Botanicals With Anticancer Properties
Dr. Guillermo Ruiz
Dr. Guillermo Ruiz is a graduate medical student from the Southwest College of Naturopathic Medicine. His aim is to use his research to advance Naturopathic medicine using an evidence-based approach, and focuses on finding evolutionary connections between our modern and traditional health care systems. Guillermo is currently a research assistant at SCNM and associate researcher at Arizona State University Biodesign Institute, where he focuses on botanical medicine research. His hobbies include researching, learning, practicing and teaching the benefits of adhering to an appropriate evolutionary diet.
DR. GUILLERMO RUIZ - Southwest College of Naturopathic Medicine
We have thousands of plants right outside our backyard that could be the answer to bacterial and viral resistance. By coupling traditional knowledge with hard science, we can identify their mechanisms and predict new therapeutic applications.
Summary
- Plants develop defensive mechanisms like alkaloids and insecticides for survival, which can be strategically repurposed to create effective therapeutic treatments for humans.
- Sarcinia purpureae demonstrates potent antiviral activity against DNA viruses by utilizing endogenous substances evolved to protect the plant from environmental pathogens.
- Botanical extracts can inhibit the CDK7 pathway, a mechanism that prevents viral replication and suppresses the growth of transformed cells in certain types of cancer.
- Understanding the specific mechanisms of plant-derived compounds allows for the predictive application of these treatments toward other conditions like HIV and various tumors.
- Misusing botanical medicines can lead to bacterial and viral resistance, highlighting the necessity of professional guidance and precise extraction methods for safety.
Article
Evolutionary Medicine And The Anticancer Potential Of Carnivorous Plant Extracts
A Provocative Case For Learning From The Plant Kingdom
At Biohacker Summit 2018 Toronto, held in Toronto, Canada, on 15 and 16 October 2018, Dr. Guillermo Ruiz offered a talk that was as much a challenge to conventional wellness thinking as it was a scientific presentation. In his session, *Botanicals With Anticancer Properties*, delivered on Monday, 15 October, Ruiz argued that plants should not be romanticised as benign gifts of nature. They should be understood, first, as survivors.
That distinction mattered. Much of the presentation turned on a simple but unsettling premise: the compounds humans prize in botanical medicine often began as weapons. Alkaloids, proteases and other defensive molecules evolved not to heal us, but to repel predators, disable insects and withstand microbial attack. The task of modern medicine, Ruiz suggested, was to identify those mechanisms with precision and repurpose them intelligently.
“We can use an evolutionary approach and evolutionary medicine to actually create really cool therapeutic effects,” he said.
Nature As Combat, Not Comfort
Ruiz, a graduate medical student from the Southwest College of Naturopathic Medicine, described his work as an effort to advance naturopathic medicine through an evidence-based lens and to find evolutionary links between traditional and modern healthcare systems. That outlook shaped the entire talk.
He rejected the easy assumption that natural means harmless. To make the point, he invoked the case of bitter yuca, a cyanide-rich plant that can prove lethal when mistaken for its edible counterpart. In Venezuela’s economic collapse, he noted, desperate families had turned to foraging and sometimes paid for botanical misidentification with their lives.
The lesson was blunt. Plants are not passive. They are active chemists under pressure, continuously evolving ways to deter being eaten, infected or outcompeted. “We are at war with plants, and plants are trying to attack us,” Ruiz said. “We can actually make medicine out of these attack mechanisms.”
From Nicotine To Caffeine, The Logic Of Plant Defense
To explain how that war yields useful medicine, Ruiz moved through familiar examples. Tobacco, he said, produces alkaloids such as nicotine as insecticides. Coffee and cacao also evolved stimulant compounds through different biochemical routes, but with similar defensive ends. These substances affect human neurochemistry dramatically because they were designed, in evolutionary terms, to affect animal biology.
In some instances, Ruiz said, the success of those defenses forced plants to adapt again. The tobacco plant, he noted, became so chemically unwelcoming that it ultimately developed self-pollination strategies when pollinators were driven away. Evolution, in this telling, is not a tidy march upward but a sequence of tactical responses.
For Ruiz, these examples served a larger purpose: if medicine can identify why a plant evolved a compound, it may be able to predict what that compound can do in human disease.
The Carnivorous Plant At The Center Of The Research
The most arresting part of the presentation focused on *Sarracenia purpurea*, the purple pitcher plant, a carnivorous species native to the northeast of North America. Because it grows in nutrient-poor wetlands, the plant evolved an extraordinary strategy. It traps and digests organisms to obtain nitrogen and protein otherwise absent from its environment.
That adaptation, Ruiz argued, may also explain its medicinal promise.
He traced his interest in the species to traditional botanical knowledge and to historical accounts, including reports on the Mi’kmaq people’s use of the plant during pox outbreaks. According to Ruiz, this ethnobotanical record pointed toward a real antiviral effect worth testing in the lab.
