Sex-specific Profiles of Blood Metal Levels Associated with Metal–Iron Interactions

The mechanisms by which iron is absorbed are similar to those of divalent metals, particularly manganese, lead, and cadmium. These metals, however, show different toxicokinetics in relation to menarche or menopause, although their interaction with iron is the same. This review focuses on the kinetic...

Full description

Bibliographic Details
Main Authors: Byung-Kook Lee, Yangho Kim
Format: Article
Language:English
Published: Elsevier 2014-09-01
Series:Safety and Health at Work
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S209379111400047X
_version_ 1827845550192459776
author Byung-Kook Lee
Yangho Kim
author_facet Byung-Kook Lee
Yangho Kim
author_sort Byung-Kook Lee
collection DOAJ
description The mechanisms by which iron is absorbed are similar to those of divalent metals, particularly manganese, lead, and cadmium. These metals, however, show different toxicokinetics in relation to menarche or menopause, although their interaction with iron is the same. This review focuses on the kinetics of these three toxic metals (manganese, lead, and cadmium) in relation to menarche, pregnancy, and menopause. The iron–manganese interaction is the major factor determining sex-specific differences in blood manganese levels throughout the whole life cycle. The effects of estrogen overshadow the association between iron deficiency and increased blood lead concentrations, explaining why women, despite having lower ferritin concentrations, have lower blood lead concentrations than men. Iron deficiency is associated with elevated cadmium levels in premenopausal women, but not in postmenopausal women or men; these findings indicate that sex-specific differences in cadmium levels at older ages are not due to iron–cadmium interactions, and that further studies are required to identify the source of these differences. In summary, the potential causes of sex-specific differences in the blood levels of manganese, lead, and cadmium differ from each other, although all these three metals are associated with iron deficiency. Therefore, other factors such as estrogen effects, or absorption rate as well as iron deficiency, should be considered when addressing environmental exposure to toxic metals and sex-specific differences in the blood levels of these metals.
first_indexed 2024-03-12T08:59:58Z
format Article
id doaj.art-a525a1d8ca464e08ae0a604cc50975a3
institution Directory Open Access Journal
issn 2093-7911
language English
last_indexed 2024-03-12T08:59:58Z
publishDate 2014-09-01
publisher Elsevier
record_format Article
series Safety and Health at Work
spelling doaj.art-a525a1d8ca464e08ae0a604cc50975a32023-09-02T15:45:07ZengElsevierSafety and Health at Work2093-79112014-09-015311311710.1016/j.shaw.2014.06.005Sex-specific Profiles of Blood Metal Levels Associated with Metal–Iron InteractionsByung-Kook Lee0Yangho Kim1Korean Industrial Health Association, Seoul, KoreaDepartment of Occupational and Environmental Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, KoreaThe mechanisms by which iron is absorbed are similar to those of divalent metals, particularly manganese, lead, and cadmium. These metals, however, show different toxicokinetics in relation to menarche or menopause, although their interaction with iron is the same. This review focuses on the kinetics of these three toxic metals (manganese, lead, and cadmium) in relation to menarche, pregnancy, and menopause. The iron–manganese interaction is the major factor determining sex-specific differences in blood manganese levels throughout the whole life cycle. The effects of estrogen overshadow the association between iron deficiency and increased blood lead concentrations, explaining why women, despite having lower ferritin concentrations, have lower blood lead concentrations than men. Iron deficiency is associated with elevated cadmium levels in premenopausal women, but not in postmenopausal women or men; these findings indicate that sex-specific differences in cadmium levels at older ages are not due to iron–cadmium interactions, and that further studies are required to identify the source of these differences. In summary, the potential causes of sex-specific differences in the blood levels of manganese, lead, and cadmium differ from each other, although all these three metals are associated with iron deficiency. Therefore, other factors such as estrogen effects, or absorption rate as well as iron deficiency, should be considered when addressing environmental exposure to toxic metals and sex-specific differences in the blood levels of these metals.http://www.sciencedirect.com/science/article/pii/S209379111400047Xcadmiumferritinironleadmanganese
spellingShingle Byung-Kook Lee
Yangho Kim
Sex-specific Profiles of Blood Metal Levels Associated with Metal–Iron Interactions
Safety and Health at Work
cadmium
ferritin
iron
lead
manganese
title Sex-specific Profiles of Blood Metal Levels Associated with Metal–Iron Interactions
title_full Sex-specific Profiles of Blood Metal Levels Associated with Metal–Iron Interactions
title_fullStr Sex-specific Profiles of Blood Metal Levels Associated with Metal–Iron Interactions
title_full_unstemmed Sex-specific Profiles of Blood Metal Levels Associated with Metal–Iron Interactions
title_short Sex-specific Profiles of Blood Metal Levels Associated with Metal–Iron Interactions
title_sort sex specific profiles of blood metal levels associated with metal iron interactions
topic cadmium
ferritin
iron
lead
manganese
url http://www.sciencedirect.com/science/article/pii/S209379111400047X
work_keys_str_mv AT byungkooklee sexspecificprofilesofbloodmetallevelsassociatedwithmetalironinteractions
AT yanghokim sexspecificprofilesofbloodmetallevelsassociatedwithmetalironinteractions