Journal of the Korean Society of Food Science and Nutrition
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v.24
no.6
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pp.837-842
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1995
Hot red pepper(Capsicum annum L.) has been extensively used as a spicy food additive and preservative in Korea. In this study, we investigated the effect of dietary hot red pepper powder on humoral immune response in rats. Sprague-Dawley rats were divided into 4 groups and fed experimental diets containing 0, 2, 5, 10% hot red pepper powder for 27 days. All groups were immunized with sheep red blood cells. In order to measure the immune response, plaque-forming cell number, agglutination titer, and serum antibody level were measured. Tissue ascorbic acid contents were also determined by high-performance liquid chromatogrphy. There was an increased plaque-forming cell number, agglutination titer, and serum IgG level in the groups supplemented with hot red pepper powder as compared to control. Tissure ascorbic acid contents in the hot pepper powder supplemented group were higher than those of control. The results suggest that the dietary hot red pepper powder enhances humoral immune response in rats, indicating that the hot pepper contains biological response modifier.
We investigated the immunomodulatory actions of water extract from Acanthopanax senticosus in male ICR mice. The mice were treated with fermented milk containing three added doses of freeze dried extract: 3 mg/kg (A), 9 mg/kg (B), and 27 mg/kg (C) of body weight with Acanthopanax senticosus: Codonopsis lanceolata (8:2) for 7 and 10 weeks, respectively. Organ weights, plaque-forming cell tests, agglutination tests, IgG tests, differential white cell counts, and histological tests were performed at the 7th and 10th weeks of dietary treatment. There were no significant differences in body weight and organ weight. The spleen indices of group B at 7 weeks and group C at 10 weeks were significantly higher than those of the control group (p<0.05). For the plaque-forming cell test, groups B and C at 7 weeks, and group C at 10 weeks, showed significant increases over the control group (p<0.05). The agglutination test decreased with an extended experimental period. Groups A, B, and C at 7 weeks, and groups B and C at 10 weeks, had greater antibody responses to sheep red blood cells (SRBC) than the control group. The IgG antibody production of group C at 7 weeks and groups B and C at 10 weeks were significantly higher than the control group (p<0.05). In groups B and C, lymphocyte percentage was higher than the control group, and their spleen and thymus tissues showed active immune reactions.
These experiments were conducted to investigate the effects of glycyrrhizin(GL) and glycyrrhetinic acid(GA) on histamine synthesis, lymphocyte blastogenesis in C57BL/6J mice splenocytes, IL-1 production, $Ca^{2+}$ uptake by macrophage-like P388D$_{1}$ cells and plaque forming cell assay against SRBC. Histamine contents, lymphocyte blastogenesis, IL-1 activity, $Ca^{2+}$ uptake and plaque forming cell were determined by enzyme isotope method, [sup 3/H]-thymidine incorporation, C3H/HeJ mouse thymocytes proliferation, the addition of 5 $\mu$Ci/ml $^{45}$Ca$^{2+}$ to P388D$_{1}$, cell suspension and assay to sheep red blood cell, respectively. Cytotoxicity, which was expressed as 50% mortality, was occurred by the addition of GL(10$^{-3}$M) and GA(10$^{-4}$M). Histamine production in mouse spleen cell culture was significantly increased by the addition of 0.25 $\mu\textrm{g}$/ml of Con A, after 48 hour incubation. Con A dependent T-lymphocyte proliferation was also enhanced by the addition of 0.25 .mu.g/ml of Con A. The effects of GL on histamine contents and T-lymphocyte proliferation were significantly decreased at high dose (10$^{-5}$M), while IL-1 activity was remarkably suppressed by 10$^{-8}$~10$^{-4}$M of GL. $Ca^{2+}$ uptake was not changed, but antibody production was increased by GL(10 mg/kg). GA inhibited histamine contents at 10$^{-9}$~10$^{-7}$ and depressed Con A (0.25 $\mu\textrm{g}$/ml) dependent T-lymphocyte proliferation at 10$^{-7}$~10$^{-5}$M of GA, but increased suboptimal dose (Con A 0.1 $\mu\textrm{g}$/ml) at 10$^{-9}$~10$^{-7}$M of GA. IL-1 activity was suppressed by 10$^{-8}$~10$^{-4}$M of GA and $Ca^{2+}$ uptake was enhanced by 10$^{-9}$~10$^{-6}$ of GA, but antibody production was not changed by GA. From the above results, it is suggested that GL and GA have immuno-regulatory action. GL decreased cell-mediated immune response, and increased humoral immune response at high dose. On the other hand, low dose of GA enhanced cell-mediated immune response, while high doses of GA decreased humoral immune reaction.
