scholarly journals Alteration of oxidative stress parameters in red blood cells of rats after chronic in vivo treatment with cisplatin and selenium

2011 ◽  
Vol 63 (4) ◽  
pp. 991-999 ◽  
Author(s):  
Snezana Markovic ◽  
Jovana Zizic ◽  
Dragana Djacic ◽  
Ana Obradovic ◽  
Milena Curcic ◽  
...  

In this study we evaluated the possible protective effects of selenium (Se) on hematological and oxidative stress parameters in rats chronically treated with cisplatin (cisPt). Four groups of Wistar albino rats were examined: a control, untreated rats (I), rats treated with Se (II), rats treated with cisPt (III), and rats treated with Se and cisPt (IV). All animals were treated for 5 days successively and killed 24 h after the last treatment. Hematological and oxidative stress parameters were followed in whole blood and red blood cells (RBC). Results showed that the chronic application of Se was followed by a higher number of reticulocytes and platelets, increased lipid peroxidation and GSH content in the RBC. Cisplatin treatment induced depletion of RBC and platelet numbers and an elevation of the superoxide anion, nitrites and glutathione levels. Se and cisPt co-treatment was followed by an elevation of the hematological parameters and the recovery of the glutathione status when compared to the control and cisPt-treated rats.

2010 ◽  
Vol 142 (3) ◽  
pp. 660-670 ◽  
Author(s):  
Snežana D. Marković ◽  
Dragana S. Djačić ◽  
Danijela M. Cvetković ◽  
Ana D. Obradović ◽  
Jovana B. Žižić ◽  
...  

2019 ◽  
Vol 12 (1) ◽  
pp. 403-409
Author(s):  
Abdel Maksoud H. A. ◽  
Mahfouz M. K. ◽  
Omnia M. A. ◽  
Abdullah M. H ◽  
Eltabey M. E. ◽  
...  

Monitoring of exposure to chemical matters is seriously needed for evaluating health hazards resulted from its inhalation. The present study was carried out to determine the biochemical, immunological and oxidative stress parameters as well as the possible histological effects of exposure to benzene vapours in male albino rats. Results indicated that; Benzene vapours exposure induced significant increasing in Myeloperoxidase (MPO) enzyme levels. This goes with marked immunologic changes presented by decreases in immunoglobulins; IgA and IgG, along with increases in levels of IgM and IgE. Also, Malondialdehyde (MDA) levels were significantly increased. Meanwhile, reduction in different biochemical parameters including; Superoxide Dismutase (SOD), Catalase (CAT) levels and Glutathione (GSH) content. Lung sections taken showed; Thickening of alveolar septa with chronic inflammation and /or fibrosis, Congested vessels/thick walled vessels and Peri-bronchiolar fibrosis. Hence, the study concluded that; prolonged benzene (BNZ) vapours exposure lead to biochemical, immune disterbance and histopathological changes probably through potentiating oxidative stress and inflammation pathways.


PeerJ ◽  
2020 ◽  
Vol 8 ◽  
pp. e8845
Author(s):  
YanDong Zhang ◽  
ChengYuan Ma ◽  
ChunShui Liu ◽  
Feng Wei

Background Luteolin (LUT) is a flavonoid found in vegetables and fruits that has diverse functions. Doxorubicin (DOX) is an anthracycline antibiotic that is frequently used for the treatment of various cancers. Unfortunately, the clinical efficacy of DOX is limited by its dose-related cardiotoxicity. In this study, we aimed to investigate the potential mechanism through which LUT attenuates cardiotoxicity in vivo. Methods We evaluated the body weight, heart weight, electrocardiogram, and pathological changes before and after administration of LUT. Moreover, the effects of LUT (50 mg/kg in the low dose group, 100 mg/kg in the high dose group) on biochemical parameters (brain natriuretic peptide, creatine kinase MB, cardiac troponin T, and dehydrogenation of lactate enzyme) and oxidative stress parameters (malondialdehyde and superoxide dismutase) were studied in the sera of cardiotoxicity model rats. We also identified the apoptotic mediators whose expression was induced by LUT by quantitative real-time reverse transcription-polymerase chain reaction (RT-qPCR) evaluation. In addition, we used network analysis to predict DOX-induced cardiotoxicity and protection afforded by LUT. Western blotting was used to detect the expression of associated proteins. Results LUT significantly improved DOX-induced cardiotoxicity in a dose-dependent fashion. LUT ameliorated DOX-induced weight loss and heart weight changes, as well as changes in biochemical parameters and oxidative stress parameters in heart injury model rats. LUT’s protective effect was observed via regulation of the apoptotic markers Bcl-2, Bax, and caspase-3 mRNA and protein expression levels. Network analysis showed that the AKT/Bcl-2 signalling pathway was activated; specifically, the PH domain leucine-rich repeats protein phosphatase 1 (phlpp1) was involved in the AKT/Bcl-2 signal pathway. LUT inhibited the activity of phlpp1 leading to positive regulation of the AKT/Bcl-2 pathway, which attenuated doxorubicin-induced cardiotoxicity. Conclusions These results demonstrate that LUT exerted protective effects against DOX-induced cardiotoxicity in vivo by alleviating oxidative stress, suppressing phlpp1 activity, and activating the AKT/Bcl-2 signalling pathway.


2016 ◽  
Vol 32 (2) ◽  
pp. 519-528 ◽  
Author(s):  
Lara M. Gomes ◽  
Milena Carvalho-Silva ◽  
Letícia J. Teixeira ◽  
Joyce Rebelo ◽  
Isabella T. Mota ◽  
...  

2021 ◽  
Vol 406 ◽  
pp. 113226
Author(s):  
Talita Tuon ◽  
Sandra S. Meirelles ◽  
Airam B. de Moura ◽  
Thayse Rosa ◽  
Laura A. Borba ◽  
...  

Author(s):  
Basiru Olaitan Ajiboye ◽  
Babatunji Emmanuel Oyinloye ◽  
Jennifer Chidera Awurum ◽  
Sunday Amos Onikanni ◽  
Adedotun Adefolalu ◽  
...  

Abstract Objectives The current study evaluates the protective role of aqueous extract of Sterculia tragacantha leaf (AESTL) on pancreatic gene expressions (insulin, PCNA, PDX-1, KI-67 and GLP-1R) and oxidative stress parameters in streptozotocin-induced diabetic rats. Methods Diabetes mellitus was induced into the experimental Wistar animals via intraperitoneal (IP) injection of streptozotocin (35 mg/kg body weight) and 5% glucose water was given to the rats for 24 h after induction. The animals were categorized into five groups of 10 rats each as follows normal control, diabetic control, diabetic rats administered AESTL (150 and 300 mg/kg body weight) and diabetic rats administered metformin (200 mg/kg) orally for two weeks. Thereafter, the animals were euthanized, blood sample collected, pancreas harvested and some pancreatic gene expressions (such as insulin, PCNA, PDX-1, KI-67, and GLP-1R)s as well as oxidative stress parameters were analyzed. Results The results revealed that AESTL significantly (p<0.05) reduced fasting blood glucose level, food and water intake, and lipid peroxidation in diabetic rats. Diabetic rats administered different doses of AESTL showed a substantial upsurge in body weight, antioxidant enzyme activities, and pancreatic gene expressions (insulin, PCNA, PDX-1, KI-67, and GLP-1R). Conclusions It can therefore be concluded that AESTL has the ability to protect the pancreas during diabetes mellitus conditions.


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