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Paper Information

Journal:   IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES   JULY-AUGUST 2012 , Volume 15 , Number 4; Page(s) 900 To 906.
 
Paper: 

INDUCTION OF APOPTOSIS IN THE RAT BONE MARROW MESENCHYMAL STEM CELLS FOLLOWING SODIUM ARSENITE TREATMENT WITH THE DOSE LESSER THAN THAT USED FOR TREATMENT OF MALIGNANT PATIENT

 
 
Author(s):  ABNOSI MOHAMMAD HUSEIN*, SOLEMANI MEHRANJANI MALEK, MOMENI HAMIDREZA, SHOJAFAR ELHAM, BARATI MOZHGAN
 
* BIOLOGY DEPARTMENT, FACULTY OF SCIENCES, ARAK UNIVERSITY, ARAK 38156-8-8349, MARKAZI PROVINCE, ARAK, IRAN
 
Abstract: 

Objective(s): Arsenic compounds are potent human carcinogen and produce a variety of stress responses in mammalian cells. Recently sodium arsenite has been recommended to be used as anti malignancy drug by American food and drug administration (FDA). In this study, we aimed to determine the apoptosis inducing effect of sodium arsenite on rat bone marrow mesenchymal stem cells exposed in vitro.
Methodology: Cell morphology was studied with the help of Hoechst and propidium iodide as well as with single cell gel electrophoresis (comet assay), TUNEL assay and caspase activity base on immunocytochemistry using commercial kit were considered to study the mechanism of cell death.
Results: Our result showed that the sodium arsenite with concentration of 0.1
mM in 36 hr induces caspase dependent apoptosis in rat bone marrow mesenchymal stem cells. This concentration is the lowest level of sodium arsenite tobe reported with apoptosis induction ability in stem cells.
Conclusion: Since sodium arsenite is used in therapy, more research should be carried out on the effect of this chemical on stem cells, especially MSCs.

 
Keyword(s): APOPTOSIS, MESENCHYMAL STEM CELLS, RATS, SODIUM ARSENITE
 
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