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In this study we evaluated the performance of Skelite, a resorbable bioceramic based on silicon stabilized tricalcium phosphate (Si-TCP), in promoting the repair of a large-sized, experimentally induced defect in a weight-bearing long bone sheep model. Eighteen 2-year-old ewes were used in this study. Animals were sacrificed at 3, 6, and 12 months. One(More)
Ischemia-reperfusion injury is the major cause of delayed graft function in transplanted kidneys, an early event significantly affecting long-term graft function and survival. Several studies in rodents suggest that the alternative pathway of the complement system plays a pivotal role in renal ischemia-reperfusion injury. However, limited information is(More)
Autologous chondrocyte implantation is currently applied in clinics as an innovative tool for articular cartilage repair. Animal models have been and still are being used to validate and further improve the technique. However, in various species, the outcome varies from hyaline-like cartilage to fibrocartilage. This may be due partly to the spontaneous(More)
OBJECTIVE The Acute Respiratory Distress Syndrome Network protocol recommends limiting tidal volume and plateau pressure; it also recommends increasing respiratory rate to prevent hypercapnia. We tested a strategy that combines the low tidal volume with lower respiratory rates and minimally invasive CO2 removal. SUBJECTS Ten lung-damaged pigs (instilled(More)
OBJECTIVES The aim of this study was to compare the regeneration abilities of cultured bone marrow mesenchymal cells (cBMSC) and bone marrow mononuclear cells (BMMNC) with fibrin glue, saline solution and sham control in collagenase-induced tendinitis of the Achilles tendon in sheep. METHODS Six sheep were recruited randomly to each group: cBMSC, BMMNC,(More)
RATIONALE The open lung strategy aims at reopening (recruitment) of nonaerated lung areas in patients with acute respiratory distress syndrome, avoiding tidal alveolar hyperinflation in the limited area of normally aerated tissue (baby lung). OBJECTIVES We tested the hypothesis that recruited lung areas do not resume elastic properties of adjacent baby(More)
Delayed graft function (DGF) in kidney transplantation is associated with an increased risk of acute rejection. Myeloid dendritic cells (DCs) are involved in graft rejection, whereas plasmacytoid DCs may play a role in inducing tolerance. We evaluated the presence and phenotype of the DCs in renal graft biopsies of 15 patients with DGF collected before and(More)
The aim of this study was to compare treatment with cultured bone marrow stromal cells (cBMSCs), bone marrow Mononucleated Cells (BMMNCs), and placebo to repair collagenase-induced tendinitis in horses. In six adult Standardbred horses, 4000 IU of collagenase were injected in the superficial digital flexor tendon (SDFT). Three weeks after collagenase(More)
RATIONALE In the presence of increased chest wall elastance, the airway pressure does not reflect the lung-distending (transpulmonary) pressure. OBJECTIVE To compare the physiological effects of a conventional open lung approach titrated for an end-inspiratory airway opening plateau pressure (30 cm H2O) with a transpulmonary open lung approach titrated(More)
Ischemia-reperfusion (I-R) injury in transplanted kidney, a key pathogenic event of delayed graft function (DGF), is characterized by tubular cell apoptosis and interstitial inflammation. Akt-mammalian target of rapamycin-S6k and NF-kappaB-inducing kinase (NIK)-NF-kappaB axis are the two main signaling pathways regulating cell survival and inflammation.(More)