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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Immunomodulatory effect of an isolated fraction from Tinospora crispa on intracellular expression of INF-γ, IL-6 and IL-8
BMC Complementary and Alternative Medicine, Volume 14, Article 205, Year 2014
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Description
Background: Immunomodulators are substances that modify immune system response to a threat. Immunomodulators modulate and potentiate the immune system, keeping it highly prepared for any threat. The immunomodulatory effect of the traditional medicine Tinospora crispa is investigated in this work.Methods: T. crispa ethanol extract was fractionated by using different solvents. The ethanol extract and effective isolated fraction were used to investigate the potential immunomodulatory effect of different T. crispa doses ranging from 25 μg/mL to 1000 μg/mL on RAW 246.7 cells by detecting intracellular INF-γ, IL-6, and IL-8 expressions. The antioxidant activity of T. crispa was evaluated through FRAP and DPPH. The total phenolic and total flavonoid contents were also quantified.Results: Results show that T. crispa extract has higher antioxidant potential than ascorbic acid. The FRAP value of T. crispa extract is 11011.11 ± 1145.42 μmol Fe+2/g, and its DPPH inhibition percentage is 55.79 ± 7.9, with 22 μg/mL IC50. The results also reveal that the total phenolic content of T. crispa extract is 213.16- ± 1.31 mg GAE/g dry stem weight, and the total flavonoid content is 62.07- ± 39.76 mg QE/g dry stem weight. T. crispa crude extract and its isolated fraction significantly stimulate RAW264.7 cell viability (P ≤ 0.05) and intracellular INF-γ, IL-6, and IL-8 expressions. The results of LC-MS show that four of the active compounds detected in the T. crispa isolated fraction are cordioside, quercetin, eicosenoic acid (paullinic acid), and boldine.Conclusions: The results of this study obviously indicate that T. crispa has immunomodulatory effects through the stimulation of INF-γ, IL-6, and IL-8 expressions. LC-MS phytochemical analysis showed that the T. crispa fraction has cordioside, quercetin, eicosenoic acid (paullinic acid), and boldine, which may be responsible for the immunostimulator effect of T. crispa. © 2014 Abood et al.; licensee BioMed Central Ltd.
Authors & Co-Authors
Abood, Walaa Najm
Malaysia, Kuala Lumpur
Universiti Malaya
Iraq, Baqubah
University of Diyala
Fahmi, Iman
Malaysia, Kuala Lumpur
Universiti Malaya
Abdulla, Mahmood Ameen
Malaysia, Kuala Lumpur
Universiti Malaya
Ismail, Salmah Binti
Malaysia, Kuala Lumpur
Universiti Malaya
Statistics
Citations: 57
Authors: 4
Affiliations: 2
Identifiers
Doi:
10.1186/1472-6882-14-205
e-ISSN:
14726882
Research Areas
Health System And Policy