• Title/Summary/Keyword: Immune Enhancing

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A comprehensive review of the therapeutic effects of Hericium erinaceus in neurodegenerative disease

  • Kim, Young Ock;Lee, Sang Won;Kim, Jin Seong
    • Journal of Mushroom
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    • v.12 no.2
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    • pp.77-81
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    • 2014
  • Mushrooms are considered not only as food but also for source of physiologically beneficial medicines. The culinary-medicinal mushrooms may important role in the prevention of age-associated neurological dysfunctions, including Alzheimer's and Parkinson's diseases. Hericium erinaceus (H. erinaceus), is edible mushrooms, is a parasitic fungus that grows hanging off of logs and trees and well established candidate for brain and nerve health. H. erinaceus contains high amounts of antioxidants, beta-glucan, polysaccharides and a potent catalyst for brain tissue regeneration and helps to improve memory and cognitive functions. Its fruiting bodies and the fungal mycelia exhibit various pharmacological activities, including the enhancement of the immune system, antitumor, hypoglycemic and anti-aging properties. H. erinaceus stimulates the synthesis of Nerve Growth Factor (NGF) which is the primary protein nutrient responsible for enhancing and repairing neurological disorders. Especially hericenones and erinacines isolated from its fruitin body stimulate NGF, synthesis. This fungus is also utilized to regulate blood levels of glucose, triglycerides and cholesterol. H. erinaceus can be considered as useful therapeutic agents in the management and/or treatment of neurodegeneration diseases. However, this review focuses on in vitro, in vivo and clinical trials for neurodegerative disease.

Inhibition of Oxidative Stress and Enhancement of Cellular Activity by Mushroom Lectins in Arsenic Induced Carcinogenesis

  • Rana, Tanmoy;Bera, Asit Kumar;Das, Subhashree;Bhattacharya, Debasis;Pan, Diganta;Das, Subrata Kumar
    • Asian Pacific Journal of Cancer Prevention
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    • v.17 no.9
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    • pp.4185-4197
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    • 2016
  • Chronic arsenicosis is a major environmental health hazard throughout the world, including India. Animals and human beings are affected due to drinking of arsenic contaminated ground water, due to natural mineral deposits, arsenical pesticides or improperly disposed arsenical chemicals. Arsenic causes cancer with production of free radicals and reactive oxygen species (ROS) that are neutralized by an elaborate antioxidant defense system consisting of enzymes and numerous non-enzymatic antioxidants. Dietary antioxidant supplements are useful to counteract the carcinogenesis effects of arsenic. Oyster mushroom lectins can be regarded as ingredients of popular foods with biopharmaceutical properties. A variety of compounds have been isolated from mushrooms, which include polysaccharides and polysaccharopeptides with immune-enhancing effects. Lectins are beneficial in reducing arsenic toxicity due to anticarcinogenetic roles and may have therapeutic application in people suffering from chronic exposure to arsenic from natural sources, a global problem that is especially relevant to millions of people on the Indian subcontinent.

Induction of Mitochondria-mediated Apoptosis by Solanum Nigrum in Leukemia Cells (용규(龍葵) 추출물이 백혈병 세포의 Apoptosis 유도에 미치는 영향)

  • Chang, Gyu-Tae
    • The Journal of Pediatrics of Korean Medicine
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    • v.22 no.1
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    • pp.113-121
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    • 2008
  • Objectives In human myeloid leukemia cells, there are no specific features of apoptosis compared with apoptosis in other cell types. Solanum nigrum L.(SNL) is a deciduous tree, which is widely distributed in Korea with reported anti-tumor, anti-inflammatory and non-specific immune-enhancing properties. Although the plant has been clinically used for treating a variety of diseases, its bioactive ingredients are unknown and its mode of action potential has never been investigated. Thus anti-tumor property of methanol extract was investigated. Methods In this study, anti-tumor property of methanol extract was investigated by determining its in vitro growth-inhibitory effects on human myeloid leukemia cells. XTT proliferation assay, DNA fragmentation, immunoblot analysis, densitometric analysis were used. Results 1. The methanol fraction of the extracts of SNL induced mitochondria-mediated apoptosis in human myeloid leukemia cells. 2. The methanol fraction exhibited relatively higher cytotoxic activity in a dose-dependent manner than chloroform, and hexane fraction. 3. Typical ladder profile of Oligonucleosomal fragments were appeared. 4. The secreted cytosolic cytochrome C level was increased by treatment of methanol fraction. Conclusions Methanol fraction of SNL is capable of inducing apoptosis in human myeloid leukemia cells.

