Evidence map›Paper›PMID 22184057›Full record

ArticleInternational journal of obesity (2005)2012

Role of mineralocorticoid receptor/Rho/Rho-kinase pathway in obesity-related renal injury.

H Tokuyama, S Wakino, Y Hara, N Washida, K Fujimura, K Hosoya, K Yoshioka, K Hasegawa, H Minakuchi, K Homma and 2 more

Open access · hybridAbstract read
In one paragraph

Article in International journal of obesity (2005), 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
1.6field-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

19 citing papers in PubMed, 38 citations in OpenAlex.

  1. Review
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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

12 authors at 1 institution in 1 country.

H TokuyamaDepartment of Internal Medicine, School of Medicine, Keio University, Tokyo, Japan.
S Wakino
Y Hara
N Washida
K Fujimura
K Hosoya
K Yoshioka
K Hasegawa
H Minakuchi
K Homma
K Hayashi
H Itoh
Keio University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveWe examined whether aldosterone/Rho/Rho-kinase pathway contributed to obesity-associated nephropathy. SUBJECTS: C57BL/6J mice were fed a high fat or low fat diet, and mice on a high fat diet were treated with a mineralocorticoid receptor antagonist, eplerenone.

resultsThe mice on a high fat diet not only developed obesity, but also manifested renal histological changes, including glomerular hypercellularity and increased mesangial matrix, which paralleled the increase in albuminuria. Furthermore, enhanced Rho-kinase activity was noted in kidneys from high fat diet-fed mice, as well as increased expressions of inflammatory chemokines. All of these changes were attenuated by eplerenone. In high fat diet-fed mice, mineralocorticoid receptor protein levels in the nuclear fraction and SGK1, an effector of aldosterone, were upregulated in kidneys, although serum aldosterone levels were unaltered. Furthermore, aldosterone and 3β-hydroxysteroid dehydrogenase in renal tissues were upregulated in high fat diet-fed mice. Finally, in cultured mesangial cells, stimulation with aldosterone enhanced Rho-kinase activity, and pre-incubation with eplerenone prevented the aldosterone-induced activation of Rho kinase.

conclusionExcess fat intake causes obesity and renal injury in C57BL/6J mice, and these changes are mediated by an enhanced mineralocorticoid receptor/Rho/Rho-kinase pathway and inflammatory process. Mineralocorticoid receptor activation in the kidney tissue and the subsequent Rho-kinase stimulation are likely to participate in the development of obesity-associated nephropathy without elevation in serum aldosterone levels.

Indexed as

AnimalsChemokine CCL2Diet, Fat-RestrictedDiet, High-FatEplerenoneGene Expression RegulationImmunohistochemistryKidneyMaleMiceMice, Inbred C57BLMineralocorticoid Receptor AntagonistsObesityOxidative Stressrho-Associated KinasesSignal TransductionCcl2 protein, mouseChemokine CCL2EplerenoneMineralocorticoid Receptor Antagonistsrho-Associated KinasesSpironolactoneTumor Necrosis Factor-alpha

Identifiers

PMID22184057
PMCPMC3419977
OpenAlexW1990761355

What OpenQuestion holds

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LicenceCC BY-NC-ND
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.