scholarly journals A Comparative Genomic and Transcriptional Survey Providing Novel Insights into Bone Morphogenetic Protein 2 (bmp2) in Fishes

2019 ◽  
Vol 20 (24) ◽  
pp. 6137 ◽  
Author(s):  
Guang Yang ◽  
Zhendong Qin ◽  
Hongyan Kou ◽  
Rishen Liang ◽  
Lijuan Zhao ◽  
...  
Keyword(s):  
Bone Morphogenetic Protein ◽  
Bone Repair ◽  
Fish Bone ◽  
Transcriptomic Analysis ◽  
Bone Morphogenetic Protein 2 ◽  
Comparative Genomic ◽  
Sequence Alignments ◽  
Cell Proliferation And Differentiation ◽  
Morphogenetic Protein

Intermuscular bones (IBs) are only found in the muscles of fish. Bone morphogenetic protein 2 (bmp2) is considered to be the most active single osteogenesis factor. It promotes cell proliferation and differentiation during bone repair, as well as inducing the formation of bones and cartilages in vivo. However, detailed investigations of this family in fish are incredibly limited. Here, we have used a variety of published and unpublished bmp2 sequences for teleosts and cartilage fish in order to explore and expand our understanding of bmp2 genes in fish. Our results confirmed that teleost genomes contain two or more bmp2 genes, and the diversity of bmp2 genes in vertebrates appears to be as a result of a combination of whole genome duplication (WGD) and gene loss. Differences were also observed in tissue distribution and relative transcription abundance of the bmp2s through a transcriptomic analysis. Our data also indicated that bmp2b may play an important role in the formation of IBs in teleosts. In addition, protein sequence alignments and 3D structural predictions of bmp2a and bmp2b supported their similar roles in fishes. To summarize, our existing work provided novel insights into the bmp2 family genes in fishes through a mixture of comparative genomic and transcriptomic analysis.

Bone repair scaffold coated with bone morphogenetic protein-2 for bone regeneration in murine calvarial defect model: Systematic review and quality evaluation

2019 ◽  
Vol 42 (7) ◽  
pp. 325-337 ◽  
Author(s):  
Jian-Hua Zeng ◽  
Peng Qiu ◽  
Long Xiong ◽  
Shi-Wei Liu ◽  
Ling-Hua Ding ◽  
...  
Keyword(s):  
Bone Morphogenetic Protein ◽  
Bone Repair ◽  
Animal Research ◽  
Bone Morphogenetic Protein 2 ◽  
Calvarial Defect ◽  
Research Reporting ◽  
In Vivo Experiments ◽  
Morphogenetic Protein

To systematically assess the effects of hydroxyapatite bone repair scaffold coated with bone morphogenetic protein-2 on murine calvarial defect models and to determine the quality of studies according to the Animal Research Reporting in In Vivo Experiments guidelines. Internet search was performed in duplicate using PubMed, MEDLINE, Ovid and Embase databases (without restrictions on publication date). The Animal Research Reporting in In Vivo Experiments guidelines were used to evaluate the quality of selected studies. Following screening, 12 studies were eligible for the review. Studies with average quality coefficients predominated (66.67%), followed by poor (25%) and excellent (8.33%) quality coefficients. Minimum quality scores were assigned to the Animal Research Reporting in In Vivo Experiments guideline items: housing and husbandry (9), allocation (11), outcomes (12), interpretation (18) and generalizability (19). Sprague–Dawley rats were the most frequently used (50%) species, and most studies had a sample size of more than 30 (58.33%). A defect dimension of 5 mm was the most common (33.33%). The biological hydroxyapatite composite scaffold was common (50%), and the bioactive factors were bone morphogenetic protein-2 (50%) and recombinant human bone morphogenetic protein-2 (50%). Histomorphometric results showed that bone morphogenetic protein-2 enhanced the capacity to regenerate bone considerably. In addition, scaffolds with bone morphogenetic protein-2 resulted in a significant increase in the blood vessel in the new bone. The findings suggested that data on animal experiments of hydroxyapatite scaffold coated with bone morphogenetic protein-2 in murine calvarial defect models lack homogeneity. Animal experiment should follow the Animal Research Reporting in In Vivo Experiments guidelines to promote the high quality, integrity and reproducibility. This systematic review suggested that bone morphogenetic protein-2 enhanced the capacity to regenerate bone and the angiogenesis in the new bone.