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Calcium/Calmodulin-Dependent Protein Kinase is Involved in the Release of High Mobility Group Box 1 Via the Interferon-${\beta}$ Signaling Pathway

  • Ma, Lijuan;Kim, Seon-Ju;Oh, Kwon-Ik
    • IMMUNE NETWORK
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    • v.12 no.4
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    • pp.148-154
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    • 2012
  • Previously, we have reported that high mobility group box 1 (HMGB1), a proinflammatory mediator in sepsis, is released via the IFN-${\beta}$-mediated JAK/STAT pathway. However, detailed mechanisms are still unclear. In this study, we dissected upstream signaling pathways of HMGB1 release using various molecular biology methods. Here, we found that calcium/calmodulin-dependent protein kinase (CaM kinase, CaMK) is involved in HMGB1 release by regulating IFN-${\beta}$ production. CaMK inhibitor, STO609, treatment inhibits LPS-induced IFN-${\beta}$ production, which is correlated with the phosphorylation of interferon regulatory factor 3 (IRF3). Additionally, we show that CaMK-I plays a major role in IFN-${\beta}$ production although other CaMK members also seem to contribute to this event. Furthermore, the CaMK inhibitor treatment reduced IFN-${\beta}$ production in a murine endotoxemia. Our results suggest CaMKs contribute to HMGB1 release by enhancing IFN-${\beta}$ production in sepsis.

Effect of Scutellariae Radix Water Extract on Hydrogen Peroxide Production in RAW 264.7 Mouse Macrophages (황금(黃芩) 물추출물이 마우스 대식세포의 hydrogen peroxide 생성에 미치는 영향)

  • Park, Wan-Su
    • The Korea Journal of Herbology
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    • v.26 no.1
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    • pp.53-58
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    • 2011
  • Objectives : The purpose of this study is to investigate effects of Scutellariae Radix Water Extract on hydrogen peroxide production in RAW 264.7 mouse macrophages. Methods : Scutellariae Radix produced from South Korea (SK) and Scutellariae Radix produced from China (SC) were extracted by hot water. Effects of SK and SC on hydrogen peroxide production in RAW 264.7 were measured by dihydrorhodamine 123 assay after 2, 4, 20, 24, 28, 44, and 48 h incubation at the concentrations of 10, 25, 50, and 100 ug/mL. Results : SK significantly increase hydrogen peroxide production in RAW 264.7 cells for 2, 4, 20, 24, 28, 44, and 48 h incubation at the concentrations of 10, 25, 50, and 100 ug/mL (P < 0.05). SC also significantly increase hydrogen peroxide production in RAW 264.7 cells for 4, 20, 24, 28, and 48 h incubation at the concentrations of 10, 25, 50, and 100 ug/mL (P < 0.05). For 2 h incubation, SC significantly increase hydrogen peroxide production in RAW 264.7 cells at the concentrations of 10, 25, and 100 ug/mL (P < 0.05). For 44 h incubation, SC significantly increase hydrogen peroxide production in RAW 264.7 cells at the concentrations of 10, 25, and 50 ug/mL (P < 0.05). Conclusions : These results suggest that Scutellariae Radix has the immune - enhancing property related with its increasement of hydrogen peroxide production in macrophages.

Experience of Meningovascular Syphilis in Human Immunodeficiency Virus Infected Patient

  • Lee, Jung-Pyo;Koo, Sun-Ho;Jin, So-Young;Kim, Tae-Hyong
    • Journal of Korean Neurosurgical Society
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    • v.46 no.4
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    • pp.413-416
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    • 2009
  • Since the start of the antibiotic era, syphilis has become rare. However, in recent times, it has tended to be prevalent concomitantly with human immunodeficiency virus (HIV) infection and coinfection in North America and Europe. Now, such cases are expected to increase in elsewhere including Korea. A 40-year-old male patient visited hospital complaining of a headache for about one month. Brain computed tomography and magnetic resonance imaging, showed leptomeninged enhancing mass with edema an right porisylvian region, which was suspected to be glioma. Patient underwent a blood test and was diagnosed with syphilis and acquired immune deficiency syndrome. Partial cortical and subcortical resection were performed after small craniotomy. The dura was thick, adhered to the brain cortex, and was accompanied by hyperemic change of the cortex. The pathologic diagnosis was meningovascular syphilis (MS) in HIV infection. After the operation, the patient was treated with aqueous penicillin G. Thereafter, he had no neurological deficit except intermittent headache. At first, this case was suspected to be glioma, but it was eventually diagnosed as MS in HIV coinfection. At this point the case was judged to be worth reporting.

