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CD4 T cells play a pivotal role in the immune system, particularly in adaptive immunity, by orchestrating and enhancing immune responses. CD4 T cell-related immune responses exhibit diverse characteristics in different diseases. This study utilizes gene expression analysis of CD4 T cells to classify and understand complex diseases.

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Background Aims: With novel therapies improving prognosis, the complications of multiple myeloma after multi-line treatment, particularly myelosuppression, have become a crucial determinant of long-term outcomes. Non-myeloablative allogeneic hematopoietic stem cell transplantation is a feasible option, but the transplant-related mortality rate remains high. Our study presents a relapsed/refractory multiple myeloma patient with a 9-year disease history.

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CD4 T Cells Mediate Dendritic Cell Licensing to Promote Multi-Antigen Anti-Leukemic Immune Response.

Cancer Med

January 2025

Division of Oncology, The Children's Hospitial of Philadelphia, Philadelphia, Pennsylvania, USA.

Background: Single antigen (Ag)-targeted immunotherapies for acute lymphoblastic leukemia (ALL) are highly effective; however, up to 50% of patients relapse after these treatments. Most of these relapses lack target Ag expression, suggesting targeting multiple Ags would be advantageous.

Materials & Methods: The multi-Ag immune responses to ALL induced by transducing cell lines with xenoAgs green fluorescent protein and firefly luciferase was elucidated using flow cytometry, ELISA, and ELISpot assays.

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Background: To explore the mechanism of hyperbaric oxygen (HBO) intervention on acute lung injury secondary to snake venom poisoning and provide more toxicological and clinical evidence for venom poisoning.

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In this study, we investigated the measurable residual leukemic stem cell (MR-LSC) population after allogeneic stem cell transplantation (allo-SCT) for high-risk acute myeloid leukemia (AML), utilizing T-cell immunoglobulin mucin-3 (TIM-3) expression as a functional marker of AML leukemic stem cells (LSCs). Analysis of the CD34CD38 fraction of bone marrow cells immediately after achievement of engraftment revealed the presence of both TIM-3LSCs and TIM-3 donor hematopoietic stem cells (HSCs) at varying ratios. Genetic analysis confirmed that TIM-3 cells harbored patient-specific mutations identical to those found in AML clones, whereas TIM-3 cells did not, indicating that TIM-3CD34CD38 cells represent residual AML LSCs.

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