Effects of iron, copper, zinc, calcium, and magnesium on human lymphocytes in culture
Biological Trace Element Research, ISSN: 0163-4984, Vol: 16, Issue: 2, Page: 165-176
1988
- 16Citations
- 6Captures
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Metrics Details
- Citations16
- Citation Indexes16
- 16
- CrossRef13
- Captures6
- Readers6
Article Description
The effects of simultaneous changes of calcium, magnesium, iron, copper, and zinc concentrations were evaluated in normal human T and B lymphocytes, cultured in cation-depleted media. Optimal concentrations for thymidine incorporation (TI) in both cell populations were Fe and Zn 15 μM and Cu 5 μM; for t cells Ca 2 m M and Mg 4 m M; for B cells Ca 4 m M and Mg 6 m M. TI decreased with increasing molarity of cations and the decrease was particularly apparent with Cu. Minimal amounts of Ca and Mg (0.5 m M) were necessary for growth, even in presence of optimal concentrations of Fe, Cu, and Zn. Fe and Cu showed synergistic stimulatory effects at low concentrations and synergistic inhibitory effects at high concentrations. Antagonism between Fe and Zn, Cu and Zn, and Ca and Zn was also demonstrated. CD4/CD8 increased with PHA stimulation in presence of Zn, and decreased with ConA stimulation in presence of Zn or Fe. The results demonstrate: (1) the relationship and interdependence of Fe, Cu, and Zn concentrations in modulating the growth of normal lymphocytes; (2) the stimulatory effects of Fe on B cells and Zn on CD8 positive cells; (3) the inhibitory effect of Cu at concentrations lower than those of Fe and Zn; (4) the requirement of Ca and Mg in certain concentration and ratio for the action of the other cations; and (5) the Ca and Mg requirement for the growth of B cells higher than T cells. © 1988 The Humana Press Inc.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0023811778&origin=inward; http://dx.doi.org/10.1007/bf02797101; http://www.ncbi.nlm.nih.gov/pubmed/2484545; http://link.springer.com/10.1007/BF02797101; http://www.springerlink.com/index/pdf/10.1007/BF02797101; https://dx.doi.org/10.1007/bf02797101; https://link.springer.com/article/10.1007/BF02797101; http://www.springerlink.com/index/10.1007/BF02797101
Springer Nature
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