This study evaluated the effects of dietary anticoccidial drugs plus antibiotic growth promoters (AGPs) on parameters of immunity in commercial broiler chickens. Day-old chicks were raised on used litter from a farm with endemic gangrenous dermatitis to simulate natural pathogen exposure and provided with diets containing decoquinate (DECX) or monensin (COBN) as anticoccidials plus bacitracin methylene disalicylate and roxarsone as AGPs. As a negative control, the chickens were fed with a non-supplemented diet. Immune parameters examined were concanavalin A (ConA)-stimulated spleen cell proliferation, intestine intraepithelial lymphocyte (IEL) and spleen cell subpopulations, and cytokine/chemokine mRNA levels in IELs and spleen cells. ConA-induced proliferation was decreased at 14 d post-hatch in DECX-treated chickens, and increased at 25 and 43 d in COBN-treated animals, compared with untreated controls. In DECX-treated birds, increased percentages of $MHC2^+$ and $CD4^+$ IELS were detected at 14 d, but decreased percentages of these cells were seen at 43 d, compared with untreated controls, while increased $TCR2^+$ IELs were evident at the latter time. Dietary COBN was associated with decreased fractions of $MHC2^+$ and $CD4^+$ IELs and reduced percentages of $MHC2^+$, $BU1^+$, and $TCR1^+$ spleen cells compared with controls. The levels of transcripts for interleukin-4 (IL-4), IL-6, IL-17F, IL-13, CXCLi2, interferon-${\gamma}$ (IFN-${\gamma}$), and transforming growth factor${\beta}$4 were elevated in IELs, and those for IL-13, IL-17D, CXCLi2, and IFN-${\gamma}$ were increased in spleen cells, of DECX- and/or COBN-treated chickens compared with untreated controls. By contrast, IL-2 and IL-12 mRNAs in IELs, and IL-4, IL-12, and IL-17F transcripts in spleen cells, were decreased in DECX- and/or COBN-treated chickens compared with controls. These results suggest that DECX or COBN, in combination with bacitracin and roxarsone, modulate the development of the chicken post-hatch immune system.
Background: Membranous nephropathy (MN) is the most common cause of adult nephrotic syndrome worldwide and has been defined as granular subepithelial deposition of immune complexes along the glomerular basement membrane (GBM). MN has few known treatments and gives rise to side effects under treatment with steroids and immunosuppressives. Objective: The purpose of this experimental study was to demonstrate the effects of Scutellariae Radix extract (SRE) treatment on MN mouse model induced by cBSA. Methods: We divided mice into 4 groups. The Normal group had no treatment. We induced MN mouse model to the other 3 groups by injecting cBSA into the abdominal cavity. The control group was treated with cBSA (10 mg/kg, i.p.) only. The second group, 'SRE-250', was treated with cBSA (10 mg/kg, i.p.) and SRE (250 mg/kg, p.o.). The third group, 'SRE-500', was treated with cBSA (10 mg/kg, i.p.) and SRE (500 mg/kg, p.o.). After cBSA and SRE treatment for 4 weeks, gain in body weight, 24hrs proteinuria, serum albumin, total cholesterol, triglyceride, BUN and creatinine of all groups were measured. TNF-$\alpha$, IL-6, IL-1$\beta$, IL-10, IFN-$\gamma$, IgA, IgM and IgG levels of all groups were gauged. H&E staining and electron microscopy of the kidney were observed. Results: SRE showed significant decrease in the 24hrs proteinuria, serum triglyceride, BUN, TNF-$\alpha$, IL-6, serum IgA, IgM and IgG levels compared with the control group. SRE showed increase in the serum IL-10 and IFN-$\gamma$ levels compared with control on RT-PCR. SRE considerably decreased in the thickening of the GBM on H&E staining and deposition of electron-density on electron microscopy of the kidney compared with the control. Conclusions: According to the above results, it is suggested that SRE decreases the symptoms of MN induced by cBSA in mouse model. Therefore, SRE seems to be applicable to MN in clinical practice.
