Article Publish Status: FREE
Abstract Title:

Immunomodulatory Activities ofL. Leaf Juice in a Non-Lethal, Symptomatic Dengue Mouse Model.

Abstract Source:

Pathogens. 2021 Apr 21 ;10(5). Epub 2021 Apr 21. PMID: 33919457

Abstract Author(s):

Mohd Ridzuan Mohd Abd Razak, Nor Azrina Norahmad, Nur Hana Md Jelas, Adlin Afzan, Norazlan Mohmad Misnan, Adiratna Mat Ripen, Ravindran Thayan, Murizal Zainol, Ami Fazlin Syed Mohamed

Article Affiliation:

Mohd Ridzuan Mohd Abd Razak


The role ofL. leaf juice in immune dysregulation caused by dengue virus infection remains unclear. This study aimed to investigate the immunomodulatory activities of the freeze-driedleaf juice (FCPLJ) on AG129 mice infected with a clinical DENV-2 (DMOF015) isolate. The infected AG129 mice were orally treated with 500 and 1000 mg/kg/day of FCPLJ, for three days. Platelet, leukocyte, lymphocyte and neutrophil counts were microscopically determined. The level of plasma proinflammatory cytokines was measured by multiplex immunoassay. The levels of intracellular cytokines and viral RNA were determined by RT-qPCR technique. The results showed that the FCPLJ treatment increased the total white blood cell and neutrophil counts in the infected mice. The FCPLJ treatment decreased the level of GM-CSF, GRO-alpha, IL-1 beta, IL-6, MCP-1 and MIP-1 beta in the plasma of the infected mice. The intracellular IL-6 and viral RNA levels in the liver of infected mice were decreased by the FCPLJ treatment. In conclusion, this study supports the potential immunomodulatory role of the FCPLJ in a non-lethal, symptomatic dengue mouse model. Further studies on the action mechanism of theleaf juice and its possible use as adjunctive dengue immunotherapy are warranted.

Study Type : Animal Study
Additional Links
Pharmacological Actions : Immunomodulatory : CK(4048) : AC(1475)

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