ArticleAging cell2012
Klotho gene delivery suppresses Nox2 expression and attenuates oxidative stress in rat aortic smooth muscle cells via the cAMP-PKA pathway.
Article in Aging cell, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 75 papers.
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.
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.
Who cites it
75 citing papers in PubMed, 124 citations in OpenAlex.
- Effects of resveratrol supplementation on cardiac remodeling in hypertensive patients: a randomized controlled clinical trial.Hypertension research : official journal of the Japanese Society of Hypertension · 2023Trial
- Increased ATCell death & disease · 2020Trial
- Association Between the Uric Acid to High-Density Lipoprotein Ratio and Carotid Atherosclerosis in Patients with T2DM.Current medical science · 2025Article
- Upregulation of TLR-MYD88 signaling, stem cell genes, and Klotho mediates sepsis-associated myocardial inflammation.Molecular biology reports · 2025Article
- Involvement of ADAM17-Klotho Crosstalk in High Glucose-Induced Alterations of Podocyte Function.International journal of molecular sciences · 2025Article
- Article
- Oxidative Stress in Kidney Injury and Hypertension.Antioxidants (Basel, Switzerland) · 2024Review
- Klotho: molecular mechanisms and emerging therapeutics in central nervous system diseases.Molecular biology reports · 2024Review
- Relationship between uric acid to high-density cholesterol ratio (UHR) and circulating α-klotho: evidence from NHANES 2007-2016.Lipids in health and disease · 2024Article
- TNFα Induces DNA and Histone Hypomethylation and Pulmonary Artery Smooth Muscle Cell Proliferation Partly via Excessive Superoxide Formation.Antioxidants (Basel, Switzerland) · 2024Article
- Myocardial Expression of Pluripotency, Longevity, and Proinflammatory Genes in the Context of Hypercholesterolemia and Statin Treatment.Journal of clinical medicine · 2024Article
- Nonlinear relationship between serum Klotho and chronic kidney disease in US adults with metabolic syndrome.Frontiers in endocrinology · 2024Article
- Association of Klotho with Coronary Artery Disease in Subjects with Type 2 Diabetes Mellitus and Preserved Kidney Function: A Case-Control Study.International journal of molecular sciences · 2023Article
- Klotho: A new therapeutic target in diabetic retinopathy?World journal of diabetes · 2023Review
- Klotho, Oxidative Stress, and Mitochondrial Damage in Kidney Disease.Antioxidants (Basel, Switzerland) · 2023Review
- Association between serum Klotho concentration and hyperlipidemia in adults: a cross-sectional study from NHANES 2007-2016.Frontiers in endocrinology · 2023Article
- Association between perfluoroalkyl and polyfluoroalkyl internal exposure and serum α-Klotho levels in middle-old aged participants.Frontiers in public health · 2023Article
- Plasma S-Klotho level affects the risk of hyperuricemia in the middle-aged and elderly people.European journal of medical research · 2022Article
- Mechanosensitive Stem-Cell Genes and Klotho in Atherosclerotic Aortas: Regulating Spatially Deranged Expression Patterns Using Colchicine Regimens.Journal of clinical medicine · 2022Article
- Klotho Levels and Their Relationship with Inflammation and Survival among Alcoholic Patients.Biomolecules · 2022Article
15 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors at 2 institutions in 1 country.
Funding
Abstract
Klotho is a recently discovered anti-aging gene. The purpose of this study was to investigate whether klotho gene transfer attenuates superoxide production and oxidative stress in rat aorta smooth muscle (RASM) cells. RASM cells were transfected with AAV plasmids carrying mouse klotho full-length cDNA (mKL) or LacZ as a control. Klotho gene transfer increased klotho expression in RASM cells. Notably, klotho gene expression decreased Nox2 NADPH oxidase protein expression but did not affect Nox2 mRNA expression, suggesting that the inhibition may occur at the posttranscriptional level. Klotho gene transfer decreased intracellular superoxide production and oxidative stress in RASM cells. Klotho gene expression also significantly attenuated the angiotensin II (AngII)-induced superoxide production, oxidative damage, and apoptosis. Interestingly, klotho gene delivery dose dependently increased the intracellular cAMP level and PKA activity in RASM cells. Rp-cAMP, a competitive inhibitor of cAMP, abolished the klotho-induced increase in PKA activity, indicating that klotho activated PKA via cAMP. Notably, inhibition of cAMP-dependent PKA activity by RP-cAMP abolished klotho-induced inhibition of Nox2 protein expression, suggesting an important role of cAMP-dependent PKA in this process. This finding revealed a previously unidentified role of klotho in regulating Nox2 protein expression in RASM cells. Klotho not only downregulated Nox2 protein expression and intracellular superoxide production but also attenuated AngII-induced superoxide production, oxidative damage, and apoptosis. The klotho-induced suppression of Nox2 protein expression may be mediated by the cAMP-PKA pathway.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
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.