Park, Hye-Ryung;Lee, Moon-Su;Jo, Sun-Young;Won, Hye-Jin;Lee, Hyun-Sun;Lee, Ho;Shin, Kwang-Soon
Korean Journal of Food Science and Technology
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v.44
no.2
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pp.228-234
/
2012
The varying characteristics between traditional and commercial soy sauce may be initiated by raw materials and fermentation techniques for the production of $meju$ and $koji$. We examined properties regarding polysaccharides isolated from commercial soy sauce made by the $koji$ process (CSP-0) and Korean traditional soy sauce made by the $meju$ process (KTSP-0) as well as their immuno-stimulating activities. KTSP-0 had rhamnogalacturonan II (RG-II) including 1.1% of unusual monosaccharides 3-deoxy-D-$manno$-2-octulosonic acid (KDO). Anti-complementary activities of CSP-0 and KTSP- 0 were increased dose-dependently but KTSP-0 (64.7%) was higher than CSP-0 (56%) at $1,000{\mu}g/mL$. C3 activation products were identified by crossed immuno-electrophoresis. CSP-0 caused complementary activations $via$ only classical pathway while KTSP-0 caused complementary activations $via$ both alternative and classical pathways. KTSP-0 significantly increased the secretion of interleukin (IL)-6 at $8-1,000{\mu}g/mL$ and IL-12 at $40{\mu}g/mL$ on macrophages. The results suggest that the immuno-stimulating activity of KTSP-0 is greater than that of CSP-0 from anti-complementary activity.
Seo, Min Jeong;Kang, Byoung Won;Park, Jeong Uck;Kim, Min Jeong;Lee, Hye Hyeon;Ryu, En Ju;Joo, Woo Hong;Kim, Kwang Hyuk;Jeong, Yong Kee
Journal of Life Science
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v.23
no.1
/
pp.63-68
/
2013
The effect of black garlic extract on the activation of spleen cells from a C57BL6 mouse was investigated to examine immune activities of of fermented black garlic containing a variety of bioactive substances. xtract obtained from the concentration of commercial Namhae black garlic was used for the analysis of immune activities. Treatment with the extract increased the expression of interleukin-2 (IL-2) cytokine. The simultaneous administration of the extract plus lipopolysaccharide (LPS) increased the expression of IL-2, tumor necrosis factor (TNF)-${\alpha}$, and interferon (IFN)-${\gamma}$ compared with that of a control group. This result suggests that cellular immunity can be induced by macrophages, resulting in the expression of T lymphocytes and T helper type 1 (Th1) cells. In addition, treatment with the extract increased the late response of IL-6 cytokines, and the extract plus LPS augmented the expression of IL-4 and IL-6 compared with that of an LPS-treated group. Meanwhile, the extract plus LPS decreased the late response of IL-10, suggesting that humoral immunity can be activated by stimulating B lymphocytes, suppressing cellular immunity, and effectively modulating the conversion into humoral immune responses. These findings demonstrate that the black garlic extract activates Th1 and Th2 cells by stimulating T lymphocytes in mouse spleen cells and leads to immunomodulation by activating cellular and humoral immune responses of the immune system.
Lee, Jae Young;Kim, Mi Ok;Sohn, Jang Won;Yoon, Ho Joo;Shin, Dong Ho;Kim, Tae Wha;Park, Sung Soo
Tuberculosis and Respiratory Diseases
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v.55
no.3
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pp.257-266
/
2003
Background : The surfactant protein A(SP-A) is important in the regulation of surfactant secretion, synthesis and recycling. Since the acute respiratory distress syndrome(ARDS) is usually viewed as the functional and morphological expression of a similar underlying lung injury casued by a variety of insults and since abnormalities in surfactant function have been described in ARDS, the authors investigated the different effects of endotoxin and thiourea on the accumulation of mRNA encoding SP-A. Methods : Sprague-Dawley rats were given 5 mg/kg intraperitoneal endotoxin from Salmonella enteritidis and 3.5 mg/kg intraperitoneal thiourea and sacrified at different time periods. Results : 1) SP-A mRNA was significantly increased 67.0% in 6 hours and 73.4% in 24 hours after 5 mg/kg endotoxin treatment respectively(P<0.005, P<0.005). 2) SP-A mRNA significantly decreased 32.9% in 24 hours after 3.5 mg/kg thiourea treatment(P<0.05). Conclusions : These results indicate that the differential regulation of surfactant protein A in vivo is evident and suggest that surfactant protein A might be differentially regulated during different kind of insults of lung injury at different time periods without altering lung wet to dry ratios.
