Journal
INTERNATIONAL JOURNAL OF NANOMEDICINE
Volume 15, Issue -, Pages 4139-4149Publisher
DOVE MEDICAL PRESS LTD
DOI: 10.2147/IJN.S248467
Keywords
carbon dots; Lonicerae japonicae Flos; anti-inflammatory; lipopolysaccharide
Funding
- National Natural Science Foundation [81573573]
- Classical Prescription Basic Research Team of the Beijing University of Chinese Medicine
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Introduction: A correlation is established between the efficacy of Chinese herbal medicine and its charcoal drugs. Lonicerae japonicae Flos (LJF) is commonly used to treat fever, carbuncle, and tumors, among others. LJF Carbonisatas (LJFC) is preferred for detoxifying and relieving dysentery and its related symptoms. However, the mechanisms underlying the effects of LJFC remain unknown. Aim: The aim of this study was to explore the effects of LJFC-derived carbon dots (LJFC-CDs) on lipopolysaccharide (LPS)-induced fever and hypothermia rat models. Methods: LJFC-CDs were characterized using transmission electron microscopy, high-resolution transmission electron microscopy, Fourier-transform infrared, ultraviolet, fluorescence, X-ray photoelectron spectroscopy, X-ray diffraction and high-performance liquid chromatography. The anti-inflammatory effects of LJFC-CDs were evaluated and confirmed using rat models of LPS-induced fever or hypothermia. Results: The LJFC-CDs ranged from 1.0 to 10.0 nm in diameter, with a yield of 0.5%. LJFC-CDs alleviated LPS-induced inflammation, as demonstrated by the expression of tumor necrosis factor-alpha, interleukin (IL)-1 beta, and IL-6 and the recovery of normal body temperature. Conclusion: LJFC-CDs may have an anti-inflammatory effect and a potential to alleviate fever and hypothermia caused by inflammation.
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