Sinococuline, a bioactive compound of Cocculus hirsutus has potent anti-dengue activity

Author:

Shukla Rahul,Ahuja Richa,Beesetti Hemalatha,Garg Amit,Aggarwal Charu,Chaturvedi Shivam,Nayyar Kaushal,Arora Upasana,Lal Altaf A.,Khanna Navin

Abstract

AbstractDengue virus (DENV) infection has increased worldwide, with over 400 million infections annually, and has become a serious public health concern. Several drug candidates, new and repurposed, have failed to meet the primary efficacy endpoints. We have recently shown that Aqueous Extract of the stem of Cocculus hirsutus (AQCH) was effective in vitro and in vivo against DENV and was safe in humans. We now report that an active ingredient of AQCH, Sinococuline, protects against the antibody-mediated secondary-DENV infection in the AG129 mouse model. DENV infection markers were assessed, viz. serum viremia and vital organs pathologies-viral load, proinflammatory cytokines and intestinal vascular leakage. The treatment with Sinococuline at 2.0 mg/kg/day; BID (twice a day), was the most effective in protecting the severely DENV-infected AG129 mice. Also, this dose effectively reduced serum viremia and tissue-viral load and inhibited the elevated expression levels of proinflammatory cytokines (TNF-α and IL-6) in several vital organs. Based on these findings, it could be explored further for pre-clinical and clinical developments for the treatment of dengue.

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

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