The N-terminus of hepcidin is a strong and potentially biologically relevant Cu (II) chelator

D Płonka, W Bal - Inorganica Chimica Acta, 2018 - Elsevier
hepcidin. Our study focused on the model DTHFPI-NH 2 hexapeptide reflecting the N-terminal
motif of mature hepcidin… Based on these results we propose that hepcidin could exist as Cu…

An Overlooked Hepcidin–Cadmium Connection

D Płonka, MD Wiśniewska, MD Peris-Díaz… - International Journal of …, 2022 - mdpi.com
… (5R-hepcidin). … hepcidin we demonstrated that hepcidin can compete for Cd(II) ions with
metallothionein-2, a cellular cadmium target. This study enabled us to conclude that hepcidin

Investigations of the Copper Peptide Hepcidin-25 by LC-MS/MS and NMR +

IM Abbas, M Vranic, H Hoffmann, AH El-Khatib… - International journal of …, 2018 - mdpi.com
… To our knowledge, none of the materials used for hepcidin analysis have been characterized
in this respect, yet. Even simple (non-chiral) amino acid analysis can be very useful for the …

[HTML][HTML] The Cu (II) affinity constant and reactivity of Hepcidin-25, the main iron regulator in human blood

D Płonka, MD Wiśniewska, J Ziemska-Legięcka… - Journal of inorganic …, 2023 - Elsevier
Hepcidin is an iron regulatory hormone that does not bind iron directly. Instead, its mature
25… The Cu(II)-hepcidin complex was previously studied, but due to poor solubility and difficult …

Cellular dynamics of transition metal exchange on proteins: a challenge but a bonanza for coordination chemistry

JM Moulis - Biomolecules, 2020 - mdpi.com
… and mechanistic properties of ill-characterized metalloproteins at … hepcidin without evidence
of transition metal binding [64]. Similarly, production of C-terminal histidine-tagged hepcidin

Transition metals at the host–pathogen interface: how Neisseria exploit human metalloproteins for acquiring iron and zinc

W Neumann, RC Hadley, EM Nolan - Essays in biochemistry, 2017 - portlandpress.com
… systems are the most well characterized to date and are … hepcidin to inhibit iron transport
into the bloodstream [36]. … The hCP heterodimer has two transition metal-binding sites …

Fluorescence resonance energy transfer links membrane ferroportin, hephaestin but not ferroportin, amyloid precursor protein complex with iron efflux

AC Dlouhy, DK Bailey, BL Steimle, HV Parker… - Journal of Biological …, 2019 - ASBMB
… We demonstrate that Fpn and Heph co-localize, and FRET analysis indicated that the two
proteins form an iron-efflux complex. In contrast, none of the full-length, cellular APP proteins …

Improved LC-MS/MS method for the quantification of hepcidin-25 in clinical samples

IM Abbas, H Hoffmann, M Montes-Bayón… - Analytical and …, 2018 - Springer
… We tested the influence of vial material and sample injection solution on the hepcidin
concentration, using LC-MS/MS analysis employing TFA-based solvents. The influence of the …

Characterizing Transition Metal Homeostasis at the Host-Pathogen Interface

EML Culbertson - 2020 - jscholarship.library.jhu.edu
… During infection, the small peptide hormone hepcidin is secreted from the liver (12-14). It …
We next tested whether calprotectin association with Bb required transition metal binding sites …

Understanding metal binding in neuromedin C

AB Uceda, L Marino, M Adrover, B Vilanova - Inorganica Chimica Acta, 2020 - Elsevier
… NMC–Cu 2+ complexes were further characterized by pH titration. The stoichiometries
and overall stability constants (log β pqr ) thus determined, which are shown in Table 2, were …