Carotid body chemoreceptors: physiology, pathology, and implications for health and disease

R Iturriaga, J Alcayaga, MW Chapleau… - Physiological …, 2021 - journals.physiology.org
The carotid body (CB) is the main peripheral chemoreceptor for arterial respiratory gases O2
and CO2 and pH, eliciting reflex ventilatory, cardiovascular, and humoral responses to …

Neuroinflammation in heart failure: new insights for an old disease

HS Díaz, C Toledo, DC Andrade… - The Journal of …, 2020 - Wiley Online Library
Heart failure (HF) is a complex clinical syndrome affecting roughly 26 million people
worldwide. Increased sympathetic drive is a hallmark of HF and is associated with disease …

Cardiac diastolic and autonomic dysfunction are aggravated by central chemoreflex activation in heart failure with preserved ejection fraction rats

C Toledo, DC Andrade, C Lucero… - The Journal of …, 2017 - Wiley Online Library
Key points Heart failure with preserved ejection fraction (HFpEF) is associated with
disordered breathing patterns, and sympatho‐vagal imbalance. Although it is well accepted …

Exercise training improves cardiac autonomic control, cardiac function, and arrhythmogenesis in rats with preserved-ejection fraction heart failure

DC Andrade, A Arce-Alvarez… - Journal of Applied …, 2017 - journals.physiology.org
Chronic heart failure is characterized by autonomic imbalance, cardiac dysfunction, and
arrhythmogenesis. It has been shown that exercise training (ExT) improves central nervous …

Variable role of carotid bodies in cardiovascular responses to exercise, hypoxia and hypercapnia in spontaneously hypertensive rats

W Pijacka, PL Katayama, HC Salgado… - The Journal of …, 2018 - Wiley Online Library
Key points Carotid bodies play a critical role in maintaining arterial pressure during hypoxia
and this has important implications when considering resection therapy of the carotid body …

Glial EAAT2 regulation of extracellular nTS glutamate critically controls neuronal activity and cardiorespiratory reflexes

MP Matott, DD Kline, EM Hasser - The Journal of physiology, 2017 - Wiley Online Library
Key points Excitatory amino acid transporter 2 (EAAT2) is present on astrocytes in the
nucleus tractus solitarii (nTS), an important nucleus in cardiorespiratory control. Its specific …

Ablation of brainstem C1 neurons improves cardiac function in volume overload heart failure

DC Andrade, C Toledo, HS Díaz, C Lucero… - Clinical …, 2019 - portlandpress.com
Activation of the sympathetic nervous system is a hallmark of heart failure (HF) and is
positively correlated with disease progression. Catecholaminergic (C1) neurons located in …

Episodic stimulation of central chemoreceptor neurons elicits disordered breathing and autonomic dysfunction in volume overload heart failure

HS Díaz, DC Andrade, C Toledo… - … of Physiology-Lung …, 2020 - journals.physiology.org
Enhanced central chemoreflex (CC) gain is observed in volume overload heart failure (HF)
and is correlated with autonomic dysfunction and breathing disorders. The aim of this study …

Evaluating the carotid bodies and renal nerves as therapeutic targets for hypertension

FD McBryde, EC Hart, R Ramchandra… - Autonomic …, 2017 - Elsevier
Despite the plethora of current treatment options, hypertension remains a difficult condition
to adequately control, and there is a pressing need for novel therapeutic strategies. The …

Acute oxygen sensing by the carotid body: from mitochondria to plasma membrane

AJ Chang - Journal of Applied Physiology, 2017 - journals.physiology.org
Maintaining oxygen homeostasis is crucial to the survival of animals. Mammals respond
acutely to changes in blood oxygen levels by modulating cardiopulmonary function. The …