scholarly journals In Vivo Host Response and Degradation of Copolymer Scaffolds Functionalized with Nanodiamonds and Bone Morphogenetic Protein 2

2016 ◽  
Vol 5 (6) ◽  
pp. 730-742 ◽  
Author(s):  
Salwa Suliman ◽  
Yang Sun ◽  
Torbjorn O. Pedersen ◽  
Ying Xue ◽  
Joachim Nickel ◽  
...  
Keyword(s):  
Bone Morphogenetic Protein ◽  
Host Response ◽  
Bone Morphogenetic Protein 2 ◽  
Morphogenetic Protein

Immediate versus delayed application of bone morphogenetic protein-2 solution in damaged extraction sockets: a preclinical in vivo investigation

2020 ◽  
Vol 25 (1) ◽  
pp. 275-282
Author(s):  
Myong Ji Kim ◽  
Jae-Kook Cha ◽  
Kyeong-Won Paeng ◽  
Young Woo Song ◽  
Daniel S. Thoma ◽  
...  
Keyword(s):  
Bone Morphogenetic Protein ◽  
Bone Morphogenetic Protein 2 ◽  
Morphogenetic Protein

scholarly journals Surface Immobilization of TiO2 Nanotubes with Bone Morphogenetic Protein-2 Synergistically Enhances Initial Preosteoblast Adhesion and Osseointegration

2019 ◽  
Vol 2019 ◽  
pp. 1-12 ◽  
Author(s):  
Ying Li ◽  
Yunjia Song ◽  
Aobo Ma ◽  
Changyi Li
Keyword(s):  
Bone Morphogenetic Protein ◽  
Bone Morphogenetic Protein 2 ◽  
Surface Immobilization ◽  
Implant Surface ◽  
Cytoskeleton Organization ◽  
Morphogenetic Protein ◽  
Human Bone Morphogenetic Protein ◽  
Collagen Type 1

Although titanium (Ti) alloys have been widely used as implant materials, the bioinertness of pristine Ti impairs their bioactivity and early osseointegration. In the present work, we prepared TiO2 nanotubes (TNT) layer on the titanium (Ti) surface by anodic oxidation. The anodized surface was functionalized with human bone morphogenetic protein-2 coating to form the hBMP-2/TNT surface. The release behavior of hBMP-2 on the hBMP-2/TNT surface displayed a controlled and sustained pattern, compared to that on the hBMP-2/Ti surface, which showed a rapid release. In vitro cellular activity tests demonstrated that both TNT and hBMP-2/Ti surfaces, particularly the hBMP-2/TNT surface, enhanced adhesion, proliferation, and differentiation of osteoblast cells. Increased cell adhesion, improved cytoskeleton organization, and immunofluorescence staining of vinculin were observed on the modified surfaces. The TNT, hBMP-2/Ti, and hBMP-2/TNT surfaces, especially the hBMP-2/TNT surface, further displayed an upregulated gene expression of adhesion and osteogenic markers vinculin, collagen type 1, osteopontin, and osteocalcin, compared to the pristine Ti surface. In vivo experiments using a rat model demonstrated that the TNT and hBMP-2/Ti surfaces, in particular the hBMP-2/TNT surface, improved osseointegration and showed a superior bone bonding ability compared to Ti. Our study revealed a synergistic role played by TiO2 nanotubes nanotopography and hBMP-2 in promoting initial osteoblast adhesion, proliferation, differentiation, and osseointegration, thus suggesting a promising method for better modifying the implant surface.

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