نتایج جستجو برای: klotho
تعداد نتایج: 1609 فیلتر نتایج به سال:
Aging is an inevitable and progressive biological process involving dysfunction and eventually destruction of every tissue and organ. This process is driven by a tightly regulated and complex interplay between genetic and acquired factors. Klotho is an antiaging gene encoding a single-pass transmembrane protein, klotho, which serves as an aging suppressor through a wide variety of mechanisms, s...
Klotho is a membrane protein predominantly produced in the kidney that exerts some antiageing effects. Ageing is associated with an increased risk of heart failure; whether Klotho is cardioprotective is unknown. Here we show that Klotho-deficient mice have no baseline cardiac abnormalities but develop exaggerated pathological cardiac hypertrophy and remodelling in response to stress. Cardioprot...
Klotho is a protein that exerts paracrine and endocrine functions. In chronic kidney disease (CKD), its expression is decreased in several tissues. This decrease probably plays important roles in various complications associated with CKD, in both a fibroblast growth factor-23 (FGF23)-dependent and an FGF23-independent manner. The clinical diagnosis of Klotho deficiency is not easy. The relevanc...
Klotho is a potential biomarker and therapeutic target in a model of acute kidney injury (AKI) induced in rats by ischemia-reperfusion injury. However, the sensitivity and specificity of serum Klotho for early detecting clinical AKI are unknown. This prospective study evaluated the significance of serum Klotho for early detection of postoperative AKI among adult patients undergoing cardiac valv...
In Greek mythology, Klotho spins the thread of life. In human biology, Klotho protein was so named when researchers discovered that mutations that interrupt its normal function result in a shorter thread of life that is attributable to accelerated aging.1 From its initial discovery, the kidney and its role in phosphate and calcium handling have been at the epicenter of the Klotho story. a, b, a...
This study demonstrated that klotho gene expression was significantly lower whereas miR-504 and phospho-IGF-1R levels were significantly higher in PDAC than in normal pancreatic tissues. miR-504 level significantly correlated with klotho mRNA and promoter methylation level in PDACs. Loss of Klotho protein expression, klotho promoter hypermethylation, high miR-504 levels, and high phospho-IGF-1R...
BACKGROUND Aging augments endotoxemic cardiac dysfunction, but the mechanism remains unclear. Anti-aging protein Klotho has been found to modulate tissue inflammatory responses. We tested the hypothesis that a reduced Klotho level in aging heart plays a role in the augmented endotoxemic cardiac dysfunction. MATERIALS AND METHODS Endotoxin (0.5 mg/kg, iv) was injected to adults (4-6 months) an...
BACKGROUND Membrane αKlotho (hereinafter called Klotho) is highly expressed in the kidney and functions as a coreceptor of FGF receptors (FGFRs) to activate specific fibroblast growth factor 23 (FGF23) signal pathway. FGF23 is produced in bones and participates in the maintenance of mineral homeostasis. The extracellular domain of transmembrane Klotho can be cleaved by secretases and released i...
The prevalence of arterial stiffness increases with age, whereas the level of the aging-suppressor protein klotho decreases with age. The objective of this study is to assess whether haplodeficiency of klotho gene causes arterial stiffness and to investigate the underlying mechanism. Pulse wave velocity, a direct measure of arterial stiffness, was increased significantly in klotho heterozygous ...
Klotho is a transmembranal protein highly expressed in the kidneys, choroid plexus, and anterior pituitary. Klotho can also be cleaved and shed and acts as a circulating hormone. Klotho-deficient mice (kl/kl mice) develop a phenotype resembling early aging. Several lines of evidence suggest a role for klotho in the regulation of growth hormone (GH) secretion. The kl/kl mice are smaller compared...
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