Kim, Do Hyung;Kim, Hyo Jin;Yeo, Hyerin;Lee, Cheon Goo;Lee, Sang Hwa
Journal of the Society of Cosmetic Scientists of Korea
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v.42
no.2
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pp.145-152
/
2016
Epidermis is continuously regenerated by keratinocyte stem cells (KSCs) residing in basement membrane, which is critical to the survival of an organism. KSCs are believed to persist during the whole lifetime and generate an enormous number of keratinocytes, required for the maintenance of epidermis, through transit amplifying cells dividing definite times until they become differentiated. In this report, we have developed a phenolic compound, paeonol, purified from Moutan Cortex, as a KSC proliferation activator, by screening about 350 herbal compounds. The cell proliferation activation by paeonol is specific for KSC not for keratinocyte, and no significant difference in the expression of p63 protein, a KSC marker, in KSCs treated with paeonol was observed in FACS analysis with anti-p63 antibody. In the colony forming assay, paeonol-treated KSC showed improved colony forming activity more than 1.3 fold. In addition, the result of PCR array shows that the activity of paeonol is through several signal pathways involving stem cell functions. These results suggest that paeonol could enhance KSC proliferation activity without reduction in stemness and could be applied to cosmetics as a KSC activating ingredient.
Saba, Evelyn;Lee, Yuan Yee;Kim, Min Ki;Kim, Seung-Hyung;Hong, Seung-Bok;Rhee, Man Hee
Journal of Ginseng Research
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v.42
no.4
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pp.577-584
/
2018
Background: Ginseng (Panax ginseng) is a widely used traditional herbal supplement that possesses various health-enhancing efficacies. Various ginseng products are available in market, especially in the Korean peninsula, in the form of drinks, tablets, and capsules. The different ginseng types include the traditional red ginseng extract (RGE), white ginseng, and black red ginseng extract (BRGE). Their fermented and enzyme-treated products are also available. Different treatment regimens alter the bioavailability of certain compounds present in the respective ginseng extracts. Therefore, in this study, we aimed to compare the antioxidant and immune-stimulating activities of RGE, BRGE, and fermented red ginseng extract (FRGE). Methods: We used an acetaminophen-induced oxidative stress model for investigating the reduction of oxidative stress by RGE, BRGE, and FRGE in Sprague Dawley rats. A cyclophosphamide-induced immunosuppression model was used to evaluate the immune-stimulating activities of these ginseng extracts in BALB/c mice. Results: Our results showed that most prominently, RGE (in almost all experiments) exhibited excellent antioxidant effects via increasing superoxide dismutase, catalase, and glutathione peroxidase activities in the liver and decreasing serum 8-hydroxy-2'-deoxyguanosine, aspartate aminotransferase, and lactate dehydrogenase levels compared with the groups treated with FRGE and BRGE. Moreover, RGE significantly increased the number of white blood cells, especially T and B lymphocytes, and antibody-forming cells in the spleen and thymus, and it also activated a number of immune cell subtypes. Conclusion: Taken together, these results indicate that RGE is the best supplement for consumption in everyday life for overall health-enhancing properties.
The present study is intended to observe the chronologic changes of experimental sparganosis by histopathological observation and detection of circulating anti-sparganum IgG antibody using ELISA. Each of 25 mice was infected with aye spargana, and they were examined after 1, 2, 4, 10 weeks or 6 months from infection. The followings are summarized results. - 1. The plerocercoids were detected in the subcutaneous tissue of the trunk, neck or axilla, but a few often extended into the skeletal muscle. The recovery rates were 72% at the first week, 80% at the second week, 95% at the fourth week, 92% at the tenth week and 100% at .the sixth month. The larvae grew slowly in both length and weight until 6 months. 2. Histopathologically, most of the larvae were observed alive in the soft tissue or skeletal muscle. Numerous eosinophils, neutrophils, Iymphocytes and plasma cells were infiltrated focally around the worms by the second week, but they surrounded the worms to form a layer of inflammatory reaction after 4 weeks of infection. Also histiocytes and fibroblasts began to appear around the inflammatory cells at 4 weeks. After 10 weeks, the worms encircled by a thin fibrous layer were found. After 6 months, the worms were surrounded by either fibrous tissue or active inflammatory cells. The inflammation looked more severe in the tracks left by the worms, rather than around the worms. 3, The level of anti-sparganum IgG antibody in the serum showed an increase by the fourth week, and a rapid and continuous increase was observed thereafter by the tenth week after infection. The high level of the IgG antibody was maintained up to 6 months forming a plateau curve. The present results suggest that the tissue reaction and antibody production in subcutaneous sparganosis become distinctive by the fourth week after infection.
