Evidence map›Paper›PMID 24906918›Full record

ArticleAmerican journal of physiology. Heart and circulatory physiology2014

And the beat goes on: maintained cardiovascular function during aging in the longest-lived rodent, the naked mole-rat.

Kelly M Grimes, Anilkumar K Reddy, Merry L Lindsey, Rochelle Buffenstein

Open access · greenAbstract readComparative Study
In one paragraph

Article in American journal of physiology. Heart and circulatory physiology, 2014. 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
1.8field-weighted citation impact, top 17% 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, 61 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Resistance to age-related hypercoagulability: insights from the naked mole rat.Research and practice in thrombosis and haemostasis · 2026
    Article
  5. Review
  6. Article
  7. Harnessing Evolution and Biomimetics to Enhance Planetary Health: Kidney Insights.Journal of the American Society of Nephrology : JASN · 2025
    Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Review
  13. Review
  14. Review
  15. Article
  16. Nontraditional systems in aging research: an update.Cellular and molecular life sciences : CMLS · 2021
    Review
  17. Article
  18. Review
  19. Vascular Stiffness in Aging and Disease.Frontiers in physiology · 2021
    Review
  20. 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

4 authors at 3 institutions in 1 country.

Kelly M GrimesDepartment of Physiology and the Sam and Ann Barshop Institute for Aging and Longevity Studies, The University of Texas Health Science Center at San Antonio, San Antonio, Texas;
Anilkumar K ReddySection of Cardiovascular Research, Department of Medicine, Baylor College of Medicine, Houston, Texas; Indus Instruments, Webster, Texas;
Merry L LindseyMississippi Center for Heart Research, Department of Physiology and Biophysics, University of Mississippi Medical Center and Research Service, G.V. (Sonny) Montgomery Veterans Affairs Medical Center, Jackson, Mississippi.
Rochelle BuffensteinDepartment of Physiology and the Sam and Ann Barshop Institute for Aging and Longevity Studies, The University of Texas Health Science Center at San Antonio, San Antonio, Texas; Buffenstein@UTHSCSA.edu.
The University of Texas Health Science Center at San Antonio · USBaylor College of Medicine · USUniversity of Mississippi Medical Center · US

Funding

TRAINING GRANT ON THE BIOLOGY OF AGINGT32AG021890 · NIA · UNIVERSITY OF TEXAS HLTH SCIENCE CENTER · PI Erzsebet Kokovay, JAMES FLOYD NELSON · 2003 to 2026
$11.4M
The Role of Macrophage-derived MMPs in LV RemodelingR01HL075360 · NHLBI · UNIVERSITY OF TEXAS HLTH SCIENCE CENTER · PI LINDSEY, MERRY L. · 2004 to 2018
$5.4M
Neutrophil Polarization Following Myocardial InfarctionI01BX000505 · VA · VETERANS HEALTH ADMINISTRATION · PI LINDSEY, MERRY L. · 2009 to 2024
–
BLRD VA I01 BX000505NHLBI NIH HHS HHSN268201000036CNHLBI NIH HHS HL-075360NHLBI NIH HHS N01-HV-00244NIA NIH HHS T32 AG021890
6 · The paper itself

Abstract

The naked mole-rat (NMR) is the longest-lived rodent known, with a maximum lifespan potential (MLSP) of >31 years. Despite such extreme longevity, these animals display attenuation of many age-associated diseases and functional changes until the last quartile of their MLSP. We questioned if such abilities would extend to cardiovascular function and structure in this species. To test this, we assessed cardiac functional reserve, ventricular morphology, and arterial stiffening in NMRs ranging from 2 to 24 years of age. Dobutamine echocardiography (3 μg/g ip) revealed no age-associated changes in left ventricular (LV) function either at baseline or with exercise-like stress. Baseline and dobutamine-induced LV pressure parameters also did not change. Thus the NMR, unlike other mammals, maintains cardiac reserve with age. NMRs showed no cardiac hypertrophy, evidenced by no increase in cardiomyocyte cross-sectional area or LV dimensions with age. Age-associated arterial stiffening does not occur since there are no changes in aortic blood pressures or pulse-wave velocity. Only LV interstitial collagen deposition increased 2.5-fold from young to old NMRs (P < 0.01). However, its effect on LV diastolic function is likely minor since NMRs experience attenuated age-related increases in diastolic dysfunction in comparison with other species. Overall, these findings conform to the negligible senescence phenotype, as NMRs largely stave off cardiovascular changes for at least 75% of their MLSP. This suggests that using a comparative strategy to find factors that change with age in other mammals but not NMRs could provide novel targets to slow or prevent cardiovascular aging in humans.

Indexed as

Heart RateVentricular Function, LeftAge FactorsAgingAnimalsAortaArterial PressureCollagenComplianceEchocardiography, StressFemaleHeartLongevityMaleMole RatsMyocardiumCollagenarterial stiffnesscardiac reservecardiovascular agingnaked mole-ratnegligible senescence

Identifiers

PMID24906918
PMCPMC4121653
OpenAlexW2001172802

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.