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Pliszczak-Król A, Kiełbowicz Z, Król J, Antończyk A, Gemra M, Skrzypczak P, Prządka P, Zalewski D, Bieżyński J, Nicpoń J. Parameters of Hemostasis in Sheep Implanted with Composite Scaffold Settled by Stimulated Mesenchymal Stem Cells-Evaluation of the Animal Model. MATERIALS 2021; 14:ma14226934. [PMID: 34832335 PMCID: PMC8622787 DOI: 10.3390/ma14226934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/07/2021] [Accepted: 11/12/2021] [Indexed: 11/26/2022]
Abstract
Implantation of composite scaffolds could be potentially associated with the risk of hemostatic disturbances in a recipient. However, there is a lack of information on possible alterations in clotting mechanisms resulting from such a procedure. The aim of the present work was to investigate changes in hemostatic parameters in sheep implanted with a scaffold composed of poly(ε-caprolactone) and hydroxyapatite and tricalcium phosphate (9:4.5:4.5), settled previously with mesenchymal stem cells stimulated by fibroblast growth factor-2 and bone morphogenetic protein-2. Nine Merino sheep were examined for 7 days, and measurements of clotting times (PT, aPTT), activities of antithrombin, protein C and clotting factors II-XII, and concentrations of fibrinogen and D-dimer were carried out before and 1 h, 24 h, 3 days and 7 days after scaffold implantation. The introduction of scaffold initially resulted in a slowdown of the clotting processes (most evident 24 h after surgery); PT and aPTT increased to 14.8 s and 33.9 s, respectively. From the third day onwards, most of these alterations began to return to normal values. The concentration of fibrinogen rose throughout the observation period (up to 8.4 g/L), mirroring the ongoing inflammatory reaction. However, no signals of significant disturbances in hemostatic processes were detected in the sheep tested.
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Affiliation(s)
- Aleksandra Pliszczak-Król
- Department of Immunology, Pathophysiology and Veterinary Preventive Medicine, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland;
- Correspondence: ; Tel.: +48-6-6409-2994
| | - Zdzisław Kiełbowicz
- Department and Clinic of Surgery, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland; (Z.K.); (A.A.); (P.S.); (P.P.); (J.B.); (J.N.)
| | - Jarosław Król
- Department of Pathology, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland;
| | - Agnieszka Antończyk
- Department and Clinic of Surgery, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland; (Z.K.); (A.A.); (P.S.); (P.P.); (J.B.); (J.N.)
| | - Marianna Gemra
- Department of Immunology, Pathophysiology and Veterinary Preventive Medicine, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland;
| | - Piotr Skrzypczak
- Department and Clinic of Surgery, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland; (Z.K.); (A.A.); (P.S.); (P.P.); (J.B.); (J.N.)
| | - Przemysław Prządka
- Department and Clinic of Surgery, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland; (Z.K.); (A.A.); (P.S.); (P.P.); (J.B.); (J.N.)
| | - Dariusz Zalewski
- Department of Genetics, Plant Breeding and Seed Production, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland;
| | - Janusz Bieżyński
- Department and Clinic of Surgery, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland; (Z.K.); (A.A.); (P.S.); (P.P.); (J.B.); (J.N.)
| | - Jakub Nicpoń
- Department and Clinic of Surgery, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland; (Z.K.); (A.A.); (P.S.); (P.P.); (J.B.); (J.N.)
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