نتایج جستجو برای: human osteoblast cells
تعداد نتایج: 2626996 فیلتر نتایج به سال:
AIM This study was focused on the isolation and characterization of mesenchymal stem cells (MSCs) from human dental pulp (DPSC). METHODS The study was performed in the Department for Oral and Cranio-Maxillo- Facial Surgey Hamad Medical Corporation, Doha, Qatar and Weill Cornell Medical Colleague Doha, Qatar, in period 2010-2011. Dental pulp was extracted from premolars and third molars of 19 ...
The sex steroids, androgens and estrogens, are major regulators of bone metabolism. However, whether these hormones act on bone cells through direct or indirect mechanisms has remained unclear. A nuclear binding assay recently used to demonstrate estrogen receptors in bone [Eriksen, E.F., Colvard, D.S., Berg, N.J., Graham, M.L., Mann, K.G., Spelsberg, T.C. & Riggs, B.L. (1988) Science 241, 84-8...
In recent years, many reports have suggested that photobiomodulation therapy (PBMT) using laser or LED light has wound-healing effects and is effective for early osseointegration of implants. addition, studies LEDs often use red with a wavelength 600-900 nm. On the other hand, there are shorter sources, such as green 500-570 nm, more cell proliferation. Therefore, we examined effect PBMT by irr...
Lactoferrin is an iron-binding glycoprotein present in epithelial secretions, such as milk, and in the secondary granules of neutrophils. We found it to be present in fractions of milk protein that stimulated osteoblast growth, so we assessed its effects on bone cell function. Lactoferrin produced large, dose-related increases in thymidine incorporation in primary or cell line cultures of human...
AIM The insulin-like growth factor 1 (IGF1) gene gives rise to multiple transcripts, using an elaborate alternative splicing mechanism. The aim of this study was to shed light on the expression and role of the IGF1 system in human MG-63 osteoblast-like osteosarcoma cells. MATERIALS AND METHODS The expression of the IGF1Ea, IGF1Eb and IGF1Ec isoforms was characterized using reverse transcripti...
OBJECTIVE To observe the effect of recombinant mycobacterium tuberculosis heat shock protein 10 (r-Mt-Cpn10) on human osteoblast proliferation, cell cycle, alkaline phosphatase, calcium nodules and the expression of Receptor Activator of Nuclear Factor KB Ligand (RANKL) and Osteoprotegerin (OPG). METHODS Osteoblasts were cultured in the medium with different concentration of r-Mt-Cpn10. No dr...
Evans, Jodi F., James K. Yeh, and John F. Aloia. Osteoblast-like cells of the hypophysectomized rat: a model of aberrant osteoblast development. Am J Physiol Endocrinol Metab 278: E832–E838, 2000.—In a previous work, we demonstrated that the osteoprogenitors derived from the marrow stroma of the hypophysectomized (HX) rat demonstrate enhanced proliferative and differentiation capacities when pl...
Endothelial cells are spatially close to osteoblasts and regulate osteogenesis. Moreover, they are sensitive to mechanical stimuli, therefore we hypothesized that they are implicated in the regulation of bone metabolism during unloading. Conditioned media from endothelial cells (EC-CM) subjected to simulated microgravity (0.08g and 0.008g) increased osteoblast proliferation and decreased their ...
Osteoblasts are bone-forming cells that produce large amounts of collagen type I and various bone matrix proteins. Although osteoblast differentiation is highly regulated by various factors, it remains unknown whether lysosomes are directly involved in osteoblast differentiation. Here, we demonstrate the transcription factor EB (TFEB), a master regulator of lysosomal biogenesis, modulates osteo...
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