This study was conducted to investigate the hormonal changes in cultured medium during in vitro culture of bovine oviduct epithelial cells (BOEC) supplemented with interleukin (IL)-4 of 0.001, 0.01, 0.1 or 1 ng/ml. BOEC were collected from the oviduct and washed 3 times with 1% antibiotic-mycotic-DMEM medium and cultured at $39^{\circ}C$, 5% $CO_2$, 95% air for 24$\sim$120 hrs. The cultured media were analyzed hormonal changes with hormonal analyzing kit (progesterone (P4), estradiol (E2) : Perkin Elmer, USA) and Transforming growth factor (TGF)-$\beta$ with Eliza kit (Promega, USA). The production of P4 in 0.001 IL-4 was increased as the culture time increased. P4 production was significantly higher in the medium cultured for 120 hrs than 24 hrs (P<0.05). P4 production in 0.01 ng/ml group was similar to that of 0.001 ng/ml. The production of E2 in 0.001 and 0.01 ng/ml groups were increased to 72 hrs like P4 production and showed significantly different between the culture periods (P<0.05). After the culture for 96 hrs, P4 and E2 production were increased to 96 hrs, but decreased at 120 hrs. The production of TGF-$\beta$ showed no changes according to culture period or supplementation of IL-4. In conclusion, the supplementation of IL-4 can increase the production of P4 and E2 and might have important role for the successful pregnancy in bovine.
In this study, the anti-inflammatory activities of the extracts of different parts of Hovenia dulcis such as leaves, stems, and roots were investigated. Among them, the roots extract (RE) showed the most potent suppressive effect against pro-inflammatory mediators in LPS-stimulated mouse macrophage cells. RE induced dose-dependent reduction of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) and concomitantly reduced the production of NO and $PGE_2$. Additionally, pre-treatment with RE significantly suppressed the production of inflammatory cytokines, such as tumor necrosis $factor-{\alpha}$ ($TNF-{\alpha}$), interleukin $(IL)-1{\beta}$, and IL-6, as well as mRNA levels. Moreover, phosphorylation of mitogen-activated protein kinases (MAPKs) and nuclear translocation of nuclear factor-kappa B (NF-kB) were also strongly attenuated by RE in RAW264.7 cell. Furthermore, RE induced HO-1 expression through nuclear translocation of nuclear factor E2-related factor 2 (Nrf2) and increase HO-1 activity in RAW264.7 macrophages. Therefore, these results indicate that RE strongly inhibits LPS-induced inflammatory responses by blocking NF-kB activation, inhibiting MAPKs phosphorylation, and enhancing HO-1 expression in macrophages, suggesting that RE of H. dulicis and a major component, 27-O-protocatechuoylbetulinic acid could be applied as a valuable natural anti-inflammatory material.
Purpose : To evaluate the qualitative immunologic changes by ionizing radiation. we studied the altered capacities of the macrophages and lymphocytes to produce cytokines in conjunction with resistance to Listeria monocytegenes (LM) infection in mice Materials and Methods : BALB/c mice and Listeria monocytogenes were used. The mice were infected intraperitoneally with $10^5LM$ at 1 day after irradiation (300cGy) and sacrificed at 1, 3, 5 days after infection, and then the numbers of viable LM per spleen in the irradiated and control group were counted. Tumor necrosis factor-alpha ($TNF-\alpha$), interferon-gamma ($IFN-\gamma$). interleukin-2 (IL-2), and nitric oxide (NO) were assessed after irradiation. Results : Under gamma-ray irradiation with a dose range of 100-850cGy, the number of total splenocytes decreased markedly in a dose-dependent manner, while peritoneal macrophages did so slightly Cultured peritoneal macrophages produced more $TNF-\alpha$ in the presence of lipopolysaccharide (LPS) during the 24 hours after in vitro irradiation, but their capacity of $TNF-\alpha$ Production showed a decreased tendency at 5 days after in vivo total body irradiation. With 100cGy and 300cGy irradiation, cultured peritoneal macrophages produced more NO in the presence of LPS during the 24 hours after in vitro irradiation than without irradiation. Activated splenocytes from irradiated mice (300cGy) exhibited a decreased capacity to Produce IL-2 and $IFN-\gamma$ with Concavalin-A stimulation at 3 days after irradiation. When BALB/c mice were irradiated to the total body with a dose of 300cGy, they showed enhanced resistance during early innate phase, but a significant inhibition of resistance to LM was found in the late innate and acquired T-cell dependent phases. Conclusion : These results su99es1 that increased early innate and decreased late innate and acquired immunity to LM infection by ionizing radiation (300cGy) may be related to the biphasic altered capacity of the macrophages to produce $TNF-\alpha$ and the decreased capacities of the lymphocytes to produce IL-2 and $IFN-\gamma$ in addition to a marked decrease in the total number of cells.
