7 research outputs found
Influence of Magnesium as a Major Contributor of Water Hardness on Some Cardiac Disease Risk Factors
Various ecological studies report a reduction in cardiovascular disease mortality risk with increasing magnesium levels in drinking water. Most of the studies done in this field were epidemiologic studies.The aim of the present study was to examine whether magnesium addition to drinking water can affect risks of cardiac disease. The study included five groups of male albino rats. The rats received either tap water or water containing 5, 10, 20Â g of magnesium sulfate per liter. During the whole experiment, all the groups received hypercholesterolemic diet except for the normal control which received normal basal diet. At the end of the experiment, blood was drawn for the determination of plasma magnesium, lipid profile and liver function. In addition, the extent of obesity was determined using the body mass index (BMI). In all groups magnesium addition was associated with higher levels of plasma magnesium. The blood analysis showed a significant decrease in serum total cholesterol, triglycerides, LDL- cholesterol and VLDL- cholesterol, while there was a significant increase in HDL- cholesterol in groups received magnesium sulfate in drinking water, compared with the hypercholesterolemic group received tap water. GOT, GPT and ALP followed the same trend. The addition of MgSO4 to the drinking water results in significant decrease in BMI of the magnesium treated groups relative to the hypercholesterolemic control. These results showed that high magnesium concentration in drinking water is capable of decreasing some cardiac disease risk factors in male albino rats. Keywords: Cardiac disease, hypercholesterolemia, Magnesium, Risk factors, Water
Budget impact analysis of breast cancer screening in Italy: the role of new technologies
Although mammography screening significantly reduces breast cancer mortality, women could present different morphological characteristics that do not allow the correct vision of their breasts and the detection of cancer, resulting in a delay of diagnosis and an increase in the risk of mortality. The present study aims at analyzing potential areas of improvement of the current screening programs and then hypothesizing alternative technologies to use within the diagnostic phase, from an economic point of view. A Budget Impact Analysis approach was implemented, considering the Italian National Healthcare Service perspective, and representing the healthcare expenditure evolution, over three years. In the Budget Impact Analysis model, two distinct phases of the screening programs were considered: (1) the screening/diagnosis phase and (2) the phase related to cancer care and treatments of patients. The results provide clinicians and policy makers with a rational method to forecast economic resources in the screening programs in a general context of limited resources. In particular, results of the Budget Impact Analysis showed that, while the introduction of the ABUS InveniaTM technology into the screening programs would lead to an increase in the screening phase expenditure, it would generate an economic advantage related to the patients treatment and care
Exploring the chemical space of G-quadruplex binders: discovery of a novel chemotype targeting the human telomeric sequence
Recent findings have unambiguously demonstrated that DNA G-rich sequences can adopt a G-quadruplex folding in living cells, thus further validating them as crucial targets for anticancer therapy. Herein, to identify new potent G4 binders as antitumor drug candidates, we have targeted a 24-nt G4-forming telomeric sequence employing a receptor-based virtual screening approach. Among the best candidates, in vitro binding experiments allowed identification of three novel G4 ligands. Among them, the best compound features an unprecedented binding selectivity for the human telomeric DNA G-quadruplex with no detectable binding for other G4-forming sequences present at different genomic sites. This behavior correlates with the detected ability to generate DNA damage response in tumor cells at the telomeric level and efficient antiproliferative effect on different tumor cell lines at low micromolar concentrations
Exploring the Chemical Space of G-Quadruplex Binders: Discovery of a Novel Chemotype Targeting the Human Telomeric Sequence
Recent findings have unambiguously demonstrated that DNA G-rich sequences can adopt a G-quadruplex folding in living cells, thus further validating them as crucial targets for anticancer therapy. Herein, to identify new potent G4 binders as antitumor drug candidates, we have targeted a 24-nt G4-forming telomeric sequence employing a receptor-based virtual screening approach. Among the best candidates, in vitro binding experiments allowed identification of three novel G4 ligands. Among them, the best compound features an unprecedented binding selectivity for the human telomeric DNA G-quadruplex with no detectable binding for other G4-forming sequences present at different genomic sites. This behavior correlates with the detected ability to generate DNA damage response in tumor cells at the telomeric level and efficient antiproliferative effect on different tumor cell lines at low micromolar concentrations
Exploring the Chemical Space of G‑Quadruplex Binders: Discovery of a Novel Chemotype Targeting the Human Telomeric Sequence
Recent
findings have unambiguously demonstrated that DNA G-rich
sequences can adopt a G-quadruplex folding in living cells, thus further
validating them as crucial targets for anticancer therapy. Herein,
to identify new potent G4 binders as antitumor drug candidates, we
have targeted a 24-nt G4-forming telomeric sequence employing a receptor-based
virtual screening approach. Among the best candidates, <i>in
vitro</i> binding experiments allowed identification of three
novel G4 ligands. Among them, the best compound features an unprecedented
binding selectivity for the human telomeric DNA G-quadruplex with
no detectable binding for other G4-forming sequences present at different
genomic sites. This behavior correlates with the detected ability
to generate DNA damage response in tumor cells at the telomeric level
and efficient antiproliferative effect on different tumor cell lines
at low micromolar concentrations