alexa The role of the endothelium in the short-term complications of hematopoietic SCT.
Surgery

Surgery

Transplant Reports : Open Access

Author(s): Carreras E, DiazRicart M

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Abstract In this review, we analyse the role of the endothelium in the development of several complications that appear soon after haematopoietic SCT (HSCT). Once it had been demonstrated that sinusoidal damage is the initiating event of the sinusoidal obstruction syndrome, it was considered that other short-term complications with overlapping clinical manifestations, such as capillary leak syndrome, engraftment syndrome, transplant-associated microangiopathy, diffuse alveolar haemorrhage and idiopathic pneumonia syndrome, could have an endothelial origin. During HSCT, endothelial cells (ECs) are activated and damaged by several factors, including conditioning, cytokines released by damaged tissues, endotoxins translocated through damaged mucosa, drugs used in the procedure, the engraftment, and--in the allogeneic setting--immunological reactions. The different clinical syndromes that occur could be determined by the predominant phenotypic change in the ECs and the location of this change (organ dependant or systemic). Several translational studies have provided evidence of this endothelial dysfunction on the basis of analysis of soluble markers, soluble forms of adhesion molecules, the enumeration of circulating ECs and microparticles, and morphologic and functional changes induced in cultured ECs. This increased knowledge has opened up a wide range of potential pharmacologic interventions to prevent or treat endothelial damage and, consequently, to improve the outcome of patients receiving HSCT. This article was published in Bone Marrow Transplant and referenced in Transplant Reports : Open Access

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