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G1-4A, an arabinogalactan polysaccharide derived from Tinospora cordifolia (Thunb.) Miers: a natural immunomodulator
Traditional Medicine Research ; 7(5):9, 2022.
Article in English | Web of Science | ID: covidwho-1897403
ABSTRACT
The whole world has been challenged by the COVID-19, where people with poor immune status became the target. It is high time for us to strengthen our immunity through some safe, efficient and cost-effective immune boosters. Tinospora cordifolia (Thunb.) Miers is a well-known medicinal plant as the whole plant (leaves, stems and roots) is used extensively for different ailments, since it is rich in many bioactive secondary metabolites. The immunomodulatory efficacy of Tinospora cordifolia was reported by several workers and this plant is considered to be a "Rasayana" herb in Ayurveda because of its potential cell renewal, health re-establishment and physical equilibrium maintenance capabilities. 1,4-Linked arabinogalactan polysaccharide (G1-4A), an acidic polysaccharide and arabinogalactan polymer is reported to strengthen host innate immunity by multifactorial pathways. It induces immune cells (neutrophil, macrophage, T lymphocyte) proliferation and increases cytokine/chemokine production and reactive oxygen species generation thereby contributing to boost our immunity. G1-4A activates macrophages by a classical pathway in toll-like receptor 4 - myeloid differentiation primary response 88 dependent manner, natural killer cells and cytotoxic T cells to destroy pathogens, virus-infected cells, or tumor cells. Binding of G1-4A to the toll-like receptor or mannose receptor activates a cascade of events along with nuclear translocation of nuclear factor-kappa B leading to the synthesis of different cytokine/chemokine and reactive oxygen species generation. Natural immunomodulators like G1-4A are safer and cheaper, when extracted from botanical sources. Therefore, such phytocompounds can be taken as a daily supplement to enhance immunity, which might be beneficial to fight and survive in this ongoing pandemic health crisis.
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Full text: Available Collection: Databases of international organizations Database: Web of Science Language: English Journal: Traditional Medicine Research Year: 2022 Document Type: Article

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Full text: Available Collection: Databases of international organizations Database: Web of Science Language: English Journal: Traditional Medicine Research Year: 2022 Document Type: Article