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Parthenolide is a naturally occurring sesquiterpene lactone derived from the medicinal plant feverfew (Tanacetum parthenium).
-Micheliolide (MCL) is converted readily from parthenolide (PTL), and has better stability and solubility than PTL
-Parthenolide is a natural compound used to treat migraines and arthritis and found to act as a potent NF-κB signaling inhibitor.
Main activities include:
-Inhibition of NF-κB Signaling:
-Induction of Oxidative Stress (ROS): oxidative stress can overwhelm the antioxidant defenses of the cancer cells, leading to cellular damage and death
-Parthenolide can interfere with STAT3 signaling, inhibiting the transcription of genes that favor tumor growth and resistance to apoptosis.
-Modulation of the MAPK/ERK Pathway:
-Impact on the JNK Pathway:
-Parthenolide has been shown to target cancer stem cells