Kang, In Soon;Kim, Rang Ie;Kim, Gwang Sub;Kim, Na Ri;Shin, Joong Yup;Kim, Chaekyun
Journal of the Korean Society of Food Science and Nutrition
/
v.44
no.11
/
pp.1629-1636
/
2015
The edible mushroom Agaricus blazei Murill is known to have many physiological functions, including antitumor, antiviral, and anti-inflammatory effects. Aqueous extracts were obtained by extracting A. blazei in water at $90^{\circ}C$ for 15 h, followed by spray-drying with dextran at a 70:30 ratio. In this study, we examined the immunomodulatory effect of A. blazei Murill water extract (ABM) in BALB/c mice. Mice were administered orally with 4, 20, and 100 mg/kg of ABM for 21 days. ABM-treated mice did not show significant differences in body and organ weights compare to saline-treated control mice. Splenocytes isolated from ABM-administered mice revealed similar levels of cellularity and proliferation compared to control mice, whereas they showed increased natural killer (NK) cell activity and decreased IL-4 and IL-12 production. Different from in vivo results, splenocytes isolated from normal mice showed increased proliferation and $INF-{\gamma}$ production following ABM treatment in vitro. In addition, ABM treatment enhanced macrophage proliferation and nitric oxide (NO) production in a dose-dependent manner. However, ABM had no effect on LPS-induced NO production. These results suggest that A. blazei modulates immune function by increasing NK cell activity and macrophage function.
Journal of the Korean Society of Food Science and Nutrition
/
v.45
no.3
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pp.445-451
/
2016
This study demonstrated the immunological effects of methanol extracts from Doenjang added with wild plants (Pteridium aquilinum and Aster scaber) on bone-marrow derived macrophages and mouse splenocytes. Doenjang (DJ) and wild plant added Doenjang (WPDJ) extracts were treated to bone-marrow derived macrophages (BMDM) and splenocytes, and cell proliferation and cytokine production were measured. Cell proliferation of BMDM and splenocytes was more highly elevated in the WPDJ-treated group compared to the DJ-treated group. Cytokine [tumor necrosis factor (TNF)-${\alpha}$, interleukin (IL)-6, IL-$1{\beta}$, IL-10, and IL-12] production in BMDM also significantly increased in the WPDJ-treated group. Similarly, in the case of cytokine production in splenocytes, WPDJ treatment highly increased production of Th 1 type cytokines [interferon (IFN)-${\gamma}$ and IL-2] but did not affect production of Th 2 type cytokines (IL-4). These results suggest that wild plants could improve the immunomodulatory activity of Doenjang and may be effective for the development Doenjang.
Purpose: This study was carried out to investigate the anti-inflammatory effects of Ligustri Lucidi Fructus water extract (LF) in the lipopolysaccharide (LPS)-induced mouse macrophages RAW 264.7 cell. Methods: Ligustri Lucidi Fructus was extracted with distilled water (2,000 ml) for 2 hours. In order to evaluate cytotoxicity of LF, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay was performed. To investigate anti-inflammatory effects of LF, the concentration of nitric oxide (NO) was measured with NO assay, cytokine was measured by Bio-Plex cytokine assay, and intracellular calcium (Ca) was measured with Fluo-4 Ca assay in RAW 264.7 cell. And when p-value is below 0.05, it is judged to have the significant difference statistically (P<0.05). Results: 1. LF showed no cytotoxicity. 2. LF inhibited significantly the production of NO at the concentration of 25, 50 and $100{\mu}g/ml$. 3. LF inhibited significantly the production of interleukin (IL)-4, macrophage inflammatory protein (MIP)-$1{\alpha}$, granulocyte colony stimulating factor (G-CSF) at the concentration of 25, 50, 100 and $200{\mu}g/ml$. 4. LF inhibited significantly the production of granulocyte macrophage-colony stimulating factor (GM-CSF), vascular endothelial growth factor (VEGF) at the concentration of 50, 100 and $200{\mu}g/ml$, the interferon (IFN)-${\gamma}$ at 25, 50 and $100{\mu}g/ml$ respectively. 5. LF inhibited significantly the production of IL-$1{\beta}$ at the concentration of 50 and $200{\mu}g/ml$, the IL-5 at 25 and $100{\mu}g/ml$, the IL-12p70, MIP-$1{\beta}$ at 50 and $100{\mu}g/ml$, the regulated on activation, normal T cell expressed and secrete d (RANTES) at 100 and $200{\mu}g/ml$ respectively. 6. LF inhibited significantly the production of IL-10, interferon gamma-induced protein (IP)-10 at the concentration of $200{\mu}g/ml$. 7. LF inhibited significantly the production of intracellular Ca at the concentration of 25, 50, 100 and $200{\mu}g/ml$. Conclusions: These results suggest that LF has anti-inflammatory effect and immuno-modulating activity.
