Intracellular labile iron

W Breuer, M Shvartsman, ZI Cabantchik - The international journal of …, 2008 - Elsevier
Cells maintain organellar pools of “labile iron”(LI), despite its propensity for catalyzing the
formation of reactive oxygen species. These pools are identifiable by iron-chelating probes …

Iron metabolism: physiology and pathophysiology

P Ponka - The Journal of Trace Elements in Experimental …, 2000 - Wiley Online Library
Iron is indispensible for life, essential for such processes as oxygen transport, electron
transfer, and DNA synthesis. Because of iron's virtual insolubility and potential toxicity …

Intracellular iron trafficking: role of cytosolic ligands

M Shvartsman, Z Ioav Cabantchik - Biometals, 2012 - Springer
Iron acquired by cells is delivered to mitochondria for metabolic processing via pathways
comprising undefined chemical forms. In order to assess cytosolic factors that affect those …

Labile iron in cells and body fluids: physiology, pathology, and pharmacology

ZI Cabantchik - Frontiers in pharmacology, 2014 - frontiersin.org
In living systems iron appears predominantly associated with proteins, but can also be
detected in forms referred as labile iron, which denotes the combined redox properties of …

Intracellular iron transport and storage: from molecular mechanisms to health implications

EL Mackenzie, K Iwasaki, Y Tsuji - Antioxidants & redox signaling, 2008 - liebertpub.com
Maintenance of proper “labile iron” levels is a critical component in preserving homeostasis.
Iron is a vital element that is a constituent of a number of important macromolecules …

Special delivery: distributing iron in the cytosol of mammalian cells

CC Philpott, MS Ryu - Frontiers in pharmacology, 2014 - frontiersin.org
Eukaryotic cells contain hundreds of proteins that require iron cofactors for activity. These
iron enzymes are located in essentially every subcellular compartment; thus, iron cofactors …

Aquisition, mobilization and utilization of cellular iron and heme: endless findings and growing evidence of tight regulation

S Taketani - The Tohoku journal of experimental medicine, 2005 - jstage.jst.go.jp
205 (4), 297-318── Iron is fastidiously utilized by living cells, since it is an essential
element, but is toxic in excess. Cells take up iron via a transferrin-transferrin receptor …

Mechanisms of cellular iron sensing, regulation of erythropoiesis and mitochondrial iron utilization

N Maio, DL Zhang, MC Ghosh, A Jain… - Seminars in …, 2021 - Elsevier
To maintain an adequate iron supply for hemoglobin synthesis and essential metabolic
functions while counteracting iron toxicity, humans and other vertebrates have evolved …

Non-transferrin-bound iron reaches mitochondria by a chelator-inaccessible mechanism: biological and clinical implications

M Shvartsman, R Kikkeri, A Shanzer… - American Journal of …, 2007 - journals.physiology.org
Non-transferrin-bound iron, commonly found in the plasma of iron-overloaded individuals,
permeates into cells via pathways independent of the transferrin receptor. This may lead to …

Regulation of cellular iron metabolism

J Wang, K Pantopoulos - Biochemical Journal, 2011 - portlandpress.com
Iron is an essential but potentially hazardous biometal. Mammalian cells require sufficient
amounts of iron to satisfy metabolic needs or to accomplish specialized functions. Iron is …