2-Hydroxyeupatolide
2-Hydroxyeupatolide has anti-inflammatory activity,it may suppress the inflammatory response through inhibiting the activation of NF-κB signaling pathways, and make a contribution to further understanding the pharmaceutical activity of Eupatorium plants.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
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The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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2-Hydroxyeupatolide attenuates inflammatory responses via the inhibiting of NF-κB signaling pathways.[Reference:
WebLink]
2-Hydroxyeupatolide (2-HE), a sesquiterpene lactone, was found in the genus Eupatorium that has been used for a long time in traditional Chinese medicine for the treatment of several diseases.
METHODS AND RESULTS:
In this study, the anti-inflammatory activity of 2-HE and the underlying mechanism of this action were explored. We demonstrated that 2-HE ameliorated hyperemia, edema, alveolar wall thickening, and inflammatory cell infiltration in the lung tissues, and inhibited the serum inflammatory cytokines, interleukin-1β (IL-1β), interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α) of lipopolysaccharide (LPS) challenged ICR mice effectively. Besides, 2-HE inhibited the mRNA expression levels of IL-6 in lung, spleen, and hypothalamus in the mice. Moreover, 2-HE was found to suppress the production of nitric oxide (NO) and the mRNA and protein levels of TNF-α, IL-1β, and IL-6 in LPS-treated RAW 264.7 macrophage cells in a concentration-dependent manner. The mechanistic study showed that 2-HE inhibited the nuclear factor-kappa B (NF-κB) transactivity and nucleic translocation of NF-κB p65 and p-NF-κB p65 in RAW 264.7 cells.
CONCLUSIONS:
Taken together, our study suggested that 2-HE may suppress the inflammatory response through inhibiting the activation of NF-κB signaling pathways, and make a contribution to further understanding the pharmaceutical activity of Eupatorium plants.
