Pre-eclampsia (PE) continues to be a leading cause of maternal and foetal mortality worldwide. This complex disorder involves severe immune imbalance and systemic inflammation. However, recent research highlights the potential of Berberine for pre-eclampsia as a novel therapeutic intervention. Berberine is a bioactive compound derived from Coptidis Rhizoma. It demonstrates significant ability to regulate physiological parameters and immune responses in experimental models.

Specifically, the study utilized a lipopolysaccharide (LPS)-induced mouse model to simulate pre-eclampsia symptoms. The researchers found that berberine significantly reduced systolic and diastolic blood pressure. Additionally, the treatment lowered urinary protein levels and mitigated placental structural damage. Consequently, the researchers observed improved placental and foetal weights. These findings suggest that berberine provides robust protective effects against the core clinical features of this pregnancy-associated condition.

Mechanism of Berberine for Pre-eclampsia Management

The primary mechanism involves the modulation of macrophage polarization and cytokine balance. Furthermore, berberine restores the Th1/Th2 ratio by targeting specific inflammatory markers. For instance, it successfully reduced M1 macrophage markers like iNOS, IL-1β, and TNF-α. Simultaneously, it increased M2 markers such as ARG1 and IL-10. This shift effectively suppresses the excessive inflammatory response characteristic of pre-eclampsia. Moreover, the study indicates that berberine may interact with the HSP90/NF-κB pathway to orchestrate these immune changes.

In addition to immune regulation, berberine positively impacts the gut microbiota. The analysis revealed higher alpha diversity in the gut flora of treated mice. Specifically, the compound increased the abundance of beneficial Muribaculaceae and reduced pathogenic Mucispirillum. These changes suggest that berberine modulates metabolic pathways related to amino acids. Therefore, its multi-target action makes it a promising candidate for future clinical applications in maternal health.

How does berberine influence the immune system in pre-eclampsia?

Berberine promotes the polarization of anti-inflammatory M2 macrophages. It also reduces pro-inflammatory M1 markers and restores the critical balance between Th1 and Th2 cytokines.

What role does the gut microbiota play in berberine\'s therapeutic effect?

Berberine increases gut microbial diversity. It specifically enriches beneficial bacteria such as Muribaculaceae while decreasing harmful genera, thereby potentially improving metabolic and inflammatory states.

Disclaimer: This content is for informational and educational purposes only and does not constitute medical advice or a substitute for professional healthcare. Always consult with a qualified medical professional for diagnosis and treatment. Refer to the latest local and national guidelines for clinical practice.

References

Yin A et al. Berberine alleviates pre-eclampsia by modulating M1/M2 macrophage polarization and T helper (Th1/Th2) cells cytokine balance. Br J Pharmacol. 2026 Feb 11. doi: 10.1111/bph.70328. PMID: 41671580.