نتایج جستجو برای: bmp 2 peptide
تعداد نتایج: 2649874 فیلتر نتایج به سال:
INTRODUCTION Osteogenic differentiation and mineralization of bone marrow stromal (BMS) cells depends on the cells’ interactions with bioactive peptides associated with the matrix proteins. Multiple bioactive peptides in the bone ECM, interact with progenitor BMS cells to initiate the cascade of chemotaxis, differentiation, and mineralization. The peptide KIPKASSVPTELSAISTLYL (hereafter referre...
The impacts of four treatments, ultra-high hydrostatic pressure (UHP), high-pressure homogenization (HPH), combined UHP + HPH (U-H), and (H-U), on bighead carp (Aristichthys nobilis) myofibrillar protein (BMP) structure, functional hydrolysis property to pepsin, antioxidant activity hydrolysates were investigated. All treatments led increase in low-molecular-weight BMP, the BMP stability, hydro...
Despite bone’s inherent ability to heal, large bone defects remain a major clinical concern. This study proposes an off-the-shelf treatment combining chitosan/hydroxyapatite (CS/HAp) scaffolds, covalently linked with either morphogenetic protein-2 (BMP-2) or its related peptide P28 via UV crosslinking process. Although binding the growth factors was reported as great alternative conventionally ...
The objective of the present study was to enhance ectopic bone formation through the controlled release of bone morphogenetic protein-2 (BMP-2) from an injectable three dimensional (3-D) tissue engineered nano-scaffold. We demonstrate that a 3-D scaffold can be formed by mixing of peptide-amphiphile (PA) aqueous solution with BMP-2 suspension. A 3-D network of nanofibers was formed by mixing BM...
BCL-2-associated athanogene-1 (BAG-1) is expressed by osteoblast-lineage cells; early embryonic lethality in Bag-1 null mice, however, has limited the investigation of BAG-1 function in osteoblast development. In the present study, bone morphogenetic protein-2/BMP-2-directed osteogenic differentiation of bone marrow stromal cells (BMSCs) of Bag-1(+/-) (heterozygous) female mice was decreased si...
The transforming growth factor-β/bone morphogenic protein (BMP) system is a major pathway for angiogenesis and is involved in hereditary vascular diseases. Here we report that the gene encoding the vasoactive and vascular cell growth-regulating peptide apelin is a target of the BMP pathway. We demonstrate that apelin expression is strongly downregulated by BMP in an endothelial cell line as wel...
Bone morphogenetic proteins (BMPs) and 45S5 Bioglass microspheres (bioactive GM) can increase the differentiation of osteoblasts. Recombinant human BMP-2 (rhBMP-2) is presently the BMP most frequently used in delivery systems and it has already been used in clinical bone healing studies. We have developed a delivery system that combines a collagen Type I gel, BMP and bioactive GM. Since BMP-9 s...
Introduction: The use of BMP-2 plays an important role in the treatment of extensive bone defect. However, data about the optimal dosage of BMP-2 in the massive bone defect cases is rare. Material and Method: Twenty-five SD rats were randomly divided into a control group ofhydroxyapatite (HA) alone (Group I), HA+BMP-2 1µg/mL (Group II), HA+BMP-2 5 ug/mL (Group III), HA+BMP-2 10 µg/mL (Gro...
Despite widespread research on non-traumatic femoral head osteonecrosis (FHON), there is no consensus about preventative treatment options. Insufficient blood supply and increased intra-osseous pressure are the initiating events in the majority of cases. BMPs are growth factors that belong to the transforming growth factor β (TGFβ) superfamily. Two specific formulations of BMPs have already bee...
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