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Endothelial characteristics of cardiac stem cell antigen-1 expressing cells and their relevance to right ventricular adaptation.
Can J Physiol Pharmacol
January 2025
Dalhousie University, Department of Physiology and Biophysics, Halifax, Canada;
A growing body of evidence suggest that the stem cell antigen-1 expressing (Sca-1) cells in the heart may be the cardiac endothelial stem/progenitor cells. Their endothelial cell (EC) functions, and their role in RV physiology and pathophysiology of right heart failure (RHF) remains poorly defined. This study investigated EC characteristics of rat cardiac Sca-1 cells, assessed spatial distribution and studied changes in Sca1 cells during RV remodelling in monocrotaline (MCT) model of pulmonary hypertension and RV remodeling.
View Article and Find Full Text PDFGATA2 links stemness to chemotherapy resistance in acute myeloid leukemia.
Blood
January 2025
Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States.
Stemness-associated cell states are linked to chemotherapy resistance in AML. We uncovered a direct mechanistic link between expression of the stem cell transcription factor GATA2 and drug resistance. The GATA-binding protein 2 (GATA2) plays a central role in blood stem cell generation and maintenance.
View Article and Find Full Text PDFBoosting the catalytic efficiency of UGT51 for efficient production of rare ginsenoside Rh2.
Folia Microbiol (Praha)
January 2025
Biofuels Institute, School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China.
Ginsenoside Rh2(S) is well-known for its therapeutic potential against diverse conditions, including some cancers, inflammation, and diabetes. The enzymatic activity of uridine diphosphate glycosyltransferase 51 (UGT51) from Saccharomyces cerevisiae plays a pivotal role in the glycosylation process between UDP-glucose (donor) and protopanaxadiol (acceptor), to form ginsenoside Rh2. However, the catalytic efficiency of the UGT51 has remained a challenging task.
View Article and Find Full Text PDFImmunotherapy has elicited significant improvements in outcomes for patients with several tumor types. However, the immunosuppressive microenvironment in glioblastoma restricts the therapeutic efficacy of immune checkpoint blockade (ICB). In this study, we investigated which components of the immune microenvironment contribute to ICB failure in glioblastoma to elucidate the underlying causes of immunotherapeutic resistance.
View Article and Find Full Text PDFIntegrating single cell analysis and machine learning methods reveals stem cell-related gene S100A10 as an important target for prediction of liver cancer diagnosis and immunotherapy.
Front Immunol
January 2025
Department of Radiation Oncology, Lianyungang Second People's Hospital (Lianyungang Tumur Hospital), Lianyungang, China.
Background: Hepatocellular carcinoma (LIHC) poses a significant health challenge worldwide, primarily due to late-stage diagnosis and the limited effectiveness of current therapies. Cancer stem cells are known to play a role in tumor development, metastasis, and resistance to treatment. A thorough understanding of genes associated with stem cells is crucial for improving the diagnostic precision of LIHC and for the advancement of effective immunotherapy approaches.
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