The potential role of lactoferrin and derivatives in the management of infectious and inflammatory complications of hematology patients receiving a hematopoietic stem cell transplantation.
until further notice
SourceTransplant Infectious Disease, 10, 2, (2008), pp. 80-9
Article / Letter to editor
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Transplant Infectious Disease
SubjectN4i 2: Invasive mycoses and compromised host; NCMLS 1: Immunity, infection and tissue repair; UMCN 1.4: Immunotherapy, gene therapy and transplantation
Human lactoferrin is a natural defense protein belonging to the innate immune system present in several body fluids and secretions, as well as in the secondary granules of polymorphonuclear neutrophils. Lactoferrin and its derivatives have pleiotropic functions including broad-spectrum anti-microbial activity, anti-tumor activity, regulation of cell growth and differentiation, and modulation of inflammatory as well as humoral and cellular immune responses. This is the reason why much research has addressed the potential therapeutic activity of these molecules in different clinical settings, especially regarding infectious diseases and uncontrolled inflammatory conditions. In patients with hematological malignancies treated with a hematopoietic stem cell transplantation (HSCT), morbidity and mortality due to infections and uncontrolled inflammation remains high, despite many advances in supportive care. These life-threatening complications are a result of the damage caused by the conditioning regimens to the mucosal barrier, and the innate and adaptive, humoral, and cellular immune defenses. These complications necessitate the continued exploration of new treatment modalities. Systemic and probably local levels of lactoferrin are decreased following HSCT. Therefore, the use of lactoferrin, or short peptide derivatives that retain the cationic N-terminal moiety that is essential for the anti-microbial and anti-inflammatory activity, may prove to be a promising versatile class of agents for managing the complications that arise from HSCT.
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