Journal of the Korean Society of Food Science and Nutrition
/
v.42
no.8
/
pp.1183-1189
/
2013
We investigated the effects of oyster shell extract (OSE) on papain-induced osteoarthritis in C57BL/6J mice. Osteoarthritis was induced in mice by a papain injection into the knee joint. The mice were divided into a total of five groups (n=8). The normal group was untreated, whereas the papain group (negative control) was induced with osteoarthritis and treated with water daily. The papain+DS group (positive control) was treated with diclofenac sodium. Papain+OSE groups were treated with OSE concentrations of 100 and 200 mg/kg/bw for 20 days. Proteoglycan content in articular cartilage was analyzed through safranine-O fast green staining and H&E staining. The histopathological changes in cartilage were measured by the Rudolphi score approach. The contents of tumor necrosis factor-${\alpha}$ (TNF-${\alpha}$), interleukin (IL)-$1{\beta}$, and IL-6 in plasma were analyzed by the ELISA method. After experiments, body weights of the treated groups were not significantly different compared with the normal group. Cartilage loss and joint instability significantly improved in a dose-dependent manner in the OSE-treated group compared with the papain group (P<0.05). Proteoglycan content was significantly higher in the OSE-treated group than the papain group (P<0.05). Osteoarthritis scores of the OSE-treated group were significantly decreased compared with the papain group (P<0.05). TNF-${\alpha}$, IL-$1{\beta}$, and IL-6 content in the plasma of the papain+OSE treated groups significantly decreased in a dose-dependent manner compared with the papain group (P<0.05). These results suggest that OSE treatment might have anti-arthritic effects on papain-induced osteoarthritis in C57BL/6J mice.
Kwon, Da Hye;Kang, Hye-Joo;Choi, Yung Hyun;Chung, Kyung Tae;Lee, Jong Hwan;Kang, Kyung Hwa;Hyun, Sook Kyung;Kim, Byung Woo;Hwang, Hye Jin
Journal of Life Science
/
v.26
no.1
/
pp.50-58
/
2016
The root bark of Ulmus macrocarpa has been used in traditional medicine for the treatment of various diseases such as edema, infection and inflammation. Nevertheless, the biological activities and underlying mechanisms of the immunomodulatory effects remain unclear. In this study, as part of our ongoing screening program to evaluate the immunomodulatory potential of new compounds from traditional medicinal resources, we investigated the effects of U. macrocarpa water extract (UME) on immune modulation in a murine RAW 264.7 macrophage model. As immune response parameters, the productions of as nitric oxide (NO) and cytokines such tumor necrotic factor (TNF)-α, interleukin (IL)-1β and IL-10 were evaluated. Although the release of IL-1β remained unchanged in UME-treated RAW 264.7 macrophages, the productions of NO, TNF-α and IL-10 were significantly increased, along with the increased expression of inducible NO synthase, TNF-α and IL-10 expression at concentrations with no cytotoxicity. UME treatment also induced the nuclear translocation of nuclear factor κB (NF-κB), and phosphorylation of Akt and mitogen-activated protein kinases (MAPKs) indicating that UME activated macrophages through the activation of NF-κB, phosphoinositide-3-kinase (PI3K)/Akt and MAPKs signaling pathways in RAW 264.7 macrophages. Furthermore, pre-treatment with UME significantly attenuated the production of NO, but not TNF-α, IL-1β and IL-10, in lipopolysaccharide-stimulated RAW 264.7 cells suggesting that UME may be useful in preventing inflammatory diseases mediated by excessive production of NO. These findings suggest that the beneficial therapeutic effects of UME may be attributed partly to its ability to modulate immune functions in macrophages.
