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image of Integrated Network Pharmacology and Transcriptomics Analysis to Elucidate the Mechanism of Huoxue Tongluo Qiwei Decoction in the Treatment of Erectile Dysfunction in Spontaneously Hypertensive Rats through Angii-Activated Pkcε Pathway

Abstract

Background and Aim

As a classical formula to invigorate blood circulation, Huoxue Tongluo Qiwei Decoction (HTQD) can effectively treat hypertensive erectile dysfunction (ED), but its exact mechanism of action is not yet clear. The goal of this research was to explore the potential mechanism of HTQD in improving hypertensive erectile dysfunction in rats through transcriptomics, network pharmacology, and associated animal experimentations.

Methods

The HTQD chemical constituents were screened using high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). Furthermore, transcriptomics analysis was performed mRNA sequencing to identify significantly differentially expressed proteins. Moreover, the key target proteins of HTQD in the treatment of hypertensive ED were screened by network pharmacology and transcriptomics. In addition, the endothelial cells of the corpus cavernosum were assessed using hematoxylin-eosin staining. The transcript and protein expressions were evaluated via western blotting and Real-time reverse transcription-quantitative polymerase chain reaction (RT-qPCR).

Results

The network pharmacology and transcriptome mRNA sequencing revealed that KCNE1 may be the target protein of HTQD in improving hypertensive ED. After HTQD treatment, the systolic and diastolic blood pressure (BP) of hypertensive rats decreased, the number of erections increased, and the pathological structure of the penis was improved. Moreover, HTQD downregulated the protein and mRNA expression of AngII, AT1R, DAG, and PKCε, whereas it up-regulated the transcript and protein expression of KCNE1.

Conclusion

HTQD may activate the PKCε pathway through AngII, inhibit the expression of KCNE1 protein, relax vascular smooth muscles, and improve erectile function.

© 2025 Bentham Science Publishers
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2025-01-07
2025-03-01

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Integrated Network Pharmacology and Transcriptomics Analysis to Elucidate the Mechanism of Huoxue Tongluo Qiwei Decoction in the Treatment of Erectile Dysfunction in Spontaneously Hypertensive Rats through Angii-Activated Pkcε Pathway
Bentham Science Publishers ; https://doi.org/10.2174/0113862073330086241016115236
/content/journals/cchts/10.2174/0113862073330086241016115236
/content/journals/cchts/10.2174/0113862073330086241016115236
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  • Article Type:     Research Article
Keywords: erectile dysfunction ; angiotensin II ; Spontaneously hypertensive rat ; huoxue tongluo qiwei decoction ; PKCε pathway

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