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6-Hydroxygenistein Ameliorates High Altitude Brain Injury via Activating PI3K/AKT Signaling Pathway Based on

Yu Xin^1,2, Gege Wang², Chenyu Yang²

¹Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, People's Republic of China.

Drug Design, Development and Therapy

|September 29, 2025

Summary

This summary is machine-generated.

6-hydroxygenistein (6-OHG) protects against hypobaric hypoxia induced brain injury (HHBI) by activating the PI3K/AKT pathway. This finding suggests 6-OHG as a potential therapeutic for HHBI.

Keywords:

6-hydroxygenistein PI3K/AKT signaling pathway hypobaric hypoxia induced brain damage therapeutic target transcriptomics

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Area of Science:

Neuroscience
Pharmacology
Molecular Biology

Background:

Hypobaric hypoxia induced brain injury (HHBI) is a significant clinical concern.
Prior research indicates 6-hydroxygenistein (6-OHG) possesses protective properties against HHBI.
The precise mechanism underlying 6-OHG's neuroprotection requires further elucidation.

Purpose of the Study:

To investigate the protective mechanism of 6-hydroxygenistein (6-OHG) against hypobaric hypoxia induced brain injury (HHBI).
To utilize transcriptomics analysis and experimental validation to uncover the molecular pathways involved in 6-OHG's therapeutic effects.

Main Methods:

RNA-sequencing (RNA-Seq) was employed to identify differentially expressed genes (DEGs) in brain tissue.
Functional enrichment analyses (Gene Ontology, KEGG) were performed to identify key signaling pathways.
Western blot analysis and pharmacological inhibition (LY294002) were used to validate the PI3K/AKT pathway's role.

Main Results:

Transcriptomics revealed significant gene expression changes in response to hypobaric hypoxia and 6-OHG treatment.
Functional analyses identified the PI3K/AKT signaling pathway as a critical mediator.
6-OHG treatment upregulated p-PI3K/PI3K and p-AKT/AKT ratios, indicating PI3K/AKT pathway activation.
Inhibition of PI3K abolished 6-OHG's protective effects against HHBI.

Conclusions:

6-hydroxygenistein (6-OHG) mitigates hypobaric hypoxia induced brain injury (HHBI) through the activation of the PI3K/AKT signaling pathway.
The findings support the potential therapeutic application of 6-OHG for treating HHBI.