Journal of the Korean Society of Food Science and Nutrition
/
v.33
no.3
/
pp.469-474
/
2004
The objective of the current study was to determine the effects of arabinoxylane and polysaccharide peptide (PSP) on the immune cell functions. Both arabinoxylane and PSP increased plaque forming cell (10-15%) and rosette forming cell (10-30%) formation. Stimulation of macrophage with PSP (18%) and arabinoxylane (22%) resulted in increased phagocytic effects. Both arabinoxylane and PSP induced the tumor suppressive effect in mice injected sarcoma-180 cell intracutaneously. When the mice injected intraperitoneal cavity with sarcoma 180 cells, survival ratio was increased in the mice fed on arabinoxylane and PSP. The ratio of PCA was slightly decreased in the mice fed on PSP, especially fed on arabinoxylane than in the control mice. The concentrations of blood histamine were slightly decreased in the mice fed on arabinoxylane and PSP. These results suggest that the capacity of arabinoxylane and PSP seems to act as a potent immunomodulator causing augmentation of immune cell activity, and with the absence of notable side-effects, arabinoxylane and PSP could be used as a biological response modifier having possible therapeutic effects against immunological disorders.
Journal of the Korean Society of Food Science and Nutrition
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v.33
no.2
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pp.278-286
/
2004
The objective of the current study was to determine the effects of arabinoxylane and PSP on mouse splenocytes, T cells, B cells and macrophages in vitro. Arabinoxylane and PSP directly induced the proliferation of spleen cells in a dose-dependent manner and increased IFN-${\gamma}$ synthesis. Especially, PSP induced IL-2, IL-4 and IL-10 production, Both arabinoxylane and PSP increased PFC (plaque forming cell) and RFC (rosette forming cell) formation. Arabinoxylane was not induced the proliferation of T cells, but PSP directly induced the proliferation of T cells in a high dose. Arabinoxylane and PSP increased the proliferation of B cells and the phagocytic effects of macrophage. When arabinoxylane and PSP were used in macrophage cell line stimulation, there was a marked induction of NO synthesis in a dose-dependent and an increased TNF-$\alpha$ and IL-6 synthesis. Especially, PSP also induced IL-1$\beta$ production. When arabinoxylane and PSP treated in macrophage cell line, there was induction of MHC class II expression. These results suggest that the capacity of arabinoxylane andPSP seem to act as a potent immunomodulator causing augmentation of immune cell activity, and with the absence of notable side-effects, arabinoxylane and PSP could be used as a biological response modifier having possible therapeutic effects against immunological disorders.
In this study, four different oils containing either CLA, GLA, GLA+Carnitine or corn oil (control) were supplemented to finishing pigs (average 70.8 kg initial BW) diet for 28 d of feeding period. To evaluate the values of the dietary fatty acids, especially in view of sensory and nutritional characteristics of pork; pig performances, carcass characteristics, serum cholesterol, neutrophil phagocytosis, TBARS, electronic nose flavor and fatty acids profile of pork were measured. There were no differences in daily gain and nutrients digestion among treatments, but daily feed intake of CLA enriched diet was lower (P<0.05) than that of other diets. There were no differences in backfat thickness, dressing percentage and carcass grade among pigs fed diets supplemented with different oils. Serum total cholesterol showed a tendency to be lowered in pigs fed GLA enriched diet. TBARS values during storage of pork were higher in belly from pigs fed control diet whereas the values of belly from pigs fed GLA+Carnitine diet were lower than others. However, difference in TBARS was not remarkable in adipose tissue and 4 weeks extended storage regardless of pork parts. Proportion of saturated fatty acids such as C16:0 and C18:0 were higher (P<0.05) in pork loin and thin skirt from pigs fed CLA enriched diet compared to those from other diets. There were no differences in fatty acids profiles of belly and adipose tissue. CLA accumulation in pork was increased by the dietary CLA supplementation and this could be also confirmed by a slight de novo synthesis of CLA in pork from pigs fed CLA free diets. GLA was selectively accumulated to pork adipose tissue and loin from pigs fed GLA enriched diets. There was no accumulation of GLA when GLA was not supplemented, indicating no de novo synthesis of GLA. Phagocytic activity was the highest (p<0.05) in neutrophil of pigs fed GLA+Carnitine supplemented diet, then, followed by pigs fed GLA supplemented diet. There was no difference in phagocytosis between control and CLA treatment although the phagocytosis was numerically lowest in pig fed CLA enriched diet. There were distinct differences in electronic nose flavor pattern among treatments regardless of the parts. This study showed that dietary supplementation of functional fatty acids like CLA or GLA was able to result in characteristic differences in feed intake, TBARS, fatty acids profile and flavor of pork, serum cholesterol regulation and neutrophil phagocytosis.
