Hemoglobin and cerebral hypoxic vasodilation in humans: Evidence for nitric oxide-dependent and S-nitrosothiol mediated signal transduction
RL Hoiland, DB MacLeod, BS Stacey… - Journal of Cerebral …, 2023 - journals.sagepub.com
Cerebral hypoxic vasodilation is poorly understood in humans, which undermines the
development of therapeutics to optimize cerebral oxygen delivery. Across four investigations …
development of therapeutics to optimize cerebral oxygen delivery. Across four investigations …
Lifelong exposure to high‐altitude hypoxia in humans is associated with improved redox homeostasis and structural–functional adaptations of the neurovascular unit
BS Stacey, RL Hoiland, HG Caldwell… - The Journal of …, 2023 - Wiley Online Library
High‐altitude (HA) hypoxia may alter the structural–functional integrity of the neurovascular
unit (NVU). Herein, we compared male lowlanders (n= 9) at sea level (SL) and after 14 days …
unit (NVU). Herein, we compared male lowlanders (n= 9) at sea level (SL) and after 14 days …
Highs and lows of sympathetic neurocardiovascular transduction: influence of altitude acclimatization and adaptation
LF Berthelsen, GM Fraser… - American Journal …, 2020 - journals.physiology.org
High-altitude (> 2,500 m) exposure results in increased muscle sympathetic nervous activity
(MSNA) in acclimatizing lowlanders. However, little is known about how altitude affects …
(MSNA) in acclimatizing lowlanders. However, little is known about how altitude affects …
Global REACH 2018: the adaptive phenotype to life with chronic mountain sickness and polycythaemia
AB Hansen, G Moralez, SB Amin… - The Journal of …, 2021 - Wiley Online Library
Key points Humans suffering from polycythaemia undergo multiple circulatory adaptations
including changes in blood rheology and structural and functional vascular adaptations to …
including changes in blood rheology and structural and functional vascular adaptations to …
Global REACH 2018: volume regulation in high-altitude Andeans with and without chronic mountain sickness
The high-altitude maladaptation syndrome known as chronic mountain sickness (CMS) is
characterized by polycythemia and is associated with proteinuria despite unaltered …
characterized by polycythemia and is associated with proteinuria despite unaltered …
Global REACH 2018: dysfunctional extracellular microvesicles in Andean highlander males with excessive erythrocytosis
High altitude-related excessive erythrocytosis (EE) is associated with increased
cardiovascular risk. The experimental aim of this study was to determine the effects of …
cardiovascular risk. The experimental aim of this study was to determine the effects of …
Global REACH 2018: increased adrenergic restraint of blood flow preserves coupling of oxygen delivery and demand during exercise at high‐altitude
AB Hansen, G Moralez, SB Amin… - The Journal of …, 2022 - Wiley Online Library
Chronic exposure to hypoxia (high‐altitude, HA;> 4000 m) attenuates the vasodilatory
response to exercise and is associated with a persistent increase in basal sympathetic nerve …
response to exercise and is associated with a persistent increase in basal sympathetic nerve …
Global REACH 2018: High Altitude-Related Circulating Extracellular Microvesicles Promote a Proinflammatory Endothelial Phenotype In Vitro
Brewster, L. Madden, Anthony R. Bain, Vinicius P. Garcia, Noah M. DeSouza, Michael M.
Tymko, Jared J. Greiner, and Philip N. Ainslie. Global REACH 2018: high altitude-related …
Tymko, Jared J. Greiner, and Philip N. Ainslie. Global REACH 2018: high altitude-related …
Acid-base balance at high altitude in lowlanders and indigenous highlanders
MM Tymko, CK Willie, CA Howe… - Journal of Applied …, 2022 - journals.physiology.org
High-altitude exposure results in a hyperventilatory-induced respiratory alkalosis followed
by renal compensation (bicarbonaturia) to return arterial blood pH (pHa) toward sea-level …
by renal compensation (bicarbonaturia) to return arterial blood pH (pHa) toward sea-level …
GLOBAL REACH 2018: intra‐arterial vitamin C improves endothelial‐dependent vasodilatory function in humans at high altitude
RM Stone, PN Ainslie, JC Tremblay… - The Journal of …, 2022 - Wiley Online Library
High altitude‐induced hypoxaemia is often associated with peripheral vascular dysfunction.
However, the basic mechanism (s) underlying high‐altitude vascular impairments remains …
However, the basic mechanism (s) underlying high‐altitude vascular impairments remains …