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Human uraemic serum displays calcific potential in vitro that increases with advancing chronic kidney disease. / Patidar, Ashish; Singh, Dhruv; Winocour, Peter; Farrington, Ken; Baydoun, A. R.

In: Clinical Science, Vol. 125, 03.2013, p. 237-245.

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Patidar, Ashish ; Singh, Dhruv ; Winocour, Peter ; Farrington, Ken ; Baydoun, A. R. / Human uraemic serum displays calcific potential in vitro that increases with advancing chronic kidney disease. In: Clinical Science. 2013 ; Vol. 125. pp. 237-245.

Bibtex

@article{6a945fc0c1674739889a5f5ba162b66e,
title = "Human uraemic serum displays calcific potential in vitro that increases with advancing chronic kidney disease",
abstract = "Vascular calcification strongly correlates with declining renal function and contributes to the high morbidity and mortality of patients with chronic kidney disease (CKD). It is closely regulated by circulating factors but little is known about the potential of serum from patients to induce calcification outside the disease setting – the calcific potential of serum. We have therefore examined the ability of serum from age- and sex-matched subjects with and without advancing CKD to induce calcification of cultured smooth muscle cells. Samples from patients with CKD induced significant calcification compared with controls. More importantly, samples from patients on haemodialysis induced significantly higher calcification than those with moderate or advanced CKD. The calcification induced by the latter two but not those on haemodialysis could be enhanced with calcium chloride and β-glycerophosphate. A positive correlation was evident between measured serum creatinine, phosphate, parathyroid hormone, osteoprotegerin and the degree of calcification in vitro. Estimated glomerular filtration rate, diastolic blood pressure, haemoglobin and serum albumin correlated negatively. Stepwise multivariate analysis of log-transformed calcific potential data highlighted serum creatinine, albumin and osteoprotegerin as significant predictors, explaining around 50% of the variation. Thus, other regulators either not investigated or as yet unidentified, may contribute to the calcification potential of serum in vitro. Furthermore, uremic serum can induce graded calcification outside of the disease milieu that reflects the degree of kidney impairment in vivo. These findings could have important clinical relevance in terms of developing novel diagnostic and/or therapeutic strategies for subjects with CKD.",
author = "Ashish Patidar and Dhruv Singh and Peter Winocour and Ken Farrington and Baydoun, {A. R.}",
year = "2013",
month = mar,
doi = "10.1042/CS20120638",
language = "English",
volume = "125",
pages = "237--245",
journal = "Clinical Science",
issn = "0143-5221",
publisher = "Portland Press Ltd.",

}

RIS

TY - JOUR

T1 - Human uraemic serum displays calcific potential in vitro that increases with advancing chronic kidney disease

AU - Patidar, Ashish

AU - Singh, Dhruv

AU - Winocour, Peter

AU - Farrington, Ken

AU - Baydoun, A. R.

PY - 2013/3

Y1 - 2013/3

N2 - Vascular calcification strongly correlates with declining renal function and contributes to the high morbidity and mortality of patients with chronic kidney disease (CKD). It is closely regulated by circulating factors but little is known about the potential of serum from patients to induce calcification outside the disease setting – the calcific potential of serum. We have therefore examined the ability of serum from age- and sex-matched subjects with and without advancing CKD to induce calcification of cultured smooth muscle cells. Samples from patients with CKD induced significant calcification compared with controls. More importantly, samples from patients on haemodialysis induced significantly higher calcification than those with moderate or advanced CKD. The calcification induced by the latter two but not those on haemodialysis could be enhanced with calcium chloride and β-glycerophosphate. A positive correlation was evident between measured serum creatinine, phosphate, parathyroid hormone, osteoprotegerin and the degree of calcification in vitro. Estimated glomerular filtration rate, diastolic blood pressure, haemoglobin and serum albumin correlated negatively. Stepwise multivariate analysis of log-transformed calcific potential data highlighted serum creatinine, albumin and osteoprotegerin as significant predictors, explaining around 50% of the variation. Thus, other regulators either not investigated or as yet unidentified, may contribute to the calcification potential of serum in vitro. Furthermore, uremic serum can induce graded calcification outside of the disease milieu that reflects the degree of kidney impairment in vivo. These findings could have important clinical relevance in terms of developing novel diagnostic and/or therapeutic strategies for subjects with CKD.

AB - Vascular calcification strongly correlates with declining renal function and contributes to the high morbidity and mortality of patients with chronic kidney disease (CKD). It is closely regulated by circulating factors but little is known about the potential of serum from patients to induce calcification outside the disease setting – the calcific potential of serum. We have therefore examined the ability of serum from age- and sex-matched subjects with and without advancing CKD to induce calcification of cultured smooth muscle cells. Samples from patients with CKD induced significant calcification compared with controls. More importantly, samples from patients on haemodialysis induced significantly higher calcification than those with moderate or advanced CKD. The calcification induced by the latter two but not those on haemodialysis could be enhanced with calcium chloride and β-glycerophosphate. A positive correlation was evident between measured serum creatinine, phosphate, parathyroid hormone, osteoprotegerin and the degree of calcification in vitro. Estimated glomerular filtration rate, diastolic blood pressure, haemoglobin and serum albumin correlated negatively. Stepwise multivariate analysis of log-transformed calcific potential data highlighted serum creatinine, albumin and osteoprotegerin as significant predictors, explaining around 50% of the variation. Thus, other regulators either not investigated or as yet unidentified, may contribute to the calcification potential of serum in vitro. Furthermore, uremic serum can induce graded calcification outside of the disease milieu that reflects the degree of kidney impairment in vivo. These findings could have important clinical relevance in terms of developing novel diagnostic and/or therapeutic strategies for subjects with CKD.

U2 - 10.1042/CS20120638

DO - 10.1042/CS20120638

M3 - Article

VL - 125

SP - 237

EP - 245

JO - Clinical Science

JF - Clinical Science

SN - 0143-5221

ER -