Introduction: The aim of treatment in very low-, low- and intermediate-1-risk myelodysplastic syndrome (MDS) is mainly to relieve symptoms due to cytopenias. Only a few therapeutic drugs are currently available, but novel drugs are under clinical investigations. In this setting, imetelstat, a telomerase inhibitor, is a promising new agent.
Areas Covered: This review summarizes promising emerging strategies using imetelstat for the treatment of lower-risk MDS.
Expert Opinion: Favorable results were demonstrated in the IMerge phase 3 clinical trial using imetelstat in transfusion-dependent patients with lower-risk MDS relapsed or refractory to erythropoiesis-stimulating agents (ESAs). This study led to imetelstat approval by the United States Food and Drug Administration (FDA) in June 2024.
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http://dx.doi.org/10.1080/14656566.2025.2471518 | DOI Listing |
PLoS One
March 2025
Department of Hematology, Heping Hospital Affiliated to Changzhi Medical College, Changzhi Medical College, Changzhi, Shanxi, China.
Objective: This study aims to investigate and analyze the differentially expressed genes (DEGs) in CD34 + hematopoietic stem cells (HSCs) from patients with myelodysplastic syndromes (MDS) through bioinformatics analysis, with the ultimate goal of uncovering the potential molecular mechanisms underlying pathogenesis of MDS. The findings of this study are expected to provide novel insights into clinical treatment strategies for MDS.
Methods: Initially, we downloaded three datasets, GSE81173, GSE4619, and GSE58831, from the public Gene Expression Omnibus (GEO) database as our training sets, and selected the GSE19429 dataset as the validation set.
JAMA Dermatol
March 2025
Service de Dermatologie et Allergologie, Faculté de Médecine, Sorbonne Université, Hôpital Tenon, Assistance Publique-Hôpitaux de Paris, Paris, France.
Importance: VEXAS syndrome (vacuoles, E1 enzyme, X-linked, autoinflammatory, somatic) is a monogenic disease caused by UBA1 somatic variants in hematopoietic progenitor cells, mostly involving adult men. It is associated with inflammatory-related symptoms, frequently involving the skin and hematological disorders. Recently described myelodysplasia cutis (MDS-cutis) is a cutaneous manifestation of myelodysplasia in which clonal myelodysplastic cells infiltrate the skin.
View Article and Find Full Text PDFAm J Clin Pathol
March 2025
Department of Pathology, Stanford University, Stanford, CA, United States.
Objectives: Recent studies show that blocking CD47-SIRPα interactions is a promising target in checkpoint inhibition for cancer immunotherapy. However, to date, the expression of CD47 is not well characterized in various hematolymphoid neoplasms.
Methods: This study evaluates CD47 expression in a wide range of hematolymphoid neoplasms using immunohistochemistry on 834 cases.
Am J Hematol
March 2025
Department of Haematology, Royal Adelaide Hospital, Central Adelaide Local Health Network, Adelaide, South Australia, Australia.
Alterations in the tumor suppressor gene TP53 are common in human cancers and are associated with an aggressive nature. Approximately 8%-12% of myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML) harbor TP53 mutations (TP53) and present immense challenges due to inherent chemoresistance and poor outcomes. As TP53 are more common in older individuals and those with secondary/therapy-related myeloid neoplasms (MN), their incidence is expected to increase with an aging population and rising proportion of cancer survivors.
View Article and Find Full Text PDFBlood Cell Ther
February 2025
Department of Clinical Haematology, Christian Medical College, Vellore, India.
Hematopoietic stem cell transplantation [HSCT] is the only curative option for patients with myelodysplastic syndromes [MDS]. Between 1991 and 2021, 154 patients [high risk, 86; low risk, 68] including 22 children underwent HSCT with a median age of 36 years. Conditioning regimens were myeloablative [n=97] and reduced intensity [n=53].
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