Browsing by Author "Kouame, K."

Now showing 1 - 2 of 2
  • Item
    Effect of long-term administration of Cinnamomum cassia silver nanoparticles on organs (kidneys and liver) of Sprague Dawley rats
    (Scientific and Technological Research Council of Turkey, 2018) Adana, M. Y.; Kouame, K.; Peter, A. I.; Akang, E. N.; Moodley, R.; Naidu, E. C. S.; Azu, O. O.
    This study investigated the toxic effects of silver on the kidneys and livers of Sprague-Dawley rats after administering multiple doses of silver nanoparticles synthesized using extracts of Cinnamomum cassia (CcAgNPs). Twenty-four Sprague-Dawley rats (250 ± 20 g) were randomly assigned to four groups (A–D) of six animals per group and treated for 8 weeks. Group A was administered 200 mg/kg of Cinnamon Cassia extract (Cc), group B 5 mg/kg of CcAgNPs, group C 10 mg/kg of CcAgNPs, and group D normal saline. Body weight was measured weekly and fasting blood glucose was measured fortnightly. At the end of the experiment, animals were euthanized and organs (livers and kidneys) were fixed in neutral buffered formalin and processed for light microscopy (H&E). Body weight differences were significantly higher (P < 0.05) in the low-dose Cc group and the kidney to body weight ratio was not significant. Renal function analysis of proteins and ketones showed a significant increase in CcAgNP-treated rats (P < 0.05). Kidney and liver histology showed distortions in hepatocytes and sinusoidal linings with infiltrations especially in the higher dose groups. Kidney histology mirrored degenerative changes in glomerular and Bowman’s capsules with fibrillary mesangial interstitium. CcAgNPs impairs renal and hepatic morphology and function after a long period of administration.
  • Item
    Testicular microanatomical and hormonal alterations following use of antiretroviral therapy in Sprague Dawley rats: Role of Naringenin
    (Wiley- Blackwell, 2018) Adana, M. Y.; Akang, E. N.; Naidu, E. C. S.; Aniekan, P. I.; Kouame, K.; Offor, U.; Azu, O. O.
    Human immunodeficiency virus‐infected man may require assisted reproductive technology not just for safer conception but also due to subfertility. The study investigated the effect of antiretroviral drugs on the fertility potentials of males and the possible protective role of Naringenin, using Sprague Dawley rats. Thirty adult male Sprague Dawley rats were grouped into—A: Distilled water; B: Highly Active Antiretroviral Therapy (HAART); C: Naringenin 40 mg/kg; D: Naringenin 80 mg/kg, E: HAART + Naringenin 40 mg/kg; F: HAART + Naringenin 80 mg/kg. The rats were euthanised after 10 weeks. Results showed a significant decrease in sperm count in group B when compared to the control and other groups. Spermatozoa with normal morphology also reduced significantly in the B group and progressive sperm motility reduced when compared to the control, D and the F group. The serum testosterone was not significantly different between groups A and B, however the groups C and D displayed significant increase when compared to groups A and B. The serum luteinis‐ing hormone was significantly higher in group B when compared to groups A, E and F. Our data suggest that Naringenin improves the male reproductive anatomy and function, therefore, it promises to be a beneficial adjuvant for mitigating HAART testicular and reproductive perturbations.