Abstract
Hexavalent chromium (Cr (VI)) is a hazardous heavy metal that induces hepatotoxicity and nephrotoxicity. Thus, this study was planned to explore the ameliorating capacity of Aloe vera leaf gel extract (AV) and their conjugated silver nanoparticles (AVNP) against Cr (VI) induced hepatotoxicity and renal toxicity. The organ indices, level of alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, malondialdehyde, total protein, and creatinine in blood serum were measured. The histopathological and micrometric analysis of the hepatic and renal tissue sections were studied. The hepatosomatic index was raised significantly (0.098 ± 0.13 g) in Cr treated group. The blood serum level of AST (484 ± 10.7 U/L), ALT (163 ± 5.5 U/L), ALP (336.7 ± 9.5 U/L), MDA (642.3 ± 28.3 U/L), and creatinine (4.0 ± 0.1 mg/dL) were increased significantly, whereas total protein level was declined (2.8 ± 0.3 g/dL) significantly in Cr exposed group. In the histopathological study, necrosis, disturbed hepatic cords, impaired glomeruli, and Bowman’s capsule were noted. Micrometric data from the liver and kidney revealed a significant surge in the size of hepatocytes and their nuclei (1188.2 ± 467.7 µ2 and 456.5 ± 205.6 µ2) and CSA of glomeruli and Bowman’s capsule (9051.8 ± 249.8 µ2 and 11,835.5 ± 336.7 µ2) in Cr (VI) exposed group, whereas the brush border (10.2 ± 4.0 µ) size declined significantly. The administration of AV and AVNP reduced the oxidative stress induced by Cr (VI).
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No datasets were generated or analyzed during the current study.
Abbreviations
- ROS:
-
Reactive oxygen species
- Cr (VI):
-
Hexavalent chromium
- Cr (III):
-
Trivalent chromium
- Cr:
-
Chromium
- AgNPs:
-
Silver nanoparticles
- K2Cr2O7 :
-
Potassium dichromate
- CSA:
-
Cross-sectional area
- AMPK:
-
Adenosine monophosphate-activated protein kinase
- PGC:
-
Peroxisome proliferator-activated receptor-gamma coactivator
- rpm:
-
Revolution per minute
- mL:
-
Milliliter
- mM:
-
Millimolar
- AgNO3 :
-
Silver nitrate
- UV-Vis:
-
Ultraviolet visible
- FTIR:
-
Fourier transform infrared spectroscopy
- XRD:
-
X-ray diffraction
- SEM:
-
Scanning electron microscopy
- ALT:
-
Alanine transaminase
- AST:
-
Aspartate amino transferase,
- ALP:
-
Alkaline phosphatase
- MDA:
-
Malondialdehyde
- H & E:
-
Hematoxylin and eosin
- U/L:
-
Unit per liter
- BW:
-
Body weight
- Kg:
-
Kilogram
- g:
-
Gram
- HSI:
-
Hepato-somatic index
- RSI:
-
Renal-somatic index
- AV:
-
Aloe vera
- AVNP:
-
Aloe vera-mediated silver nanoparticles
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Acknowledgements
For the present study, the authors are highly obliged to the Department of Zoology, Govt. College University, Lahore, Pakistan, Department of Zoology, University of Education, Lahore, Pakistan, and Institute of Zoology, University of the Punjab, Lahore, Pakistan, for provision of research prerequisites.
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Conceptualization: T.N., S.Al. Data curation: T.N., S.Al., S.An., C.A., S.M., I.L., H.M., A.S.A., S.M., M.A.F., I.H.K., L.K. Formal analysis and investigation: T.N., S.Al., C.A. Software: T.N., S.Al. Supervision: S.Al. Writing original draft: T.N. Review and editing: T.N. and S.Al. The manuscript has been checked and approved by all authors.
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The animal trials were carried out using international controls. For this study, ethical approval was obtained from an institutional bioethical committee of the Government College University, Lahore with reference No. GCU-IIB-364 dated 6th October 2020.
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Nauroze, T., Ali, S., Andleeb, S. et al. Therapeutic Potential of Aloe vera and Aloe vera–Conjugated Silver Nanoparticles on Mice Exposed to Hexavalent Chromium. Biol Trace Elem Res (2024). https://doi.org/10.1007/s12011-024-04105-8
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DOI: https://doi.org/10.1007/s12011-024-04105-8