In order to examine the functionality of broccoli sprout (Brassica oleracea, BS), solvent extracts were prepared and their anti-oxidative and immunomodulating activities were compared with those of broccoli (B). EtOH extracts (E) were potently higher than hot-water extracts (HW) in the antioxidant contents and radical scavenging activity. In particular, the total polyphenolic contents in addition to ABTS and DPPH radical scavenging activity were significantly higher in EtOH extract of broccoli sprout (BS-E; 9.15 mg GAE/g, 4.52 mg AEAC/g, and 1.14 mg AEAC/g) compared with that of broccoli (B-E; 7.83 mg GAE/g, 3.63 mg AEAC/g, and 0.97 mg/AEAC/g). Whereas, total flavonoid content was significantly higher in B-E (1.60 mg QE/g) than BS-E (1.43 mg QE/g). Anti-inflammatory activity was investigated using LPS-induced cell line model at a concentration of $10{\sim}100{\mu}g/mL$, in which all solvent extracts of both broccoli sprouts and broccoli were not toxic to RAW 264.7 cell lines. In anti-inflammatory activity of broccoli sprouts, EtOH extracts also showed significantly more potent activity than hot-water extracts in all sample concentrations tested. In addition, BS-E ($100{\mu}g/mL$) inhibited nitric oxide (NO) and IL-6 production to 60.9% and 68.9% compared with the LPS inflammation group (without extracts), whereas B-E inhibited 49.6% and 54.9%. On the other hand, in immunostimulating activity by splenocytes and macrophages, hot-water extract showed significantly higher activity than EtOH extract. Especially, BS-HW stimulated the splenocyte proliferation (1.2-fold against saline group) and IFN-${\gamma}$ production (264.39 pg/mL) at $100{\mu}g/mL$, and the production of IL-6 (1.33-fold), IL-12 (1.09-fold) and TNF-${\alpha}$ (1.49-fold) from macrophages was also significantly enhanced over broccoli. In conclusion, broccoli sprouts showed more potent anti-oxidative, anti-inflammatory and immunostimulating activity than broccoli, suggesting the possibility of using broccoli sprouts as functional food materials.
Fascioliasis is one of the public health problems in the world. Cysteine proteinases (CP) released by $Fasciola$$gigantica$ play a key role in parasite feeding, migration through host tissues, and in immune evasion. There has been some evidence from several parasite systems that proteinases might have potential as protective antigens against parasitic infections. Cysteine proteinases were purified and tested in vaccine trials of sheep infected with the liver fluke. Multiple doses (2 mg of CP in Freund's adjuvant followed by 3 booster doses 1 mg each at 4 week intervals) were injected intramuscularly into sheep 1 week prior to infect orally with 300 $F.$$gigantica$ metacercariae. All the sheep were humanely slaughtered 12 weeks after the first immunization. Changes in the worm burden, ova count, and humoral and cellular responses were evaluated. Significant reduction was observed in the worm burden (56.9%), bile egg count (70.7%), and fecel egg count (75.2%). Immunization with CP was also found to be associated with increases of total IgG, $IgG_1$, and $IgG_2$ ($P$<0.05). Data showed that the serum cytokine levels of pro-inflammatory cytokines, IL-12, IFN-${\gamma}$, and TNF-${\alpha}$, revealed significant decreases ($P$<0.05). However, the anti-inflammatory cytokine levels, IL-10, TGF-${\beta}$, and IL-6, showed significant increases ($P$<0.05). In conclusion, it has been found that CP released by $F.$$gigantica$ are highly important candidates for a vaccine antigen because of their role in the fluke biology and host-parasite relationships.
