• Following diagnosis and treatment as pre-B cell acute lymphoblastic leukaemia (pre-B ALL) the patient developed an acute myeloid leukaemia (AML) which was refractory to all available curative therapies. (cambridgemedicine.org)
  • The peripheral monocytosis leads us to believe that this patient may have transformed via a juvenile myelomonocytic leukaemia (JMML) which subsequently transformed into a refractory AML. (cambridgemedicine.org)
  • Leukaemia stem cells (LSC) are identified by high CD34 and negative CD38 expression. (ghrnet.org)
  • Spliceosome mutations are common in myelodysplastic syndromes (MDS) and acute myeloid leukaemia (AML), but the oncogenic changes due to these mutations have not been identified. (cancer-genetics.org)
  • [ 1 , 2 , 3 ] Owing to the variety of hematologic malignancies or proliferative disorders that may be associated with leukemia cutis, terms such as myeloid or lymphoid leukemia cutis have been used to further classify the leukemic cells. (medscape.com)
  • Leukemia cutis has been described in patients with myeloid and lymphoid types of leukemias. (medscape.com)
  • Cutaneous infiltration by neoplastic lymphocytes may be seen in acute myeloid leukemia , acute lymphocytic leukemia , chronic myeloid leukemia , chronic lymphoid leukemia , hairy cell leukemia, prolymphocytic leukemia, chronic myelomonocytic leukemia, and myelodysplastic syndromes . (medscape.com)
  • The presence of the characteristic chromosomal translocation always involving the fibroblast growth factor receptor 1 ( FGFR1 ) gene at chromosome 8p11 in both the myeloid and lymphoid malignancies suggests bilineage differentiation from an affected pluripotent stem cell. (medscape.com)
  • Flow cytometry of the bone marrow revealed that the blast cells expressed B lymphoid lineage associated antigens (Figure 1 ) and hence the patient was diagnosed with pre-B ALL. (cambridgemedicine.org)
  • At the end of induction the bone marrow was hypercellular with 6% myeloid blasts by flow cytometry but no excess of lymphoid blasts (Figure 2 ). (cambridgemedicine.org)
  • Flow cytometry found 32% myeloid blasts and immature B cells with a similar phenotype to the lymphoid blasts found at diagnosis. (cambridgemedicine.org)
  • CCDC88C-FLT3 gene fusion in CD34-positive haematopoietic stem and multilineage cells in myeloid/lymphoid neoplasm with eosinophilia. (u-tokyo-hemat.com)
  • U2AF1 mutations induce oncogenic IRAK4 isoforms and activate innate immune pathways in myeloid malignancies. (cancer-genetics.org)
  • Aberrant NFAT signaling is causally involved in the development of chronic lymphocytic leukemia, non-Hodgkin lymphoma, pancreatic cancer, and several other malignancies. (biomedcentral.com)
  • She is a pre-eminent expert in the use of hematopoietic stem cell transplantation for treating radiation injuries and blood disease, especially leukemia, aplastic anemia and myelodysplastic syndrome. (wikipedia.org)
  • Leukemia cutis usually occurs in the setting of a previously diagnosed systemic leukemia or lymphoproliferative disorder/myelodysplastic syndrome. (medscape.com)
  • Two nucleoside inhibitors of DNA methylation, azacitidine and decitabine, are now standard of care for the treatment of the myelodysplastic syndrome, a deadly form of leukemia. (aacrjournals.org)
  • ALK is one of the receptor tyrosine kinase (RTK) family of enzymes, which have significant roles in the proliferation and differentiation of cells. (lab-ally.com)
  • Taking advantage of the diverse γδ TCR repertoire or other ligand-receptor interactions, γδ T cells can recognize a broad spectrum of tumor-associated antigens (TAAs) in a major histocompatibility complex (MHC)-independent manner, thereby activating downstream pleiotropic effects. (explorationpub.com)
  • She has co-authored five monographs, including "Hematopoietic stem cell transplantation clinical and basic," "Modern leukemia study," "Clinical and basic research of radiation sickness," and two more books. (wikipedia.org)
  • 2009 Changes of lymphocyte subsets in acute leukemia patients after HLA-mismatched nonmyeloablative hematopoietic stem cell transplantation 2010 "Efficacy of bone marrow-derived mesenchymal stem cells in the treatment of sclerodermatous chronic graft-versus-host disease: clinical report", published in Biol Blood Marrow Transplant 2009 A modified haploidentical nonmyeloablative transplantation without T cell depletion for high-risk acute leukemia: successful engraftment and mild GVHD" published in Biol Blood Marrow Transplant. (wikipedia.org)