Kim, Da Hye;Kim, Sang Jun;Jeong, Seung-Il;Yu, Kang-Yeol;Cheon, Chun Jin;Kim, Jang-Ho;Kim, Seon-Young
Journal of Life Science
/
v.27
no.5
/
pp.509-516
/
2017
Perilla frutescens (L.) Britton var. sprouts (PFS) is a plant of the labiatae family. The purpose of this work was to assess the preventive effects of PFS ethanolic extracts (PFSEs) on cytokine-induced ${\beta}$-cell damage. Cytokines, which are released by the infiltration of inflammatory cells around the pancreatic islets, are involved in the pathogenesis of type 1 diabetes mellitus. The combination of interleukin-$1{\beta}$ (IL-1), interferon-${\gamma}$ (IFN-${\gamma}$), and tumor necrosis factor-${\alpha}$ (TNF-${\alpha}$) induced formation of reactive oxygen species (ROS). Accumulation of intracellular ROS led to ${\beta}$-cell dysfunction and apoptosis. PFSEs possess antioxidant activity and thus lead to downregulation of ROS generation. Cytokines decrease cell viability, stimulate the expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2), and induce the production of nitric oxide (NO). PFSEs prevented cytokine-induced cell viability in a dose-dependent manner. Incubation with PFSE resulted in significant reduction in cytokine-induced NO production that correlated with reduced levels of the iNOS and COX-2 protein expression. Furthermore, PFSE significantly decreased the activation of nuclear factor ${\kappa}B$ (NF-${\kappa}B$) by inhibition of $I{\kappa}B{\alpha}$ phosphorylation in RINm5F cells. In summary, our results suggest that the protective effects of PFSE might serve to counteract cytokine-induced ${\beta}$-cell destruction. Findings indicate that consumption of Perilla frutescens (L.) Britton var. sprouts alleviates hyperglycemia-mediated oxidative stress and pro-inflammatory cytokine-induced ${\beta}$-cell damage and thus has beneficial anti-diabetic effects.
Kim, Myung-Sun;Yang, Sung-Eun;Chi, Hyun-Sook;Kim, Woo-Sung;Kim, Won-Dong
Tuberculosis and Respiratory Diseases
/
v.45
no.2
/
pp.280-289
/
1998
Background: It is sometimes difficult to differentiate tuberculous pleural effusion from malignant pleural effusion by clinical symptoms, signs, by routine tests of pleural fluid, and by pathologic studies. And recently, it was discovered that cytokines such as IL-2, IFN-$\gamma$, TNF-$\alpha$ are elevated in tuberculous pleural fluid, and there have been several attempts to diagnose tuberculous pleural effusion by using these immunological mediators. There are several studies regarding the diagnostic value of IFN-$\gamma$, and there are two studies in Korea. But the diagnostic values of IFN-$\gamma$ in these studies were slightly lower than those in other countries. To compare the diagnostic value of IFN-$\gamma$ with those of CEA and ADA, and to determine the sensitivity and specificity of IFN-$\gamma$ in Korean, we mesured IFN-$\gamma$, CEA level and ADA activity in pleural effusions. Methods: ADA activity, IFN-$\gamma$ level and CEA level as well as cell count, differential count, and biochemical assays such as protein content and lactate dehydrogenase were measured in 40 cases of tuberculous pleuritis and 42 cases of malignant pleural effusion. Results: Tuberculous pleural fluid showed higher levels of IFN-$\gamma$ and ADA ($832.6{\pm}357.2$ pg/ml and $82.5{\pm}25.9$ U/L, respectively) than those of malignant pleural effusion ($2.6{\pm}8.0$ pg/ml and $19.2{\pm}10.9$ U/L, respectively) (p<0.01). Malignant pleural effusions showed higher median value (102.2 ng/ml) than tubercalous pleural effusions (1.8 ng/ml) (p<0.01). The sensitivities of IFN-$\gamma$, ADA, CEA were 0.97, 0.87, 0.67 and the specificities of IFN-$\gamma$, ADA, CEA were 1.0, 0.97, 1.0, respectively. There was no significant correlation between ADA activity and IFN-$\gamma$ level. Conclusion: This study showed that IFN-$\gamma$ test would be a very useful clinical test for differential diagnosis of tuberculous pleuritis and malignant pleural effusion because it is very sensitive and specific, although it is an expensive test.
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