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Tumor Cell Survival Factors and Angiogenesis in Chronic Lymphocytic Leukemia: How Hot Is the Link?
Cancers (Basel)
December 2024
Centre de Recherche des Cordeliers, Sorbonne Université, Université Paris Cité, Inserm UMRS 1138, Drug Resistance in Hematological Malignancies Team, F-75006 Paris, France.
Chronic lymphocytic leukemia (CLL) is characterized by the accumulation of neoplastic CD5/CD19 B lymphocytes in the blood. These cells migrate to and proliferate in the bone marrow and lymphoid tissues. Despite the development of new therapies for CLL, drug resistance and disease relapse still occur; novel treatment approaches are therefore still needed.
View Article and Find Full Text PDFOutcomes in patients with acute myeloid leukemia older than 70 years within the last 30 years, a single center experience.
Ann Hematol
January 2025
Department of Hematology, Oncology and Clinical Immunology, Heinrich-Heine University, Moorenstr. 5, Duesseldorf, 40225, Germany.
As median age of patients with acute myeloid leukemia is 72 years, older patients continue to be a vulnerable cohort representing significant challenges in clinical practice. Patient-specific comorbidities as well as leukemia-specific unfavorable molecular- and cytogenetics confer even poorer outcomes. Treatment of AML therefore needs to be less toxic to prevent harm while lowering or eradicating leukemic burden to prolong survival.
View Article and Find Full Text PDFThe RNA N-Methyladenosine MethylomeCoordinates Long Non-Coding RNAs to MediateCancer Drug Resistance by Activating PI3KSignaling.
Res Sq
December 2024
The Metrohealth System, Case Western Reser.
Long non-coding RNAs (lncRNAs) and RNA N6-methyladenosine (mA) have been linked to leukemia drug resistance. However, whether and how lncRNAs and mA coordinately regulate resistance remain elusive. Here, we show that many differentially expressed lncRNAs enrich mA, and more lncRNAs tend to have higher mA content in CML cells resistant to tyrosine kinase inhibitors (TKIs).
View Article and Find Full Text PDFThe significance of endogenous immune surveillance in acute lymphoblastic leukemia (ALL) remains controversial. Using clinical B-ALL samples and a novel mouse model, we show that neoantigen-specific CD4+ T cells are induced to adopt type-1 regulatory (Tr1) function in the leukemia microenvironment. Tr1s then inhibit cytotoxic CD8+ T cells, preventing effective leukemia clearance.
View Article and Find Full Text PDFmRNA-laden lipid nanoparticle-enabled humanized CD19 CAR-T-cell engineering for the eradication of leukaemic cells.
Br J Haematol
January 2025
Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
Chimeric antigen receptor T-cell (CAR-T) therapy has shown transformative potential in treating malignant tumours, with increasing global approval of CAR-T products. However, high-production costs and risks associated with viral vector-based CAR-T cells-such as insertional mutagenesis and secondary tumour formation-remain challenges. Our study introduces an innovative CAR-T engineering approach using mRNA delivered via lipid nanoparticles (LNPs), aiming to reduce costs and enhance safety while maintaining strong anti-tumour efficacy.
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