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Michael OS, Bamidele O, Ogheneovo P, Ariyo TA, Adedayo LD, Oluranti OI, Soladoye EO, Adetunji CO, Awobajo FO. Watermelon rind ethanol extract exhibits hepato-renal protection against lead induced-impaired antioxidant defenses in male Wistar rats. Curr Res Physiol 2021; 4:252-259. [PMID: 34841269 PMCID: PMC8607130 DOI: 10.1016/j.crphys.2021.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 10/14/2021] [Accepted: 11/10/2021] [Indexed: 10/28/2022] Open
Abstract
Lead acetate associated tissue injury has been linked to altered antioxidant defenses, hyperuricemia and inflammation. We hypothesized that watermelon rind extract, would ameliorate lead acetate-induced hepato-renal injury. Thirty Male Wistar rats received distilled water, lead acetate (Pb; 5 mg/kg) with or without watermelon rind extract (WM; 400 mg/kg; WM + Pb; 15 days of WM pretreatment); Pb + WM (15 days of WM post treatment) and simultaneous treatment (WM-Pb) for 30 days. Lead toxicity led to elevated serum malondialdehyde, creatinine, urea, uric acid, lactate dehydrogenase, liver injury enzymes, as well as decreased body weight. Decreased serum levels of reduced glutathione, nitric oxide, total protein and glutathione peroxidase activity was also observed. However, these alterations were ameliorated by watermelon rind extract in lead acetate-treated rats. Watermelon rind ethanol extract protects against lead acetate-induced hepato-renal injury through improved antioxidant defenses at least in part, via uric acid/nitric oxide-dependent pathway signifying the health benefits of this agricultural waste and a potential for waste recycling while limiting environmental pollution.
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Key Words
- ALP, Alkaline Phosphatase
- ALT, Alanine Transferase
- AST, Aspartate Transaminase
- GPx, Glutathione Peroxidase
- GSH, Reduced Glutathione
- LDH, Lactate Dehydrogenase
- Lead acetate
- MDA, Malondialdehyde
- Nitric oxide
- Oxidative stress
- Pb, Lead Acetate
- Uric acid
- WM, Watermelon rind extract
- Watermelon
- rpm, revolutions per minute
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Affiliation(s)
- Olugbenga S. Michael
- Cardiometabolic Research Unit, Department of Physiology, Bowen University, Iwo, Nigeria
| | - Olubayode Bamidele
- Department of Physiology, College of Health Science, Bowen University, Iwo, Nigeria
| | - Pamela Ogheneovo
- Department of Physiology, College of Health Science, Bowen University, Iwo, Nigeria
| | - Temitope A. Ariyo
- Department of Physiology, College of Health Science, Bowen University, Iwo, Nigeria
| | - Lawrence D. Adedayo
- Department of Physiology, College of Health Science, Bowen University, Iwo, Nigeria
| | - Olufemi I. Oluranti
- Department of Physiology, College of Health Science, Bowen University, Iwo, Nigeria
| | | | - Charles O. Adetunji
- Microbiology, Biotechnology and Nanotechnology Laboratory, Department of Microbiology Edo University Iyamho, Edo State, Nigeria
| | - Funmileyi O. Awobajo
- Department of Physiology, College of Medicine, University of Lagos, Idiaraba, Lagos, Nigeria
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Mekky RH, Contreras MDM, El-Gindi MR, Abdel-Monem AR, Abdel-Sattar E, Segura-Carretero A. Profiling of phenolic and other compounds from Egyptian cultivars of chickpea (Cicer arietinum L.) and antioxidant activity: a comparative study. RSC Adv 2015. [DOI: 10.1039/c4ra13155j] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The metabolic profiling of seven Egyptian cultivars of chickpeaviaRP-HPLC-DAD-ESI-QTOF-MS enabled the characterization of 96 phenolic compounds.
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Affiliation(s)
- Reham Hassan Mekky
- Pharmacognosy Department
- Faculty of Pharmacy
- Egyptian Russian University
- Cairo
- Egypt
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Kogure K, Ishizaki M, Nemoto M, Kuwano H, Tatemoto K, Maruyama Y, Ikarashi Y, Makuuchi M. Evaluation of serum uric acid changes in different forms of hepatic vascular inflow occlusion in human liver surgeries. Life Sci 1999; 64:305-13. [PMID: 10072190 DOI: 10.1016/s0024-3205(98)00566-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Uric acid values in serum have been analyzed as one of the markers to predict cellular damage due to ischemia reperfusion injury in the field of organ transplantation. The present study was conducted to confirm that uric acid values in serum could be an efficient marker of ischemic injury of liver parenchyma following hepatic vascular occlusion in human liver surgery. The changes in serum uric acid values were analyzed at fixed intervals during different liver surgeries. Significant increases in serum uric acid values were observed in patients who received the Pringle's maneuver in which hepatic vascular inflow was manipulated with a repetition of 15 min occlusion and 5 min perfusion, whereas almost no changes in uric acid values were found in both groups of patients who received the hemilobal occlusion of the Glisson's triad in which the right or left vessels were manipulated with a repetition of 30 min occlusion and 5 min perfusion and the "control method" in which the hepatic vessels of the lesion side were previously cut before liver resection. Uric acid values in serum increased in patients of Pringle's maneuver compared to those of the hemilobal occlusion of the Glisson's triad and the control method though these procedures were used in larger hepatectomies rather than Pringle's maneuver. The results indicated that serum uric acid values do not always reflect the severity of ischemia of the liver parenchyma but reflect intestinal congestion because marked intestinal congestion was observed in patients of Pringle's maneuver but not in patients of the hemilobal occlusion of the Glisson's triad and the control method. The evaluation of the severity of the ischemic injury of the liver should be done with caution when uric acid is used as a marker in human liver surgery.
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Affiliation(s)
- K Kogure
- First Department of Surgery, Gunma University School of Medicine, Maebashi, Japan
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