Evidence map›Paper›PMID 33866692›Full record

ArticleActa physiologica (Oxford, England)2021

Dietary influences on the Dahl SS rat gut microbiota and its effects on salt-sensitive hypertension and renal damage.

Justine M Abais-Battad, Fatima L Saravia, Hayley Lund, John Henry Dasinger, Daniel J Fehrenbach, Ammar J Alsheikh, Jeylan Zemaj, John R Kirby, David L Mattson

Open access · greenAbstract read
In one paragraph

Article in Acta physiologica (Oxford, England), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed
4.1field-weighted citation impact, top 5% 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

35 citing papers in PubMed, 47 citations in OpenAlex.

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  5. Animal models of hypertension and concurrent organs injury.Animal models and experimental medicine · 2025
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  6. Gut microbiome and bile acid changes after male rodent sleeve gastrectomy: what comes first?American journal of physiology. Regulatory, integrative and comparative physiology · 2025
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  7. Reutericyclin mitigates risperidone-induced suppression of anaerobic energy expenditure.American journal of physiology. Regulatory, integrative and comparative physiology · 2025
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  9. Recent advances on immunity and hypertension: the new cells on the kidney block.American journal of physiology. Renal physiology · 2025
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  14. Oxidative Stress in Kidney Injury and Hypertension.Antioxidants (Basel, Switzerland) · 2024
    Review
  15. Revisiting sex as a biological variable in hypertension research.The Journal of clinical investigation · 2024
    Review
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  19. Review
  20. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors at 1 institution in 1 country.

Justine M Abais-BattadDepartment of Physiology, Medical College of Georgia at Augusta University, Augusta, GA, USA.ORCID 0000-0001-5252-0903
Fatima L SaraviaDepartment of Microbiology & Immunology, Medical College of Wisconsin, Milwaukee, WI, USA.
Hayley LundDepartment of Physiology, Medical College of Wisconsin, Milwaukee, WI, USA.
John Henry DasingerDepartment of Physiology, Medical College of Georgia at Augusta University, Augusta, GA, USA.ORCID 0000-0001-6667-0427
Daniel J FehrenbachDepartment of Physiology, Medical College of Georgia at Augusta University, Augusta, GA, USA.ORCID 0000-0003-3382-464X
Ammar J AlsheikhDepartment of Physiology, Medical College of Wisconsin, Milwaukee, WI, USA.
Jeylan ZemajDepartment of Physiology, Medical College of Wisconsin, Milwaukee, WI, USA.
John R KirbyDepartment of Microbiology & Immunology, Medical College of Wisconsin, Milwaukee, WI, USA.
David L MattsonDepartment of Physiology, Medical College of Georgia at Augusta University, Augusta, GA, USA.ORCID 0000-0002-5401-0269
Medical College of Wisconsin · US

Funding

Therapeutic Effects of mTOR Inhibition in Salt-Sensitive HypertensionP01HL116264 · NHLBI · MEDICAL COLLEGE OF WISCONSIN · PI MATTSON, DAVID L. · 2013 to 2021
$18.7M
Mechanisms of renal immune cell infiltration in salt-sensitive hypertensionR01HL137748 · NHLBI · MEDICAL COLLEGE OF WISCONSIN · PI COWLEY, ALLEN W, MATTSON, DAVID L. · 2018 to 2021
$2.3M
Elucidating the role of the gut metagenome in hypertension.F31HL152495 · NHLBI · MEDICAL COLLEGE OF WISCONSIN · PI SARAVIA, FATIMA L · 2020 to 2021
$92k
NHLBI NIH HHS F31 HL152495NHLBI NIH HHS HL116264NHLBI NIH HHS HL137748NHLBI NIH HHS P01 HL116264NHLBI NIH HHS R01 HL137748
6 · The paper itself

Abstract

aimOur previous studies have demonstrated the importance of dietary factors in the determination of hypertension in Dahl salt-sensitive (SS) rats. Since the gut microbiota has been implicated in chronic diseases like hypertension, we hypothesized that dietary alterations shift the microbiota to mediate the development of salt-sensitive hypertension and renal disease.

methodsThis study utilized SS rats from the Medical College of Wisconsin (SS/MCW) maintained on a purified, casein-based diet (0.4% NaCl AIN-76A, Dyets) and from Charles River Laboratories (SS/CRL) fed a whole grain diet (0.75% NaCl 5L79, LabDiet). Faecal 16S rDNA sequencing was used to phenotype the gut microbiota. Directly examining the contribution of the gut microbiota, SS/CRL rats were administered faecal microbiota transfer (FMT) experiments with either SS/MCW stool or vehicle (Vehl) in conjunction with the HS AIN-76A diet.

resultsSS/MCW rats exhibit renal damage and inflammation when fed high salt (HS, 4.0% NaCl AIN-76A), which is significantly attenuated in SS/CRL. Gut microbiota phenotyping revealed distinct profiles that correlate with disease severity. SS/MCW FMT worsened the SS/CRL response to HS, evidenced by increased albuminuria (67.4 ± 6.9 vs 113.7 ± 25.0 mg/day, Vehl vs FMT, P = .007), systolic arterial pressure (158.6 ± 5.8 vs 177.8 ± 8.9 mmHg, Vehl vs FMT, P = .09) and renal T-cell infiltration (1.9-fold). Amplicon sequence variant (ASV)-based analysis of faecal 16S rDNA sequencing data revealed taxa that significantly shifted with FMT: Erysipelotrichaceae_2, Parabacteroides gordonii, Streptococcus alactolyticus, Bacteroidales_1, Desulfovibrionaceae_2, Ruminococcus albus.

conclusionsThese data demonstrate that dietary modulation of the gut microbiota directly contributes to the development of Dahl SS hypertension and renal injury.

Indexed as

Gastrointestinal MicrobiomeHypertensionAnimalsBacteroidetesBlood PressureDietKidneyRatsRats, Inbred DahlRuminococcusSodium ChlorideSodium Chloride, DietaryStreptococcusSodium ChlorideSodium Chloride, Dietarydietfaecal microbiota transfergut microbiotahypertensionimmune cells

Identifiers

PMID33866692
PMCPMC9835005
OpenAlexW3154339516

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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.