In order to investigate the effects of Bupleuri Radix aqua-acupuncture solution (BRAS) on immuno suppression induced by glucocorticoid, ICR mice were administrated with glucocorticoid (80 mg/kg) for 7 days, and immunized with hapten, methamphetamine-horseradish peroxidase $(10\;{\mu}g/mouse)$. And then, BRAS (0.2ml/mouse) injected into $CV_4\;and\;BL_{23}$, which are the classical acupuncture points in traditional medicine, for 7 days. And then B and T cells proliferation and cytolytic activity of natural killer (NK) cells were measured. Intraperitoneal injection of glucocorticoid decreased lysozyme activity in macrophage and cytolytic activity of NK cell. B and T cell proliferation were significantly increased in aqua-acupuncture group compared to normal group. On the other hand, BRAS significantly increased the lysozyme activity in macrophage, and the cytolytic activity of purified NK cell on K562. These results suggest that BRAS at $CV_4\;and\;BL_{23}$ may proliferate B and T cells that are suppressed by glucocorticoid and activate NK cell activity.
Park, Kyung-Ran;Han, Seon-Hee;Kim, Hyun-Sil;Lee, Seung-Jun;Cha, In-Ho;Kim, Hyung-Jun
Journal of the Korean Association of Oral and Maxillofacial Surgeons
/
v.36
no.6
/
pp.497-501
/
2010
Primary nasal type natural killer (NK)/T cell (NKTC) lymphoma, a specific form of malignant lymphoma, has a higher geographic incidence in Oriental, Mexican, and South American populations than the Western population. In Koreans, it comprises 9-12% of all cases of non-Hodgkin's lymphoma. This type of lymphoma has also been named as angiocentic lymphoma and lethal midline granuloma because the most common site is the upper airway area and its clinical aggressiveness presents with a necrotic and destructive pattern. NKTC lymphoma can also be detected in different organs (testis, spleen, parotid gland, skin, gastroinstinal tract, central nervous system, lungs, bone marrow, etc.) other than the upper airway including the oral cavity. The lymphoma detected in the oral cavity shows various destructive and inflammatory changes, similar to the signs of inflammation and infection from periodontitis and pulpal disease, making a diagnosis difficult with just the clinical signs. For early detection, clinical, radiological, and pathological examinations are required. This report describes the clinical, radiological and histological characteristics with a case report for the early detection of NKTC lymphoma in the oral cavity.
Kim, Seong Pil;Kwon, Han Ol;Ha, Yejin;Heo, Seok Hyun;Lee, Jeongmin
Journal of the Korean Society of Food Science and Nutrition
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v.46
no.9
/
pp.1027-1034
/
2017
The immune system is a complex process within the body that protects against disease. Recently, many studies have attempted to discover immunomodulative compounds from natural sources. Pinus koraiensis (PK) cone shell is a by-product of PK. One of the major compounds of PK cone shell is dehydroabietic acid, which has bioactivity, including antiulcer and anti-inflammatory activities. Therefore, this study was performed to examine the immunomodulative effects of PK cone shell. The immunomodulatory effects of PK cone shell extracted with 20% ethanol (EtOH) in vivo were examined initially by measuring the natural killer (NK) cell activity, phagocytic activity, Th1/Th2 cytokines release, serum immunoglobulin, and T/B cell proliferation. The NK cell activity and phagocytic activity were increased significantly by a treatment with a 20% EtOH extract of PK cone shell. Th1 type cytokine and T cell proliferation increased and Th2 type cytokine, B cell proliferation and serum immunoglobulin A, G, and E decreased after a treatment with PK cone shell extract. The 20% EtOH extract of the PK cone shell normalized the unbalanced production of Th1/Th2 type cytokine. This suggests that a 20% EtOH extract of PK cone shell has great potential as a health food.
