Evidence map›Paper›PMID 26884478›Full record

ArticlePhysiological reports2016

Contrasting effects of afferent and efferent vagal nerve stimulation on insulin secretion and blood glucose regulation.

Erin E Meyers, Ana Kronemberger, Vitor Lira, Kamal Rahmouni, Harald M Stauss

Abstract read
In one paragraph

Article in Physiological reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 69 papers.

0numbers the graph read from it
0cells of the map it votes in
69citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

69 citing papers in PubMed.

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9 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Erin E MeyersDepartment of Health and Human Physiology, The University of Iowa, Iowa City, Iowa.
Ana KronembergerDepartment of Health and Human Physiology, The University of Iowa, Iowa City, Iowa.
Vitor LiraDepartment of Health and Human Physiology, The University of Iowa, Iowa City, Iowa.
Kamal RahmouniDepartment of Pharmacology, The University of Iowa, Iowa City, Iowa.
Harald M StaussDepartment of Health and Human Physiology, The University of Iowa, Iowa City, Iowa harald-stauss@uiowa.edu.

Funding

Role of the brain Renin-Angiotensin Sys. in Cardiovas and Metabolic RegulationP01HL084207 · NHLBI · UNIVERSITY OF IOWA · PI SIGMUND, CURT DANIEL · 2007 to 2022
$30.2M
NHLBI NIH HHS HL084207NHLBI NIH HHS P01 HL084207
6 · The paper itself

Abstract

Parasympathetic activation reduces hepatic glucose release and increases pancreatic insulin secretion in hyperglycemic conditions. Thus, vagal nerve stimulation (VNS) may potentially be effective in treating type II diabetes. To investigate this possibility, we hypothesized that VNS reduces blood glucose concentration [Glu] via insulin secretion. [Glu] together with insulin and glucagon serum concentrations were determined in anesthetized rats during baseline conditions and 120 min of cervical VNS with the nerve left intact for combined afferent and efferent VNS (n = 9) or the nerve sectioned proximal or distal from the stimulation electrode for selective efferent (n = 8) or afferent (n = 7) VNS, respectively. Afferent VNS caused a strong and sustained increase in [Glu] (+108.9 ± 20.9% or +77.6 ± 15.4%, after 120 min of combined afferent and efferent VNS or selective afferent VNS) that was not accompanied by an increase in serum insulin concentration. However, serum insulin levels increased significantly with selective efferent VNS (+71.2 ± 27.0% after 120 min of VNS) that increased [Glu] only temporarily (+28.8 ± 11.7% at 30 min of VNS). Efferent VNS initially increased serum glucagon concentration which remained elevated for 120 min when efferent VNS was combined with afferent VNS, but returned to baseline with selective efferent VNS. These findings demonstrate that afferent VNS causes a marked and sustained increase in [Glu] that is partly mediated by suppression of pancreatic insulin secretion. In contrast, efferent VNS stimulates pancreatic glucagon secretion that appears to be antagonized by insulin secretion in the case of selective efferent VNS. Selective efferent VNS may potentially be effective in treating type II diabetes.

Indexed as

Afferent PathwaysAnimalsBlood GlucoseEfferent PathwaysGlucagonInsulinInsulin SecretionMaleParasympathetic Nervous SystemRatsRats, Sprague-DawleyVagus NerveVagus Nerve StimulationBlood GlucoseGlucagonInsulinBlood pressurediabetesglucagonheart raterats

Identifiers

PMID26884478
PMCPMC4759047

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.