The hormetic dose-response mechanism: Nrf2 activation

EJ Calabrese, WJ Kozumbo - Pharmacological Research, 2021 - Elsevier
A generalized mechanism for hormetic dose responses is proposed that is based on the
redox-activated transcription factor (TF), Nrf2, and its upregulation of an integrative system of …

Hormetic mechanisms

EJ Calabrese - Critical reviews in toxicology, 2013 - Taylor & Francis
This article provides the first extensive documentation of mechanisms of hormetic
dose/concentration responses. The mechanisms selected were principally those mediated …

Preconditioning is hormesis part I: Documentation, dose-response features and mechanistic foundations

EJ Calabrese - Pharmacological Research, 2016 - Elsevier
This article provides the first extensive documentation of the dose response features of pre-
and postconditioning. Pre-and postconditioning studies with rigorous study designs, using …

Preconditioning is hormesis part II: How the conditioning dose mediates protection: Dose optimization within temporal and mechanistic frameworks

EJ Calabrese - Pharmacological Research, 2016 - Elsevier
In Part I, hormetic doses of a variety of agents stimulated adaptive responses that
conditioned and protected cells against the subsequent toxicity resulting from a second …

Multiple regulations of Keap1/Nrf2 system by dietary phytochemicals

S Qin, DX Hou - Molecular nutrition & food research, 2016 - Wiley Online Library
Keap1/Nrf2 system plays a critical role on cellular protection by regulating many antioxidant
and detoxification enzyme genes through the antioxidant response element (ARE). Thus, it …

[HTML][HTML] Biphasic dose-response induced by phytochemicals: experimental evidence

J Jodynis-Liebert, M Kujawska - Journal of Clinical Medicine, 2020 - mdpi.com
Many phytochemicals demonstrate nonmonotonic dose/concentration-response termed
biphasic dose-response and are considered to be hormetic compounds, ie, they induce …

[HTML][HTML] Anti-apoptotic effects of carotenoids in neurodegeneration

HA Park, MM Hayden, S Bannerman, J Jansen… - Molecules, 2020 - mdpi.com
Apoptosis, programmed cell death type I, is a critical part of neurodegeneration in cerebral
ischemia, Parkinson's, and Alzheimer's disease. Apoptosis begins with activation of pro …

[HTML][HTML] Berberine protects against 6-OHDA-induced neurotoxicity in PC12 cells and zebrafish through hormetic mechanisms involving PI3K/AKT/Bcl-2 and Nrf2/HO-1 …

C Zhang, C Li, S Chen, Z Li, X Jia, K Wang, J Bao… - Redox biology, 2017 - Elsevier
Berberine (BBR) is a renowned natural compound that exhibits potent neuroprotective
activities. However, the cellular and molecular mechanisms are still unclear. Hormesis is an …

Punicalagin induces Nrf2/HO‐1 expression via upregulation of PI3K/AKT pathway and inhibits LPS‐induced oxidative stress in RAW264. 7 macrophages

X Xu, H Li, X Hou, D Li, S He, C Wan… - Mediators of …, 2015 - Wiley Online Library
Reactive oxygen species (ROS) and oxidative stress are thought to play a central role in
potentiating macrophage activation, causing excessive inflammation, tissue damage, and …

[HTML][HTML] The role of Nrf2 in the pathogenesis and treatment of ulcerative colitis

S Peng, L Shen, X Yu, L Zhang, K Xu, Y Xia… - Frontiers in …, 2023 - frontiersin.org
Ulcerative colitis (UC) is a chronic inflammatory bowel disease involving mainly the
colorectal mucosa and submucosa, the incidence of which has been on the rise in recent …