  • Accumulation of genetic defects in hematopoietic precursors leads to impaired cellular differentiation, increased proliferative potential, unregulated proliferation, and defective apoptosis. (medscape.com)
  • The subtype of leukemia is determined by the hematopoietic lineage of neoplastic cells and the stage at which maturational arrest occurs. (medscape.com)
  • There is clonal proliferation of malignant hematopoietic stem cells, dysregulated cellular differentiation, and compromised tissue function. (standardofcare.com)
  • A heterogenous group of myeloid disorders characterized by somatically mutated hematopoietic stem cells,the presence of variable peripheral cytopenias, and a broad risk of progression to acute myeloid leukemia (AML). (standardofcare.com)
  • Myeloid neoplasms are clonal hematopoietic stem cell disorders driven by the sequential acquisition of recurrent genetic lesions. (nature.com)
  • Chronic myeloid neoplasms are malignant clonal hematopoietic stem cell disorders driven by recurrent genetic events, with an inherent risk of transformation to acute myeloid leukemia (AML) 1 , 2 . (nature.com)
  • Aberrant expression of a third marker such as Thy-1/CD90 negativity, expression of CLL-1 and IL-3R (CD123), intermediate levels of aldehyde dehydrogenase and co-expression of common chromosomal translocation may be used to distinguish from normal hematopoietic stem cells. (ghrnet.org)
  • Precisely how mutant TET2 contributes to AITL oncogenesis is unclear, but experimental data has shown that hematopoietic stem cells (HSCs) are particularly vulnerable to disruption of TET2 function resulting in increased self-renewal capacity and altered terminal differentiation [ 18 ]. (biomedcentral.com)
  • Our research focuses on developmental pathways that regulate hematopoietic cell growth and differentiation and are disrupted in the course of neoplastic transformation, particularly in leukemias and lymphomas. (stanford.edu)
  • This mechanism also applies to hematopoietic cells transformed by other HOX genes, including CDX2, which is highly expressed in a majority of acute myeloid leukemias, thus providing a molecular approach based on GSK-3 inhibitory strategies to target HOX-associated transcription in a broad spectrum of leukemias. (stanford.edu)
  • Acute leukemias induced by MLL chimeric oncoproteins are among the subset of cancers distinguished by a paradoxical dependence on GSK-3 kinase activity for sustained proliferation. (stanford.edu)
  • The acute leukemia is resistant to conventional chemotherapy. (medscape.com)
  • Prompt Initiation of Conventional Chemotherapy to Avoid Early Death in Patients with Newly Diagnosed Acute Promyelocytic Leukemia. (u-tokyo-hemat.com)
  • Although the incidence of acute nonlymphocytic leukemia is increased in PV, the incidence of acute leukemia in patients not exposed to chemotherapy or radiation therapy is low. (basicmedicalkey.com)
  • Interestingly, chemotherapy, including hydroxyurea, has been associated with acute leukemia in JAK2 V617F-negative stem cells in some PV patients. (basicmedicalkey.com)
  • In patients, primary or acquired resistance to chemotherapy is associated with the expression of P-gp. (ashpublications.org)
  • Class II mutations cause defects in myeloid cell differentiation. (medscape.com)
  • CMML shares the typical repertoire of genetic driver lesions with other myeloid neoplasms and is particularly enriched in truncating mutations involving ASXL1 (prevalence ~40%) 3 . (nature.com)
  • Scope includes mutations and abnormal protein expression. (cancer-genetics.org)
  • Collectively, mutations in U2AF1 induce expression of therapeutically targetable 'active' IRAK4 isoforms and provide a genetic link to activation of chronic innate immune signalling in MDS and AML. (cancer-genetics.org)
  • In fact, the requirements, under which CHIP mutations become myeloid driver mutations, cooperate with other genetic or epigenetic changes to eventually cause AML, are not well understood. (biomedcentral.com)
