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Necrosis01:16

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Necrosis is considered as an “accidental” or unexpected form of cell death that ends in cell lysis. The first noticeable mention of “necrosis” was in 1859 when Rudolf Virchow used this term to describe advanced tissue breakdown in his compilation titled “Cell Pathology”.
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Author Spotlight: Tracing the Ferroptotic Signatures and Cell Death Dynamics in Medulloblastoma for Advanced Therapeutics
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CD74 Affects Ferroptosis in Traumatic Brain Injury by Modulating the Nrf2/HO-1 Signaling Pathway.

GuangWei Sun1, Jie Li1, Meng Wang1

  • 1Department of Neurosurgery, The People's Hospital of Danyang (Danyang Hospital Affiliated to Nantong University), Danyang City, Jiangsu Province, China.

The Journal of Gene Medicine
|May 1, 2026
PubMed
Summary
This summary is machine-generated.

Reducing CD74 expression alleviates ferroptosis in traumatic brain injury (TBI) by activating the Nrf2/HO-1 pathway. This finding offers a potential therapeutic target for TBI treatment.

Keywords:
CD74Nrf2/HO‐1 signaling pathwayferroptosistraumatic brain injury

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Area of Science:

  • Neuroscience
  • Cellular Biology
  • Biochemistry

Background:

  • Traumatic brain injury (TBI) is a significant cause of mortality and disability.
  • Ferroptosis, a form of regulated cell death, plays a crucial role in TBI pathogenesis.
  • The specific molecular mechanisms underlying ferroptosis in TBI require further elucidation.

Purpose of the Study:

  • To investigate the role of CD74 in regulating ferroptosis following TBI.
  • To elucidate the underlying molecular mechanisms by which CD74 influences ferroptosis in TBI.

Main Methods:

  • A controlled cortical impact model was used to induce TBI in rats.
  • Interventions included ferroptosis inducer/inhibitor administration and lentiviral vectors for CD74/Nrf2 modulation.
  • Assessments involved neurobehavioral tests, brain water content, iron levels, neuronal degeneration, and Nrf2/HO-1 pathway analysis.

Main Results:

  • TBI rats exhibited exacerbated ferroptosis markers and neurological deficits.
  • CD74 downregulation mitigated TBI-induced ferroptosis and improved outcomes.
  • CD74 inhibition activated the Nrf2/HO-1 pathway, which was essential for its protective effects.

Conclusions:

  • CD74 downregulation ameliorates ferroptosis in TBI by activating the Nrf2/HO-1 signaling axis.
  • Targeting CD74 presents a potential therapeutic strategy for managing TBI.