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Article

Combined treatment of PC‑3 cells with ultrasound and microbubbles suppresses invasion and migration

  • Authors:
    • Cong Wei
    • Wen‑Kun Bai
    • Yu Wang
    • Bing Hu
  • View Affiliations / Copyright

    Affiliations: Department of Ultrasound in Medicine, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai Institute of Ultrasound in Medicine, Shanghai 200233, P.R. China
  • Pages: 1372-1376
    |
    Published online on: July 3, 2014
       https://doi.org/10.3892/ol.2014.2310
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Abstract

The aim of the present study was to investigate whether ultrasound treatment combined with microbubbles inhibits cell invasion and migration in androgen‑independent prostate cancer (PCa) cells and to identify the probable mechanism. Ultrasound was used in continuous wave mode at a frequency of 21 kHz and with a spatial‑average temporal‑average intensity of 46 mW/cm2. Ultrasound combined with microbubbles (200 µl; SonoVue) was administered to androgen‑independent human PCa PC‑3 cells for 30 sec. The PC‑3 cells were divided into three groups: The control group, the ultrasound group (US) and the ultrasound combined with microbubbles group (US + MB). Following treatment for 12, 24, 48 and 72 h, cell counting kit‑8 was used to assess cell viability. Cell invasion and migration was measured 12 h after treatment using Transwell migration assays. Quantitative polymerase chain reaction and western blot analysis were used to evaluate the expression of the migration‑associated proteins, matrix metalloproteinase (MMP)‑2 and MMP‑9. Cell reproduction levels in the US and US + MB groups were significantly suppressed when compared with the control group (P<0.01) following 24 h of treatment and this suppression was significantly higher in the US + MB group than in the US group (P<0.01). However, no significant differences in cell reproduction levels between the three groups were identified at 12 h (P>0.05). Ultrasound combined with microbubbles significantly suppressed the level of invasion and migration in the PC‑3 cells compared with the control group (190.83±14.63 vs. 509.67±18.62, P<0.01; and 86.67±10.60 vs. 271.33±65.14; P<0.01, respectively). Furthermore, combined treatment with ultrasound and microbubbles suppressed the expression of MMP‑2 and MMP‑9. In conclusion, it was found that ultrasound combined with microbubbles suppressed invasion and migration in human PCa PC‑3 cells via downregulation of MMP‑2 and MMP‑9.
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Copy and paste a formatted citation
Spandidos Publications style
Wei C, Bai WK, Wang Y and Hu B: Combined treatment of PC‑3 cells with ultrasound and microbubbles suppresses invasion and migration. Oncol Lett 8: 1372-1376, 2014.
APA
Wei, C., Bai, W., Wang, Y., & Hu, B. (2014). Combined treatment of PC‑3 cells with ultrasound and microbubbles suppresses invasion and migration. Oncology Letters, 8, 1372-1376. https://doi.org/10.3892/ol.2014.2310
MLA
Wei, C., Bai, W., Wang, Y., Hu, B."Combined treatment of PC‑3 cells with ultrasound and microbubbles suppresses invasion and migration". Oncology Letters 8.3 (2014): 1372-1376.
Chicago
Wei, C., Bai, W., Wang, Y., Hu, B."Combined treatment of PC‑3 cells with ultrasound and microbubbles suppresses invasion and migration". Oncology Letters 8, no. 3 (2014): 1372-1376. https://doi.org/10.3892/ol.2014.2310
Copy and paste a formatted citation
x
Spandidos Publications style
Wei C, Bai WK, Wang Y and Hu B: Combined treatment of PC‑3 cells with ultrasound and microbubbles suppresses invasion and migration. Oncol Lett 8: 1372-1376, 2014.
APA
Wei, C., Bai, W., Wang, Y., & Hu, B. (2014). Combined treatment of PC‑3 cells with ultrasound and microbubbles suppresses invasion and migration. Oncology Letters, 8, 1372-1376. https://doi.org/10.3892/ol.2014.2310
MLA
Wei, C., Bai, W., Wang, Y., Hu, B."Combined treatment of PC‑3 cells with ultrasound and microbubbles suppresses invasion and migration". Oncology Letters 8.3 (2014): 1372-1376.
Chicago
Wei, C., Bai, W., Wang, Y., Hu, B."Combined treatment of PC‑3 cells with ultrasound and microbubbles suppresses invasion and migration". Oncology Letters 8, no. 3 (2014): 1372-1376. https://doi.org/10.3892/ol.2014.2310
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