نتایج جستجو برای: bone matrix gelatin
تعداد نتایج: 665728 فیلتر نتایج به سال:
Although preparation of early-stage bone-marrow-derived mesenchymal stem cells (BM-MSCs) is critical for successful cell transplantation therapy, no culture system offers a sufficient number of early-stage BM-MSCs for cell transplantation. Accordingly, we developed a culture system capable of producing a large number of early-stage BM-MSCs by using gelatin-coated matrix. The greatest retrieval ...
Background and Objective: One of the major concerns of surgeons and patients is repairing of bone loss due to various factors. Many materials have been made to improve the quantity and quality of bone loss repair. The aim of this research was radiographic evaluation of healing process of human bone loss created after implantation of HECBMG (Human Endochondral Bone Matrix Gelatin) and DBM (Demin...
The extracellular matrix(ECM), which is primarily composed of collagens and proteoglycans, plays a key role in cell proliferation, differentiation, and migration and interactions between cells. In this study, we produced chitosan/gelatin/bone marrow stem cells-derived extracellular matrix(C/G/BMSCs-dECM) scaffolds via lyophilization and cross-linking, and chitosan/gelatin(C/G) scaffolds were us...
The purpose of this study was to perform a number of preliminary in vitro evaluations on an array of modified gelatin gel sponge scaffolds for use in a bone graft application. The gelatin gels were modified through the addition of a number of components which each possess unique properties conducive to the creation and regeneration of bone: a preparation rich in growth factors (PRGF, a bioactiv...
In recent years, there has been a great interest in using natural polymers in the composition of calcium phosphate bone cements to enhance their physical, mechanical, and biological performance. Gelatin is a partially hydrolyzed form of collagen, a natural component of bone matrix. In this study, the effect of blooming gelatin on the nanohydroxyapatite precipitation, physical and mechanical pro...
The objective of this study was to evaluate the proliferation and chondrogenic differentiation of rat bone marrow-derived mesenchymal stem cells (MSCs) cultured with gelatin hydrogel microspheres of cell scaffold which can release transforming growth factor-beta1 (TGF-beta1). Gelatin was dehydrothermally cross-linked in different conditions in a water-in-oil emulsion state to obtain gelatin hyd...
background: in several conditions we have face cranial bone defects. reconstruction of these defects remains one of the most challenging problems encountered by craniofacial surgeons. objective: to evaluate bone repair in cranial bone defects by use of an implant made of octacalcium phosphate in combination with bone matrix gelatin (ocp/bmg). methods: we used 40, 5–6-week-old male sprague-d...
Background and purpose: This study was designed to identify the cells involved in the healing of the parietal bone defects after implantation of octacalcium phosphate (OCP) combined with bone matrix gelatin (BMG). Materials and Methods: Sixteen young male Sprague Dawley rats (5-6 weeks age) were used. A full thickness standardized trephine defects, 5mm in diameter, was made in the rat pari...
Background: In several conditions we have face cranial bone defects. Reconstruction of these defects remains one of the most challenging problems encountered by craniofacial surgeons. Objective: To evaluate bone repair in cranial bone defects by use of an implant made of octacalcium phosphate in combination with bone matrix gelatin (OCP/BMG). Methods: We used 40, 5–6-week-old male Sprague-Dawle...
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