Serum total oxidant/anti-oxidant status, ischemia-modified albumin and oxidized-low density lipoprotein levels in patients with vitamin D deficiency

Objective Oxidative damage may be responsible for the pathogenesis and complications of many diseases. Vitamin D deficiency has been suggested as a potential mediator of various extra-skeletal pathologies. However, there are limited data on anti-oxidant properties of vitamin D.Materials and methods...

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Published in:Archives of Endocrinology and Metabolism 2015-08, Vol.59 (4), p.318-324
Main Authors: Baser, Husniye, Can, Ummugulsum, Baser, Salih, Hidayetoglu, Bahauddin Taha, Aslan, Uysaler, Buyuktorun, Ilker, Yerlikaya, Fatma Humeyra
Format: Article
Language:English
Subjects:
ischemia-modified albumin
oxidized-low density lipoprotein
total anti-oxidant status
total oxidant status
Vitamin D
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Summary:Objective Oxidative damage may be responsible for the pathogenesis and complications of many diseases. Vitamin D deficiency has been suggested as a potential mediator of various extra-skeletal pathologies. However, there are limited data on anti-oxidant properties of vitamin D.Materials and methods Forty-one subjects with vitamin D deficiency and 30 healthy controls were enrolled into the study. The levels of total anti-oxidant status (TAS), total oxidant status (TOS), ischemia-modified albumin (IMA), oxidized-low density lipoprotein (ox-LDL), high-sensitivity C-reactive protein (hs-CRP) and fibrinogen were measured in both groups. The measurements were repeated in 17 patients after the replacement of vitamin D.Results Serum IMA and TOS levels were significantly higher (p < 0.001 and p = 0.035, respectively), while TAS levels were significantly lower in patients, compared to controls (p < 0.001). Additionally, fibrinogen was significantly higher in patients than controls (p = 0.003), while ox-LDL and hs-CRP levels were similar between two groups. After the replacement of vitamin D, TAS level significantly increased (p = 0.037), and TOS and fibrinogen levels significantly decreased (p = 0.043 and p = 0.010, respectively). Vitamin D levels were negatively correlated with IMA and fibrinogen levels (r = -0.500, p < 0.001 and r = -0.391, p = 0.002, respectively), although positively correlated with TAS levels (r = 0.430, p < 0.001). No correlation was found between vitamin D levels, and the TOS, ox-LDL and hs-CRP levels.Conclusions In this study, while serum IMA, TOS and fibrinogen levels were increased, TAS levels were seen to be decreased in patients with vitamin D deficiency. These results suggest that oxidative/anti-oxidative balance shifts in favours of oxidative status in vitamin D deficiency.
ISSN:2359-3997
2359-4292
2359-3997
DOI:10.1590/2359-3997000000055