1,721,208 research outputs found

    Valutazione citochimica mediante ANAE dei T-linfociti circolanti in neoplasie della sfera genitale.

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    [Cytochemical evaluation with ANAE (alpha-naphthyl-acetate-esterase) of circulating T-lymphocytes in neoplasms of the genital system]

    Valutazione dei T-linfociti circolanti nei tumori epiteliali dell’ovaio in corso di chemioterapia.

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    [Evaluation of circulating T-lymphocytes in epithelial tumors of the ovary and during chemotherapy]

    Valutazione delle rosette E in pazienti portatrici di carcinoma endometriale.

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    [Evaluation of rosette E in patients with endometrial carcinoma (longitudinal study of 43 cases)]

    Expansion of antileukaemia CTL lines and clones for adoptive cell therapy in paediatric patients given allogeneic haematopoietic stem cell transplantation.

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    Recurrence of the original disease remains the main cause of treatment failure in patients given allogeneic haematopoietic stem cell transplantation for either acute or chronic leukaemia. Infusion of donor lymphocytes (DLI) is useful for rescuing patients with chronic myeloid leukaemia, while this option is of limited value in patients with acute leukaemia. Moreover, DLI may cause fatal graft-versus-host disease (GvHD) or prolonged myelosuppression. A more sophisticated approach is that of generating and expanding ex vivo T-cell lines or clones able to selectively or preferentially lyse leukaemia blasts, while sparing non neoplastic targets. In this review, we will summarize the results we have obtained in vitro utilizing an approach based on the generation of leukaemia reactive cytotoxic T-lymphocytes through the use of apoptotic leukaemia cells as source of tumor antigens. Our approach proved to be feasible and effective in the experimental model for different types of leukaemia, even when the donor was HLA-disparate with the recipient. This strategy has to be tested in the clinical setting for proving its efficacy in preventing/treating leukaemia recurrenc

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Haploidentical hemopoietic stem cell transplantation for the treatment of high-risk leukemias: How NK cells make the difference

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    T-cell-depleted hematopoietic stem cell (HSC) transplantation from an HLA-haploidentical relative (Haplo HSCT) may represent a suitable and effective transplant option, as it is capable of rescuing not only adult patients with high-risk acute myeloid leukemias (AML) but also children with relapsed acute lymphoblastic leukemia (ALL), as shown by the two representative cases presented in this study. In Haplo HSCT, the anti-leukemia effect is mediated by "alloreactive" (i.e. KIR/HLA-mismatched) NK cells originated from donor HSCs. The availability of suitable KIR-specific monoclonal antibodies allows the prompt identification of alloreactive NK cell subsets as well as their quantification. This is important for selection of the most suitable donor and evaluation of the generation and persistence of these alloreactive NK cells after transplantation. In view of the favorable clinical outcome of children with chemo-resistant ALL, Haplo HSCT from an NK-alloreactive relative could become a first option in these high-risk leukemia patients
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