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  4. Rostral ventrolateral medullary catecholaminergic neurones mediate irregular breathing pattern in volume overload heart failure rats.

Rostral ventrolateral medullary catecholaminergic neurones mediate irregular breathing pattern in volume overload heart failure rats.

Toledo C, Andrade DC, Díaz HS, Pereyra KV, Schwarz KG, Díaz-Jara E, Oliveira LM, Takakura AC, Moreira TS, Schultz HD, Marcus NJ, Del Rio R (2019) Rostral ventrolateral medullary catecholaminergic neurones mediate irregular breathing pattern in volume overload heart failure rats. J Physiol 597(24):5799-5820. doi: 10.1113/JP278845

Objective: To investigate the potential contribution of RVLM‐C1 neurons to irregular breathing.

Summary: Findings suggest that RVLM‐C1 neurons play a pivotal role in breathing irregularities in volume overload HF, and mediate the sympathetic responses induced by acute central chemoreflex activation.

Usage: Anti-DBH-SAP was used to selectively lesion RVLM‐C1 neurons. Reduction (∼65%) of RVLM‐C1 neurons resulted in attenuation of irregular breathing, decreased apnea‐hypopnea incidence and improved cardiac autonomic control.

Related Products: Anti-DBH-SAP (Cat. #IT-03)