Abstract:QT prolongation refers to the prolonged QT interval in electrocardiography (ECG) which can even lead to life-threatening events such as ventricular arrhythmias, torsades de pointes, etc., several drugs can cause QT prolongation which includes sotalol, quinidine, arsenic, disopyramide, procainamide, amiodarone, haloperidol, etc., Arsenic trioxide (ATO) is used as an effective treatment option in promyelocytic leukemia (PML). Acute myeloid leukemia (AML) is a cancer that affects the blood and bone marrow. Acute … Show more
“…In recent years, the double induction therapy that is the combination of ATO with all-trans retinoic acid has become a standard regimen for APL treatment [30,32]. However, although arsenic therapy has been successful in APL and other malignancies, dose-dependent arsenic toxicity has limited its clinical use [18,30,[33][34][35]. Pathological effects of arsenic are presented in Figure 2 [18].…”
Arsenic is a known environmental carcinogenic agent. However, under certain circumstances, it may exert anticancer effects. In this systematic review, we aim to provide information on recent developments in studies on arsenic antitumor effects in breast cancer. Research included in the review refers to experimental data from in vitro studies. The data was collected using search terms “breast cancer,” “arsenic,” and “anticancer” (25.05.2021). Only studies in English and published in the last 10 years were included. The search identified 123 studies from the EBSCOhost, PubMed, and Scopus databases. In the selection process, thirty full-texts were evaluated as eligible for the review. The literature of the last decade provides a lot of information on mechanisms behind anticancer effects of arsenic on breast cancer. Similar to arsenic-induced carcinogenesis, these mechanisms include the activation of the redox system and the increased production of free radicals. Targets of arsenic action are systems of cell membranes, mitochondria, pathways of intracellular transmission, and the genetic apparatus of the cell. Beneficial effects of arsenic use are possible due to significant metabolic differences between cancer and healthy cells. Further efforts are needed in order to establish modes and doses of treatment with arsenic that would provide anticancer activity with minimal toxicity.
“…In recent years, the double induction therapy that is the combination of ATO with all-trans retinoic acid has become a standard regimen for APL treatment [30,32]. However, although arsenic therapy has been successful in APL and other malignancies, dose-dependent arsenic toxicity has limited its clinical use [18,30,[33][34][35]. Pathological effects of arsenic are presented in Figure 2 [18].…”
Arsenic is a known environmental carcinogenic agent. However, under certain circumstances, it may exert anticancer effects. In this systematic review, we aim to provide information on recent developments in studies on arsenic antitumor effects in breast cancer. Research included in the review refers to experimental data from in vitro studies. The data was collected using search terms “breast cancer,” “arsenic,” and “anticancer” (25.05.2021). Only studies in English and published in the last 10 years were included. The search identified 123 studies from the EBSCOhost, PubMed, and Scopus databases. In the selection process, thirty full-texts were evaluated as eligible for the review. The literature of the last decade provides a lot of information on mechanisms behind anticancer effects of arsenic on breast cancer. Similar to arsenic-induced carcinogenesis, these mechanisms include the activation of the redox system and the increased production of free radicals. Targets of arsenic action are systems of cell membranes, mitochondria, pathways of intracellular transmission, and the genetic apparatus of the cell. Beneficial effects of arsenic use are possible due to significant metabolic differences between cancer and healthy cells. Further efforts are needed in order to establish modes and doses of treatment with arsenic that would provide anticancer activity with minimal toxicity.
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