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Arsenic Inhibits P19 Stem Cell Differentiation By Altering Microrna Expression And Repressing The Sonic Hedgehog Signaling Pathway, Jui Tung Liu
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Arsenic is a naturally-occurring toxicant that exists in bedrock and can be leached into ground water. Humans can be exposed to arsenic via contaminated drinking water, fruit, rice or crops. Epidemiological studies have shown that arsenic is a developmental toxicant, and in utero exposure reduces IQ scores, verbal learning ability, decreases long term memory, and increases the likelihood of dying from a neurological disorder. Arsenic can also reduce birth weight, weight gain, and muscle function after an in utero exposure. Although the mechanism behind these physiological changes is not known, in vitro studies have shown that arsenic can reduce muscle …