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Deuterium depletion can decrease the expression of C-myc Ha-ras and p53 gene in carcinogen-treated mice
1Department of Public Health, University Medical School of Pecs, Hungary. zoli@pubhealth.pote.hu
Abstract:
In spite of the fact that the deuterium concentration is over 10 mmol/l in all living organisms, its possible role has been ignored for six decades. Recent studies have shown that the depletion of the naturally occurring deuterium can result in tumour regression in mice, dogs, cats and humans. The effect of deuterium depletion on gene expression plays a key part in tumour development. The carcinogen, 7,12-dimethylbenz(alpha)anthracene (DMBA), was used to increase gene expression in "short term" investigations. The expression of c-myc, Ha-ras and p53 gene was followed in CBA/Ca sensitive inbred mice drinking tap water or deuterium-depleted water (DDW) after induction. By detecting the RNA expression 48 hours after exposure to the carcinogen it was found that the expression of all genes investigated was inhibited in six different organs (spleen, lung, thymus, kidney, liver and lymph node) in the DDW-treated group. It is suggested that genes playing a key role in the cell cycle regulation and tumour development are sensitive to deuterium depletion.
Insights
Deuterium-depleted water (DDW) inhibited the expression of key cancer-related genes, including c-myc, Ha-ras, and p53, in mice exposed to a carcinogen. This suggests deuterium
Area of Science:
- Biochemistry
- Oncology
- Molecular Biology
Background:
- Deuterium is abundant in all living organisms, yet its biological role remains under-explored.
- Recent research indicates that reducing deuterium levels may promote tumor regression in various species.
- Deuterium's influence on gene expression is implicated in tumor development.
Purpose of the Study:
- To investigate the impact of deuterium depletion on the expression of specific genes related to tumor development.
- To determine if deuterium-depleted water (DDW) affects carcinogen-induced gene expression in mice.
Main Methods:
- CBA/Ca mice were administered 7,12-dimethylbenz(alpha)anthracene (DMBA) to induce gene expression.
- Mice consumed either regular tap water or deuterium-depleted water (DDW).
- RNA expression of c-myc, Ha-ras, and p53 genes was analyzed in six organs 48 hours post-carcinogen exposure.
Main Results:
- Deuterium-depleted water (DDW) significantly inhibited the expression of c-myc, Ha-ras, and p53 genes in all investigated organs.
- Gene expression changes were observed in the spleen, lung, thymus, kidney, liver, and lymph nodes of DDW-treated mice.
- The inhibitory effect on gene expression was evident 48 hours after carcinogen induction.
Conclusions:
- Genes crucial for cell cycle regulation and tumor development are sensitive to deuterium levels.
- Deuterium depletion may represent a novel strategy for influencing tumor-related gene expression.
- Further research into deuterium's role in oncogenesis is warranted.