  • Within myeloid neoplasms, chronic myelomonocytic leukemia (CMML) represents an attractive disease model since it is characterized by both myelodysplastic and myeloproliferative features, while retaining a relatively simple clonal composition 3 . (nature.com)
  • A type of clonal malignancy characterized by excess accumulation of lymphoblasts that phenotypically resemble the early stages of normal B-cell differentiation. (lab-ally.com)
  • In the setting of chronic leukemia, cutaneous involvement can indicate blast transformation. (medscape.com)
  • As an example, Dr. Sallman has focused research and clinical trial efforts on patients who have TP53 mutation (often associated with complex genes/cytogenetics) given their high risk of transformation to acute leukemia and poor survival. (moffitt.org)
  • NFATC1 expression causes FLT3 ITD -induced transcriptome changes, which are associated with HSC transformation, quizartinib resistance, and a poor prognosis in AML. (biomedcentral.com)
  • We demonstrate here that GSK-3 maintains the MLL leukemia stem cell transcriptional program by promoting the conditional association of CREB and its coactivators TORC and CBP with homedomain protein MEIS1, a critical component of the MLL-subordinate program, which in turn facilitates HOX-mediated transcription and transformation. (stanford.edu)
  • These lead to progression of acute myeloid leukemia. (medscape.com)
  • In melanoma, i have focused in acral lentiginous melanoma for which we described KIT mutation and protein expression status in a large series of cases and described TERT amplification in progression to metastasis. (mdanderson.org)
  • Stem cell leukemia/lymphoma (SCLL), which is also known as the 8p11 myeloproliferative syndrome (EMS), is characterized in its typical form by the occurrence, either simultaneously or sequentially, of a bcr/abl-negative myeloproliferative disorder and a lymphoma, usually a precursor T-cell lymphoblastic lymphoma. (medscape.com)
  • B-Cell Acute Lymphoblastic Leukemia. (lab-ally.com)
  • A diagnosis of leukemia cutis in the setting of acute leukemia generally portends a poor prognosis and strongly correlates with additional sites of extramedullary involvement. (medscape.com)
  • Myeloid-related precursor neoplasms derive from precursor cells that have at least one form of myeloid differentiation. (medscape.com)
  • This patient had acute myelogenous leukemia. (medscape.com)
  • As with chronic myelogenous leukemia (CML) , the myeloproliferative aspect of SCLL has a chronic phase that transforms into a myeloblastic phase, typically within 1 year of diagnosis. (medscape.com)
  • Genetic alterations predisposing to leukemia may be congenital or acquired. (medscape.com)
  • Similarly, some genetic or chromosomal abnormalities are found in specific leukemia subtypes. (medscape.com)
  • Dr. Sallman studies the genetic drivers of myeloid diseases in order to improve prognostication for patients and also to allow for more personalized treatment. (moffitt.org)
  • In addition to these basic issues concerning leukemia pathogenesis, we are devising new diagnostic procedures for detecting and monitoring leukemia patients based on molecular genetic abnormalities in the malignant cells. (stanford.edu)
  • The term acute myeloid leukemia (AML) collectively refers to a mixture of distinct diseases that differ with regard to their pathogenetic evolution, genetic abnormalities, clinical features, response to therapy, and prognosis. (ashpublications.org)
  • 2011 Expression of NOV and BNIP3 gene in mouse myelomonocytic leukemia and its significance 2011 Relationship between WT1-specific T-cell subsets and graft-versus-host disease after nonmyeloablative allogeneic transplantation 2011 "WT1-specific CTL cells of recipient origin may exist in the peripheral blood of patients achieving full donor chimerism soon after nonmyeloablative transplantation", published on Clin Transplant. (wikipedia.org)
  • 2010 Application of HLA-A*0201/WT1 pentamer combined with intracellular IFNgamma+ staining in detecting circulating WT1 specific T cells in leukemia 2010 "Comparison of Wilms' tumor antigen 1-specific T lymphocyte generation soon after nonmyeloablative allergenic stem-cell transplantation in acute and chronic leukemia patients", published in Int J Hematol. (wikipedia.org)
  • Findings consistent with chronic myelomonocytic leukemia have been noted in at least several patients. (medscape.com)
