PMID: 2484522Jan 1, 1988Paper

Biochemical and cellular aspects of the anticancer activity of selenium

Biological Trace Element Research
S Y YuQ Y Liu

Abstract

Aberrant differentiation is a frequent hallmark of tumors, suggesting that modulators for differentiation and proliferation play a role in multistage carcinogenesis and that their use can also be exploited in cancer chemoprevention and therapy. We have demonstrated that selenium (Se) may be a modulator for the differentiation and proliferation of tumor cells. Evidence has been obtained that Se exerts the following effects: reversing changes of biochemical phenotypes toward normal levels, including reduction of cGMP level and cAMP-dependent protein kinase isozyme type I; increase in cAMP level and cAMP-dependent protein kinase isozyme type II, and altering membrane properties. Furthermore, we have obtained support for this hypothesis utilizing experiments on cultured human liver cell lines. It is demonstrated that Se can lead to the following changes: a. reduction of mitotic index; b. increase in the adhesiveness of cells; c. decrease in confluent saturation density and induction of an early contact inhibition; and d. decrease in tumorigenicity. For the purpose of comparison, the effects of Se on the normal counterparts was also studied. Contrary to what was observed above, there was no significant change in both biochemical and...Continue Reading

References

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Citations

Jan 1, 1997·Biological Trace Element Research·S Y YuW G Li
Oct 1, 1995·Journal of Trace Elements in Medicine and Biology : Organ of the Society for Minerals and Trace Elements (GMS)·J L BurgueraM Gallignani
Aug 1, 1993·Medical Hypotheses·R S BedwalR S Mathur
Nov 13, 2001·Oncogene·L Degos, Z Y Wang
Sep 19, 2012·Autism : the International Journal of Research and Practice·Ervin PoljacJohan Wagemans
Sep 4, 2019·Nature Communications·Ainhoa ArinaRalph R Weichselbaum
Apr 5, 2003·Der Internist·R MückeO Micke
Apr 1, 1992·Biological Trace Element Research·G N Schrauzer

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