A Speciation Study on the Perturbing Effects of Iron Chelators on the Homeostasis of Essential Metal Ions.
A number of reports have appeared in literature calling attention to the depletion of essential metal ions during chelation therapy on β-thalassaemia patients. We present a speciation study to determine how the iron chelators used in therapy interfere with the homeostatic equilibria of essential met...
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| Format: | Article |
| Language: | English |
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Public Library of Science (PLoS)
2015-01-01
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| Series: | PLoS ONE |
| Online Access: | http://europepmc.org/articles/PMC4508027?pdf=render |
| _version_ | 1818218204343828480 |
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| author | Guido Crisponi Valeria Marina Nurchi Miriam Crespo-Alonso Gavino Sanna Maria Antonietta Zoroddu Giancarla Alberti Raffaela Biesuz |
| author_facet | Guido Crisponi Valeria Marina Nurchi Miriam Crespo-Alonso Gavino Sanna Maria Antonietta Zoroddu Giancarla Alberti Raffaela Biesuz |
| author_sort | Guido Crisponi |
| collection | DOAJ |
| description | A number of reports have appeared in literature calling attention to the depletion of essential metal ions during chelation therapy on β-thalassaemia patients. We present a speciation study to determine how the iron chelators used in therapy interfere with the homeostatic equilibria of essential metal ions. This work includes a thorough analysis of the pharmacokinetic properties of the chelating agents currently in clinical use, of the amounts of iron, copper and zinc available in plasma for chelation, and of all the implied complex formation constants. The results of the study show that a significant amount of essential metal ions is complexed whenever the chelating agent concentration exceeds the amount necessary to coordinate all disposable iron--a frequently occurring situation during chelation therapy. On the contrary, copper and zinc do not interfere with iron chelation, except for a possible influence of copper on iron speciation during deferiprone treatment. |
| first_indexed | 2024-12-12T07:20:03Z |
| format | Article |
| id | doaj.art-c7481f41ecd5427cbb3a55620e339b65 |
| institution | Directory Open Access Journal |
| issn | 1932-6203 |
| language | English |
| last_indexed | 2024-12-12T07:20:03Z |
| publishDate | 2015-01-01 |
| publisher | Public Library of Science (PLoS) |
| record_format | Article |
| series | PLoS ONE |
| spelling | doaj.art-c7481f41ecd5427cbb3a55620e339b652022-12-22T00:33:25ZengPublic Library of Science (PLoS)PLoS ONE1932-62032015-01-01107e013305010.1371/journal.pone.0133050A Speciation Study on the Perturbing Effects of Iron Chelators on the Homeostasis of Essential Metal Ions.Guido CrisponiValeria Marina NurchiMiriam Crespo-AlonsoGavino SannaMaria Antonietta ZorodduGiancarla AlbertiRaffaela BiesuzA number of reports have appeared in literature calling attention to the depletion of essential metal ions during chelation therapy on β-thalassaemia patients. We present a speciation study to determine how the iron chelators used in therapy interfere with the homeostatic equilibria of essential metal ions. This work includes a thorough analysis of the pharmacokinetic properties of the chelating agents currently in clinical use, of the amounts of iron, copper and zinc available in plasma for chelation, and of all the implied complex formation constants. The results of the study show that a significant amount of essential metal ions is complexed whenever the chelating agent concentration exceeds the amount necessary to coordinate all disposable iron--a frequently occurring situation during chelation therapy. On the contrary, copper and zinc do not interfere with iron chelation, except for a possible influence of copper on iron speciation during deferiprone treatment.http://europepmc.org/articles/PMC4508027?pdf=render |
| spellingShingle | Guido Crisponi Valeria Marina Nurchi Miriam Crespo-Alonso Gavino Sanna Maria Antonietta Zoroddu Giancarla Alberti Raffaela Biesuz A Speciation Study on the Perturbing Effects of Iron Chelators on the Homeostasis of Essential Metal Ions. PLoS ONE |
| title | A Speciation Study on the Perturbing Effects of Iron Chelators on the Homeostasis of Essential Metal Ions. |
| title_full | A Speciation Study on the Perturbing Effects of Iron Chelators on the Homeostasis of Essential Metal Ions. |
| title_fullStr | A Speciation Study on the Perturbing Effects of Iron Chelators on the Homeostasis of Essential Metal Ions. |
| title_full_unstemmed | A Speciation Study on the Perturbing Effects of Iron Chelators on the Homeostasis of Essential Metal Ions. |
| title_short | A Speciation Study on the Perturbing Effects of Iron Chelators on the Homeostasis of Essential Metal Ions. |
| title_sort | speciation study on the perturbing effects of iron chelators on the homeostasis of essential metal ions |
| url | http://europepmc.org/articles/PMC4508027?pdf=render |
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