نتایج جستجو برای: osteopontin opn
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Osteopontin (OPN), a secreted protein involved in inflammatory processes and cancer, induces cell adhesion, migration, and activation of inflammatory pathways in various cell types. Cells bind OPN via integrins at a canonical RGD region in the full length form as well as to a contiguous cryptic site that some have shown is unmasked upon thrombin or matrix metalloproteinase cleavage. Thus, the a...
Osteopontin (OPN) is an acidic, noncollagenous matrix protein produced by the bone and kidneys. It is reportedly involved in bone resorption and formation. We examined the association between serum OPN levels and bone mineral density in postmenopausal women. Premenopausal women (n=32) and postmenopausal women (n=409) participated in the study. We measured serum osteopontin levels and their rela...
Osteopontin (OPN) is associated with the severity and progression of osteoarthritis (OA); however, the mechanism of OPN in the pathogenesis of OA is unknown. In this study, we found that OA patients had higher abundance of OPN and matrix metalloproteinase 13 (MMP13). In chondrocytes, we showed that OPN promoted the production of MMP13 and activation of NF-κB pathway by increasing the abundance ...
Hepatitis B virus X protein (HBx) plays an important role in the development of hepatocellular carcinoma (HCC). However, the mechanism remains unclear. Recently, we have reported that HBx promotes hepatoma cell migration through the upregulation of calpain small subunit 1 (Capn4). In addition, several reports have revealed that osteopontin (OPN) plays important roles in tumor cell migration. In...
background: interfering with cell proliferation and survival is a critical role for antineoplastic drugs leading to cell death through induction of apoptosis. alternative treatments with herbal extracts offer insights into acute myeloid leukemia (aml) therapy. parthenolide (ptl), an extract from feverfew, induces apoptosis in primary human leukemia stem cells (lscs) and bulk leukemic cell popul...
Abnormal myelination underlies the pathology of white matter diseases such as preterm injury and multiple sclerosis. Osteopontin (OPN) has been suggested to play a role in myelination. Murine OPN mRNA is translated into secreted isoform (sOPN) or an intracellular (iOPN). Whether there isoform-specific involvement unknown. Here we generated mouse models that either lacked both isoforms all cells...
Osteopontin (OPN) is a glycophosphoprotein cytokine that has multiple functions. OPN is expressed and secreted by various cells, and has a role in cell adhesion, chemotaxis, prevention of apoptosis, invasion, migration and anchorage-independent growth of tumor cells. Extensive research has demonstrated the pivotal participation of OPN in the regulation of cell signaling which controls neoplasti...
Background: The expression level of osteopontin correlates with the metastatic potential of several tumors. Osteopontin is a well-characterized ligand for the αvβ3 integrin. The present study was undertaken to elucidate the possible role of osteopontin/αvβ3 signaling in prostate cancer cell migration. Results: We generated stable prostate cancer cell (PC3) lines that over-express osteopontin (P...
Title Prognostic significance of plasma osteopontin in patients with loco-regionally advanced head and neck squamous cell carcinoma treated on TROG 02.02 Phase III trial. Author manuscripts have been peer reviewed and accepted for publication but have not yet been edited. Prognostic significance of plasma osteopontin in HNSCC. There are no conflicts of interest to declare. Total number of figur...
Inflammatory mediators are closely associated with the pathogenesis of neurodegenerative changes in Alzheimer's disease (AD) and mild cognitive impairment (MCI). Osteopontin (OPN) is a proinflammatory cytokine that has been shown to play an important role in various neuroinflammatory diseases. However, the function of OPN in AD and MCI progression is not well defined. Cerebrospinal fluid (CSF) ...
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