Chinese Herbal Formula Feilin Vaginal Gel Prevents the Cervicitis in Mouse Model

Cervicitis is a common sexually transmitted disease. In recent years, the abuse of antibiotic in the treatment of cervicitis results in the emergence of antibiotic-resistant bacteria; alternative strategies are needed to be developed. In this research, we investigated the effects of Feilin Vaginal Gel (FVG), a Chinese herbal formula, on the treatment of cervicitis. Two cervicitis models were optimized using BALB/c mouse; one in vitro model was established in HeLa cells. In Chlamydia trachomatis-induced cervicitis model, the high level of bacterial loads, the inflammation in tissue, and the cytokines in serum could be observed. With the administration of FVG, the bacterial loads in cervical mucus and cervix tissue could be significantly inhibited in dose-dependent manners. The pathological injury of cervix and vagina, as well as the levels of IL-2, IL-17, and MCP-1 in serum, could be mitigated by FVG. FVG reduced the number of inclusion induced by C. trachomatis in HeLa cells. In addition, the histological damage in Escherichia coli and Staphylococcus aureus-induced cervicitis model could be reduced by FVG. These results suggest that FVG is capable of treating cervicitis through the inhibition of pathogens and the regulation of host immune responses. FVG may contribute as an alternative agent for the treatment of cervicitis.

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