Journal of Korean Society of Occupational and Environmental Hygiene
/
v.23
no.3
/
pp.266-272
/
2013
Objectives: This study aimed to evaluate the effects of low-level exposure to toluene on T lymphocytes subpopulations.s. Methods: The study lasted from April to October 2010. The subjects were 390 male workers, among whom 137 were chronically exposed to toluene in video-tape manufacturing factories and 253 were controls had never been occupationally exposed to hazardous chemicals. The subpoupulations of CD4+, CD8+, CD16+ (natural killer cells) and total (CD3+) T lymphocytes were examined by two-color staining using monoclonal antibodies. The general and job characteristics of subjects were assessed through a self-administered questionnaire. Results: There was no significant difference in general and job characteristics between both groups. No significant difference in lipid peroxide level was observed between the control and exposed workers, but the concentration of hydrogen peroxide was significantly higher in the exposed workers. The numbers of CD16+ T lymphocytes in controls were significantly higher than those in exposed workers, but no significant differences were found in CD4+, CD8+ and CD3+ T lymphocytes. Hydrogen peroxide levels showed a significantly negative correlation with CD8+ (r = -0.29, p < 0.01), CD16+ (r = -0.56, p < 0.01) and CD3+(r = -0.22. p < 0.01), and toluene levels was significantly negative correlated with CD3+ (r = -0.29, p < 0.05). Conclusions: Our results suggest that chronic low-level exposure to toluene affects cell-mediated immunity and the effects might mediate through ROSs (Reactive Oxygen Species) such as hydrogen peroxide.
Journal of the Korean Society of Food Science and Nutrition
/
v.45
no.11
/
pp.1564-1570
/
2016
The present study investigated the immunomodulatory effects of high-purity ${\beta}$-1.3/1.6-glucan on macrophages, natural killer (NK) cells, and T cell-mediated factors. Effect of high-purity ${\beta}$-1.3/1.6-glucan on cytotoxicity in macrophages was investigated. Using macrophages, cytotoxicity of high-purity ${\beta}$-1.3/1.6-glucan was evaluated by MTT assay. We treated high-purity ${\beta}$-1.3/1.6-glucan at concentrations of 10, 50, 100, 150, 200, and $250{\mu}g/mL$ in macrophages. High-purity ${\beta}$-1.3/1.6-glucan did not affect macrophage viability. Phagocytic activity was assessed using zymosan. Activity of high-purity ${\beta}$-1.3/1.6-glucan on macrophages significantly increased as compared with zymosan. We treated high-purity ${\beta}$-1.3/1.6-glucan to murine NK cells co-incubated with YAC-1 cells. High-purity ${\beta}$-1.3/1.6-glucan resulted in significantly increased activity of NK cells as compared with the control. In addition, treatment of macrophages with high-purity ${\beta}$-1.3/1.6-glucan resulted in significantly increased activity of T cell-mediated cytokine (IL-2, IL-12, $IFN-{\gamma}$, and $TNF-{\alpha}$) levels and CD4+/CD8+ T cells as compared with the control. In conclusion, high-purity ${\beta}$-1.3/1.6-glucan could enhance the immune response through activation of macrophages, NK cells, and T cell-mediated factors.
Kim, Jung-Hwa;Kim, Dae-Ho;You, Jin-Hyun;Kwon, Min-Chul;Lee, Hyun-Jung;Lee, Hak-Ju;Lee, Hyeon-Yong
Korean Journal of Medicinal Crop Science
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v.13
no.1
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pp.41-47
/
2005
This study was performed to experiment about useful biological activities of the parts of the extracts from Amorpha fruticosa LINNE. Experimental studies were progressed through the anticancer activities and immune activities such as cell cytotoxicity, inhibition activities of cell growth, cell growth of human B and T cell, productivity of cytokines and natural killer cell activities. The cell cytotoxicity using human Lung normal cell (HEL299) was showed cytotoxicity of below 22% by extracts of Amorpha fruticosa L. in 1.0 g/l concentration. The anticancer activities were increased in over 70% by roots extracts of Amorpha fruticosa L. in A549 and AGS cells. The immune cell growth using human immune B and T cells was increased against control by barks extracts of Amorpha fruticosa L. The secretion of cytokines $(IL-6,\;TNF-{\alpha})$ from human immune B and T cells was showed secretion of the amount of cytokines by roots extracts of Amorpha fruticosa L. Also NK cell growth was increased against control all of the extracts of Amorpha fruticosa L. From the results, the roots and barks extracts of Amorpha fruticosa L. were showed useful biological activities.
