Shaoyao Gancao Decoction Ameliorates Paclitaxel-Induced Peripheral Neuropathy via Suppressing TRPV1 and TLR4 Signaling Expression in Rats
Shaoyao Gancao Decoction Ameliorates Paclitaxel-Induced Peripheral Neuropathy via Suppressing TRPV1 and TLR4 Signaling Expression in Rats
Paclitaxel-induced peripheral neuropathy (PIPN) is increasingly becoming one of the most widespread adverse effects in the treatment of cancer patients, and further precipitate neuroinflammation in the nervous system. Interestingly, Shaoyao Gancao Decoction (SGD), a traditional Chinese analgesic prescription, has emerged as a primary adjuvant to chemotherapy in relieving side effects, especially in the case of PIPN. However, the underlying mechanism of SGD functioning in PIPN remains elusive. Accordingly, the current study set out to explore the potential axis implicated in the functioning of SGD in PIPN.First, network pharmacology was adopted to predict the role of the transient receptor potential vanilloid type 1 (TRPV1) protein in treating PIPN with SGD. Subsequently, the effects of SGD treatment on mechanical allodynia and thermal hyperalgesia were evaluated in rat PIPN models. Based on the bioinformatics information and current literature, paclitaxel activates toll-like receptor 4 (TLR4) induces the sensitization of TRPV1 mechanistically. Thereafter, TLR4-myeloid-differentiation response gene 88 (MyD88) signaling and TRPV1 expression patterns in dorsal root ganglias (DRGs) were measured by means of Western blotting, qPCR and immunofluorescence.Initial bioinformatics reared a total of 105 bioactive compounds and 1075 target genes from SGD. In addition, 40 target genes intersected with PIPN were considered as potential therapeutic genes. Based on the network analysis, SGD was found to exert its analgesic effect by reducing the expression of TRPV1. Further experimentation validated that SGD exerted an analgesic effect on thermal hyperalgesia in PIPN models, such that this protective effect was associated with the suppression of TRPV1 and TLR4-MyD88 Signaling over-expression.Collectively, our findings indicated that SGD ameliorates PIPN by inhibiting the over-expression of TLR4-MyD88 Signaling and TRPV1, and further highlights the use of SGD as a potential alternative treatment for PIPN.
- Third Xiangya Hospital China (People's Republic of)
- Central South University China (People's Republic of)
Drug Design, Development and Therapy, Drug-Related Side Effects and Adverse Reactions, Paclitaxel, toll-like receptor 4, transient receptor potential vanilloid type 1, Peripheral Nervous System Diseases, TRPV Cation Channels, RM1-950, shaoyao gancao decoction, Rats, Toll-Like Receptor 4, paclitaxel, Hyperalgesia, paclitaxel-induced peripheral neuropathy, Myeloid Differentiation Factor 88, network pharmacology, Animals, Therapeutics. Pharmacology, Original Research, Drugs, Chinese Herbal
Drug Design, Development and Therapy, Drug-Related Side Effects and Adverse Reactions, Paclitaxel, toll-like receptor 4, transient receptor potential vanilloid type 1, Peripheral Nervous System Diseases, TRPV Cation Channels, RM1-950, shaoyao gancao decoction, Rats, Toll-Like Receptor 4, paclitaxel, Hyperalgesia, paclitaxel-induced peripheral neuropathy, Myeloid Differentiation Factor 88, network pharmacology, Animals, Therapeutics. Pharmacology, Original Research, Drugs, Chinese Herbal
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