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"In contrast [to 6-shagoal], taxol, even though was highly active in monolayer cells, did not show activity against the spheroids even at 10000 fold higher concentration compared to 6-shogoal."
This is a highly significant finding, as it affirms a common theme in cancer research that acknowledges the primarily role of cancer stem cells: namely, while conventional techniques like surgery, radiation, and chemotherapy are effective at reducing a tumor's size, sometimes to the point where it is "debulked," burned," or "poisoned" out of the body even below the threshold of re-detection, the appearance of "winning the battle" often comes at a steep price, as ultimately the cancer stem cell population regrows the tumors, now with increased vengeance and metastastic invasiveness, resulting in the cancer "winning the war."
The monolayer model, which does not account for the complex immunity of actual cancer stem-cell based tumors against chemoagents like taxol, represents the old preclinical model of testing cancer treatments. The spheroid model, on the other hand, clearly shows that even 10,000 times higher concentrations of taxol are not capable of beating this ginger component at selectively targeting the root cause of the tumor malignancy.
In their concluding remarks, the authors point out a hugely important distinction between natural anti-cancer agents and conventional ones that have only been introduced in the past half century or so, namely, "Dietary compounds are welcome options for human diseases due to their time-tested acceptability by human bodies."
Unlike modern synthetically produced and patented chemicals, ginger, curcumin, green tea, and hundreds of other compounds naturally found in the human diet, have been "time-tested" as acceptable to the human body in the largest and longest running "clinical trials" known: the tens of thousands of years of direct human experience, spanning thousands of different cultures from around the world, that constitute human prehistory. These experientially-based "trials" are validated not by RCTs, or a peer-reviewed publication process, but by the fact that we all made it through this incalculably vast span of time to be alive here today. Consider also that if our ancestors made the wrong dietary choice by simply mistaking an edible berry for a poisonous one, the consequences could be deadly. This places even greater emphasis on how the "time testing" of dietary compounds was not an academic but a life-death affair, and by implication, how the information contained within various cultural traditions as "recipes" passed down from generation to generation are "epigenetic inheritance systems" no less important to our health and optimal gene expression as the DNA in our own bodies.
Ultimately, this new study adds to a growing body of research indicating that cancer stem cell targeting approaches using natural substances present in the human diet for thousands of years are far superior chemotherapy and radiation, both of which actually increase the relative populations of cancer stem cells versus non-tumorigenic ones. For further reading on ginger's anti-cancer properties, consult our Ginger Research database. Also, you can use our Cancer Research Health Guide for thousands of studies and articles about natural healing approaches for cancer.