In an attempt to investigate the effect of Hymenolepis dana infection on immunological responses to sRBC in ICR strain of mice, cellular and humoral immune responses were chronologically monitored after sensitization with sRBC. Mice weighing about 20 g were allocated into artificial and natural infection groups. The shell-free eggs of H. dana were inoculated into mice on the day 0 (initial) and day 10 in the former group, and praziquantel (25 mg/kg/day) was administered for 3 days to the one half of the mice at the 15th day after the first inoculation and to all of the mice in natural infection group. In artificial infection group, the delayed-type hypersensitivity (DTH) to sRBC was considerably decreased on the day 10 after the first inoculation, and then elevated gradually to normal. Eosinophils in the peripheral blood increased slightly. The hemagglutinin (HA) and hemolysin (HE) titers during the early stage were shown to be more or less higher than those of control. Thereafter, the titers were returned to normal, followed by a transient decrease on the day 15 post-infection. The sRBC rosette and antibody-treated rosette-forming capacities on the day 15 post.infection were temporarily lowered but became higher thereafter. The mucosal mast cells (MMC) in the small intestine were gradually increased to make a peak on the day 10 post-infection and then maintained more or less at lower level. After praziquantel treatment, the DTH and the number of eosinophils were decreased slightly and the MMC number and sRBC rosette-forming capacity were considerably decreased. The titers of HA and HE and antibody-treated rosette-forming capacity, however, were elevated in general. In natural infection group, the DTH, the number of eosinophils, and MMC which were elevated due to H. dana infection were gradually returned to normal after prasiquantel treatment. The titers of HA and HE which were decreased by parasite infection were increased to normal after the treatment. However, the capacities of sRBC rosette or antibody-treated rosette formation were maintained at low levels in spite of the treatment. These results revealed that the immune responses to sRBC were significantly activated during H. dana infection, although they were transiently decreased during the days 10~15 post-infection.
The effects of mushrooms such as Lentinus edodes and Pleurotus ostreatus on anti-cancer activity through in vivo and in vitro experiments were powders of protein-bound polysaccharides in mushrooms were solubilized in 0, 5, 25 mg/kg saline, respectively and were used in vitro experiments. The in vivo experiments were carried out as followed: i) anti-cancer activities on Leukemia $(L_{1210})$, Hepatlicus cancer $(H_{22})$ and Sarcoma180/(S180), and ii) the effect on immune system through changes in intestine weight and the number of hemolytic plague forming cells. Protein-bound polysaccharides of all showed anti-cancer activity on $L_{1210}$ and fruit body of Lentinus edodes 25 mg/kg treatment group showed the highest inhibition rate (86%). Pleurotus ostreatus mycelial in medium of cultivate 25 mg/kg treatment. Fruid body of Lentinus edodes 25 mg/kg treatment group showed the highest inhibition rate (86% and 71%, respectively) on $H_{22}$ among them. The inhibition rates of fruit body and mycelial of Lentinus edodes 25 mg/kg treatment groups on S180 were 33.9% and 30.9%, respectively. Each samples of 50, 100, 200, $400\;{\mu}g/{\mu}L$ on in vitro cell toxicity test did not show significantly different cell death rates at P<0.05. In immune test, weights of liver and spleen were increased according to increase in conc. but were not significantly different at P<0.05. The weights of thymus were heavy in fruit body and mycelial of Lentinus edodes treatment group but were not significantly different at P<0.05. Hemolytic plague forming cells with antibody formation capability were significantly high in fruit body and mycelial of Lentinus edodes treatment samples.
Journal of the Korean Society of Food Science and Nutrition
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v.34
no.3
/
pp.330-335
/
2005
We have investigated the effects of Bu-Zhong-Yi-Qi- ang on the differentiation of murine bone marrow cells in methylcellulose culture. GM-CSF and IL-3 supported primarily the formation of granulocyte/mac-rophage colony formation. However, the addition of Bu-Zhong-Yi-Qi-Tang extract yielded a significant increase in the numbers of colonies and differentiated cells in the presence of GM-CSF and IL-3. We have analyzed CD11b (Mac-1) expression of differentiated cells from bone marrow by staining with monoclonal anti-CD11b antibody. The majority of colony-forming cells were in CD11b/sup +/ population. Also Bu-Zhong-Yi-Qi-Tang extract promoted the production of IL-6 and nitric oxide by macrophages. These results demonstrate that extract of Bu-Zhong-Yi-Qi-Tang, a prescription of traditional oriental medicine, is effective in supporting macrophage potential of the primary colonies.
Background: Germanium compounds are increased to use in nutrient foods and medicines in terms of antibiotics to microbes, anticancer, modulation of immune system and neutralizing heavy metal toxins. Geranti Bio-Ge Yeast, containing stable organic germanium and bound to the yeast protein was developed by Geranti Pharm. LTD. and the modulation effect in the immune system was examined in vivo and in vitro. Methods: The compound, Geranti Bio-Ge Yeast, was fed to female Balb/c mice (each group has 10 mice) for 4 weeks and the yeast powder and steamed red ginseng powder were used as control during the same feeding time points. During 4 weeks there was no symptom to be considered, and after 4 weeks feeding all mice were sacrificed to check the changes of related immune cells and subsidiary responses (i.e. cell counting, FACS, MTT, LDH, PFC assay). Results: In pre-post comparison, B cell population was increased in the group of Geranti Bio-Ge Yeast in a dose dependent manner (100 to 800 mg/kg). However, the population of T cell, dendritic cell and macrophage was not comparably changed in all doses. The ability of cytokine production and proliferation was almost same level as shown in control group. In contrast, PFC assay informed that the compound increase the antibody production ability when fed over 200 mg/kg implying that the increase of PFC number might be due to the increase of B cells. Conclusion: Over the entire study, we concluded that the compound, Geranti Bio-Ge Yeast has better potential in immune response in terms of B cell proliferation than that of positive control, red ginseng, and the compound can be one of the future candidates for a new supplementary source improving immune system activity.
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