Open Access

Resveratrol protects against sodium nitroprusside induced nucleus pulposus cell apoptosis by scavenging ROS

  • Authors:
    • Kang Li
    • Yan Li
    • Jie Mi
    • Lu Mao
    • Xiuguo Han
    • Jie Zhao
  • View Affiliations

  • Published online on: February 6, 2018     https://doi.org/10.3892/ijmm.2018.3461
  • Pages: 2485-2492
  • Copyright: © Li et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Oxidative stress induced disc cell apoptosis plays an important role in intervertebral disc (IVD) degeneration. The present study aims to investigate effects of resveratrol (RV), a natural polyphenol compound, on sodium nitroprusside (SNP) induced nucleus pulposus (NP) cell apoptosis and related mechanism. Rat NP cells were pretreated with RV, N-acetyl cysteine (NAC) and carboxy-PTIO (PTIO) before SNP treatment. Cell Counting Kit-8 assay was carried out for cell viability evaluation. Annexin V/propidium iodide (PI), Hoechst 33258 and Actin‑Tracker Green and Tubulin-Tracker Red staining were conducted to detect NP cell apoptosis and apoptotic structural changes. Mitochondrial membrane potential (ΔΨm) was analyzed with tetramethylrhodamine methyl ester staining. DCFH-DA and DAF-FM DA staining was used to determine intracellular reactive oxygen species (ROS) and nitric oxide (NO) levels. An ex vivo experiment was also carried out followed by TUNEL assay of sections of discs. SNP induced NP cell apoptosis, excessive production of intracellular ROS and NO, reduction of ΔΨm as well as disruption of cytoskeletal and morphological structure. Meanwhile, organ culture results showed that SNP induced NP cell apoptosis ex vivo. RV and NAC siginificantly inhibited SNP induced NP cell apoptosis, production of intracellular ROS, deline of ΔΨm as well as disruption of cytoskeletal and morphological structure, while RV did not suppress NO production. RV and NAC could also suppress SNP induced NP cell apoptosis ex vivo. However, PTIO did not prevent SNP induced NP cell apoptosis, though it scavenged NO significantly. In conclusion, RV protects against SNP induced NP cell apoptosis by scavenging ROS but not NO, suggesting a promising prospect of RV in IVD degeneration retardation.
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May-2018
Volume 41 Issue 5

Print ISSN: 1107-3756
Online ISSN:1791-244X

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Spandidos Publications style
Li K, Li Y, Mi J, Mao L, Han X and Zhao J: Resveratrol protects against sodium nitroprusside induced nucleus pulposus cell apoptosis by scavenging ROS. Int J Mol Med 41: 2485-2492, 2018
APA
Li, K., Li, Y., Mi, J., Mao, L., Han, X., & Zhao, J. (2018). Resveratrol protects against sodium nitroprusside induced nucleus pulposus cell apoptosis by scavenging ROS. International Journal of Molecular Medicine, 41, 2485-2492. https://doi.org/10.3892/ijmm.2018.3461
MLA
Li, K., Li, Y., Mi, J., Mao, L., Han, X., Zhao, J."Resveratrol protects against sodium nitroprusside induced nucleus pulposus cell apoptosis by scavenging ROS". International Journal of Molecular Medicine 41.5 (2018): 2485-2492.
Chicago
Li, K., Li, Y., Mi, J., Mao, L., Han, X., Zhao, J."Resveratrol protects against sodium nitroprusside induced nucleus pulposus cell apoptosis by scavenging ROS". International Journal of Molecular Medicine 41, no. 5 (2018): 2485-2492. https://doi.org/10.3892/ijmm.2018.3461