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OBJECTIVE Optimizing cord blood donor selection based mainly on cell dose and human leukocyte antigen (HLA) disparities may further improve results of unrelated cord blood transplants (UCBT). MATERIALS AND RESULTS We analyzed 550 UCBTs for hematologic malignancies reported to the Eurocord Registry. Main outcomes and prognostic factors were analyzed in(More)
BACKGROUND The Wiskott-Aldrich syndrome (WAS) is a rare genetic disease characterized by thrombocytopenia, immunodeficiency, autoimmunity, and hematologic malignancies. Secondary mutations leading to re-expression of WAS protein (WASP) are relatively frequent in patients with WAS. OBJECTIVE The tissue distribution and function of revertant cells were(More)
BACKGROUND BK virus-associated hemorrhagic cystitis (BKV-HC) is a severe complication after allogeneic hematopoietic stem cell transplantation (HSCT), but antiviral treatment for this condition has not been evaluated. METHODS We conducted a retrospective survey on the safety and outcome of cidofovir treatment for patients with BKV-HC in centers affiliated(More)
The treatment of choice for severe combined immunodeficiency is bone marrow transplantation from an HLA-identical donor sibling without conditioning. However, this may result in low donor stem cell chimerism, leading to reduced long-term immune reconstitution. We compared engraftment, metabolic, and T-cell and B-cell immune reconstitution of HLA-identical(More)
Umbilical cord blood transplantation has been successfully employed for treatment of many immune and hematologic disorders. The aim of this study was to evaluate the quality of immune reconstitution after umbilical cord blood transplantation in 6 leukemia children. T-cell receptor Vbeta third complementary region spectratyping was used for monitoring the(More)
Autosomal-recessive osteopetrosis is a severe genetic disease caused by osteoclast failure. Approximately 50% of the patients harbor mutations of the ATP6i gene, encoding for the osteoclast-specific a3 subunit of V-ATPase. We found inactivating ATP6i mutations in four patients, and three of these were novel. Patients shared macrocephaly, growth retardation(More)
Umbilical cord blood transplantation (UCBT) is largely used to treat children affected by haematological malignant disorders. In comparison to bone marrow transplantation (BMT), advantages of UCBT include lower incidence and severity of graft-versus-host disease, easier procurement and prompter availability of cord blood cells, and the possibility of using(More)
T regulatory cells are fundamental in the maintenance of immune homeostasis and self-tolerance. Experimental models suggest the existence of two functional types of T(reg) cells designated naturally occurring and induced. Interest in T(reg) cells increased with evidence from experimental mouse and human models demonstrating that the immunosuppressive(More)
A 4-month-old-girl affected by early expression of Krabbe's disease was treated with allogeneic bone marrow transplantation (BMT). The stem cell donor was her heterozygous HLA-identical mother. The central nervous system (CNS) involvement at diagnosis was evident, but minimal. After BMT the child presented a severe hypotonia and an acute tetraventricular(More)
BACKGROUND AND PURPOSE The ability of cranial bone to repair defects of continuity is limited and it is mostly dependent on the age of the patient. In infancy and in early pediatric age, the scarce thickness of the calvarial bones and the need for a harmonic development of the child's skull limit the application of most of the surgical procedures usually(More)