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Identification of Intracellular Signaling Events Induced in Viable Cells by Interaction with Neighboring Cells Undergoing Apoptotic Cell Death
09:18

Identification of Intracellular Signaling Events Induced in Viable Cells by Interaction with Neighboring Cells Undergoing Apoptotic Cell Death

Published on: December 27, 2016

[Effect of necrostatin-1 on apoptosis induced by aluminum and its mechanism]

Qin-li Zhang1, Xiu-liang Ji, Wei-li Guo

  • 1Department of Occupational Health, Shanxi Medical University, Taiyuan 030001, China.

Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi = Zhonghua Laodong Weisheng Zhiyebing Zazhi = Chinese Journal of Industrial Hygiene and Occupational Diseases
|July 20, 2010
PubMed
Abstract

Insights

Necrostatin (Nec-1) protects against aluminum-induced neural cell death by reducing apoptosis and necrosis. It acts via the Caspase-8 pathway and upregulates NF-kappa B protein expression.

Area of Science:

  • Neuroscience
  • Toxicology
  • Cell Biology

Context:

  • Aluminum (Al) exposure is linked to neurodegenerative processes.
  • Understanding mechanisms of aluminum-induced neural cell death is crucial.
  • Necrostatin (Nec-1) is a known inhibitor of programmed necrosis.

Purpose:

  • To investigate the protective effects of Nec-1 against aluminum-induced apoptosis in neural cells.
  • To elucidate the underlying molecular mechanisms involved in Nec-1's action.

Summary:

  • Aluminum significantly decreased neuroblastoma cell viability and induced apoptosis and necrosis.
  • Nec-1 treatment upregulated cell viability and reduced both apoptotic and necrotic rates.
  • Nec-1 inhibited Caspase-8 activity and decreased Caspase-3 activity, while upregulating NF-kappa B expression, suggesting a specific anti-apoptotic pathway.

Impact:

  • Nec-1 demonstrates a protective role against aluminum-induced neurotoxicity.
  • The findings highlight the Caspase-8/NF-kappa B pathway as a potential therapeutic target.
  • This research contributes to understanding cellular responses to aluminum toxicity.

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