Evidence map›Paper›PMID 23144316›Full record

ArticleAmerican journal of physiology. Heart and circulatory physiology2013

Identification of a region of rat chromosome 1 that impairs the myogenic response and autoregulation of cerebral blood flow in fawn-hooded hypertensive rats.

Mallikarjuna R Pabbidi, Julio Juncos, Luis Juncos, Marija Renic, Hurtis J Tullos, Jozeph Lazar, Howard J Jacob, David R Harder, Richard J Roman

Abstract readComparative Study
In one paragraph

Article in American journal of physiology. Heart and circulatory physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
1.4field-weighted citation impact, top 18% 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

16 citing papers in PubMed, 19 citations in OpenAlex.

  1. Review
  2. Article
  3. Mechanisms of cognitive dysfunction in CKD.Nature reviews. Nephrology · 2020
    Review
  4. A Mutation inJournal of the American Society of Nephrology : JASN · 2020
    Article
  5. Article
  6. Cerebral microhemorrhages: mechanisms, consequences, and prevention.American journal of physiology. Heart and circulatory physiology · 2017
    Review
  7. Article
  8. Cerebral Autoregulation in Hypertension and Ischemic Stroke: A Mini Review.Journal of pharmaceutical sciences and experimental pharmacology · 2017
    Article
  9. Article
  10. Endocannabinoids in cerebrovascular regulation.American journal of physiology. Heart and circulatory physiology · 2016
    Review
  11. Renal autoregulation in health and disease.Physiological reviews · 2015
    Review
  12. Impaired myogenic response and autoregulation of cerebral blood flow is rescued in CYP4A1 transgenic Dahl salt-sensitive rat.American journal of physiology. Regulatory, integrative and comparative physiology · 2015
    Article
  13. Article
  14. Interleukin-1 and acute brain injury.Frontiers in cellular neuroscience · 2015
    Review
  15. Article
  16. 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

9 authors at 2 institutions in 1 country.

Mallikarjuna R PabbidiHuman and Molecular Genetics Center, Milwaukee, WI, USA.
Julio Juncos
Luis Juncos
Marija Renic
Hurtis J Tullos
Jozeph Lazar
Howard J Jacob
David R Harder
Richard J Roman
University of Mississippi Medical Center · USMedical College of Wisconsin · US

Funding

20-HETE-TGF-beta in Hypertension-Induced Renal InjuryR37HL036279 · NHLBI · UNIVERSITY OF MISSISSIPPI MED CTR · PI ROMAN, RICHARD J. · 2005 to 2014
$4.0M
Autoregulation of Cerebral Blood FlowR01HL105997 · NHLBI · MEDICAL COLLEGE OF WISCONSIN · PI HARDER, DAVID RAE · 2012 to 2015
$2.4M
VASA RECTA HEMODYNAMICS IN GENETIC HYPERTENSIONR01HL036279 · NHLBI · MEDICAL COLLEGE OF WISCONSIN · PI ROMAN, RICHARD J. · 1986 to 2004
$1.3M
NHLBI NIH HHS HL-036279NHLBI NIH HHS HL-105997NHLBI NIH HHS R01 HL105997NHLBI NIH HHS R37 HL036279NIDDK NIH HHS DK-079309
6 · The paper itself

Abstract

This study examined the effects of transfer of a 2.4-Mbp region of rat chromosome 1 (RNO1) from Brown Norway (BN) into fawn-hooded hypertensive (FHH) rats on autoregulation (AR) of cerebral blood flow (CBF) and the myogenic response of middle cerebral arteries (MCAs). AR of CBF was poor in FHH and FHH.1(BN) AR(-) congenic strains that excluded the critical 2.4-Mbp region. In contrast, AR was restored in FHH.1(BN) AR(+) congenic strains that included this region. The diameter of MCAs of FHH rats increased from 140 ± 14 to 157 ± 18 μm when transmural pressure was increased from 40 to 140 mmHg, but it decreased from 137 ± 5 to 94 ± 7 μm in FHH.1(BN) AR(+) congenic strains. Transient occlusion of MCAs reduced CBF by 80% in all strains. However, the hyperemic response following ischemia was significantly greater in FHH and AR(-) rats than that seen in AR(+) congenic strains (AR(-), 173 ± 11% vs. AR(+), 124 ± 5%). Infarct size and edema formation were also significantly greater in an AR(-) strain (38.6 ± 2.6 and 12.1 ± 2%) than in AR(+) congenic strains (27.6 ± 1.8 and 6.5 ± 0.9%). These results indicate that there is a gene in the 2.4-Mbp region of RNO1 that alters the development of myogenic tone in cerebral arteries. Transfer of this region from BN to FHH rats restores AR of CBF and vascular reactivity and reduces cerebral injury after transient occlusion and reperfusion of the MCA.

Indexed as

Chromosomes, MammalianAnimalsAnimals, CongenicBlood PressureBrain EdemaCerebrovascular CirculationDisease Models, AnimalGenetic Predisposition to DiseaseGene Transfer TechniquesHomeostasisHypertensionInfarction, Middle Cerebral ArteryMaleMiddle Cerebral ArteryMuscle, Smooth, VascularPhenotype

Identifiers

PMID23144316
PMCPMC3543673
OpenAlexW2110815158

What OpenQuestion holds

Textmetadata
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.