Evidence map›Paper›PMID 35793989›Full record

ArticleInternational neurourology journal2022

Aging-Associated Changes in Oxidative Stress Negatively Impacts the Urinary Bladder Urothelium.

Mathijs M de Rijk, Amanda Wolf-Johnston, Aura F Kullmann, Stephanie Taiclet, Anthony J Kanai, Sruti Shiva, Lori A Birder

Open access · diamondAbstract read
In one paragraph

Article in International neurourology journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
5.1field-weighted citation impact, top 4% 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

17 citing papers in PubMed, 1 synthesis or guideline pooled it, 26 citations in OpenAlex.

  1. Pooled it
  2. Mitochondrial dysfunction in urologic disease.Prostate cancer and prostatic diseases · 2026
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  13. Real-Time Void Spot Assay.Journal of visualized experiments : JoVE · 2023
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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

7 authors at 2 institutions in 2 countries.

Mathijs M de RijkDepartment of Urology, School for Mental Health and Neuroscience, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands.
Amanda Wolf-JohnstonDepartment of Medicine, Renal-Electrolyte Division, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
Aura F KullmannDepartment of Medicine, Renal-Electrolyte Division, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
Stephanie TaicletDepartment of Medicine, Renal-Electrolyte Division, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
Anthony J KanaiDepartment of Medicine, Renal-Electrolyte Division, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
Sruti ShivaDepartment of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
Lori A BirderDepartment of Medicine, Renal-Electrolyte Division, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
University of Pittsburgh · USMaastricht University · NL

Funding

PNPase inhibition as an effective treatment for chronic bladder painR01DK135076 · NIDDK · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI BIRDER, LORI A, JACKSON, EDWIN KERRY · 2022 to 2025
$3.9M
Contribution of Stress Induced Autonomic and Urothelial Dysregulation to IC/BPSR01DK115476 · NIDDK · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI BIRDER, LORI A, RODRIGUEZ, LARISSA · 2018 to 2022
$3.5M
Bladder Mucosal Dysfunction During AgingR01AG056944 · NIA · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI APODACA, GERARD L, BIRDER, LORI A · 2018 to 2022
$3.2M
NIA NIH HHS R01 AG056944NIDDK NIH HHS R01 DK115476NIDDK NIH HHS R01 DK135076NIH HHS R01 AG056944
6 · The paper itself

Abstract

purposeLower urinary tract symptoms are known to significantly increase with age, negatively impacting quality of life and self-reliance. The urothelium fulfills crucial tasks, serving as a barrier protecting the underlying bladder tissue from the harsh chemical composition of urine, and exhibits signaling properties via the release of mediators within the bladder wall that affect bladder functioning. Aging is associated with detrimental changes in cellular health, in part by increasing oxidative stress in the bladder mucosa, and more specifically the urothelium. This, in turn, may impact urothelial mitochondrial health and bioenergetics.

methodsWe collected mucosal tissue samples from both young (3-4 months old) and aged (25-30 months old) rats. Tissue was evaluated for p21-Arc, nitrotyrosine, and cytochrome C expression by western immunoblotting. Urothelial cells were cultured for single-cell imaging to analyze basal levels of reactive oxygen species and the mitochondrial membrane potential. Mitochondrial bioenergetics and cellular respiration were investigated by the Seahorse assay, and measurements of adenosine triphosphate release were made using the luciferin-luciferase assay.

resultsAging was associated with a significant increase in biomarkers of cellular senescence, oxidative stress, and basal levels of reactive oxygen species. The mitochondrial membrane potential was significantly lower in urothelial cell cultures from aged animals, and cultures from aged animals showed a significant decrease in mitochondrial bioenergetics.

conclusionAging-related increases in oxidative stress and excessive reactive oxygen species may be contributing factors underlying lower urinary tract symptoms in older adults. The mechanisms outlined in this study could be utilized to identify novel pharmaceutical targets to improve aging-associated bladder dysfunction.

Indexed as

AgingLower urinary tract symptomsMitochondriaOxidative stressUrothelium

Identifiers

PMID35793989
PMCPMC9260322
OpenAlexW4283696709

What OpenQuestion holds

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LicenceCC BY-NC
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.