Caffeic acid phenethyl ester
22/11/2021 2021-11-22 16:39Caffeic acid phenethyl ester
Caffeic acid phenethyl ester
Caffeic acid phenethyl ester improves your quality of life
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Caffeic acid phenethyl ester (CAPE) is a natural phenolic chemical compound. It is the ester of caffeic acid and phenethyl alcohol.CAPE is found in a variety of plants. It is also a component of propolis from honeybee hives.
A variety of in vitro pharmacology and effects in animal models have been reported for CAPE, but their clinical significance is unknown. A study using CAPE showed a positive effect on reducing carcinogenic incidence. It is known to have antimitogenic, anticarcinogenic, anti-inflammatory, and immunomodulatory properties in vitro. Another study also showed that CAPE suppresses acute immune and inflammatory responses and holds promise for therapeutic uses to reduce inflammation. This anti-cancer effect was also seen when mice skin was treated with bee propolis and exposed to TPA, a chemical that induced skin papillomas. CAPE significantly reduced the number of papillomas.
Many of its effects have been shown to be mediated through its inhibition of NF-κB signaling pathways. We took a systematic approach to uncover the effects of CAPE from hours to days on the signaling networks in human prostate cancer cells. We observed that CAPE dosage dependently suppressed the proliferation of LNCaP, DU-145, and PC-3 human prostate cancer cells. Administration of CAPE by gavage significantly inhibited the tumor growth of LNCaP xenografts in nude mice. Using LNCaP cells as a model system, we examined the effect of CAPE on gene expression, protein signaling, and transcriptional regulatory networks using micro-Western arrays and PCR arrays. We built a model of the impact of CAPE on cell signaling which suggested that it acted through inhibition of Akt-related protein signaling networks. Overexpression of Akt1 or c-Myc, a downstream target of Akt signaling, significantly blocked the antiproliferative effects of CAPE. In summary, our results suggest that CAPE administration may be useful as an adjuvant therapy for prostate and potentially other types of cancers that are driven by the p70S6K and Akt signaling networks.
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