{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T23:10:44Z","timestamp":1790291444513,"version":"4.1.0"},"reference-count":110,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2025,8,20]],"date-time":"2025-08-20T00:00:00Z","timestamp":1755648000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JoX"],"abstract":"<jats:p>Lead poisoning is a significant public health issue, contributing to 0.6% of the global disease burden and disproportionately affecting developing countries. Vulnerable populations, such as children, pregnant women, and low-income communities, remain at high risk, often exposed to lead levels exceeding safe thresholds. While the problem is global, this review focuses specifically on the Americas, regions with diverse regulatory landscapes and persistent environmental lead exposure. Regulatory frameworks vary widely, and the lack of global consensus on acceptable blood lead levels leaves important gaps in protection. This review compiles and updates knowledge on emerging sources of lead exposure in the region, evaluates advancements in regulatory approaches, and analyzes the molecular impacts of lead on human health. Using the Comparative Toxicogenomics Database (CTD), lead was found to interact with 3448 genes, including those linked to inflammation and oxidative stress, and is associated with 4401 diseases and 799 disrupted pathways. These findings emphasize the need for regionally tailored interventions, strengthened policies, and further research on its health impacts.<\/jats:p>","DOI":"10.3390\/jox15040134","type":"journal-article","created":{"date-parts":[[2025,8,20]],"date-time":"2025-08-20T13:18:14Z","timestamp":1755695894000},"page":"134","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Lead Poisoning in the Americas: Sources, Regulations, Health Impacts, and Molecular Mechanisms"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2233-571X","authenticated-orcid":false,"given":"Blanca Miriam","family":"Torres-Mendoza","sequence":"first","affiliation":[{"name":"Laboratorio de Inmunodeficiencias y Retrovirus Humanos, Divisi\u00f3n de Neurociencias, Centro de Investigaci\u00f3n Biom\u00e9dica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara 44340, Jalisco, Mexico"},{"name":"Departamento 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