Mondal, Nandan K.;Siddique, Shabana;Banerjee, Madhuchanda;Roychoudhury, Sanghita;Mukherjee, Sayali;Slaughter, Mark S.;Lahiri, Twisha;Ray, Manas R.
Safety and Health at Work
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v.8
no.2
/
pp.198-205
/
2017
Background: There are a million ragpickers in India who gather and trade recyclable municipal solid wastes materials for a living. The objective of this study was to examine whether their occupation adversely affects their immunity. Methods: Seventy-four women ragpickers (median age, 30 years) and 65 age-matched control housemaids were enrolled. Flow cytometry was used to measure leukocyte subsets, and leukocyte expressions of $Fc{\gamma}$ receptor I (CD64), $Fc{\gamma}RIII$ (CD16), complement receptor 1 (CD35) and CR3 (CD11b/CD18), and CD14. Serum total immunoglobulin-E was estimated with enzyme-linked immunosorbent assay. Results: Compared with the controls, ragpickers had significantly (p < 0.0001) higher levels of CD8-T-cytotoxic, CD16+CD56+natural killer, and CD4+CD45RO+memory T-cells, but depleted levels of CD19+B-cells. The percentage of CD4+T-helper-cells was lower than the control group (p < 0.0001), but their absolute number was relatively unchanged (p = 0.42) due to 11% higher lymphocyte counts in ragpickers. In ragpickers, the percentages of CD14+CD16+intermediate and CD14dim CD16+nonclassical monocyte subsets were elevated with a decline in CD14+CD16-classical monocytes. The expressions of CD64, CD16, CD35, and CD11b/CD18 on both monocytes and neutrophils, and CD14 on monocytes were significantly higher in ragpickers. In addition, ragpickers had 2.7-times more serum immunoglobulin-E than the controls (p < 0.0001). After controlling potential confounders, the profession of ragpicking was positively associated with the changes. Conclusion: Ragpicking is associated with alterations in both innate (neutrophils, monocytes, and natural killer cell numbers and expression of complement and $Fc{\gamma}$ receptors) and adaptive immunity (numbers of circulating B cells, helper, cytotoxic, and memory T cells).
Purpose: This study examined the immunological activity and optimized the mixture conditions of Sargassum horneri (S. horneri) extracts in vitro and in vivo models. Methods: S. horneri was extracted using three different methods: hot water extraction (HWE), 50% ethanol extraction (EE), and supercritical fluid extraction (SFE). Splenocyte proliferation and cytokine production (Interleukin-2 and Interferon-γ) were measured using a WST-1 assay and enzyme-linked immunosorbent assay, respectively. The levels of nitric oxide and T cell activation production were measured using a Griess assay and flow cytometry, respectively. The natural killer (NK) cell activity was determined using an EZ-LDH kit. Results: Among the three different types of extracts, HWE showed the highest levels of splenocyte proliferation and cytokine production in vitro. In the animal model, three different types of extracts were administrated for 14 days (once/day) at 50 and 100 mg/kg body weight. HWE and SFE showed a high level of splenocyte proliferation and cytokine production in the with and without mitogen-treated groups, whereas EE administration did not induce the splenocyte activation. When RAW264.7 macrophage cells were treated with different mixtures (HWE with 5, 10, 15, 20% of SFE) to determine the optimal mixture ratio of HWE and SFE, the levels of nitric oxide and cytokine production increased strongly in the HWE with 5% and 10% of SFE containing group. In the animal model, HWE with 5% and 10% of SFE mixture administration increased the levels of splenocyte proliferation, cytokine production, and activated CD4+ cell population significantly, with the highest level observed in the HWE with 5% of SFE group. Moreover, the NK cell activity was increased significantly in the HWE with 5% of SFE mixture-treated group compared to the control group. Conclusion: The optimal mixture condition of S. horneri with immune-enhancing activity is the HWE with 5% of SFE mixture. These results confirmed that the extracts of S. horneri and its mixtures are potential candidate materials for immune enhancement.
