Acute sub-diaphragmatic anterior vagus nerve stimulation increases peripheral glucose uptake in anaesthetized rats

Autor: C.W. Hoornenborg, T.H. van Dijk, J.E. Bruggink, A.P. van Beek, G. van Dijk
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: IBRO Neuroscience Reports, Vol 15, Iss , Pp 50-56 (2023)
Druh dokumentu: article
ISSN: 2667-2421
DOI: 10.1016/j.ibneur.2023.06.005
Popis: The sub-diaphragmatic vagus innervates various organs involved in the control of glucose homeostasis including the liver, pancreas and the intestines. In the current study, we investigated the effect of acute electrical stimulation of the anterior trunk of the sub-diaphragmatic vagus on glucose fluxes in anaesthetized adult male rats.After overnight fast, rats underwent either vagus nerve stimulation (VNS+, n = 11; rectangular pulses at 5 Hz, 1.5 mA, 1 msec pulse width) or sham stimulation (VNS-; n = 11) for 120 min under isoflurane anesthesia. Before stimulation, the rats received an i.v. bolus of 1 mL/kg of a sterilized aqueous solution containing 125 mg/mL of D-[6,6-2H2] glucose. Endogenous glucose production (EGP) and glucose clearance rate (GCR) were calculated by kinetic analysis from the wash-out of injected D-[6,6–2H2]glucose from the circulation.VNS+ resulted in lower glucose levels compared to the VNS- group (p
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