Cancer

Sulforaphane and prostate cancer interception.

Drug discovery todaySeptember 19, 2014

View on PubMed DOI: 10.1016/j.drudis.2014.07.007

AI Summary

This research review explores sulforaphane's potential role in preventing prostate cancer progression. The study highlights that diets rich in broccoli have been associated with reduced risk of prostate cancer progression, with sulforaphane identified as the key protective compound. While extensive cell and animal studies have proposed multiple mechanisms for sulforaphane's protective effects, recent human intervention studies suggest the compound works through complex interactions between cellular redox status and metabolism. The researchers indicate that sulforaphane may create a tissue environment that is unfavorable for prostate cancer progression. However, this appears to be a review article rather than an original study, and it focuses on distinguishing between interventions for already diagnosed cancers versus prevention strategies. The findings suggest sulforaphane from broccoli may offer protective benefits, but the mechanisms in humans are still being understood through ongoing intervention studies.

Key Findings

Diets rich in broccoli have been associated with reduced risk of prostate cancer progression
Sulforaphane has been identified as the compound responsible for broccoli's protective effects
Recent human intervention studies suggest sulforaphane works through complex interactions between redox status and metabolism
Sulforaphane may create a tissue environment that does not favor prostate cancer progression

Abstract

Whereas much attention is focused on distinguishing newly diagnosed prostate cancers that will progress to become aggressive forms of the disease from those that will remain indolent, it is also appropriate to explore therapeutic and lifestyle interventions to reduce the risk of progression. Diets rich in broccoli have been associated with a reduction in risk of progression, which has been attributed to the compound sulforaphane. Although the mode of action of sulforaphane has been extensively studied in cell and animal models and a multiple of mechanisms that could underpin its protective effects have been proposed, recent evidence from human intervention studies suggests that sulforaphane is involved in a complex interplay between redox status and metabolism to result in a tissue environment that does not favour prostate cancer progression.

Authors

Maria H Traka, Antonietta Melchini, Richard F Mithen

Related Protocol

Sulforaphane from Broccoli Sprouts

Study Details

Health Domain: Cancer
Journal: Drug discovery today
Published: September 19, 2014
Authors: 3
Key Findings: 4

Cancer
Broccoli or Sulforaphane: Is It the Source or Dose That Matters?
Molecules (Basel, Switzerland)Oct 2019
AI Summary
This comprehensive review examines the current state of research on sulforaphane, a compound formed from glucoraphanin found in broccoli and broccoli sprouts. The researchers note that sulforaphane was first isolated from broccoli in the early 1990s and has since been the subject of over 3,000 publications demonstrating its protective properties in animal disease models. The review highlights that sulforaphane is formed through the action of myrosinase enzyme, which can be found either in plant tissue or in the human microbiome. The authors emphasize significant challenges in translating promising animal research to human applications, particularly regarding optimal dosing and administration methods. While over 50 clinical trials have examined sulforaphane's effects in humans, the review suggests more research is needed to understand underlying mechanisms and develop reliable biomarkers for measuring its activity in people. The authors conclude that substantial changes in research approach will be necessary to realize sulforaphane's potential public health benefits across diverse populations.
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Sulforaphane from Broccoli Sprouts PubMed DOI
Cancer
New highlights on the health-improving effects of sulforaphane.
Food & functionMay 2018
AI Summary
This review examines recent evidence on sulforaphane (SFN), the most studied isothiocyanate compound, and its health benefits across various diseases, particularly diabetes and cancer. The researchers highlight SFN's role in combating oxidative stress, inflammation, and metabolic dysfunction through nuclear factor E2-related factor 2 (Nrf2) pathway-mediated mechanisms. The study suggests SFN's anti-inflammatory effects work by downregulating nuclear factor kappa-B (NF-κB), which may improve related processes like hypertrophy and fibrosis. Notably, the review indicates SFN shows contrasting effects in healthy versus cancerous cells - providing protective actions in normal cells while blocking tumor-related factors, reducing cancer development, and inducing cancer cell death in malignant cells. The authors propose that SFN promotes cancer cell death through multiple mechanisms, with reactive oxygen species production being particularly significant. Given these diverse beneficial properties, the researchers position SFN as a leading phytochemical in natural medicine approaches to health optimization.
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Sulforaphane from Broccoli Sprouts PubMed DOI
Cancer
Isothiocyanate from Broccoli, Sulforaphane, and Its Properties.
Journal of medicinal foodFeb 2019
AI Summary
This review examines sulforaphane, an isothiocyanate compound found in cruciferous vegetables, with the highest concentrations occurring in broccoli sprouts. The study explains that sulforaphane exists in stored form as glucoraphanin and requires the plant enzyme myrosinase for conversion to its active form. Once consumed, sulforaphane undergoes metabolism through the mercapturic acid pathway, involving conjugation with glutathione and further biotransformation into various metabolites. The researchers highlight that sulforaphane has garnered significant medical interest due to its potential health benefits. The review suggests that sulforaphane may offer protection against various types of cancer and could potentially decrease cardiovascular disease risk. Additionally, the compound shows promise in addressing autism and osteoporosis. The authors note that their findings are based on various research approaches including in vitro studies, in vivo animal models, and clinical studies in humans, providing a comprehensive overview of sulforaphane's therapeutic potential.
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Sulforaphane from Broccoli Sprouts PubMed DOI

Disclaimer: This research summary is for informational purposes only. Always consult the original study and qualified healthcare professionals before making any health decisions based on research findings.

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