Pharmacodynamic characteristics of curcumin

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Abstract
Curcumin, an active ingredient derived from turmeric root (Curcuma longa), has significant pharmacological properties including anti-inflammatory, antioxidant, antimicrobial, anticancer and analgesic activities. Studies show that curcumin affects the expression of various microRNAs and long non-coding RNAs to regulate cell proliferation and apoptosis in various types of malignant tumours. In addition, curcumin modulates signalling pathways such as PI3K/Akt/mTOR, MAPK/ERK and AMPK, activating autophagy and inhibiting tumour angiogenesis. It also inhibits metastasis and invasion of tumour cells by affecting epithelial-mesenchymal transition and expression of matrix metalloproteinases. Curcumin exhibits antibacterial and antiviral activity by disrupting bacterial cell membranes and inhibiting viral replication. The antioxidant properties of curcumin are due to its ability to neutralise reactive oxygen species and stimulate antioxidant enzymes. Curcumin also promotes wound healing by modulating inflammatory processes and stimulating angiogenesis. The analgesic effect of curcumin is due to its ability to stimulate the release of endogenous opioid peptides and modulate the activity of GABA receptors and ASIC and TRPV ion channels. Curcumin has an effect on lipid and carbohydrate metabolism, which makes it a promising agent for the treatment of dyslipidaemia and insulin resistance. The effect of curcumin on haemostasis is manifested in its ability to inhibit platelet aggregation and blood clotting, which may be useful for the prevention of cardiovascular diseases.

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