Abstract:
:This study was designed to determine the effects of the osteoprotegerin (OPG) on the mRNA expression of carbonic anhydrase II (CAII) and the receptor activator of NF-κB (RANK) in mouse osteoclast-like cells. Marrow cells were harvested from femora and tibiae of mouse and cultured in 6-well chamber slides. After 1 day of incubation, the marrow cells were exposed to M-CSF (25 ng/ml), RANKL (50 ng/ml), and different concentrations of OPG (50, 75, and 100 ng/ml, respectively) for 3 days. Osteoclast-like cells were confirmed by both tartrate-resistant acid phosphatase (TRAP) stain and bone resorption assay. The expression of RANK and CAIImRNA was determined with real-time fluorescent quantitative polymerase chain reaction. The numbers of multinucleated, TRAP-positive osteoclast-like cells, and resorption pits formed were observed. Compared with the M-CSF + RANKL group, RANKmRNA expression was statistically decreased in the M-CSF and M-CSF + RANKL + OPG (100 ng/ml) groups (P = 0.004, P = 0.024, respectively); Compared with the M-CSF, M-CSF + RANKL, and M-CSF + RANKL + OPG (100 ng/ml) group, CAIImRNA expression in the M-CSF + RANKL + OPG (75 ng/ml) groups was statistically decreased (P = 0.001, P = 0.008, and P = 0.036, respectively). These data suggest that OPG could regulate the expression of RANK and CA II mRNA in the marrow culture system.
journal_name
Rheumatol Intjournal_title
Rheumatology internationalauthors
Chen J,He JQ,Zhen SY,Huang LQdoi
10.1007/s00296-011-2338-4subject
Has Abstractpub_date
2012-12-01 00:00:00pages
3993-8issue
12eissn
0172-8172issn
1437-160Xjournal_volume
32pub_type
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pub_type: 杂志文章,评审
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journal_title:Rheumatology international
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journal_title:Rheumatology international
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journal_title:Rheumatology international
pub_type: 杂志文章
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