Evidence map›Paper›PMID 30354709›Full record

ArticleHypertension (Dallas, Tex. : 1979)2018

CRHR2 (Corticotropin-Releasing Hormone Receptor 2) in the Nucleus of the Solitary Tract Contributes to Intermittent Hypoxia-Induced Hypertension.

Lei A Wang, Dianna H Nguyen, Steve W Mifflin

Open access · bronzeAbstract read
In one paragraph

Article in Hypertension (Dallas, Tex. : 1979), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
1.0field-weighted citation impact, top 30% of its field
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

15 citing papers in PubMed, 24 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Article
  5. Article
  6. Hypothalamic Corticotropin-Releasing Hormone Contributes to Hypertension in Spontaneously Hypertensive Rats.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2023
    Article
  7. Review
  8. Article
  9. Review
  10. Review
  11. Article
  12. Synaptic Inputs to the Mouse Dorsal Vagal Complex and Its Resident Preproglucagon Neurons.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2019
    Article
  13. The PVN enhances cardiorespiratory responses to acute hypoxia via input to the nTS.American journal of physiology. Regulatory, integrative and comparative physiology · 2019
    Article
  14. Article
  15. Hypoxia activates a neuropeptidergic pathway from the paraventricular nucleus of the hypothalamus to the nucleus tractus solitarii.American journal of physiology. Regulatory, integrative and comparative physiology · 2018
    Article
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

3 authors at 1 institution in 1 country.

Lei A WangFrom the Department of Physiology and Anatomy, University of North Texas Health Science Center, Fort Worth.
Dianna H NguyenFrom the Department of Physiology and Anatomy, University of North Texas Health Science Center, Fort Worth.
Steve W MifflinFrom the Department of Physiology and Anatomy, University of North Texas Health Science Center, Fort Worth.
University of North Texas · US

Funding

Neurohumoral Adaptations to Chronic Intermittent Hypoxia: Insights into the Pathophysiology of Sleep ApneaP01HL088052 · NHLBI · UNIVERSITY OF TEXAS HLTH SCIENCE CENTER · PI CUNNINGHAM, J THOMAS · 2008 to 2019
$18.8M
NHLBI NIH HHS P01 HL088052
6 · The paper itself

Abstract

This study tested the hypothesis that CRHRs (corticotropin-releasing hormone receptors) in the nucleus of the solitary tract (NTS) contribute to the hypertension induced by intermittent hypoxia (IH) exposure in rats. Initial studies using in situ hybridization revealed low mRNA level of CRHR1 (CRH type 1 receptor) but high mRNA level of CRHR2 (CRH type 2 receptor) in the NTS. Calcium imaging studies on NTS slice preparations using Fura-2-acetoxymethyl ester demonstrated that CRH induced a transient increase of intracellular calcium level. The CRH-induced calcium response was reproduced in the presence of TTX (tetrodotoxin) but was abolished by depletion of extracellular calcium or by the L-type calcium channel blocker Nifedipine. The CRH-induced calcium influx was attenuated by the CRHR2 antagonist K41498 but not by the CRHR1 antagonist NBI-35 965. Calcium influx can be induced by the CRHR2 agonist Urocortin II but not by the CRHR1 agonist Stressin 1. IH exposure did not affect CRHR1 mRNA level but significantly decreased CRHR2 mRNA level and the CRH-induced calcium influx in the NTS. Further in vivo studies showed that intra-fourth ventricle infusion of K41498 did not affect the basal blood pressure but significantly attenuated the IH-induced hypertension; intra-fourth ventricle infusion of Urocortin II significantly increased basal blood pressure and exacerbated the IH-induced hypertension. Collectively, these results suggest that CRHR2 in the NTS contributes to the IH-induced hypertension; downregulation of CRHR2 and CRHR2-mediated calcium influx in the NTS may serve as an adaptive response to protect against the IH-induced hypertension.

Indexed as

HypertensionHypoxiaAmphibian ProteinsAnimalsAutonomic Nervous SystemCalciumCalcium Channel BlockersCRF Receptor, Type 1NifedipinePeptide HormonesRatsReceptors, Corticotropin-Releasing HormoneSolitary NucleusUrocortinsAmphibian ProteinsCalciumCalcium Channel BlockersCRF Receptor, Type 1CRF receptor type 2NifedipinePeptide HormonesReceptors, Corticotropin-Releasing HormonesauvagineUrocortinsapneablood pressurecorticotropin-releasing hormonehypertensionhypoxia

Identifiers

PMID30354709
PMCPMC6205726
OpenAlexW2892127783

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

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.