ArticleThe Journal of clinical endocrinology and metabolism2020
Parathyroid Hormone and Plasma Phosphate Are Predictors of Soluble α-Klotho Levels in Adults of European Descent.
Article in The Journal of clinical endocrinology and metabolism, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.
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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.
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Who cites it
7 citing papers in PubMed, 1 synthesis or guideline pooled it, 21 citations in OpenAlex.
- Correlation between soluble klotho and chronic kidney disease-mineral and bone disorder in chronic kidney disease: a meta-analysis.Scientific reports · 2024Pooled it
- Association between methylmalonic acid and Alpha-Klotho in American adults: A cross-sectional study.PloS one · 2025Article
- The association between the triglyceride-glucose index and serum anti-aging protein α- Klotho: a population-based study.Diabetology & metabolic syndrome · 2024Article
- Association of urinary calcium excretion with chronic kidney disease in patients with type 2 diabetes.International urology and nephrology · 2024Article
- Association between testosterone and serum soluble α-klotho in U.S. males: a cross-sectional study.BMC geriatrics · 2022Article
- References Values of Soluble α-Klotho Serum Levels Using an Enzyme-Linked Immunosorbent Assay in Healthy Adults Aged 18-85 Years.Journal of clinical medicine · 2022Article
- The controversy of klotho as a potential biomarker in chronic kidney disease.Frontiers in pharmacology · 2022Review
Corrections and comments
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Authors and funding
17 authors at 6 institutions in 2 countries.
Funding
Abstract
contextα-klotho is an integral membrane protein that serves as a coreceptor for fibroblast growth factor 23 (FGF23) in conjunction with cognate fibroblast growth factor receptors. Proteolytic cleavage sheds the ectodomain of α-klotho (soluble α-klotho) as an endocrine substance into blood, urine, and cerebrospinal fluid.
objectiveTo study the relationship of soluble α-klotho to mineral metabolism in the general population with mainly preserved kidney function.
designCross-sectional analysis of the associations between soluble α-klotho with laboratory markers of markers of mineral metabolism in a population-based cohort.
settingThree centers in Switzerland including 1128 participants. MEASURES: Soluble full-length α-klotho levels by a specific immunoassay and markers of mineral metabolism.
resultsThe median serum level of soluble α-klotho was 15.0 pmol/L. Multivariable analyses using α-klotho as the outcome variable revealed a sex-by-PTH interaction: In men, PTH was positively associated with α-klotho levels, whereas this association was negative in women. Plasma phosphate associated with soluble α-klotho levels in an age-dependent manner, changing from a positive association in young adults gradually to a negative association in the elderly. The decline of 1,25 (OH)2 vitamin D3 levels in parallel to the gradual impairment of kidney function was greatly attenuated in the setting of high circulating soluble α-klotho levels.
conclusionsSoluble α-klotho level is associated with plasma phosphate in an age-dependent manner and with PTH in a sex-dependent manner. Furthermore, our data reveal soluble α-klotho as a modulator of 1,25 (OH)2 vitamin D3 levels in individuals with preserved renal function.
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