Open Access

Hydrogen‑rich saline alleviates early brain injury through inhibition of necroptosis and neuroinflammation via the ROS/HO‑1 signaling pathway after traumatic brain injury

  • Authors:
    • Yun Hu
    • Xiaoyan Feng
    • Junhui Chen
    • Yan Wu
    • Liuyan Shen
  • View Affiliations

  • Published online on: December 9, 2021     https://doi.org/10.3892/etm.2021.11049
  • Article Number: 126
  • Copyright: © Hu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Traumatic brain injury (TBI) has been recognized as a serious public health issue and a key contributor to disability and death, with a huge economic burden worldwide. Hydrogen, which is a slight and specific cytotoxic oxygen radical scavenger, has been demonstrated to ameliorate early brain injury (EBI) through reactive oxygen species (ROS), oxidative stress injury, apoptosis and necroptosis. Necroptosis refers to a type of programmed cell death process that has a vital function in neuronal cell death following TBI. The specific function of necroptosis in hydrogen‑mediated neuroprotection after TBI, however, has yet to be determined. The present study aimed to examine the neuroprotective effects and possible molecular basis that underly hydrogen‑rich saline in TBI‑stimulated EBI by examining neural necroptosis in the C57BL/6 mouse model. The brain water content, neurological score, neuroinflammatory cytokines (NF‑κΒ, TNF‑α, IL‑6 and IL‑1β) and ROS were evaluated using flow cytometry. Malondialdehyde, superoxide dismutase (SOD) and glutathione (GSH) levels were evaluated using a biochemical kit. Receptor‑interacting protein kinase (RIP)1, RIP3, Nrf2 and Heme oxygenase‑1 (HO‑1) were evaluated using western blotting. mRNA of Nrf2 and HO‑1 were evaluated using quantitative PCR. Neuronal death was evaluated by TUNEL staining. The outcomes illustrated that hydrogen‑rich saline treatment considerably enhanced the neurological score, increased neuronal survival, decreased the levels of serum MDA and brain ROS, increased the levels of serum GSH and SOD. In addition the protein expression levels of RIP1 and RIP3 and the cytokines NF‑κB, TNF‑α, IL‑1β and IL‑6 were downregulated compared with the TBI group, which demonstrated that hydrogen‑rich saline‑induced inhibition of necroptosis and neuroinflammation ameliorated neuronal death following TBI. The neuroprotective capacity of hydrogen‑rich saline was demonstrated to be partly dependent on the ROS/heme oxygenase‑1 signaling pathway. Taken together, the findings of the present study indicated that hydrogen‑rich saline enhanced neurological outcomes in mice and minimized neuronal death by inducing protective effects against neural necroptosis as well as neuroinflammation.
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February-2022
Volume 23 Issue 2

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Spandidos Publications style
Hu Y, Feng X, Chen J, Wu Y and Shen L: Hydrogen‑rich saline alleviates early brain injury through inhibition of necroptosis and neuroinflammation via the ROS/HO‑1 signaling pathway after traumatic brain injury. Exp Ther Med 23: 126, 2022.
APA
Hu, Y., Feng, X., Chen, J., Wu, Y., & Shen, L. (2022). Hydrogen‑rich saline alleviates early brain injury through inhibition of necroptosis and neuroinflammation via the ROS/HO‑1 signaling pathway after traumatic brain injury. Experimental and Therapeutic Medicine, 23, 126. https://doi.org/10.3892/etm.2021.11049
MLA
Hu, Y., Feng, X., Chen, J., Wu, Y., Shen, L."Hydrogen‑rich saline alleviates early brain injury through inhibition of necroptosis and neuroinflammation via the ROS/HO‑1 signaling pathway after traumatic brain injury". Experimental and Therapeutic Medicine 23.2 (2022): 126.
Chicago
Hu, Y., Feng, X., Chen, J., Wu, Y., Shen, L."Hydrogen‑rich saline alleviates early brain injury through inhibition of necroptosis and neuroinflammation via the ROS/HO‑1 signaling pathway after traumatic brain injury". Experimental and Therapeutic Medicine 23, no. 2 (2022): 126. https://doi.org/10.3892/etm.2021.11049