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Analyzing regulatory and effector T cells in tumors

In this interview, Cerba Research describes how its teams were able to detect resident memory T cells in solid tumors thanks to multiplex immunofluorescence. ....

Louis Castel , Cerba Researchmar , Histalim Histoprofile , Akoya Biosciences , Polaristm Akoya Biosciences , Cerba Research , Sponsored Content , Patient Derived Xenograft , Leica Bond , Image Credit ,

Naturally selected CD7 CAR-T therapy without genetic editing demonstrates significant antitumour efficacy against relapsed and refractory acute myeloid leukaemia (R/R-AML) | Journal of Translational Medicine

The survival rate for patients with relapsed and refractory acute myeloid leukaemia (R/R-AML) remains poor, and treatment is challenging. Chimeric antigen receptor T cells (CAR-T cells) have been widely used for haematologic malignancies. Current CAR-T therapies for acute myeloid leukaemia mostly target myeloid-lineage antigens, such as CD123 and CD33, which may be associated with potential haematopoietic toxicity. As a lineage-specific receptor, CD7 is expressed in acute myeloid leukaemia cells and T cells but is not expressed in myeloid cells. Therefore, the use of CD7 CAR-T cells for R/R-AML needs to be further explored. In this report, immunohistochemistry and flow cytometry were used to analyse CD7 expression in clinical samples from R/R-AML patients and healthy donors (HDs). We designed naturally selected CD7 CAR-T cells to analyse various functions and in vitro antileukaemic efficacy based on flow cytometry, and xenograft models were used to validate in vivo tumour dynamics. We ....

United States , Miltenyi Biotec , Texmacs Miltenyi Biotec , Dynabeads Gibco , Macsquant Miltenyi Biotec , Legendplex Multianalyte , Immunostainer Leica , Leica Microsystems , Beckman Navios , Second Hospital Of Hebei Medical University , Department Of Haematology , Animal Center , Hebei Medical University , Beckman Coulter , Fourth Hospital Of Hebei Medical University , Biotechnology Co , Department Of Hematology , Second Hospital , Hebei Medical , Leica Bond , Fourth Hospital , Animal Ethics Committee ,