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Haematopoietic stem cells (HSCs) are responsible for the lifelong production of blood cells. The accumulation of DNA damage in HSCs is a hallmark of ageing and is probably a major contributing factor in age-related tissue degeneration and malignant transformation. A number of accelerated ageing syndromes are associated with defective DNA repair and genomic(More)
H(2)O(2) acts as a signaling molecule by oxidizing critical thiol groups on redox-regulated target proteins. To explain the efficiency and selectivity of H(2)O(2)-based signaling, it has been proposed that oxidation of target proteins may be facilitated by H(2)O(2)-scavenging peroxidases. Recently, a peroxidase-based protein oxidation relay has been(More)
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