“Isothiocyanates are a well-known class of cancer chemopreventative agents, and broccoli sprouts are a rich source of several isothiocyanates. We report herein that dietary administration to rats of a freeze-dried aqueous extract of broccoli sprouts significantly and dose-dependently inhibited bladder cancer development induced by N-butyl-N-(4-hydroxybutyl) nitrosamine. The incidence, multiplicity, size, and progression of bladder cancer were all inhibited by the extract, while the extract itself caused no histologic changes in the bladder. Moreover, inhibition of bladder carcinogenesis by the extract was associated with significant induction of glutathione S-transferase and NAD(P)H:quinone oxidoreductase 1 in the bladder, enzymes that are important protectants against oxidants and carcinogens…… In conclusion, broccoli sprout extract is a highly promising substance for bladder cancer prevention and the isothiocyanates in the extract are selectively delivered to the bladder epithelium through urinary excretion.”
Feb 28, 2009
Inhibition of Urinary Bladder Carcinogenesis by Broccoli Sprouts.
Munday R, Mhawech-Fauceglia P, Munday CM, Paonessa JD, Tang L, Munday JS, Lister C, Wilson P, Fahey JW, Davis W, Zhang Y
“The researchers isolated compounds called glucosinolates from broccoli sprouts. During chopping, chewing and digestion, these phytochemicals morph into nutritional powerhouses called isothiocyanates – compounds that the scientists believed play a role in inhibiting cancer.
Their hunch was right, at least in the laboratory experiments. There, isothiocyanates hindered the growth of bladder cancer cells. And the most profound effect was on the most aggressive form of bladder cancer they studied.”
Research News Ohio State University
28 July 2005
BROCCOLI PACKS POWERFUL PUNCH TO BLADDER CANCER CELLS
Ohio State Research Communications