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Acute promyelocytic leukemia (APL) is typified by the t(15;17), generating the PML-RAR alpha fusion and predicting a beneficial response to retinoids. However, a sizeable minority of APL cases lack the classic t(15;17), prompting the establishment of the European Working Party to further characterize this group. Such cases were referred to a workshop held(More)
PURPOSE To evaluate the incidence of and risk factors for therapy-related myelodysplasia (tMDS) and secondary acute myelogenous leukemia (sAML), after high-dose therapy (HDT) with autologous bone marrow or peripheral-blood progenitor-cell support, in patients with non-Hodgkin's lymphoma (NHL). PATIENTS AND METHODS Between January 1985 and November 1996,(More)
CEBPA encodes the transcription factor C/EBPalpha and is specifically up-regulated during granulocytic differentiation. The gene is mutated in approximately 20% of patients with acute myeloid leukemia (AML) FAB type M2 and occurs in the absence of the t(8;21). In much the same way as specific translocations are associated with a particular AML FAB type, the(More)
Using comparative genomic hybridization (CGH), aberrations in DNA copy number were studied before and after transformation of follicular lymphoma to diffuse large B-cell lymphoma in six patients (15 lymph node biopsies in total). The most common and also the most discrete and intense amplification occurring in four out of 15 biopsies from three different(More)
Advances made within the field of genomics and proteomics have facilitated the emergence of a new era of molecular diagnostics. However, ongoing rapid developments in molecular methodology ensure that this remains a complex field, accessible primarily to scientists who routinely utilize these techniques. For this reason, in this article we provide a concise(More)
Partial deletion of the long arm of chromosome 5, del(5q), is the cytogenetic hallmark of the 5q-syndrome, a distinct subtype of myelodysplastic syndrome-refractory anemia (MDS-RA). Deletions of 5q also occur in the full spectrum of other de novo and therapy-related MDS and acute myeloid leukemia (AML) types, most often in association with other chromosome(More)
In a survey of normal and cancerous human tissues we determined the distribution of immunoreactive prostatic acid phosphatase, using rabbit antiserum to acid phosphatase purified from prostatic fluid. In all normal tissues and blood cells studied except leukocytes we found less than 0.1% (expressed as micrograms per gram of wet weight of tissue) of the(More)
A study was undertaken to develop an acute myeloid leukaemia (AML) screening panel to uncover novel recurring gene mutations. Analysis was performed on six genes known to be mutated in AML (RUNX1, FLT3, KIT, CEBPA, PTPN11 and NRAS) and an additional two candidate genes (CCND3 and FES) in a panel of 175 primary human AML samples that included all(More)
We describe two cases of recurrent autoimmune cytopenias, which were subsequently diagnosed with a 22q11.2 deletion/DiGeorge syndrome. The cases are of particular interest as both possessed limited clinical features of this syndrome, and the investigation of haematological abnormalities led to the establishment of a definitive genetic diagnosis.