Kim, Jay Sik;Lee, Won Kil;Suh, Jang Soo;Song, Kyung Eun;Lee, Joong Won;Lee, Nan Young;Weksler, Marc E.
IMMUNE NETWORK
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v.1
no.3
/
pp.236-243
/
2001
Background: An immunological approach for aging mechanism appears to be important. Lymphocyte subsets analysis in peripheral blood is widely performed to assess the immune status and to diagnose and monitor various diseases. Some lymphocyte subsets are known to change with age, but only few data about age-related reference ragnes for these subsets in healthy individuals have been reported. So we attempted to report reference ranges for these subsets in each age group and review changes of the results with age for the secondary studies about immune cell function as lymphocyte blast transformation and immunoglobulin gene rearrangement (VDJ) including recombination activating genes (RAG-1 and RAG-2). Methods: Lymphocyte subset analysis was performed on 302 subjects, 189 males and 113 females with age group of all decades of life. Two color direct immunofluorescene flow cytometry (FCM) was done using $Simultest^{TM}$ IMK-Lymphocyte kit (Becton Dickinson, USA), $FACScan^{TM}$ (Becton Dickinson, USA) and $FACSCalibur^{TM}$ (Becton Dickinson, USA). Lymphocyte subsets analysed were T ($CD3^+$) and B cells ($CD19^+$), helper/inducer T ($CD4^+$) and suppressor/cytotoxic T cells ($CD8^+$), helper/suppressor ($CD4^+/CD8^+$) ratio and natural killer (NK) cells ($CD3^-CD16^+/CD56^+$). The absolute numbers of each subset were calculated from total lymphocyte counts. Data collected was analysed using SAS 6.12. A P-value of < 0.05 was considered significant. Results: We reported the counts and percentages of lymphocyte and these subsets in each age group. There were no statistically significant differences between male and female subjects. The percentage of $CD4^+$ T cells, and the count of NK cells did not show the significant difference among the various age groups. The age-related changes observed in our study were as following: 1) a decrease in the percentages of T cells, B cells and $CD8^+$ T cells ; 2) a decrease in the counts of B cells and $CD8^+$ T cells ; 3) an increase in the percentage and count of NK cells ; and 4) an increase in the $CD4^+/CD8^+$ ratio. Conclusion: The characteristics of aging process appeared to be showing a marked decrease of lympocyte subsets T and B cells as well as T8 ($CD8^+$). The age-related increase of the percentage of cells bearing NK marker can be interpreted as a compensatory consequence to cope with the decrease of T cells related to the thymic involution. These changes with age appeared to be for the secondary study about immune cell function as lymphocyte blast transformation and immunoglobulin gene rearrangement.
Kim, Jin-Taek;Park, In-Sick;Ahn, Sang-Hyun;Choi, Nan-Hee;Kim, Dong-Hoan
The Journal of Dong Guk Oriental Medicine
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v.6
no.2
/
pp.99-107
/
1998
Cyclosporin A(CsA) is a selective immunosuppressive agent that has been credited with improved survival of solid organ allografts. Lymph node of BALB/C mouse administered CsA immunohistochemically observed to understand immunosuppressive effects of CsA on T lymphocytes, IL-2 receptors, and natural killer NK cells in lymph node. CsA orally administered daily for 10days at the dose 45mg/kg/day/. The lymph node were obtained at day 3, 7, and 14 after CsA administration and embedded with paraffin, and then stained by following ABC method that used monoclonal antibody including L3T4(CD4), Ly2(CD8), IL-2R(CD25), and NK-1.1(CD56). There were little changes of reactive degree and number of helper T lymphocytes, cytotoxic T lymphocytes, IL-2 receptors, and NK cells at day 3 after CsA administration, but they began to decrease at day 7. These decrease were greatest at day 14. The helper T lymphocytes. cytotoxic T lymphocytes, IL-2 receptors, and NK cells distributed in paracortex and medullary sinus. These results indicated that the secretion of IL-2 began to decrease at day 7 after CsA administration and subsequently to suppress T lymphocytes and NK cell as components of cell-mediated immunity.
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