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Hypoxia impairs decitabine-induced expression of HLA-DR in acute myeloid leukaemia cell lines.
Clin Epigenetics
January 2025
School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, NSW, 2308, Australia.
Background: Hypomethylating agents (HMA), such as azacytidine (AZA) and decitabine (DAC), are epigenetic therapies used to treat some patients with acute myeloid leukaemia (AML) and myelodysplastic syndrome. HMAs act in a replication-dependent manner to remove DNA methylation from the genome. However, AML cells targeted by HMA therapy are often quiescent within the bone marrow, where oxygen levels are low.
View Article and Find Full Text PDFA Case of Leukemia Cutis (Acute Myeloid Leukemia) With Epidermotropism.
Am J Dermatopathol
February 2025
Department of Dermatology, Columbia University, New York, NY.
Acute myeloid leukemia is a cancer involving uncontrolled proliferation of hematopoietic cells. Cutaneous involvement is referred to as leukemia cutis (LC). The histopathologic presentation of LC is variable, and may present with perivascular, periadnexal, dermal, or subcutaneous infiltrate.
View Article and Find Full Text PDFEvaluating the effect of acute myeloblastic leukemia-derived exosomes on the human bone marrow mesenchymal stromal cell proliferation.
Mol Biol Rep
December 2024
Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, P.O. Box 15468-15514, Tehran, Iran.
Background: The progression of leukemia is substantially associated with the interactions of leukemic cells with surrounding cells within the bone marrow microenvironment (BMM), and these interactions were facilitated using exosomes as vital mediators. The current study aimed to examine the proliferative effects of exosomes derived from the HL-60 cell line, a representative of acute myeloblastic leukemia (AML), on the cell cycle progression of human bone marrow mesenchymal stromal cells (hBM-MSCs), a key element of the BMM.
Methods And Results: hBM-MSCs were treated with different concentrations of AML-derived exosomes from the HL-60 cell line.
Metallic-based phthalocyanine nanoemulsions for photodynamic purging of ovarian tissue in leukemia patients.
Colloids Surf B Biointerfaces
January 2025
Pôle de Recherche en Physiopathologie de la Reproduction, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium. Electronic address:
For cancer patients with a high risk of ovarian tissue metastasis, ovarian autotransplantation is not advised due to the potential spread of malignant cells. Ex vivo purging of ovarian fragments may offer a more suitable alternative for fertility restoration. Eradicating malignant cells should be done selectively without affecting follicles or ovarian stromal cells (SCs).
View Article and Find Full Text PDFBTX-A51, a first-in-class oral small molecule inhibitor of casein kinase 1α (CK1α) and cyclin dependent kinase (CDK) 7 and 9, induces apoptosis of leukemic cells by activating p53 and inhibiting expression of . Here, we report on the results of the phase 1 clinical trial of BTX-A51 in patients with relapsed or refractory AML and MDS. Thirty-one patients were enrolled into 8 dose-escalation cohorts at BTX-A51 doses ranging from 1mg to 42mg dosed three days/week for 21 or 28 days out a 28-day cycle.
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