Osteoporosis
Effects and optimum concentration of zoledronate on RAW264.7
Lukai Zhang, Jianxiong Ma, Jie Zhao, Mingjie Kuang, Bin Lu, Ying Wang, Lei Sun, Xinlong Ma
Published 2018-02-05
Cite as Chin J Geriatr Orthop Rehabil(Electronic Edition), 2018, 04(1): 4-8. DOI: 10.3877/cma.j.issn.2096-0263.2018.01.002
Abstract
ObjectiveTo further observe the concentration range of zoledronate on RAW264.7 cell toxic effect and confirm the optimum concentration in inhibition of RAW264.7 differentiation of osteoclast.
MethodsMouse leukemia macro phage RAW264.7 was cultured as research object. RAW264.7 osteoclast toxic effect of zoledronate was detected by MTT method. Inhibition of osteoclast differentiation by different concentration of zoledronate were detected by tartrate-resistant acid phosphatase staining method.
ResultsAfter 24 h vitro culture, Enzyme-linked immunosorbent assay absorbance indicated that 10-3 mol/L (0.511±0.920), 10-4 mol/L (0.615±0.577) concentrations of zoledronate had significantly toxic effects on cells compared with the blank control group (0.789±0.061)(F=5.880, P<0.01). TRAP staining osteoclast count indicated that 10-5 mol/L (8.333±0.817), 10-6 mol/L (10.400±1.817), 10-7 mol/L (11.250±2.750) and 10-8 mol/L (11.143±1.864) concentrations of zoledronate all significantly inhibited RAW264.7 differentiation compared with the blank control group (F=27.972, P<0.05), showing concentration dependence, 10-5 mol/L zoledronate had the highest inhabitation effect (P<0.01).
ConclusionZoledronate can effectively inhibit RAW264.7 differentiation, and the optimum concentration in vitro is 10-5 mol/L.
Key words:
Zoledronic acid; Osteoclast; Cell differentiation; Cytotoxicity; RAW264.7
Contributor Information
Lukai Zhang
Orthopedics institute of Tianjin Hospital, Tianjin 300211, China
Graduate school of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China
Jianxiong Ma
Orthopedics institute of Tianjin Hospital, Tianjin 300211, China
Jie Zhao
Orthopedics institute of Tianjin Hospital, Tianjin 300211, China
Mingjie Kuang
Orthopedics institute of Tianjin Hospital, Tianjin 300211, China
Bin Lu
Orthopedics institute of Tianjin Hospital, Tianjin 300211, China
Ying Wang
Orthopedics institute of Tianjin Hospital, Tianjin 300211, China
Lei Sun
Orthopedics institute of Tianjin Hospital, Tianjin 300211, China
Xinlong Ma
Orthopedics institute of Tianjin Hospital, Tianjin 300211, China
Tianjin Hospital, Tianjin 300142, China