REDUCED WATER FOR PREVENTION OF DISEASES
Sanetaka Shirahata
Graduate school of Genetic Resources Technology, Kyushu University,
6-10-1 Hakozaki, Higashi-ku,
Fukuoka 812-8581, Japan.
It has long been established that reactive
oxygen species (ROS) cause many types
of damage to biomolecules and cellular
structures, that, in turn result in the development of a variety of pathologic
states such as diabetes, cancer and aging. Reduced water is defined as
anti-oxidative water produced by reduction of water. Electrolyzed reduced water
(ERW) has been demonstrated to be hydrogen-rich water and can scavenge ROS in vitro (Shirahata
et al., 1997). The reduction of proton in water to active hydrogen (atomic hydrogen,
hydrogen radical) that can scavenge ROS is very easily caused by a weak current,
compared to oxidation of hydroxyl ion to oxygen molecule. Activation of water
by magnetic field, collision, minerals etc. will also produce reduced water
containing active hydrogen and/or hydrogen molecule. Several natural waters
such as Hita Tenryosui
water drawn from deep underground in Hita city in Japan, Nordenau
water in Germany and Tlacote water in Mexico
are known to alleviate various diseases. We have developed a sensitive method by
which we can detect active hydrogen existing in reduced water, and have demonstrated
that not only ERW but also natural reduced waters described above contain
active hydrogen and scavenge ROS in cultured cells. ROS is known to cause reduction
of glucose uptake by inhibiting the insulin-signaling pathway in cultured
cells. Reduced water scavenged intracellular ROS and stimulated glucose uptake
in the presence or absence of insulin in both rat L6 skeletal muscle cells and
mouse 3T3/L1 adipocytes. This insulin-like activity
of reduced water was inhibited by wortmannin that is
specific inhibitor of PI-3 kinase, a key molecule in
insulin signaling pathways. Reduced water protected insulin-responsive cells
from sugar toxicity and improved the damaged sugar tolerance of type 2 diabetes
model mice, suggesting that reduced water may improve insulin-independent
diabetes mellitus. Cancer cells are generally exposed to high oxidative stress.
Reduced water cause impaired tumor phenotypes of human
cancer cells, such as reduced growth rate, morphological changes, reduced
colony formation ability in soft agar, passage number-dependent telomere
shortening, reduced binding abilities of telomere binding proteins and
suppressed metastasis. Reduced water suppressed the growth of cancer cells
transplanted into mice, demonstrating their anti-cancer effects in vivo. Reduced water will be
applicable to not only medicine but also food industries, agriculture, and
manufacturing industries.
Shirahata, S. et al.: Electrolyzed reduced water scavenges active oxygen
species and protects DNA from oxidative damage. Biochem. Biophys. Res. Commun., 234, 269-274,
1997.
