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Published on: June 2, 2022
Klotho connects intermedin1-53 to suppression of vascular calcification in chronic kidney disease
1Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA; Charles and Jane Pak Center for Mineral Metabolism and Clinical Research, University of Texas Southwestern Medical Center, Dallas, Texas, USA.
Insights
Intermedin1-53 protects against vascular calcification in chronic kidney disease (CKD) by increasing Klotho protein levels. This finding suggests intermedin1-53 as a potential therapeutic for CKD complications.
Area of Science:
- Nephrology
- Vascular Biology
- Biochemistry
Background:
- Vascular calcification is a major cause of mortality in chronic kidney disease (CKD).
- Klotho protein and intermedin1-53 are known to offer vascular protection in CKD.
- The interplay between Klotho and intermedin1-53 in CKD vascular calcification requires further elucidation.
Purpose of the Study:
- To investigate the role of intermedin1-53 in preventing vascular calcification in CKD.
- To determine if intermedin1-53 influences Klotho protein levels in CKD.
Main Methods:
- Utilized a rat model of chronic kidney disease.
- Administered intermedin1-53 to assess its effects on vascular calcification.
- Measured renal, vascular, and plasma levels of Klotho protein.
Main Results:
- Intermedin1-53 administration significantly reduced vascular calcification in CKD rats.
- Intermedin1-53 treatment led to increased levels of Klotho protein in the kidneys, vasculature, and plasma.
- A correlation was observed between elevated Klotho levels and reduced vascular calcification.
Conclusions:
- Intermedin1-53 demonstrates a protective effect against vascular calcification in the context of CKD.
- The mechanism involves the upregulation of Klotho protein by intermedin1-53.
- Intermedin1-53 presents a promising novel therapeutic candidate for managing vascular complications in CKD.
Abstract:
Vascular calcification is one of the leading causes of death in chronic kidney disease (CKD) patients. Klotho protein encoded by the anti-aging gene, Klotho, and intermedin1-53 have both been shown to protect the vasculature from calcification in CKD. The study by Chang and colleagues links Klotho and intermedin1-53 in prevention of vascular calcification in CKD by showing that intermedin1-53 increased renal, vascular, and plasma Klotho, and reduced vascular calcification in CKD rats. Intermedin1-53 may be a novel therapeutic agent for CKD.
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