The results, he said, were compelling. In vitro studies using extracts of *Sarracenia purpurea* suggested that infected cells could survive viral assault when treated with the plant extract. Ruiz and his collaborators went on to investigate what distinguished carnivorous plants from closely related non-carnivorous species. Their conclusion was that antiviral activity appeared linked to evolutionary traits unique to carnivory, particularly the development of digestive proteases and mechanisms for handling biological threats consumed with prey.
Why The Extract Appeared To Work Against DNA Viruses
Ruiz said the research indicated that *Sarracenia purpurea* was not a broad-spectrum antiviral cure-all. It did not appear effective against RNA viruses such as rabies or coronavirus. Its activity, instead, seemed more specific to DNA viruses.
That category included pox viruses, herpes viruses and papillomavirus, the latter especially significant because of its relationship to precancerous and cancerous cellular transformation. Ruiz described this specificity not as a limitation but as evidence of a decipherable mechanism.
“We found the nexus between evolutionary theory and traditional medicine,” he said. “Imagine if we could use all this traditional knowledge to predict how different plants would act against different types of viruses and bacteria.”
He then pushed the idea further, suggesting that once the mechanism was understood, researchers could infer new applications. “Imagine a world where if we can identify the actual mechanism of action of a plant, we can go back and reverse engineer and apply it toward different types of conditions.”
The CDK7 Pathway And The Promise Of Selective Cell Death
The mechanistic heart of the talk lay in Ruiz’s discussion of the CDK7 pathway. According to his account, certain DNA viruses replicate by exploiting CDK7-dependent processes that ultimately suppress p53, one of the body’s crucial tumor-suppressor proteins. If that pathway is blocked, p53 can resume its role in driving damaged or transformed cells toward apoptosis.
Ruiz argued that extracts from *Sarracenia purpurea* and related carnivorous plants appeared to inhibit this pathway with striking specificity. In transformed cells, including HPV-related immortal cell lines, the result was not generalized destruction but targeted elimination of malignant growth.
He described petri-dish experiments in which untreated cancerous cells spread aggressively, while cells exposed to the extract saw their growth halted. This selective pressure, he suggested, opened a possible route for addressing conditions tied to viral transformation and CDK7 dysregulation, including neuroblastoma, prostate cancer and Epstein-Barr-related lymphomas.
The language was at times daring, even surgical in its confidence. But Ruiz repeatedly returned to mechanism as the test of seriousness. Without understanding how a plant works, any therapeutic enthusiasm remains conjecture.
Traditional Knowledge Meets Laboratory Science
One of the most striking aspects of the presentation was its refusal to choose between indigenous knowledge and biomedical inquiry. Ruiz treated traditional use not as folklore to be indulged, but as hypothesis-generating evidence. If a population had long used a plant successfully in a specific context, that history deserved investigation, not dismissal.
In this framework, the purple pitcher plant became a bridge between worlds: a remedy remembered in community practice and a research subject examined through virology, cell biology and evolutionary reasoning.
Ruiz also cited early case-based applications involving conditions such as genital warts, HSV-2 and actinic keratosis, saying these had shown complete eradication of growths in small, observational settings. Such claims, while promising, sat within the talk as signals for future clinical inquiry rather than final verdicts.
The Warning Against Botanical Naivety
If the lecture had a moral center, it was caution. Ruiz warned repeatedly that botanical medicine can be misused in much the same way pharmaceuticals can. Herbs and essential oils, he said, should not be treated as consequence-free alternatives simply because they are marketed as natural.
“We need to be very judicious, we need to understand mechanisms of action, and we need to learn how to properly extract this plant material in order to make it the most effective,” he said.
He tied that warning to a larger global concern: antimicrobial resistance. Misapplied herbal antimicrobials, he argued, can contribute to the same crisis of resistance that haunts antibiotic overuse. In a later exchange during the session, he went further, cautioning that some botanical compounds may generate cross-resistance patterns relevant even to important pharmaceutical drugs such as vancomycin.
His advice on antibiotics was unequivocal. Patients prescribed a full course should complete it. Anything less, he argued, risks leaving behind the most resilient microbes. The same discipline, he implied, must govern the use of botanicals.
A Vision Of Evolutionary Medicine, Tempered By Responsibility
Ruiz’s presentation at Biohacker Summit 2018 Toronto was memorable not because it offered miracle cures, but because it tried to impose intellectual order on a field too often clouded by sentiment. Plants were not framed as mystical healers. They were framed as products of evolutionary pressure, carriers of biochemical solutions forged in competition.
That framing gave his argument both its force and its restraint. Carnivorous plant extracts, especially from *Sarracenia purpurea*, may hold genuine antiviral and anticancer promise. The evidence Ruiz discussed suggested intriguing action against DNA viruses and transformed malignant cells through inhibition of the CDK7 pathway and restoration of p53-mediated apoptosis.
Yet his strongest message was not about wonder but discipline. The future of botanical medicine, as he presented it, depended on reverse engineering plant mechanisms, respecting dosage and extraction, and resisting the cultural temptation to confuse natural with safe.
In the end, Ruiz’s talk offered a vision of evolutionary medicine that was as ambitious as it was sober: a medicine that learns from nature’s defenses without becoming captive to nature’s myths.
Part of Biohacker Summit 2018 Toronto