The Journal of the Korean Society for Microbiology
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v.9
no.1
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pp.13-18
/
1974
Blood is one of the most important clinical specimens for the isolation of bacteria. A rapid isolation and a high isolation rate of bacteria are very important in blood culture because bacteremic patients are mostly in grave condition. Various blood culture media which support growth of most fastidious bacteria are available commercially. However, growth of bacteria are frequently delayed because of antibacterial activity of blood. Sodium polyanethol sulfonate(Liquoid) has been reported to inactivate the antibacterial substance and disrupt phagocytic cells. The beneficial effect of SPS is well recognized in the isolation of gram-positive bacteria. However, the effect does not seem to be prominent for gram-negative bacilli isolation mainly due to the rapidity of their growth. It has been experienced with Sal. typhi that the growth is much slower than that of other gram-negative bacilli. For the rapid growth of the organism, use of bile broth has been recommended. Although Sal. typhi is the most frequently isolated organism at present, about one half of total isolates are other organisms and, in case bile broth is used, other media which support growth of these organisms should be used together. Fluid thioglycollate medium(FTM) which is always used in blood culture to isolate anaerobes is inferior to brain heart infusion(BHI) for the isolation of aerobes. This study was done to determine the effect of SPS on the isolation of Sal. typhi from blood. During the Sep. 1973 to Sep. 1974 study period, 2460 blood cultures were made from the Severance hospital patients: BHI and FTM sets 1431 specimens, BHI with SPS(0.05%) and FTM sets 396 specimens, BHI and FTM with SPS sets 359 specimens, BHI and BHI with SPS sets 274 specimens. Mean incubation time required for the macroscopic detection of growth of Sal. typhi were 3.5 days on BHI and 2.7 days on BHI with SPS. The 0.8 day difference was statistically significant. On FTM the mean incubation time was 3.8 days while it was 2.9 days on FTM with SPS. The 0.9 day difference was statistically significant. The result on BHI with and without SPS sets showed faster growth on BRI with SPS in 7 specimens and slower growth in one specimen and the remaining 12 showed growth at the same time. These specimens had mean incubation time of 3.2 days on BHI and 2.3 days on BHI with SPS. The 0.9 day difference was statistically significant. This study indicates beneficial effect of SPS for the rapid isolation of Sal. typhi from clinical blood specimens.
The purpose of this research was to investigate the effects of Indongdeungjikolpitang water extract(IJTE) on the complication of diabetes. IJTE did not affect the level of blood glucose in alloxan- or streptozotocin-induced hyperglycemic mice, but inhibited the motility of gastrointestine. IJTE inhibited the writhing syndrome induced by acetic acid, the permeability of evans blue into peritoneal cavity induced by acetic acid, the paw edema induced by histamine, and the formation of cotton pellet granuloma. IJTE increased the cell viability of thymocytes and splenocytes. IJTE decreased the release of ${\gamma}-interferone$(${\gamma}-IFN$) and interleukin-2(IL-2), but did not affect the release of interleukin-4(IL-4) from murine thymocytes. IJTE increased the release of IL-4 and decreased the release of tumor necrosis $factor-{\alpha}$($TNF-{\alpha}$) and $interleukin-1{\beta}$($IL-1{\beta}$), but did not affect of ${\gamma}-IFN$ and IL-2 from murine splenocytes. IJTE decreased the release of $TNF-{\alpha}$ and $IL-1{\beta}$ from murine peritoneal macrophages. IJTE decreased the production of niric oxide(NO) from murine peritioneal macrophages and increased the phagocytic activity of murine peritoneal macrophages. These results suggest that IJTE has an anti-inflammatory action via the inhibition of $TNF-{\alpha}$, $IL-1{\beta}$ and NO production from immune cells.
