Simone Haworth

Fondazione IRCCS Ca' Granda - Ospedale Maggiore Policlinico, Milano, Lombardy, Italy

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Publications (4)5.52 Total impact

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    ABSTRACT: The Italian Bone Marrow Donor Register is the institutional organization for management of unrelated hematopoietic stem cell donors. The law requires only a donor's clinical history, but not a psychosocial profile for registration. We have studied the donor's motivation for enlistment on the donor registry and the medical staff's need for this information to interact correctly with the donor. For this purpose we distributed a questionnaire to new donors at the 20 centers in the Lombardy Region over a period of 1 year. The analysis of the responses revealed a prevalence of extrinsic motivations that would not ensure continued registration for donation. Therefore, it is necessary that the donor be well informed and better educated about all aspects of donation, in order to produce a shift to an intrinsic motivation. This objective can be facilitated via professional training of health workers in communication.
    Transplantation Proceedings 05/2011; 43(4):981-4. DOI:10.1016/j.transproceed.2011.01.128 · 0.98 Impact Factor
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    ABSTRACT: The recent introduction of new technologies such as Luminex has provided alternative methods to the Complement Dependent Cytotoxicity (CDC) test for HLA specific antibody detection. In this study we compared the results obtained with CDC to those obtained using a Luminex method with the aim of evaluating the impact of this new technology on antibody screening policies in our transplant setting.A total of 1,421 sera, acquired from patients on the waiting list for a kidney transplant or following transplantation, were tested by both methodologies. CDC was performed using a whole lymphocyte population comprising a panel of 52 cells. The percentage panel reactive antibodies (PRA) and antibody specificity were evaluated using Lambda Scan Analysis software. For the Luminex method sera screening and identification of antibody specificity were carried out using the LABScreen Mixed and LABScreen PRA respectively. The overall concordance between the results obtained using the CDC and the Luminex methods was 85%. HLA antibody specificity was confirmed in 96% of the sera which tested positive using the Luminex system and serum positivity corresponded with a previous sensitisation event in these individuals. Using the Luminex method 18% of patients on the waiting list were considered and managed as sensitised as compared to 7% when testing with CDC alone. The Luminex method was able to detect a number of antibody specificities significantly more frequently than the CDC method and in addition the CDC method failed to detect some of the antibody specificities detected by the Luminex system. Based on this comparison study we have incorporated the Luminex methodology into our screening strategy.
    Cytometry Part B Clinical Cytometry 11/2007; 72(6):465-71. DOI:10.1002/cyto.b.20353 · 2.40 Impact Factor
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    ABSTRACT: We describe here the isolation and the full-length sequence of the coding region of the HLA new variant at the HLA-A locus officially named A*68020102. This variant shows an 11 base pairs deletion within the 5' UTR region. The exon sequence is identical to that of A*6802 and the commercially available anti-A68 typing sera react with the antigen coded by the allele A*68020102. This variant was originally identified in two unrelated Caucasoid families because of discrepant HLA typing results between serology, Sequence Specific Oligonucleotide Probe (SSOP), and SBT. In fact, the A68 assigned by serology was undetectable with the molecular techniques. This has occurred because the deletion present in A*68020102 prevents specific amplification of HLA-A locus by some commercially available typing kits.
    Human Immunology 04/2007; 68(3):206-10. DOI:10.1016/j.humimm.2006.11.007 · 2.14 Impact Factor

  • Clinical transplants 02/2006;