Oxidative stress augments chemoreflex sensitivity in rats exposed to chronic intermittent hypoxia

BJ Morgan, ML Bates, R Del Rio, Z Wang… - Respiratory physiology & …, 2016 - Elsevier
Chronic exposure to intermittent hypoxia (CIH) elicits plasticity of the carotid sinus and
phrenic nerves via reactive oxygen species (ROS). To determine whether CIH-induced …

Sensory plasticity of the carotid body: role of reactive oxygen species and physiological significance

NR Prabhakar - Respiratory physiology & neurobiology, 2011 - Elsevier
Recent studies have shown that acute intermittent hypoxia (IH) induces sensory plasticity of
the carotid body manifested as sensory long-term facilitation (LTF), which requires prior …

H2S production by reactive oxygen species in the carotid body triggers hypertension in a rodent model of sleep apnea

G Yuan, YJ Peng, SA Khan, J Nanduri, A Singh… - Science …, 2016 - science.org
Sleep apnea is a prevalent respiratory disease in which episodic cessation of breathing
causes intermittent hypoxia. Patients with sleep apnea and rodents exposed to intermittent …

Intermittent hypoxia augments acute hypoxic sensing via HIF-mediated ROS

NR Prabhakar, GK Kumar, J Nanduri - Respiratory physiology & …, 2010 - Elsevier
Carotid bodies and neonatal adrenal medullary chromaffin cells (AMC) respond rapidly to
acute hypoxia before compromising cellular functions. Responses to acute hypoxia are …

[HTML][HTML] Carotid body potentiation during chronic intermittent hypoxia: implication for hypertension

R Del Rio, EA Moya, R Iturriaga - Frontiers in physiology, 2014 - frontiersin.org
Autonomic dysfunction is involved in the development of hypertension in humans with
obstructive sleep apnea, and animals exposed to chronic intermittent hypoxia (CIH). It has …

Role of oxidative stress‐induced endothelin‐converting enzyme activity in the alteration of carotid body function by chronic intermittent hypoxia

YJ Peng, J Nanduri, G Raghuraman… - Experimental …, 2013 - Wiley Online Library
New findings• What is the central question of this study? What mechanisms mediate chronic
intermittent hypoxia‐induced increases in endothelin‐1 in the carotid body?• What is the …

Potential contribution of carotid body-induced sympathetic and renin-angiotensin system overflow to pulmonary hypertension in intermittent hypoxia

R Iturriaga, S Castillo-Galán - Current hypertension reports, 2019 - Springer
Abstract Purpose of Review Obstructive sleep apnea (OSA), featured by chronic intermittent
hypoxia (CIH), is an independent risk for systemic hypertension (HTN) and is associated …

Impact of repeated daily exposure to intermittent hypoxia and mild sustained hypercapnia on apnea severity

SS Yokhana, DG Gerst III, DS Lee… - Journal of Applied …, 2012 - journals.physiology.org
We examined whether exposure to intermittent hypoxia (IH) during wakefulness impacted on
the apnea/hypopnea index (AHI) during sleep in individuals with sleep apnea. Participants …

Sympathetic response to chemostimulation in conscious rats exposed to chronic intermittent hypoxia

J Huang, S Lusina, T Xie, E Ji, S Xiang, Y Liu… - Respiratory physiology …, 2009 - Elsevier
Exposure to cyclic intermittent hypoxia (CIH) is associated with elevated arterial pressure
and sustained sympathoexcitation, but the causes of the augmented sympathetic activity …

Expressions of angiotensin and cytokine receptors in the paracrine signaling of the carotid body in hypoxia and sleep apnea

ML Fung - Respiratory physiology & neurobiology, 2015 - Elsevier
Arterial chemoreceptors in the carotid body are central to the chemical control of breathing in
the chemotransduction of physiological stimuli in the arterial blood for eliciting the …