Present study was undertaken to elucidate the changes of the ultrastructure of Naegleria fowleri trophozoite in brain tissue of mice and culture medium. Naegleria fowleri, 0359 strain, which used in this study was cultured in axonic liquid medium, CGVS medium. Each mouse was inoculated with amoebas intranasally under secobarbital anesthesia, and sacrificed on 7th day after the infection. Comparative observation of the ultrastructure of the amoebas in axonic culture and experimentally infected mice brain was done with transmission electron microscope. The results are summarized as follows: 1. The amoebas in mouse brain tissue were round in outline, whereas those of amoebas from axonic culture showed irregular appearance. 2. Mitochondria in the amoebas from axonic culture was oval, round and cylindrical shape and darkly stained, whereas those of the amoebas from mouse brain tissue showed dumbbell shape together with above forms. The stain was not unique, but light and/or dark. 3. Rough endoplasmic reticulum of amoebas in brain tissue was tubular, but from culture it was vesicular or tubular in shape. 4. Emity vacuoles were demonstrated in amoebas from culture, while food vacuoles with myelinated structures were abundant in those from tissue, suggesting a strong phagocytic activity. 5. Mouse brain tissue in ected were extensively destroyed, and Polymorphonuclear leukocytes were infiltrated predominantly with inflammatory lesion. Amoebas were observed in the vicinity of the capillary.
Kim, Jin-Myung;Chung, Chong-Pyoung;Lee, Young-Hee;Lee, Jin-Yong
The Journal of the Korean Society for Microbiology
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v.21
no.4
/
pp.441-446
/
1986
Previous studies have demonstrated that phagocytosis of encapsulated bacteria needs the opsonization of bacteria with immunoglobulin and complement. Several investigators have studied the role of specific antibody to the bacteria. The purpose of this study is to investigate the role of specific anti-Actinobacillus actinomycetemcomitans Y4($A{\alpha}Y4$) antibody, which was obtained from the immunized rabbit serum for phagocytosis of $A{\alpha}Y4$ by PMNL. For this study, specific and nonspecific IgG were separated from the sera of the rabbits and PMNL were isolated from 15 healthy adults. By an enzyme-linked immunosorbent assay, the results showed that the binding capacity of anti-$A{\alpha}Y4$ IgG to $A{\alpha}Y4$ was much higher than that of nonspecific IgG; 0.75 and 0.14(O.D. at 400nm), respectively. The oxygen consumption of PMNL, phagocytizing $A{\alpha}Y4$ which was opsonized with specific $A{\alpha}Y4$ IgG(37.13 nmol/min/$1{\times}10^7$ PMNL), was significantly higher than that with nonspecific IgG(27.95 nmol/min/$1{\times}10^7$ PMNL, p<0.01). In immunofluorescence microscopic examination, the difference between the numbers of the ingested $A{\alpha}Y4$ opsonized with specific anti-$A{\alpha}Y4$ IgG and nonspecific IgG reached to statistically significant level; $184{\pm}11.4$ and $133.2{\pm}8.3$ per 100 PMNL, p<0.05. These results suggest that specific anti-$A{\alpha}Y4$ IgG has a significant role in PMNL phagocytosis of encapsulated $A{\alpha}Y4$ and also it can be available to adopt this system to develop anti-capsular antibody to $A{\alpha}Y4$ for enhancing and emphasizing the phagocytic activity against this bacterium.
