Peroxiredoxins in erythrocytes: far beyond the antioxidant role

CP de Paula, JPM de Oliveira da Silva… - Journal of Molecular …, 2023 - Springer
The red blood cells (RBCs) are essential to transport oxygen (O2) and nutrients throughout
the human body. Changes in the structure or functioning of the erythrocytes can lead to …

Role of peroxiredoxin 2 in erythrocyte antioxidant defense: Peroxidase and chaperone

D Melo, S Ribeiro, A Santos-Silva, S Rocha - Free Radical Biology and …, 2018 - Elsevier
We aimed to study the role of Peroxiredoxin 2 (Prx2) in the erythrocyte antioxidant defense.
We performed in vitro assays (n= 3) using healthy erythrocytes, with and without inhibiting …

Peroxiredoxin 2 functions as a noncatalytic scavenger of low-level hydrogen peroxide in the erythrocyte

FM Low, MB Hampton, AV Peskin, CC Winterbourn - Blood, 2007 - ashpublications.org
Abstract Peroxiredoxin 2 (Prx2), a thiol-dependent peroxidase, is the third most abundant
protein in the erythrocyte, and its absence in knock-out mice gives rise to hemolytic anemia …

Peroxiredoxin 2 and peroxide metabolism in the erythrocyte

FM Low, MB Hampton… - Antioxidants & redox …, 2008 - liebertpub.com
Peroxiredoxin 2 (Prx2) is an antioxidant enzyme that uses cysteine residues to decompose
peroxides. Prx2 is the third most abundant protein in erythrocytes, and competes effectively …

Is the Peroxiredoxin 2/Thioredoxin/Thioredoxin Reductase system in human erythrocytes designed for redox signaling?

R Benfeitas, G Selvaggio, F Antunes, P Coelho… - Free Radical Biology …, 2014 - Elsevier
In human erythrocytes H 2 O 2 is mainly consumed by glutathione peroxidase, catalase and
peroxiredoxin 2 (Prx2). Our previous analyses indicate that Prx2's peroxidase activity is …

Peroxiredoxin II is essential for sustaining life span of erythrocytes in mice

TH Lee, SU Kim, SL Yu, SH Kim, DS Park, HB Moon… - Blood, 2003 - ashpublications.org
Peroxiredoxins (Prxs) are a family of antioxidant proteins that reduce peroxide levels by
using reducing agents such as thioredoxin. These proteins were characterized to have a …

Peroxiredoxin-2 recycling is inhibited during erythrocyte storage

VM Harper, JY Oh, R Stapley, MB Marques… - Antioxidants & redox …, 2015 - liebertpub.com
Aims: Transfusion with stored red blood cells (RBCs) is associated with increased morbidity
and mortality. Peroxiredoxin-2 (Prx-2) is a primary RBC antioxidant that limits hydrogen …

[HTML][HTML] Irreversible hyperoxidation of peroxiredoxin 2 is caused by tert-butyl hydroperoxide in human red blood cells

YI Ishida, M Takikawa, T Suzuki, M Nagahama… - FEBS Open Bio, 2014 - Elsevier
Abstract Peroxiredoxin 2 (Prx2) is the third most abundant protein in red blood cells (RBCs).
In this study, we have succeeded in implementing the rapid and simultaneous detection of …

The peroxidase and peroxynitrite reductase activity of human erythrocyte peroxiredoxin 2

B Manta, M Hugo, C Ortiz, G Ferrer-Sueta… - Archives of biochemistry …, 2009 - Elsevier
Peroxiredoxin 2 (Prx2) is a 2-Cys peroxiredoxin extremely abundant in the erythrocyte. The
peroxidase activity was studied in a steady-state approach yielding an apparent KM of 2.4 …

Peroxidatic cysteine residue of peroxiredoxin 2 separated from human red blood cells treated by tert-butyl hydroperoxide is hyperoxidized into sulfinic and sulfonic …

Y Ishida, M Aki, S Fujiwara, M Nagahama… - Human Cell, 2017 - Springer
Abstract Peroxiredoxin 2 (Prx2) is a redox enzyme that is abundantly expressed in red blood
cells (RBCs) and has been the focus of clinical attention for monitoring the oxidative status …