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Donato TAG, Sousa KDSJ, Kuroda PAB, Grandini CR. A New α + β Ti-15Nb Alloy with Low Elastic Modulus: Characterization and In Vitro Evaluation on Osteogenic Phenotype. J Funct Biomater 2023; 14:452. [PMID: 37754866 PMCID: PMC10531885 DOI: 10.3390/jfb14090452] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/16/2023] [Accepted: 08/28/2023] [Indexed: 09/28/2023] Open
Abstract
This study aimed to produce Ti-15Nb alloy with a low elastic modulus, verify its biocompatibility, and determine whether the alloy indirectly influences cellular viability and morphology, as well as the development of the osteogenic phenotype in cells cultured for 2, 3, and 7 days derived from rat calvarias. Two heat treatments were performed to modify the mechanical properties of the alloy where the Ti-15Nb alloy was heated to 1000 °C followed by slow (-5 °C/min) (SC) and rapid cooling (RC). The results of structural and microstructural characterization (XRD and optical images) showed that the Ti-15Nb alloy was of the α + β type, with slow cooling promoting the formation of the α phase and rapid cooling the formation of the β phase, altering the values for the hardness and elastic modulus. Generally, a more significant amount of the α phase in the Ti-15Nb alloy increased the elastic modulus value but decreased the microhardness value. After the RC treatment, the results demonstrated that the Ti-15Nb alloy did not present cytotoxic effects on the osteogenic cells. In addition, we did not find variations in the cell quantity in the microscopy results that could suggest cell adhesion or proliferation modification.
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Affiliation(s)
- Tatiani Ayako Goto Donato
- Laboratório de Anelasticidade e Biomateriais, UNESP—Universidade Estadual Paulista, Bauru 17033-360, SP, Brazil; (T.A.G.D.); (K.d.S.J.S.); (C.R.G.)
| | - Karolyne dos Santos Jorge Sousa
- Laboratório de Anelasticidade e Biomateriais, UNESP—Universidade Estadual Paulista, Bauru 17033-360, SP, Brazil; (T.A.G.D.); (K.d.S.J.S.); (C.R.G.)
| | - Pedro Akira Bazaglia Kuroda
- Laboratório de Anelasticidade e Biomateriais, UNESP—Universidade Estadual Paulista, Bauru 17033-360, SP, Brazil; (T.A.G.D.); (K.d.S.J.S.); (C.R.G.)
| | - Carlos Roberto Grandini
- Laboratório de Anelasticidade e Biomateriais, UNESP—Universidade Estadual Paulista, Bauru 17033-360, SP, Brazil; (T.A.G.D.); (K.d.S.J.S.); (C.R.G.)
- Institute of Biomaterials, Tribocorrosion and Nanomedicine—IBTN, Bauru 17033-360, SP, Brazil
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Adhikari R, Chen C, Waters E, West FD, Kim WK. Isolation and Differentiation of Mesenchymal Stem Cells From Broiler Chicken Compact Bones. Front Physiol 2019; 9:1892. [PMID: 30723419 PMCID: PMC6350342 DOI: 10.3389/fphys.2018.01892] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Accepted: 12/14/2018] [Indexed: 12/17/2022] Open
Abstract
Chicken mesenchymal stem cells (MSCs) can be used as an avian culture model to better understand osteogenic, adipogenic, and myogenic pathways and to identify unique bioactive nutrients and molecules which can promote or inhibit these pathways. MSCs could also be used as a model to study various developmental, physiological, and therapeutic processes in avian and other species. MSCs are multipotent stem cells that are capable of differentiation into bone, muscle, fat, and closely related lineages and express unique and specific cell surface markers. MSCs have been isolated from numerous sources including human, mouse, rabbit, and chicken with potential clinical and agricultural applications. MSCs from chicken compact bones have not been isolated and characterized yet. In this study, MSCs were isolated from compact bones of the femur and tibia of day-old male broiler chicks to investigate the biological characteristics of the isolated cells. Isolated cells took 8–10 days to expand, demonstrated a monolayer growth pattern and were plastic adherent. Putative MSCs were spindle-shaped with elongated ends and showed rapid proliferation. MSCs demonstrated osteoblastic, adipocytic, and myogenic differentiation when induced with specific differentiation media. Cell surface markers for MSCs such as CD90, CD105, CD73, CD44 were detected positive and CD31, CD34, and CD45 cells were detected negative by PCR assay. The results suggest that MSCs isolated from broiler compact bones (cBMSCs) possess similar biological characteristics as MSCs isolated from other chicken tissue sources.
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Affiliation(s)
- Roshan Adhikari
- Department of Poultry Science, University of Georgia, Athens, GA, United States.,Regenerative Bioscience Center, University of Georgia, Athens, GA, United States
| | - Chongxiao Chen
- Department of Poultry Science, University of Georgia, Athens, GA, United States.,Regenerative Bioscience Center, University of Georgia, Athens, GA, United States
| | - Elizabeth Waters
- Regenerative Bioscience Center, University of Georgia, Athens, GA, United States.,Department of Animal and Dairy Science, University of Georgia, Athens, GA, United States
| | - Franklin D West
- Regenerative Bioscience Center, University of Georgia, Athens, GA, United States.,Department of Animal and Dairy Science, University of Georgia, Athens, GA, United States
| | - Woo Kyun Kim
- Department of Poultry Science, University of Georgia, Athens, GA, United States.,Regenerative Bioscience Center, University of Georgia, Athens, GA, United States
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