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Erschienen in: Irish Journal of Medical Science (1971 -) 1/2018

27.05.2017 | Original Article

Effect of paricalcitol on pancreatic oxidative stress, inflammatory markers, and glycemic status in diabetic rats

verfasst von: T. M. Ali, B. El Esawy, A. Elaskary

Erschienen in: Irish Journal of Medical Science (1971 -) | Ausgabe 1/2018

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Abstract

Objectives

This study is designed to explore the effect of paricalcitol (vitamin D receptor agonist) on pancreatic oxidative stress, inflammatory markers, and adiponectin and glycemic status in diabetic rats.

Materials and methods

Forty Sprague-Dawley male rats aged 10–12 weeks (150–250 g) were used in this study. Type 2 diabetes was developed by providing 4 weeks of high-fat-diet feeding before one shot of streptozotocin injection (40 mg/kg i.p.). Four study groups were designed as normal control rats, diabetic control vehicle-treated, diabetic paricalcitol-treated (0.8 μg/kg), and diabetic glibenclamide-treated (0.6 mg/kg) groups with 10 animals in each. After treatment of diabetic rats for 3 months, pancreatic inflammatory and oxidative stress markers, plasma adiponectin, glycemic status parameters, and histopathological pancreatic islet changes were evaluated.

Results

Paricalcitol and glibenclamide treatment significantly (P < 0.05) decreased plasma glucose, insulin resistance, and pancreatic malondialdehyde and tumor necrosis factor-α levels. Moreover, they significantly (P < 0.05) increased plasma fasting insulin, C-peptide, adiponectin, pancreatic IL-2, catalase, superoxide dismutase, glutathione peroxidase, and reduced glutathione when contrasted with diabetic control rats. Furthermore, they prevented extensive histopathological damage in the pancreas of diabetic rats.

Conclusions

Paricalcitol reduced pancreatic oxidative stress and inflammatory markers, and improved glycemic status in diabetic rats.
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Metadaten
Titel
Effect of paricalcitol on pancreatic oxidative stress, inflammatory markers, and glycemic status in diabetic rats
verfasst von
T. M. Ali
B. El Esawy
A. Elaskary
Publikationsdatum
27.05.2017
Verlag
Springer London
Erschienen in
Irish Journal of Medical Science (1971 -) / Ausgabe 1/2018
Print ISSN: 0021-1265
Elektronische ISSN: 1863-4362
DOI
https://doi.org/10.1007/s11845-017-1635-7

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