ArticleCardiovascular & hematological disorders drug targets2020
Red Blood Cells are Appropriate Carrier for Coagulation Factor VIII.
Article in Cardiovascular & hematological disorders drug targets, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 4 citations in OpenAlex.
- Multiparametric characterization of red blood cell physiology after hypotonic dialysis based drug encapsulation process.Acta pharmaceutica Sinica. B · 2022Article
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimsFactor VIII (FVIII) replacement therapy remains a primary treatment for hemophilia A, however, the development of FVIII antibodies (inhibitors) and short half-life of the FVIII products are the major complications. Erythrocytes may prevent rapid removal of drugs from plasma. Erythrocytes are biocompatible and non-immunogenic drug delivery. In this study, in vitro activity of FVIII encapsulated by human erythrocytes was investigated.
methodsFVIII was loaded into erythrocytes using the hypo-osmotic dialysis technique. FVIII activity assay has been analyzed using Activated Partial Thromboplastin Time (APTT). Presence of FVIII on erythrocytes was detected by western blotting and flowcytometry using specific monoclonal antibody (abcam, U.K) against FVIII. Moreover, the osmotic fragility and hematologic parameters of FVIII-loaded carrier erythrocytes were measured.
resultsOur results indicated that FVIII could not cross the membrane, where plenty of FVIII was found on the surface of the carrier erythrocyte. Flow cytometery results showed that 11% of the loaded carrier erythrocytes was positive for FVIII protein on their surface. The greatest activation of FVIII in both groups including lysate and non-lysate FVIII-loaded RBCs was observed on the first day, and the coagulant activity of this factor was gradually reduced on days 3 and 5. In 1:50 dilution of both groups, significant differences in FVIII activity were observed in 1:50 dilution of both groups, especially on the 5th day.
conclusionThis study aims to introduce erythrocytes as appropriate carriers for FVIII to prolong the dosing intervals in the effective and safe levels for a relatively longer time.
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