  • Patients with myelodysplastic syndromes (MDS) collectively have a high symptom burden and are also at risk of death from complications of cytopenias and acute myeloid leukemia. (standardofcare.com)
  • Dr. Sallman's research focuses on the development of novel, targeted therapeutic strategies for patients with myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML). (moffitt.org)
  • Phase I and II clinical trials) for patients with myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML) based on the underlying mutational drivers of each disease. (moffitt.org)
  • He has published significantly on this topic including recently in highly regarded journals including Leukemia and Haematologica and these work form the foundation of the clinical trials that he is bringing to patients in order to improve their quality of life and survival. (moffitt.org)
  • Acute myeloid leukemia (AML) patients with a high allelic burden of an internal tandem duplication ( ITD )-mutated FMS - like Tyrosine Kinase - 3 ( FLT3 ) have a dismal outcome. (biomedcentral.com)
  • We also retrospectively analyzed the overall survival of AML patients with different NFATC1 expression status. (biomedcentral.com)
  • Dr. Tallman focuses on the molecular genetics of APL, current curative treatment strategies and approaches for patients with relapsed and refractory disease. (ashpublications.org)
  • We are studying the novel, RNA-based pathways and virus-host interactions underlying replication, gene expression and evolution by positive-strand RNA viruses, the largest class of viruses. (wisc.edu)
  • His pioneering work spans discoveries in basic biology of blood stem cells and leukemia to first-in-human clinical trials for people with cancer and heart diseases, alongside shaping innovative policies in state health and healthcare financing. (ufl.edu)
  • 3) We are defining the properties of cancer stem cells that initiate and sustain the unique disease features of acute leukemias through the use of various adoptive animal models. (stanford.edu)
  • Expression of IRAK4-L is mediated by mutant U2 small nuclear RNA auxiliary factor 1 (U2AF1) and is associated with oncogenic signalling in MDS and AML. (cancer-genetics.org)
  • Accurate diagnosis has tremendous prognostic significance and may establish a diagnosis in cases in which leukemia cutis is the harbinger of a systemic leukemic process. (medscape.com)
  • The myeloid blasts expressed CD34, CD13, CD33, CD117 and HLA-DR. The analysis for minimal residual disease (MRD) was as low risk. (cambridgemedicine.org)
  • This is a rare type of leukemia where most of the blasts are megakaryoblastic. (lab-ally.com)
  • Leukemia cutis is the infiltration of neoplastic leukocytes or their precursors into the epidermis, the dermis, or the subcutis, resulting in clinically identifiable cutaneous lesions. (medscape.com)
  • A patient with typical plum-colored lesions seen in leukemia cutis. (medscape.com)
  • Leukemia cutis is defined by migration of leukemic cells to the skin. (medscape.com)
  • and myeloid cells are seen in stem cell leukemia/lymphoma (SCLL), which is also known as 8p11 myeloproliferative syndrome (EMS). (medscape.com)
  • Inhibition of IRAK4-L abrogates leukaemic growth, particularly in AML cells with higher expression of the IRAK4-L isoform. (cancer-genetics.org)
  • Combination of analysis of fluorescence labeling and light scatter properties of cells allows rapid and better determination of target cell antigens. (ijpmonline.org)
  • 2005 Treatment of Jining serious radiation accidents and extremely severe bone marrow and intestinal radiation 2006 Developed an original creativity of microtransplantation for the treatment of leukemia. (wikipedia.org)
  • Daratumumab plus lenalidomide and dexamethasone for relapsed POEMS syndrome with bone plasmacytoma harboring 17p deletion. (u-tokyo-hemat.com)
  • We generated a triple transgenic mouse model, in which tamoxifen-inducible Cre-recombinase targets expression of a constitutively nuclear transcription factor NFATC1 to FLT3 ITD positive HSC. (biomedcentral.com)
  • In his mid career, as a Leukemia & Lymphoma Society Scholar in Clinical Research, he translated laboratory research discoveries into investigator-initiated clinical trials. (ufl.edu)