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Lactoferrin in Pediatric Chronic Kidney Disease and Its Relationship with Cardiovascular Risk
Chun-Yi Ho1,2, Pei-Chen Lu1, Wei-Ling Chen1
1Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan.
Insights
Lactoferrin (LF) may help detect early cardiovascular disease (CVD) in children with chronic kidney disease (CKD). Lower LF levels correlate with increased arterial stiffness and blood pressure abnormalities, suggesting LF
Area of Science:
- Pediatric Nephrology
- Cardiovascular Research
- Biomarker Discovery
Background:
- Children with chronic kidney disease (CKD) face a heightened risk of cardiovascular disease (CVD).
- Subclinical CVD in pediatric CKD can be identified using carotid intima-media thickness (cIMT), ambulatory blood pressure monitoring (ABPM), and arterial stiffness indices.
- Lactoferrin (LF), a glycoprotein in breast milk, is being investigated for its potential role and as a biomarker in various diseases.
Purpose of the Study:
- To investigate the relationship between lactoferrin (LF) levels and cardiovascular (CV) risk markers in children with CKD.
- To explore LF's potential as a biomarker for subclinical CVD in pediatric CKD.
Main Methods:
- Study included 102 children diagnosed with CKD stages G1-G4.
- Evaluated LF concentration in relation to CKD severity, causes, overweight/obesity, cIMT, arterial stiffness, and ABPM profiles.
Main Results:
- LF concentration was not associated with CKD severity or cause but correlated positively with overweight/obesity.
- Lower LF levels were linked to increased cIMT and arterial stiffness.
- Sixty percent of children with CKD exhibited ABPM abnormalities, with low LF associated with nighttime hypertension and nocturnal non-dipping.
Conclusions:
- Lactoferrin (LF) demonstrates potential as a biomarker for detecting subclinical cardiovascular disease (CVD) in pediatric chronic kidney disease (CKD).
- Early detection using LF could facilitate timely interventions, improving long-term cardiovascular outcomes in children with CKD.
- Further research is necessary to elucidate the underlying mechanisms connecting LF and cardiovascular health in pediatric CKD.
Background:
Pediatric CKD is associated with a high risk of cardiovascular disease (CVD). Early detection of subclinical CVD in childhood CKD can be achieved through various cardiovascular (CV) assessments, including carotid intima-media thickness (cIMT), ambulatory blood pressure monitoring (ABPM), and arterial stiffness indices. Lactoferrin (LF), a key functional glycoprotein found in breast milk, has been linked to several diseases and has potential as a biomarker.
Methods:
In our study of 102 children with CKD stages G1-G4, we explored the relationship between LF and CV risk markers.
Results:
We found that LF concentration was not related to the severity or underlying causes of childhood CKD, but was positively correlated with overweight/obesity. Lower LF levels were correlated with increased cIMT and elevated arterial stiffness indices. Notably, abnormalities in ABPM profiles were observed in up to 60% of the children with CKD, with low LF levels linked to nighttime hypertension, nocturnal non-dipping, and ABPM abnormalities.
Conclusions:
In conclusion, LF shows promise as a biomarker for detecting subclinical CVD in children with CKD. Its potential utility in early detection could be instrumental in guiding timely interventions and improving long-term CV outcomes, although further research is needed to clarify the underlying mechanisms.
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