Browse Items · NEOMED Bibliography Database

Osteoactivin promotes osteoblast adhesion through HSPG and alphavbeta1 integrin.

Osteoactivin (OA), also known as glycoprotein nmb (gpnmb) plays an important role in the regulation of osteoblast differentiation and function. OA induced osteoblast differentiation and function in vitro by stimulating alkaline phosphatase (ALP)…

Tags: 2014, 3T3 Cells, Abdelmagid Samir M, Actin Cytoskeleton/physiology, ADHESION, Alkaline Phosphatase/biosynthesis, Animals, Antibodies/immunology, Cell Adhesion, Cell Differentiation, Cell Line, Cell Proliferation, Chlorates/pharmacology, Department of Anatomy & Neurobiology, Extracellular Signal-Regulated MAP Kinases/biosynthesis, Eye Proteins/genetics/immunology/*metabolism, Focal Adhesion Kinase 1/biosynthesis, Focal Adhesions, Frara Nagat, Heparan Sulfate Proteoglycans/*metabolism, Heparin/pharmacology, Hisijara Israel Arango, Inbred C57BL, integrin, Journal of cellular biochemistry, Membrane Glycoproteins/genetics/immunology/*metabolism, Mice, Moussa Fouad M, NEOMED College of Medicine, OSTEOACTIVIN, OSTEOBLAST, OSTEOBLAST DIFFERENTIATION, Osteoblasts/*physiology, Osteogenesis/physiology, Protein Binding, Rats, Receptors, Recombinant Proteins, Safadi Fayez F, Scott Ethan M, Sondag Gregory R, Vitronectin/immunology/*metabolism

Macrophage-Associated Osteoactivin/GPNMB Mediates Mesenchymal Stem Cell Survival, Proliferation, and Migration Via a CD44-Dependent Mechanism.

Although MSCs have been widely recognized to have therapeutic potential in the repair of injured or diseased tissues, it remains unclear how functional activities of mesenchymal stem cells (MSCs) are influenced by the surrounding inflammatory milieu…

Osteoactivin induces transdifferentiation of C2C12 myoblasts into osteoblasts.

Osteoactivin (OA) is a novel osteogenic factor important for osteoblast differentiation and function. Previous studies showed that OA stimulates matrix mineralization and transcription of osteoblast specific genes required for differentiation. OA…

Transgenic Expression of Osteoactivin/gpnmb Enhances Bone Formation In Vivo and Osteoprogenitor Differentiation Ex Vivo.

Initial identification of osteoactivin (OA)/glycoprotein non-melanoma clone B (gpnmb) was demonstrated in an osteopetrotic rat model, where OA expression was increased threefold in mutant bones, compared to normal. OA mRNA and protein expression…

The Role of MicroRNAs and Their Targets in Osteoarthritis.

Micro ribonucleic acid (microRNA) regulation and expression has become an emerging field in determining the mechanisms regulating a variety of inflammation-mediated diseases. Several studies have focused on specific microRNAs that are differentially…

Tags: *Cartilage, *Inflammation, *MicroRNA, *OSTEOARTHRITIS, *Targets, 2016, Articular/*metabolism, Cartilage, Current rheumatology reports, Department of Anatomy & Neurobiology, Haqqi Tariq M, Inflammation/genetics/*metabolism, Intracellular Signaling Peptides and Proteins, MicroRNAs/genetics/*metabolism, NEOMED College of Medicine, Osteoarthritis/genetics/*metabolism, Sondag Gregory R

Mutation in osteoactivin decreases bone formation in vivo and osteoblast differentiation in vitro.

We have previously identified osteoactivin (OA), encoded by Gpnmb, as an osteogenic factor that stimulates osteoblast differentiation in vitro. To elucidate the importance of OA in osteogenesis, we characterized the skeletal phenotype of a mouse…

Osteoactivin inhibition of osteoclastogenesis is mediated through CD44-ERK signaling.

Osteoactivin is a heavily glycosylated protein shown to have a role in bone remodeling. Previous studies from our lab have shown that mutation in Osteoactivin enhances osteoclast differentiation but inhibits their function. To date, a classical…

Mutation in Osteoactivin Promotes Receptor Activator of NFkappaB Ligand (RANKL)-mediated Osteoclast Differentiation and Survival but Inhibits Osteoclast Function.

We previously reported on the importance of osteoactivin (OA/Gpnmb) in osteogenesis. In this study, we examined the role of OA in osteoclastogenesis, using mice with a nonsense mutation in the Gpnmb gene (D2J) and wild-type controls (D2J/Gpnmb(+)).…

Osteoactivin (GPNMB) ectodomain protein promotes growth and invasive behavior of human lung cancer cells.

The potential application of GPNMB/OA as a therapeutic target for lung cancer will require a greater understanding of the impact of GPNMB/OA ectodomain (ECD) protein shedding into tumor tissues. Thus, in this work we characterized GPNMB/OA expression…

Identification of Novel Agents for the Treatment of Brain Metastases of Breast Cancer.

BACKGROUND: Brain cancer from metastasized breast cancer has a high mortality rate in women. The treatment of lesions is hampered in large part by the blood-brain barrier (BBB), which prevents adequate distribution of anti-cancer compounds to brain…

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