The Open Medicinal Chemistry Journal




ISSN: 1874-1045 ― Volume 12, 2018
RESEARCH ARTICLE

Redox State of Human Serum Albumin and Inflammatory Biomarkers in Hemodialysis Patients with Secondary Hyperparathyroidism During Oral Calcitriol Supplementation for Vitamin D



Wesam A. Nasif 1, 2, *, Mohammed H. Mukhtar1, Hoda M. El-Emshaty3, Ahmed H. Alwazna4
1 Department of Biochemistry, Faculty of Medicine, Umm Al-Qura University, Makkah, Kingdom of Saudi Arabia
2 Molecular Biology Department, Genetic Engineering and Biotechnology Research Institute, Sadat City University, Sadat City, Egypt
3 Research Laboratories, Gastroenterology Surgical Center, Faculty of Medicine, Mansoura University, Mansoura, Egypt
4 Consultant Nephrologist, Nephrology Unit, Al-Rahma Hospital, Madinah, Saudi Arabia

Abstract

Background:

Hemodialysis (HD) patients with secondary Hyperparathyroidism (s-HPT) are exposed to increased inflammation and oxidative stress. In HD patients, oxidized albumin is a reliable marker of oxidative stress and its clinical significance has been rarely studied.

Objective:

The objective of this study was to evaluate Cys34 Human Serum Albumin (HSA) as oxidative stress biomarker in HD patients with s-HPT and its relationship with inflammation on bone turnover markers during oral calcitriol supplementation for vitamin D.

Patients and Methods:

Fifteen stable hemodialysis patients with s-HPT (mean age 48.67±8.15, 11 males and 4 females) were used in the experiment to receive calcitriol treatment for 16 weeks (0.25mcg or 0.5 mcg once a day according to serum level of Ca and P for each). The changes in the serum biochemical parameters (Ca, P, ALP, and iPTH), inflammatory markers (CRP and IL-6 levels) and serum oxidative stress condition (SOD, IS and albumin ratio HNA/HMA) were evaluated before and at 8 and 16 weeks of calcitriol treatment. The correlations between those factors were studied.

Results:

All patients responded to oral calcitriol therapy, with a significant decrease in the serum iPTH. The results showed that calcitriol could effectively suppress iPTH secretion with a significant elevation of serum Ca and P but ALP remained unchanged during the study. It can also effectively reduce the inflammatory markers (CRP and IL-6), while increasing the oxidative markers (SOD and IS). Oxidative albumin ratio HNA/HMA showed a significant (p=0.001) reduction after 16 weeks of calcitriol treatment and the redox state of HSA showed a positive prediction for hyperparathyroidism and for inflammation.

Conclusion:

The redox state of HSA could be used as a predictor for monitoring hyperparathyroidism and inflammation during calcitriol treatment by retarding albumin oxidation in HD patients with secondary hyperparathyroidism.

Keywords: Human serum albumin, Vitamin D receptor activator, Hemodialysis patients, HPLC, Hyperparathyroidism, Oxidative albumin ratio.


Article Information


Identifiers and Pagination:

Year: 2018
Volume: 12
First Page: 98
Last Page: 110
Publisher Id: TOMCJ-12-98
DOI: 10.2174/1874104501812010098

Article History:

Received Date: 20/7/2018
Revision Received Date: 20/9/2018
Acceptance Date: 23/9/2018
Electronic publication date: 18/10/2018
Collection year: 2018

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© 2018 Nasif et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4. 0 International Public License (CC-BY 4. 0), a copy of which is available at: https://creativecommons. org/licenses/by/4. 0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


* Address correspondence to this author at the Department of Biochemistry, Faculty of Medicine, Umm Al-Qura University, Makkah, Kingdom of Saudi Arabia; Tel: 00966566526609; E-mail: wnasif2003@yahoo.com, wanasif@uqu.edue.sa


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