4.5 Review

An overview on amyotrophic lateral sclerosis and cadmium

期刊

NEUROLOGICAL SCIENCES
卷 42, 期 2, 页码 531-537

出版社

SPRINGER-VERLAG ITALIA SRL
DOI: 10.1007/s10072-020-04957-7

关键词

Amyotrophic lateral sclerosis; Cadmium; Motor neuron disease; Heavy metals; Neurodegenerative disease

资金

  1. Universita degli Studi di Sassari within the CRUI-CARE Agreement

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Cadmium, a neurotoxic heavy metal, may play a role in the onset of ALS, but the current evidence on its correlation with the disease is unclear and suggests a possible multifactorial and synergistic mechanism. More research efforts are needed to better understand the involvement of Cadmium in this lethal disease through new clinical, biochemical, and epidemiological studies.
The present review represents an update about the knowledge of the possible role of Cadmium (Cd) in amyotrophic lateral sclerosis (ALS) initiation and its progression. ALS is a neurodegenerative disease that occurs in adulthood; its etiology is unknown and leads to death within a few years from its appearance. Among the various possible causes that can favor the development of the disease, heavy metals cannot be excluded. Cadmium is a heavy metal that does not play a biological role, but its neurotoxicity is well known. Numerous in vitro studies on cell and animal models confirm the toxicity of the metal on the nervous system, but these data are not accompanied by an epidemiological evidence, and, thus, an unclear correlation between Cd and the onset of the disease can be pointed out. On the other hand, a possible multifactorial and synergic mechanism in which Cd may have a role can explain the ALS onset. More efforts in new clinical, biochemical, and epidemiological studies are necessary to better elucidate the involvement of Cd in this lethal disease.

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