem cell transplant (ASCT) is offered to transplant eligible (TE) patients (NDMM ≤ 65 year...
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Open AccessmiR-1250-5p is a novel tumor suppressive intronic miRNA hypermethylated in non-Hodgkin’s lymphoma: novel targets with impact on ERK signaling and cell migration
miR-1250 is localised to the second intron of AATK at chromosome 17q25. As a CpG island is present at the putative promoter region of its host gene, AATK, we postulated that the intronic miR-1250-5p is a tumor...
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Open AccessA proof-of-concept study for the pathogenetic role of enhancer hypomethylation of MYBPHL in multiple myeloma
Enhancer DNA methylation and expression of MYBPHL was studied in multiple myeloma (MM). By bisulfite genomic sequencing, among the three CpGs inside the MYBPHL enhancer, CpG1 was significantly hypomethylated in M...
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Open AccessEpigenetic silencing of miR-342-3p in B cell lymphoma and its impact on autophagy
miR-342-3p, localized to 14q32, is a tumor suppressor miRNA implicated in carcinogenesis. Given the presence of a promotor-associated CpG island for its host gene, EVL, we hypothesized that intronic miR-342-3p is...
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Open AccessEpigenetic silencing of long non-coding RNA BM742401 in multiple myeloma: impact on prognosis and myeloma dissemination
Long non-coding RNA (lncRNA) BM742401 is a tumor suppressor in gastric cancer and chronic lymphocytic leukemia. As the promoter and coding region of BM742401 are fully embedded in a CpG island, we hypothesized th...
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Open AccessPomalidomide and dexamethasone combination with additional cyclophosphamide in relapsed/refractory multiple myeloma (AMN001)—a trial by the Asian Myeloma Network
Pomalidomide is a third generation immunomodulatory drug which in combination with dexamethasone, has been shown to be active in relapsed/refractory multiple myeloma. However, the data in Asian patients remain...
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Open AccessEpigenetic silencing of miR-340-5p in multiple myeloma: mechanisms and prognostic impact
miR-340-5p, localized to 5q35, is a tumor suppressor miRNA implicated in multiple cancers. As a CpG island is present at the putative promoter region of its host gene, RNF130, we hypothesized that the intronic mi...
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Survival differences in multiple myeloma in Latin America and Asia: a comparison involving 3664 patients from regional registries
In previous observational studies, we have separately characterized patients with multiple myeloma (MM) both from Latin America (LA) and from Asia. Here, we analyze these two datasets jointly, in order to asse...
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Open AccessDistinct promoter methylation profile reveals spatial epigenetic heterogeneity in 2 myeloma patients with multifocal extramedullary relapses
Spatial and subclonal genetic heterogeneity in multiple myeloma (MM) have been demonstrated by sequencing of plasma cells from multi-focal regions, but studies of spatial epigenetic heterogeneity are scanty. H...
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Open AccessFrequent functional activation of RAS signalling not explained by RAS/RAF mutations in relapsed/refractory multiple myeloma
RAS mutations are frequent in relapsed/refractory multiple myeloma (RRMM) but functional study in primary samples is scanty. Herein, in primary myeloma plasma cells of 17 suspected RRMM, functional activation of ...
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Disseminated fusarium infection after ibrutinib therapy in chronic lymphocytic leukaemia
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Open AccessHigh applicability of ASO-RQPCR for detection of minimal residual disease in multiple myeloma by entirely patient-specific primers/probes
Allele-specific oligonucleotide real-time quantitative PCR (ASO-RQPCR) is a standardized technique for detection and monitoring of minimal residual disease (MRD) in acute lymphoblastic leukemia (ALL) but not m...
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Open AccessEpigenetic silencing of a long non-coding RNA KIAA0495 in multiple myeloma
In multiple myeloma, a long non-coding RNA, KIAA0495 (alias PDAM/TP73-AS1), had been found progressively downregulated from normal plasma cell to benign monoclonal gammopathy of undetermined significance to sympt...
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Open AccessPharmacokinetics and safety of ixazomib plus lenalidomide–dexamethasone in Asian patients with relapsed/refractory myeloma: a phase 1 study
The oral proteasome inhibitor ixazomib is under phase 3 clinical investigation in multiple myeloma (MM) in combination with lenalidomide–dexamethasone. This study was conducted to investigate the pharmacokinet...
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Breakthrough invasive fungal diseases during echinocandin treatment in high-risk hospitalized hematologic patients
The frequency of breakthrough invasive fungal diseases (IFDs) during echinocandin therapy is unclear. We retrospectively analyzed 534 hematologic patients treated with echinocandin (caspofungin, N = 55; micafungi...
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Open AccessEpigenetic inactivation of mir-34b/c in addition to mir-34a and DAPK1 in chronic lymphocytic leukemia
TP53 mutation/deletion is uncommon in chronic lymphocytic leukemia (CLL). We postulated that components of TP53-centered tumor suppressor network, miR-34b/c, in addition to DAPK1 and miR-34a might be inactivated...
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Open AccessEpigenetic inactivation of miR-9 family microRNAs in chronic lymphocytic leukemia - implications on constitutive activation of NFκB pathway
The miR-9 family microRNAs have been identified as a tumor suppressor miRNA in cancers. We postulated that miR-9-1, miR-9-2 and miR-9-3 might be inactivated by DNA hypermethylation in chronic lymphocytic leukemia...
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Open AccessEstablishment of a bortezomib-resistant Chinese human multiple myeloma cell line: MMLAL
A new human myeloma cell line, MMLAL, was established from the myelomatous pleural effusion of a 73-year-old Chinese patient suffering from symptomatic International stage III IgG/lambda myeloma. After a brief...
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Hodgkin’s lymphoma as a second cancer in multiple myeloma never exposed to lenalidomide
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Open AccessEpigenetic inactivation of the MIR129-2 in hematological malignancies
MIR129-2 has been shown to be a tumor suppressor microRNA hypermethylated in epithelial cancers.
