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Ebong, Nwakaego Omonigho
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Biochemistry, Genetics & Molecular Biology Medicine & Pharmacology Public Health

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Effect of Justicia insularis Leaf Extract and Fractions on Oxidative Stress Markers, Liver Function Parameters and Liver Histology of Plasmodium berghei -Infected Mice Enyiekere, Veronica James; Anagboso, Martin Osita; Ise, Uduak Peter; Essien, Grace Emmanuel; Okokon, Jude Efiom; Ebong, Nwakaego Omonigho
Biology, Medicine, & Natural Product Chemistry Vol 13, No 2 (2024)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2024.132.351-359

Abstract

Justicia insularis (Family-Acanthaceae) is used in Ibibio ethnomedicine to treat malaria. The leaf extract and fractions of J. insularis were investigated for antioxidative stress and hepatoprotective activities in Plasmodium berghei-infected mice. The leaf extract (100-300 mg/kg, p.o.) exerted significant (p<0.05) antimalarial activity against P. berghei infection in curative test with ethyl acetate fraction demonstrating the highest activity.  The extract/fractions treatment caused significant (p<0.05) reductions in liver enzymes (ALT, AST and ALP), total and conjugated bilirubin of the treated infected mice and also decreased significantly (p<0.05) total protein and albumin levels of the treated mice relative to control. The leaf extract and fractions further improved significantly (p<0.05) the levels of oxidative stress markers enzymes and molecules (CAT, GPx, GST, SOD) of the treated infected mice with no significant (p>0.05) effect on GSH. The MDA levels in the livers of the treated infected mice were significantly (p<0.05) reduced relative to control. Histology of liver sections revealed absence or significant reductions in pathological features in infected mice treated with leaf extract (100 mg/kg), DCM and ethyl acetate fractions compared to untreated infected mice. These results suggest that the leaf extract/fractions of Justicia insularis possess antioxidative stress and hepatoprotective potentials, which is an added advantage to its antimalarial property.
Nephroprotective Activities of Ethanol Root Extract and Fractions of Hippocratea africana Against Doxorubicin-Induced Kidney Toxicity Noah, Kufre U.; Udobang, John A.; Okokon, Jude E.; Anagboso, Martin O.; Ebong, Nwakaego Omonigho
Biology, Medicine, & Natural Product Chemistry Vol 12, No 2 (2023)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2023.122.477-484

Abstract

Hippocratea africana root used locally in the treatment of poisoning was investigated to confirm its antidotal potential in rats. The root extract (200-600 mg/kg) and fractions; dichloromethane (DCM) and aqueous, 400 mg/kg) were evaluated for nephroprotective activity against doxorubicin-induced kidney injury in rats. Kidney function parameters, kidney oxidative stress markers and kidney histology were used to assess the kidney protective effect of the extract. The root extract and fractions (200-600 mg/kg) significantly (p<0.05-0.01) reduced the levels of creatinine, urea and electrolytes that were elevated by doxorubicin. Also, the MDA level elevated by doxorubicin was reduced by the extract and fractions co-administration, while the levels of GSH, GST, SOD, GPx, and CAT that were decreased by doxorubicin were significantly (p<0.01) elevated by the root extract/fractions. Histology of the kidney sections of extract/fractions -treated animals showed reductions in the pathological features compared to the organotoxic-treated animals. The chemical pathological changes were consistent with histopathological observations suggesting marked nephroprotective potential. The anti-toxic effect of this plant may in part be mediated through the chemical constituents of the plant. The plant, Hippocratea africana possesses anti-toxicant properties which can be exploited in the treatment of doxorubicin related toxicities.
Genotoxic and Cytotoxic Activities of Cornhusk Extract of Zea mays and Leaf Extract of Sacharum officinarum Akpan, Emem Eyo; Anagboso, Martin Osita; Johnny, Imoh Imeh; Ebong, Nwakaego Omonigho; Okokon, Jude Efiom
Biology, Medicine, & Natural Product Chemistry Vol 13, No 2 (2024)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2024.132.531-540

Abstract

Zea mays husk and Saccharum officinarum have been used for years in ethnomedicine for their antimalarial, anti-inflammatory, antipyretic, antidiabetic, and antiphlogistic activities. The cytotoxic and genotoxic effects of Zea mays husk and Saccharum officinarum leaf extracts on the root meristem cells of Allium cepa were investigated. Onion bulbs were exposed to 2.5 mg/ml, 5mg/ml, and 10 mg/ml concentrations of the extracts for macroscopic and microscopic analysis. Tap water was used as a negative control and Methotrexate (0.1 mg/ml) was used as a positive control. There was statistically significant (p < 0.05) inhibition of root growth depending on concentration by the extracts when compared with the negative control group. All the tested extracts were observed to have cytotoxic effects on cell division in A. cepa. The extract induced chromosomal aberrations and micronuclei (MNC) formations in A. cepa root tip cells were significant (p<0.05) when compared with the control group. The extracts treatment further induced cell death, ghost cells, cells membrane damage, and binucleated cells. The Zea mays husk extract was found to exhibit higher cytotoxic and genotoxic potential than Saccharum officinarum leaf extract. These results suggest that Zea mays husk and Saccharum officinarum leaf extracts possess cytotoxic and genotoxic effects on A. cepa.
Co-Authors Akpan, Emem Eyo Anagboso, Martin O. Anagboso, Martin Osita Enyiekere, Veronica James Essien, Grace Emmanuel Ise, Uduak Peter Johnny, Imoh Imeh Noah, Kufre U. Okokon, Jude E. Okokon, Jude Efiom Udobang, John A.