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Effect of Saponin Encapsulated by Ferritin Nanoparticles on Fetal Lung Development in Female Mice with Streptococcus pneumonia
2023
Safdarpour, Saba | Eftekhari, Zohre | Eidi, Akram | Doroud, Delaram
BACKGROUND: The effect of nanoherbal substances in the treatment of infectious diseases before mating or during pregnancy must be evaluated. Saponin has adverse effects on a pregnant mother and her fetal through complex mechanisms.OBJECTIVES: This study aims to investigate the toxic effects of saponin encapsulated by ferritin nanoparticles (Nanosaponin) on fetal lung development in female mice with Streptococcus pneumonia.METHODS: Extraction of crude saponin from licorice roots was done by the powder heating and using 20 % ethanol and diethyl ether. Then, n-butanol and 5 % sodium chloride solution were added to the aqueous layer. The mice were divided into five groups of 10 including control, pneumonia, pneumonia treated with ferritin, pneumonia treated with saponin, and pneumonia treated with nanosaponin. Then, two groups of untreated pregnant pneumonia and pregnant pneumonia treated with nanosaponin were separated. In this study, tumor necrosis factor alpha (IFN-γ), heparin-binding epidermal growth factor-like growth factor (HB-EGF), Methyl-CpG binding domain 2 (MBD-2), and kruppel like factor 2 (KLF-2) genes were evaluated in the maternal lungs, and TNF-α level was evaluated using ELISA method in the fetal lungs. Maternal tissue, uterus tissue, and fetal lung were examined by hematoxylin and eosin staining, and maternal body tissue was examined by trichromason staining and Oxidative stress parameters were investigated.RESULTS: Nano saponin decreased the expression of IFN-γ (P<0.05) (P<0.01), MBD-2 (P<0.05) and HB-EGF genes, KLF-2 protein level and TNF-α levels in fetal lung.The thickness of uterine myometrium and blood flow of endometrium increased the number of live embryos and the rate of successful pregnancy. In addition, Nano saponin effectively improved the oxidative stress response in the fetus without any harmful effect on the mother's liver tissue.CONCLUSIONS: The nanosaponin has no toxic effects on the sudy organs of the mother and fetus. It has therapeutic effects on the fetal lung development process after the infection of mother with Streptococcus pneumonia.
Afficher plus [+] Moins [-]Saponin-based Mycoplasma bovis vaccine containing lysozyme dimer adjuvant stimulates acute phase response in calves
2018
Dudek, Katarzyna | Bednarek, Dariusz
Mycoplasma bovis is known as a causative agent of many disorders in cattle. In Europe, there is still a lack of commercial vaccines against M. bovis infection. Acute phase response (APR) is a non-specific host reaction to infection, most seen in changes in production of acute phase proteins. The aim of this study was to analyse APR in calves administered with an experimental M. bovis vaccine. Twelve healthy female calves were divided into two equal groups: experimental and control. The experimental vaccine containing the field M. bovis strain and two adjuvants such as saponin and lysozyme dimer was subcutaneously administered to the experimental group. Phosphate buffered saline was taken as the placebo and given to the control group by the same route as the vaccine. Blood samples were collected prior to the study (day 0), then daily up to day 7, and then each seven days until day 84 post vaccination. The concentrations of serum amyloid A (SAA), haptoglobin (Hp), interferon-γ (IFN-γ), and inteleukin-4 (IL-4) were determined using commercial ELISA kits. Following the vaccination, a significant increase in SAA, Hp, and IFN-γ concentrations was observed when compared to the unvaccinated calves, whereas the IL-4 concentration was not detectable. The experimental saponin-based M. bovis vaccine containing lysozyme dimer adjuvant visibly stimulated the APR in the calves, and some specific cytokines (Th1-dependent) directly involved in this response.
Afficher plus [+] Moins [-]Morphological evaluation on the effect of panaxadiol series ginsenosides in irradiated mice
Lee, H.J.;Kim, S.R.;Kim, S.H.(Chonnam National University, Gwangju, Republic of Korea)E-mail:shokim@chonnam.ac.kr
The purpose of the study was to investigate the effect of ginseng saponins (panaxadiol, ginsenoside Rb₁, Rb₂, Rc, Rd) on jejunal crypt survival, endogenous spleen colony formation and apoptosis in jejunal crypt cells of mice irradiated with gamma-ray. ICR mice were given each saponin (i.p. 50 mg/kg of body weight) at 24 hours before irradiation. The radioprotective effects of saponins were compared with the irradiation control respectively. The jejunal crypts were protected by pretreatment with ginsenoside Rc (p less than 0.05) and Rd (p less than 0.05). The spleen colony was increased by pretreatment with panaxadiol (p less than 0.05) and ginsenoside Rd (p less than 0.05).
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