Aims: Carnosinase (CN1) polymorphisms have been linked to diabetic kidney disease (DKD), as CN1 degrades dipeptides which scavenge oxidative metabolites and prevent the formation of advanced glycation end-products. In this work, we studied the association between serum CN1, the systemic redox status and long-term renal outcome in type 1 diabetes.
Methods: Serum CN1 was measured in a prospective type 1 diabetes cohort ( = 218) with a 16-year follow-up. A total of 218 patients treated at the Diabetes Outpatient Clinic of the Weezenlanden Hospital (nowadays Isala Hospital, Zwolle, The Netherlands) were included in this analysis. We assessed whether serum CN1 was associated with renal function and development of DKD as well as other diabetic complications.
Results: At baseline, age, systemic redox status and N-terminal pro brain-natriuretic peptide (NT-proBNP) were associated with serum CN1 concentration ( < 0.05). During follow-up, CN1 concentration in the middle tertile was associated with less incident microalbuminuria (odds ratio = 0.194, 95% C.I.: 0.049-0.772, = 0.02) after adjustment for age, systemic redox status, NT-proBNP and sex.
Discussion: Serum CN1 could predict incident microalbuminuria and may be used as a novel parameter to identify patients at risk for DKD.
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http://dx.doi.org/10.1007/s40200-024-01422-6 | DOI Listing |
Cureus
October 2024
Department of Anesthesiology, Uniformed Services University of the Health Sciences, Bethesda, USA.
Clin Genitourin Cancer
December 2024
Department of Urology, UC San Diego Health System, San Diego, CA.
Mol Genet Metab
October 2024
Heidelberg University, Medical Faculty Heidelberg, Center for Pediatric and Adolescent Medicine, Department I, Division of Pediatric Neurology and Metabolic Medicine, 69120 Heidelberg, Germany. Electronic address:
Diagnosing Congenital Disorders of Glycosylation (CDG) is challenging due to clinical heterogeneity and the limited sensitivity of the classic serum transferrin isoelectric focusing (IEF) or capillary zone electrophoresis test. This study investigates the potential of using the glycoprotein carnosinase 1 (CN1) activity as a diagnostic marker for CDG patients. CN1 activity was measured photometrically in serum from 81 genetically confirmed CDG patients and healthy individuals.
View Article and Find Full Text PDFClin Kidney J
August 2024
Department of Internal Medicine, University of Genova, Genova, Italy.
Background: Acute kidney injury (AKI) during hospitalization is associated with increased complications and mortality. Despite efforts to standardize AKI management, its recognition in clinical practice is limited.
Methods: To assess and characterize different patterns of AKI diagnosis, we collected clinical data, serum creatinine (sCr) levels, comorbidities and outcomes from adult patients using the Hospital Discharge Form (HDF).
J Diabetes Metab Disord
June 2024
Department of Internal Medicine, University Medical Centre Groningen and University of Groningen, NL-9713 GZ Groningen, the Netherlands.
Aims: Carnosinase (CN1) polymorphisms have been linked to diabetic kidney disease (DKD), as CN1 degrades dipeptides which scavenge oxidative metabolites and prevent the formation of advanced glycation end-products. In this work, we studied the association between serum CN1, the systemic redox status and long-term renal outcome in type 1 diabetes.
Methods: Serum CN1 was measured in a prospective type 1 diabetes cohort ( = 218) with a 16-year follow-up.
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