Thursday, 30 January 2014

Herbal Cascara Sagrada (Rhamnus purshiana) and Prostate cancer

Cascara sagrada is a species of buckthorn, genus Rhamnus, belonging to the family Rhamnaceae, native to western North America, it's bark has been used in traditional medicine for gastrointestinal support. and it is thought to have a laxative and natural cleansing, etc..
Prostate cancer is defined as a condition in which the cells of prostate has become cancerous, causing abnormal cell growth which spread to the distant parts of the body. Most prostate cancers are slow growing and enlarged prostate and prostate cancer may be detected during the Physical (rectum) exams


The Ingredients

The chemical constituents of Cascara Sagrada include Aloe-emodin, Anthrquinone glycosides (Barbaloin Cascarosides A, B, C and D ChrysaloinFrangul), Chrysophanol, Emodin, Heterodianthrones palmidin A, B, and C, dianthrones, Oxanthrone, Rhein, Tannins, etc.


The benefits
Aloe-emodin, a chemical constituent in Cascara Sagrada is found to inhibit both proliferation and anchorage-independent growth of PC3 cells by targeting mTORC2. Other major compound of emodin, Cascara Sagrada in the study of its effective on prostate and lung cancers, showed to inhibit proliferation, induce apoptosis, suppress angiogenesis, impede metastasis, and enhance chemotherapy as a novel blocker of CXCR4 expression.
References
(1) Aloe-emodin suppresses prostate cancer by targeting the mTOR complex 2 by Liu K, Park C, Li S, Lee KW, Liu H, He L, Soung NK, Ahn JS, Bode AM, Dong Z, Kim BY, Dong Z.(PubMed)
(2) Emodin inhibits invasion and migration of prostate and lung cancer cells by downregulating the expression of chemokine receptor CXCR4 by Ok S, Kim SM, Kim C, Nam D, Shim BS, Kim SH, Ahn KS, Choi SH, Ahn KS.(PubMed)

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