Electroacupuncture targeting the immune system to alleviate sepsis

Abstract

Sepsis is a life-threatening inflammatory syndrome with high morbidity and mortality rates. However, options for sepsis are still limited to general treatment in intensive care units (ICUs), and effective therapies that improve sepsis survival are required. Immune disturbances play a vital role in the pathology of sepsis and are associated with protracted inflammation, susceptibility to infections, and death. Therefore, many investigators have focused on the potential benefits of immunomodulation therapy for sepsis. Electroacupuncture (EA) has been practiced in clinics for many years and has shown advantages in treating infectious diseases. Over the last few decades, our understanding of the efficacy and mechanisms of EA in sepsis has undergone considerable developments. We searched the literature regarding “CNKI, Wan Fang Data, VIP Database, PubMed, and Ingenta Connect” from 2010 to 2023, using the keywords “sepsis” “septic” and “electroacupuncture” and 336 sources were searched. Finally, we included 82 studies that targeted the immune system to determine EA's anti-inflammatory and immunomodulatory effects on sepsis. In this review, we found that EA has clinical benefits in relieving septic inflammation, improving immune function, and attenuating related multi-organ injury through several mechanisms, such as activation of the cholinergic anti-inflammatory pathway (CAP), vagal-adrenal axis, inhibition of the nuclear factor Kappa-B (NF-κB) signaling pathway, signal transducers and activators of transcription (STAT) signaling pathway, and improvement of immune cell function. Therefore, EA may be a promising complementary therapy for sepsis treatment. We also expect these data will contribute to further studies on EA in sepsis.

Keywords

Cholinergic anti-inflammatory pathway / Electroacupuncture / Nuclear factor Kappa-B / Sepsis / Signal transducers and activators of transcription / Vagal-adrenal axis

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