Peculiarities of studying the effects of pathogen reduction technologies on platelets.
The transfusion of platelet concentrates (PCs) is mainly used for treatment of thrombocytopenic, trauma or surgery patients. The integrity and safety of these platelet preparations, however, is compromised by the presence of pathogens, such as viruses, bacteria and parasites. The transfer of allogeneic donor leukocytes contaminating PCs can also potentially cause adverse reactions in recipients. These considerations prompted the development and implementation of pathogen reduction technologies (PRT), which are based on chemically induced cross-linking and inactivation of nucleic acids. While the incumbent PRT may provide some protection against transfusion-transmitted infections, they are ineffective against infectious prions and may not inactivate other emerging pathogens. In addition, the safety of PRT concerning platelet viability and function has been questioned in several reports. Recent studies suggest that PRT, such as Intercept, may adversely affect the messenger RNA (mRNA) and microRNA content of platelets, as well as their functional integrity, which may compromise the clinical benefits of PRT. Here, we will discuss about the peculiarities of studying the effects of PRT on platelets, which will need to be taken into account in future studies aimed to characterize further, and polish, the rugged side of this otherwise useful and potentially important approach in transfusion medicine.
Department of Clinical Chemistry, Region Östergötland, Linköping, Sweden.|Department of Clinical and Experimental Medicine, University of Linköping, Linköping, Sweden.
Abdimajid
A
Osman
Transfusion Center, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany.
Walter E
WE
Hitzler
CHUQ Research Center/CHUL, Quebec, QC, Canada.|Faculty of Medicine, Université Laval, Quebec, QC, Canada.
Patrick
P
Provost
D000818:Animals; D001792:Blood Platelets / Q000378:metabolism / Q000382:microbiology*; D001793:Blood Preservation / Q000379:methods*; D001803:Blood Transfusion; D006801:Humans; D040901:Proteomics; D059467:Transcriptome
MicroRNA; Pathogen reduction; Platelet concentrate; Platelet proteomic; Transfusion medicine