Background: Dengue virus, which belongs to the Flavivirus genus of the Flaviviridae family, causes fatal dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS) with infection risk of 2.5 billion people worldwide. However, approved vaccines are still not available. Here, we explored the immune responses induced by alternating prime-boost vaccination using DNA vaccine, adenovirus, and vaccinia virus expressing E protein of dengue virus type 2 (DenV2). Methods: Following immunization with DNA vaccine (pDE), adenovirus (rAd-E), and/or vaccinia virus (VV-E) expressing E protein, E protein-specific IgG and its isotypes were determined by conventional ELISA. Intracellular CD154 and cytokine staining was used for enumerating CD4+ T cells specific for E protein. E protein-specific CD8+ T cell responses were evaluated by in vivo CTL killing activity and intracellular IFN-${\gamma}$ staining. Results: Among three constructs, VV-E induced the most potent IgG responses, Th1-type cytokine production by stimulated CD4+ T cells, and the CD8+ T cell response. Furthermore, when the three constructs were used for alternating prime-boost vaccination, the results revealed a different pattern of CD4+ and CD8+ T cell responses. i) Priming with VV-E induced higher E-specific IgG level but it was decreased rapidly. ii) Strong CD8+ T cell responses specific for E protein were induced when VV-E was used for the priming step, and such CD8+ T cell responses were significantly boosted with pDE. iii) Priming with rAd-E induced stronger CD4+ T cell responses which subsequently boosted with pDE to a greater extent than VV-E and rAd-E. Conclusion: These results indicate that priming with live viral vector vaccines could induce different patterns of E protein-specific CD4+ and CD8+ T cell responses which were significantly enhanced by booster vaccination with the DNA vaccine. Therefore, our observation will provide valuable information for the establishment of optimal prime-boost vaccination against DenV.
Objectives : The anti-inflammatory and antioxidant effects of water extracts of Sasangja-tang(SSJ) and Gami-sasangja-tang(GSJ) were investigated. The effects of SSJ and GSJ were compared. Methods : We performed cell viability assay in HaCaT cells and RAW 264.7 cells using 3-(4,5-dimethylthiazol-2-yl)-2, 5 diphenyltetrazolium bromide(MTT) assay. We measured chemokines(regulated on activation normal T-cell expression and secreted ; RANTES/CCL5, interferon-inducible protein; IP-10/CXCL10, macrophage-derived chemokine; MDC/CCL22) in HaCat cells, also we measured cytokines (tumor necrosis factor-${\alpha}$; TNF-${\alpha}$, interleukin-6; IL-6) and nitric oxide(NO) production in RAW 264.7 cells using enzyme-linked immunosorbent assay(ELISA) and NO assay. Western blot assay was used to evaluate the expression for inducible nitric oxide synthase(iNOS) in RAW 264.7 cells. Results : SSJ and GSJ did not affect the cell viability at the concentrations treated ($0-800{\mu}g/ml$). As a result of SSJ and GSJ treatment in HaCat cells stimulated by TNF-${\alpha}$(10 ng/ml) and interferon(IFN)-${\gamma}$(10 ng/ml), the production of RANTES and IP-10 was inhibited significantly. However there was no significant difference in the secretion of MDC. And in RAW 264. 7 cells stimulated by lipopolysaccharide(LPS, $1{\mu}g/ml$), SSJ and GSJ treatment significantly inhibited the secretion of TNF-${\alpha}$ and IL-6 and the production of NO. The expression of iNOS was also decresed by SSJ and GSJ treatment in RAW 264. 7 cells. Compared with SSJ, GSJ was superior to SSJ in inhibition of RANTES, IP-10, TNF-${\alpha}$, IL-6 and NO production at the concentration of $200{\mu}g/ml$. Conclusion : Both SSJ and GSJ have anti-inflammatory and antioxidant effects. And GSJ has better effects than SSJ.
Objective : This study was purposed to investigate the anti-cancer and anti-metastasis and immune response of Aqua-acupuncture with Amomum amarum Lourerio infusion solution. Methods : The Amomum amarum Lourerio infusion solution put into Chung-wan(CV12) of BALB/c or C57BL6 mice were rised to cancer by B15-F10 and HT1080, S-180 cancer cell line. Results : The following result have been obtained 1. The effect on expression of MMP-9 gene about the HT1080 cancer cell line was increased in 100, $50{\mu}g/m{\ell}$ diluent groups, compared with control group. 2. The effect on expression of MMP-9 gene about the B15-F10 cancer cell line was increased in all the sample groups, compared with control group. 3. S-180 cancer cell line transplants in BALB/c mice were inhibited significantly in weight inctease in all the sample groups, compared with control group. 4. The effect on spleen cell proliferation was decreased in all the sample groups, compared with control group. 5. The $IFN-{\gamma}$ in all the sample groups and the $TNF-{\alpha}$ in 25 and $12.5{\mu}g/m{\ell}$ diluent groups was increased. 6. In flow cytometry, the number of CD4+, CD19+ cell in all the sample group was increased and the number of CD8+ cell in $100{\mu}g/m{\ell}$ diluent group, compared with control group. Conclusion : According to the result, Aqua-acupuncture with Amomum amarum Lourerio infusion solution has significant anti-cancer, anti-metastasis and Immune response improvement.
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