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Porphyrins and metalloporphyrins for inhibiting heme iron uptake
Porphyrins and metalloporphyrins for inhibiting heme iron uptake
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机译:卟啉和金属卟啉抑制血红素铁的摄取
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摘要
The present invention provides a class of porphyrins and metal chelated porphyrins for use as inhibitors of heme iron uptake. The porphyrin/metal chelated porphyrin molecules of the invention are tetra-positively charged porphyrins based on meso-tetra(4-pyridyl)porphines. Several such agents are shown herein to cause inhibition of iron uptake in vivo and in vitro. The invention further provides therapeutic compositions including the porphyrins and/or metalloporphyrins of the invention. In addition, methods of inhibition of heme iron uptake in vivo are taught, as well as methods of treatment of diseases characterized by iron-overload. These methods include the administration of a porphyrin or metalloporphyrin in a therapeutic composition of the invention to prevent uptake of heme iron, thus preventing replenishment of a patient's iron stores.
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