ArticleInternational journal of molecular sciences2025
Innovations in Platelet Cryopreservation: Evaluation of DMSO-Free Controlled-Rate Freezing and the Role of a Deep Eutectic Solvent as an Additional Cryoprotective Agent.
Article in International journal of molecular sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Cryopreservation is a well-established method for extending platelet shelf-life and addressing supply shortages. Traditionally, this involves dimethyl sulfoxide (DMSO) as a cryoprotective agent (CPA), but recent studies suggest that using controlled rate freezing (CRF) with only NaCl may offer a less toxic alternative. To explore further optimization, this study assessed whether adding 10% choline chloride-glycerol, a deep eutectic solvent (DES), could enhance platelet quality in CRF/NaCl cryopreservation. Ten double-dose buffy coat platelet units were divided into test (DES-treated) and control (NaCl-only) groups. After DES exposure (10% for 20 min), all units were prepared using the NaCl protocol and frozen at -80 °C with CRF equipment, then stored for over 90 days. Upon thawing and reconstitution in AB plasma, no significant differences were observed in platelet content post-thaw between control and test units (255 ± 43 vs. 257 ± 41 × 10
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