Characterizing metal–biomolecule interactions by mass spectrometry

SE Janisse, RL Fernandez, MC Heffern - Trends in Biochemical Sciences, 2023 - cell.com
Metal micronutrients are essential for life and exist in a delicate balance to maintain an
organism's health. The labile nature of metal–biomolecule interactions clouds the …

[HTML][HTML] Bioconjugation of the gold drug auranofin to human ferritin yields a potent cytotoxin

L Cosottini, L Massai, V Ghini, S Zineddu, A Geri… - Journal of Drug Delivery …, 2023 - Elsevier
Ferritin may serve as a nanocarrier for the selective delivery of anticancer metallodrugs.
Here, we have prepared and characterized a well-defined conjugate between the gold drug …

Unlocking the Power of Human Ferritin: Enhanced Drug Delivery of Aurothiomalate in A2780 Ovarian Cancer Cells

L Cosottini, A Geri, V Ghini, M Mannelli… - Angewandte …, 2024 - Wiley Online Library
Aurothiomalate (AuTM) is an FDA‐approved antiarthritic gold drug with unique anticancer
properties. To enhance its anticancer activity, we prepared a bioconjugate with human …

[HTML][HTML] 19F: A small probe for a giant protein

L Cosottini, S Zineddu, L Massai, V Ghini… - Journal of Inorganic …, 2023 - Elsevier
Herein we describe a method for the efficient production (∼ 90% fluorination) of 5-F-Trp
human H ferritin via the selective incorporation of 19 F into the side chain of W93 using 5 …

Mercury binding to proteins disclosed by ESI MS experiments: The case of three organomercurials

A Geri, S Zineddu, L Massai, L Ronga… - Journal of Inorganic …, 2024 - Elsevier
Solution interactions of three organomercury compounds, ie, methylmercury chloride,
thimerosal and phenylmercury acetate, with a group of biochemically relevant proteins …

Cytotoxic Pt (ii) complexes containing alizarin: a selective carrier for DNA metalation

R Caligiuri, L Massai, A Geri, L Ricciardi… - Dalton …, 2024 - pubs.rsc.org
Many efforts have been made in the last few decades to selectively transport antitumor
agents to their potential target sites with the aim to improve efficacy and selectivity. Indeed …

A mitochondrion-targeted poly (N-isopropylacrylamide-coacrylic acid) nanohydrogel with a fluorescent bioprobe for ferrous ion imaging in vitro and in vivo

W Xiao, F Wang, X Wang, N Wang - Spectrochimica Acta Part A: Molecular …, 2025 - Elsevier
An imbalance in iron homeostasis contributes to mitochondrial dysfunction, which is closely
linked to the pathogenesis of various diseases. Herein, we developed a nanosensor for …

Morphological difference of Escherichia coli non-heme ferritin iron cores reconstituted in the presence and absence of inorganic phosphate

T Kuwata, D Sato, Y Yanagida, E Aoki… - JBIC Journal of …, 2022 - Springer
The iron core of Escherichia coli ferritin was reconstituted in the presence and absence of
phosphate. The core formed in the presence of phosphate contained phosphate in amounts …

Cage Architecture and Reactivity are Preserved in Cysteine‐Mutated Ferritin

L Cosottini, J Buzzigoli, P Turano - European Journal of …, 2024 - Wiley Online Library
The role of solvent‐exposed cysteines as reactive sites for bioconjugation with a variety of
metal drugs or fluorescent probes is emerging in the use of human H‐ferritin (HuHf) as a …

ESI MS Studies of T. Brucei Trypanothione Reductase and its Reactions With Selected Metal Compounds

S Zineddu, A Geri, A Ilari, G Colotti… - European Journal of …, 2024 - Wiley Online Library
Trypanothione reductase from Trypanosoma brucei (TbTR) is a key enzyme of the parasite
responsible for human African trypanosomiasis. TbTR catalyzes the reduction of …