Larysa Mykhailova, Javier Calvo, Anthi Gafou, Josè Antonio Garcìa Erce, Evangelia Lydaki, Maria Elena Schinocca, Dinara Samarkanova, Gabriele Scimemi, Tiziana Montemurro
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引用次数: 0
Abstract
Background and objectives: Highly effective procedures for the preparation of allogeneic platelet gel (PG) use Ca-gluconate and batroxobin, an expensive commercial reagent. In this preliminary study, we explored the use of the plasmin-inhibitor, low-cost drug tranexamic acid (TXA) in place of batroxobin, based on the literature supporting TXA ability to prevent fibrinolysis and stabilize the gel formed by fibrin polymerization prompted by Ca-gluconate.
Materials and methods: Eight blood centres determined PG weight and volume of non-gelled, liquid portion in 116 PG prepared in 20-mL commercial BioNest D bags. Ten-millilitre platelet aliquots from platelets in 100% plasma or in 35% plasma/65% platelet additive solution (PAS) were aseptically transferred into the D bag, followed by the injection of 3.3 mL of 10% Ca-gluconate and 0.4 mL of TXA. After 30-min incubation, PG weight and non-gelled liquid volume were determined.
Results: PG weight and liquid volume at 30 min were 6.5 ± 3.4 g and 7.4 ± 3.5 mL with platelets in 100% plasma, and 3.7 ± 3.0 g and 10.2 ± 3.3 mL with PAS platelets, respectively.
Conclusion: This study provides preliminary evidence supporting the use of TXA as a low-cost reagent for PG manufacturing from platelets in 100% plasma.
期刊介绍：
Vox Sanguinis reports on important, novel developments in transfusion medicine. Original papers, reviews and international fora are published on all aspects of blood transfusion and tissue transplantation, comprising five main sections:
1) Transfusion - Transmitted Disease and its Prevention:
Identification and epidemiology of infectious agents transmissible by blood;
Bacterial contamination of blood components;
Donor recruitment and selection methods;
Pathogen inactivation.
2) Blood Component Collection and Production:
Blood collection methods and devices (including apheresis);
Plasma fractionation techniques and plasma derivatives;
Preparation of labile blood components;
Inventory management;
Hematopoietic progenitor cell collection and storage;
Collection and storage of tissues;
Quality management and good manufacturing practice;
Automation and information technology.
3) Transfusion Medicine and New Therapies:
Transfusion thresholds and audits;
Haemovigilance;
Clinical trials regarding appropriate haemotherapy;
Non-infectious adverse affects of transfusion;
Therapeutic apheresis;
Support of transplant patients;
Gene therapy and immunotherapy.
4) Immunohaematology and Immunogenetics:
Autoimmunity in haematology;
Alloimmunity of blood;
Pre-transfusion testing;
Immunodiagnostics;
Immunobiology;
Complement in immunohaematology;
Blood typing reagents;
Genetic markers of blood cells and serum proteins: polymorphisms and function;
Genetic markers and disease;
Parentage testing and forensic immunohaematology.
5) Cellular Therapy:
Cell-based therapies;
Stem cell sources;
Stem cell processing and storage;
Stem cell products;
Stem cell plasticity;
Regenerative medicine with cells;
Cellular immunotherapy;
Molecular therapy;
Gene therapy.
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