Objectives : To investigate the anti-inflammatory effects of Scutellaria baicalensis Georgi pharmacopuncture in lipopolysaccharide (LPS)-induced inflammatory rat model. Methods : Sprague-Dawley rats were divided into 4 groups; LPS control (n=6), LPS+Scutellaria baicalensis Georgi pharmacopuncture at BL23 (n=6, BL23), LPS+Scutellaria baicalensis Georgi pharmacopuncture at CV12 (n=6, CV12), and LPS+Scutellaria baicalensis Georgi pharmacopuncture at GV4 (n=6, GV4). Pharmacopuncture was given every two days for 4 weeks followed by inflammation induction by intraperitoneal LPS injection (5mg/kg). Blood, liver tissue, and peritoneal lavage fluid were taken and proinflammatory cytokines and other related factors were analysed. Results : For proinflammatory cytokines, CV12 pharmacopuncture group was significantly different compared with the control group in plasma IL-$1{\beta}$, IL-6, TNF-$\alpha$, and IL-10 5 h after LPS injection (P<0.05). For plasma IL-$1{\beta}$ and IL-6, CV12 pharmacopuncture group also showed significant difference at 2 h compared with the control (P<0.05). GV4 pharmacopuncture group was significantly different compared with the control at 5 h in plasma IL-$1{\beta}$, IL-6, and TNF-$\alpha$ and at 2 h in IL-10 (P<0.05). Liver cytokines were analyzed at 5 h after LPS injection; only CV12 pharmacopuncture group showed significant difference in IL-$1{\beta}$ (P<0.05) and others including IL-6, TNF-$\alpha$, and IL-10 had no difference compared with the control group. CD4/CD8 ratio and the phagocytic activities of polymorphonuclear neutrophils were not different from those of control group in all pharmacopuncture groups (P>0.05). Plasma NO3-/NO2- and intracellular adhesion molecule-1 of CV12 pharmacopuncture group were significantly lower than that of the control group (P<0.05). In the plasma concentration of prostaglandin E2, all 3 pharmacopuncture groups had significantly lower values than that of the control group (P<0.05), but there was no difference among pharmacopucnture groups. Monocyte chemoattractant protein-1 and cytokine-induced neutorphil chemoattractant-1 in peritoneal lavage fluid was significantly decreased in CV12 pharmacopuncture group compared with the control group (P<0.05). Conclusions : These results indicate that Scutellaria baicalensis Georgi pharmacopuncture at CV12 may have a potent anti-inflammatory effect in an LPS-induced inflammatory rat model.
Goo, Jung Hyun;Lee, Ji Eun;Myung, Cheol Hwan;Park, Jong Il;Hwang, Jae Sung
Journal of the Society of Cosmetic Scientists of Korea
/
v.41
no.3
/
pp.243-252
/
2015
Melanosome, the pigment granule in melanocyte, determines the color of skin when it moves into the keratinocyte. Inhibition of melanosome transfer from melanocyte to keratinocyte results in skin depigmentation. Protease activated receptor-2 (PAR-2) is involved in signal transduction systems via cell membrane and increases the melasome transfer when it is activated by cleavage of their extracellular amino acid sequence by trypsin or by a peptide such as SLIGKV. Here, we showed that lobaric acid inhibited PAR-2 activation and affected the mobilization of $Ca2^+$. The uptake of fluorescent microspheres and isolated melanosomes from melan-a melanocytes to keratinocytes induced by SLIGKV were inhibited by lobaric acid. Also, confocal microscopy studies illustrated a decreased melanosome transfer to keratinocytes in melanocyte-keratinocyte co-culture system by lobaric acid. In addition, lobaric acid induced visible skin lightening effect in human skin tissue culture model, melanoderm$^{(R)}$. Our data suggest that lobaric acid could be an effective skin lightening agent that works via regulation of phagocytic activity of keratinocytes.
Effects of Korean mistletoe extracts (KM-110), Viscum album coloratum on the specific and non-specific immune responses of Japanese eel Anguilla japonica were examined. The optimal concentration not showing toxicity of KM-110 was determined to $30-40{\mu}g/ml$ in vitro and $100{\mu}g$/100 g of fish in vivo. Even $1000{\mu}g$ of KM-110/100 g of fish did not show any clinical problem in fish though the levels of toxic parameters were slightly increased. In terms of antibody production, KM-110 significantly elicited more antibody production than FCA or $\beta$-glucan. $\beta$-glucan plus KM-110 group synergistically enhanced antibody production. There was no significant difference between KM-110 and KM-110 plus $\beta$-glucan group. The ROI production by head kidney (HK) leucocytes of eel injected with 500 or $1000{\mu}g$ KM-110 was significantly (P<0.05) enhanced than the control and FCA-treated group. Maximum increase in the NBT reduction value was observed in $1000{\mu}g$ KM-110 group but no significant difference was found between 500 and $1000{\mu}g$ KM group. The level of serum lysozyme activity was significantly (P<0.05) higher in the 500 and $1000{\mu}g$ KM-110- or FCA-treated group than in the control and $200{\mu}g$ KM-110 group. The phagocytic activities of HK leucocytes isolated from eel injected with 500 and $1000{\mu}g$ KM-110 were significantly (P<0.05) higher than $200{\mu}g$ KM-110 and PBS-injected control group. Korean mistletoe appeared to be a good activator of the specific and non-specific immune responses of Japanese eel.
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