Regulation of autophagy following ex vivo heating in peripheral blood mononuclear cells from young adults

JJ McCormick, KE King, MD Côté, MK McManus… - Journal of Thermal …, 2020 - Elsevier
Under conditions of extreme heat stress, the process of autophagy has previously been
shown to protect human cells, but the exact body temperature at which autophagic activation …

Impaired autophagy following ex vivo heating at physiologically relevant temperatures in peripheral blood mononuclear cells from elderly adults

JJ McCormick, KE King, MD Côté, RD Meade… - Journal of Thermal …, 2021 - Elsevier
With the increasing threat of climate change and the accompanying rise in the frequency
and severity of extreme heat events, there are growing health concerns for heat-vulnerable …

[HTML][HTML] Impaired autophagy following ex vivo cooling of simulated hypothermic temperatures in peripheral blood mononuclear cells from young and older adults

KE King, JJ McCormick, MK McManus… - Journal of Thermal …, 2024 - Elsevier
Hypothermia is a critical consequence of extreme cold exposure that increases the risk of
cold-related injury and death in humans. While the initiation of cytoprotective mechanisms …

Autophagic response to exercise in peripheral blood mononuclear cells from young men is intensity-dependent and is altered by exposure to environmental heat

JJ McCormick, MD Côté, KE King… - American Journal …, 2022 - journals.physiology.org
Autophagy is essential to maintaining cellular homeostasis in all eukaryotic cells and to
tolerance of acute stressors such as starvation, heat, and recovery after exercise. Limited …

Physiological responses to 9 hours of heat exposure in young and older adults. Part II: autophagy and the acute cellular stress response

JJ McCormick, RD Meade, KE King… - Journal of Applied …, 2023 - journals.physiology.org
With rising global temperatures, heat-related mortality is increasing, particularly among older
adults. Although this is often attributed to declines in thermoregulatory function, little is …

[HTML][HTML] Heat shock increases levels of reactive oxygen species, autophagy and apoptosis

S Kassis, M Grondin, DA Averill-Bates - Biochimica et Biophysica Acta (BBA …, 2021 - Elsevier
Hyperthermia is a promising anticancer treatment used in combination with radiotherapy
and chemotherapy. Temperatures above 41.5° C are cytotoxic and hyperthermia treatments …

The intensity-dependent effects of exercise and superimposing environmental heat stress on autophagy in peripheral blood mononuclear cells from older men

JJ McCormick, MK McManus, KE King… - American Journal …, 2024 - journals.physiology.org
Autophagy is a vital cellular process, essential to maintaining cellular function during acute
physiological stressors including exercise and heat stress. We previously showed that …

[HTML][HTML] Mild heat shock at 40ºC increases levels of autophagy: role of Nrf2

M Grondin, C Chabrol, DA Averill-Bates - Cell Stress and Chaperones, 2024 - Elsevier
The exposure to low doses of stress induces an adaptive survival response that involves
upregulation of cellular defense systems such as heat shock proteins (Hsp), anti-apoptosis …

Brief ambient cooling preserves autophagy in peripheral blood mononuclear cells from older adults during 9 h of heat exposure

JJ McCormick, RD Meade, KE King… - Journal of Applied …, 2023 - journals.physiology.org
Heat waves can cause dangerous elevations in body temperature that can compromise
cellular function and increase the risk of heat stroke and major cardiovascular events …

Effect of extracellular hyperosmolality during normothermia and hyperthermia on the autophagic response in peripheral blood mononuclear cells from young men

JJ McCormick, KE King… - Journal of Applied …, 2022 - journals.physiology.org
Heat-stress-induced dehydration is associated with extracellular hyperosmolality. To
counteract the associated stress, cells employ cytoprotective mechanisms, including …