1.Therapeutic efficacy of seaweed extract (Ulva Fasciata Delile) against invasive candidiasis in mice
Fathy, S.A. ; Mohamed, M.R. ; Emam, M.A. ; Mohamed, S.S ; Ghareeb, D.A. ; Elgohary, S.A. ; Abd-El Megeed, D.F.
Tropical Biomedicine 2019;36(4):972-986
Candida is the most frequent common causes of invasive fungal infections and
associated with high morbidity and mortality. Most of available antifungal agents have side
effects. This opened up new avenues to investigate the antifungal efficacy of active extracts
from marine algae. So the aim of this study was to evaluate the protective and the curative
effect of Ulva fasciata extract against an invasive candidiasis in mice and to study its
underlying mechanism. The active ingredients of Ulva fasciata extract were evaluated using
HPLC and GC/MS. Fifty mice were included in current work, and the level of inflammatory
markers; Interleukin (IL)-4, IL-12, Interferon-gamma (IFN-γ) and Tumor necrosis factor-alpha
(TNF-α) were determined using ELISA kits. Hematological, biochemical and oxidative stress
parameters were determined using commercial kits. Moreover, the histopathological
examinations were carried on liver, kidney and spleen for all groups. The results obtained
showed that treatment with U. fasciata either before or after Candida infection significantly
improved the hematological, biochemical alterations and antioxidant status caused by this
infection. Furthermore, the U. fasciata reduced histopathological changes induced by Candida
as well as it could increase the expression of IL-12 and IFN-γ while minimized the expression
of TNF-α and IL-4 in all infected mice compared to infected untreated mice. These data
propose that U. fasciata can ameliorate inflammatory reactions related to Candida albicans
cytotoxicity via its ability to augment cellular antioxidant defenses by its active compounds.
2.Assessment of interleukin 17 and transforming growth factor-beta 1 in hepatitis C patients with disease progression
Elbanan, W.K. ; Fathy, S.A. ; Ibrahim, R.A. ; Hegazy, M.G.A.
Tropical Biomedicine 2020;37(No.4):1093-1104
Hepatitis C virus (HCV) infection in Egypt is the most serious health problem.
Identifying HCV-positive persons at high risk of early complications can help prioritize treatment
decisions. Recently, attention has been directed to non-invasive, accurate alternatives using
serum biochemical markers. The transforming growth factor β 1/interleukins pathway plays
an important role in the process of cell injury and inflammation. Thus, TGF-β1 and IL-17 were
assessed in serum of chronic HCV patients with correlation to hepatic inflammatory and
fibrotic status. The quantitative serum levels of TGF-β1 and IL-17 were analyzed among
chronic hepatitis C (CHC) patients (n=75) and normal control (NC) subjects (n=15). Disease
severity in patients was assessed using the Child-Pugh scores and METAVIR. Serum levels of
TGF-β1 and IL-17 were significantly increased in HCV patients compared to control group.
Furthermore, the levels of TGF-β1 and Il-17 were positively correlated to serum transaminases
and alpha-fetoprotein and they were negatively correlated with serum albumin and platelets.
Additionally, the serum levels of TGF-β1 and Il-17 were associated with inflammation grades
and stages of liver fibrosis. TGF-β1 and IL-17 may be hopeful serum biomarkers concerned in
the progression of liver inflammation and fibrosis accompanying chronic HCV infection.
Therefore, they could be used in the future as targets for anti-fibrotic therapy of chronic HCV
to ameliorate the disease progress.