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Cadmium and cardiovascular diseases: cell biology, pathophysiology, and epidemiological relevance
Barbara Messner1, David Bernhard
1Cardiothoracic Surgery, Research Laboratories, Department of Surgery, Medical University of Vienna, Währinger Gürtel 18-20, Vienna, Austria.
Insights
Cardiovascular diseases (CVDs) are a leading cause of death. This study explores cadmium (Cd) as a novel risk factor, demonstrating its role in atherosclerosis, the underlying cause of most CVDs.
Area of Science:
- Environmental toxicology
- Cardiovascular medicine
- Biomedical research
Background:
- Cardiovascular diseases (CVDs) are the leading global cause of mortality.
- Known risk factors account for only 50-75% of CVDs, necessitating the identification of new factors.
- Cadmium (Cd) exposure is a growing public health concern.
Purpose of the Study:
- To investigate Cadmium (Cd) as a novel risk factor for cardiovascular diseases (CVDs).
- To elucidate the molecular and cellular mechanisms by which Cd contributes to atherosclerosis.
- To assess the epidemiological relevance of Cd in CVD development.
Main Methods:
- Review of in vitro, animal, and human studies on Cadmium's cardiovascular effects.
- Analysis of molecular and cellular pathways involved in Cd-induced atherosclerosis.
- Epidemiological data assessment for Cd as a CVD risk factor.
Main Results:
- Cadmium (Cd) exposure demonstrably causes atherosclerosis in various study models.
- Molecular and cellular effects of Cd in the cardiovascular system are discussed.
- Evidence suggests epidemiological significance of Cd as a CVD risk factor.
Conclusions:
- Cadmium (Cd) is implicated as a novel and significant risk factor for cardiovascular diseases (CVDs).
- Cd-induced atherosclerosis presents a critical pathway for CVD development.
- Further research into Cd exposure and cardiovascular health is warranted.
Abstract:
Today cardiovascular diseases (CVDs) are the killer number one world wide. In 2004 an estimated 17.1 million people died due to CVDs and this number will further increase to an estimated 23.6 million by 2030. Importantly, currently known risk factors, like hypertension, and hypercholesterolemia, can only be made responsible for about 50-75% of all CVDs, highlighting the urgent need to search for and define new CVD risk factors. Cadmium (Cd) was shown to have the potential to serve as one such novel risk factor, as it was demonstrated-in vitro, in animal studies, and in human studies-that Cd causes atherosclerosis (the basis of most CVDs). Herein, we discuss the molecular and cellular biological effects of Cd in the cardiovascular system; we present concepts on the pathophysiology of Cd-caused atherosclerosis, and provide data that indicate an epidemiological relevance of Cd as a risk factor for CVDs.
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