نتایج جستجو برای: bone differentiation
تعداد نتایج: 509113 فیلتر نتایج به سال:
management of mesenchymal stem cells (mscs) capabilities to differentiate into osteogenic and chondrogenic lineages would be of utmost importance for their future use in difficult to treat cases of destroyed bone and cartilage. thus, an understanding of the epigenetic mechanisms as important modulators of stem cell differentiation might be useful. epigenetic mechanism refers to a process that r...
objective articular cartilage as an avascular skeletal tissue possesses limited capacity to heal. on the other hand, it is believed that the regeneration capacity of each tissue is largely related to its stem cell contents. little is known about the presence of mesenchymal stem cells in articular cartilage tissue. this subject is investigated in the present study. materials and methods articula...
abstract due to their mulitpotency, mesenchymal stem cells (mscs), have the ability to proliferate and differentiate into multiple mesodermal tissues. the aim of this study was to isolate mscs from human umbilical cord (hucmscs) to determine their osteogenic potential on nanofibrous scaffolds. to this end, poly (l-lactic acid) (plla)/nano hydroxyapatite (ha) composite nanofibrous scaffolds were...
Objective(s) The use of co-culture cells as well as extra cellular matrix are among those strategies that have been employed to direct mesenchymal stem cell (MSC) bone differentiation in culture. In this regard, there is no study considering the effects of Matrigel on mesenchymal stem cell (MSC) in vitro bone differentiation. This was the subject of the present study. Materials and Methods ...
Nanofiber scaffolds and bio-ceramic nanoparticles have been widely used in bone tissue engineering. The use of human induced pluripotent stem cells (hiPSCs) on this scaffold can be considered as a new approach in the differentiation of bone tissue. In the present study, a polyaniline-gelatin-polycaprolactone (PANi-GEL-PCL) composite nanoscaffold was made by electrospinning and modified superfic...
Objective(s):To study the effect of low-frequency vibration on bone marrow stromal cell differentiation and potential bone repair in vivo. Materials and Methods:Forty New Zealand rabbits were randomly divided into five groups with eight rabbits in each group. For each group, bone defects were generated in the left humerus of four rabbits, and in the right humerus of the other four rabbits. To t...
bone tissue engineering has been one of the most promising areas of research, providing a potential clinical application to cure bone defects. recently, various stem cells, including embryonic stem cells (escs), bone marrow-derived mesenchymal stem cells (bm-mscs), umbilical cord blood-derived mesenchymal stem cells (ucb-mscs), adipose tissue-derived stem cells (adscs), muscle-derived stem cell...
objective(s):to study the effect of low-frequency vibration on bone marrow stromal cell differentiation and potential bone repair in vivo. materials and methods:forty new zealand rabbits were randomly divided into five groups with eight rabbits in each group. for each group, bone defects were generated in the left humerus of four rabbits, and in the right humerus of the other four rabbits. to t...
objective: osteoblasts arise from multipotent mesenchymal stem cells (mscs) present in the bone marrow stroma and undergo further differentiation to osteocytes or bone cells. many factors such as proteins present in the wnt signaling pathway affect osteoblast differentiation. ror2 is an orphan tyrosine kinase receptor that acts as a co-receptor in the non-canonical wnt signaling pathway. howeve...
Background and Objective: The importance of β-adrenergic signals in bone formation and resorption has been well investigated. However, little is known about the role of β -adrenergic signals in osteoblastic differentiation of mesenchymal stem cells (MSCs), which is critically important in bone physiology and pharmacology. In this study, RUNX2 and Osteocalcin gene expression were quantified in M...
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