Effect of Mixture of Fermented Artemisiae Argi Folium and Fermented Sophorae Radix on Hydrogen Peroxide Production within Mouse Macrophage Raw 264.7 with EtOH and Nicotine (고삼과 애엽의 발효 혼합물이 에탄올과 니코틴으로 유발된 마우스 대식세포 내 hydrogen peroxide 생성감소에 미치는 영향)

  • Park, Wan-Su;Kim, Do-Hoon
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.22 no.5
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    • pp.1293-1298
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    • 2008
  • The purpose of this study is to investigate the effect of a mixture of fermented Artemisiae Argi Folium and fermented Sophorae Radix (FAS) on hydrogen peroxide production within mouse macrophage Raw 264.7 with ethanol (EtOH) and nicotine. Artemisiae Argi Folium is known to have the antibacterial, immune-enhancing properties. And Sophorae Radix is also known to have the antibacterial, anti-inflammatory, anti-allergic properties. EtOH and nicotine are the ones of toxicants which could impair immunocytes like macrophage. EtOH and nicotine reduce the intracellular production of hydrogen peroxide ($H_2O_2$) of Raw 264.7. FAS increased the production of hydrogen peroxide reduced by EtOH and nicotine within Raw 264.7. These results indicate that FAS could restore the immuno-activity of macrophage impaired by EtOH and nicotine.

Immunity Effect of the Sogyughwalhyel-tanggami in Collagen-induced Arthritis Mice (Type II Collagen으로 유발된 관절염에 대한 소경활혈탕가미의 면역 억제 효과)

  • Lee Joong-Whee;Oh Min-Suck
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.19 no.5
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    • pp.1323-1329
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    • 2005
  • This study was carried out to know the immunity responses of Sogyughwalhyel-tanggami(SGHHT) to on Rheumatoid Arthritis in Collagen-induced Arthritis(CIA) Mice. Various experimental were peformed to analyse the immunity effects of SGHHT. The cytotoxicity against mLFCs was not measured. The production of pro-inflammatory cytokines $IL-1{\beta}$, IL-6, $TNF-\alpha$ were reduced in hFLSs. The production of pro-inflammatory cytokines $IFN-\gamma$, IgG3, IgG2b, IgM were reduced. Comparison of the results for this study showed that SGHHT had immunomodulatory effects of suppressing or enhancing. So we expect that SGHHT should be used as a effective drugs for not only rheumatoid arthritis but also another auto-immune disease. Therefore we have to survey continuously in looking for the effective substance and mechanism in the future.

A Case Study on Development of Fine Dust STEAM Program for Enhancing Engineering Creative Problem Solving Ability of Chinese Elementary School Students (중국 초등학생의 공학 창의적 문제해결력 향상을 위한 미세먼지 STEAM 프로그램 개발 사례 연구)

  • Quan, Hai Yan;Byun, Moon Kyoung
    • Journal of Engineering Education Research
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    • v.23 no.2
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    • pp.14-23
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    • 2020
  • Based on the constructivist learning environments model and the learner-centered psychological principles, STEAM education program with the theme of eliminating smog was developed. Through the program, senior elementary school students will learn and apply the convergence knowledge of science, technology, engineering, arts and mathematics such as the human body's respiratory system (S), immune system (S), big data (M, T), computer programming(M), and aduino sensor utilization (E) directly to solve the problem. After expert validity testing, we found that developed program meet the standards of STEAM education program development and can develop creative thinking skills to find and solve problems in students' daily lives. In addition, this study is meaningful in providing a reference example for the development of STEAM education programs that enhance convergence knowledge in the future.

Subacute Oral Toxicity of Chitosan Oligosaccharides on Sprague Dawley Rats

  • Kim, Se-Kwon;Jeon, You-Jin;Park, Pyo-Jam
    • Proceedings of the Korean Society of Fisheries Technology Conference
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    • 2000.05a
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    • pp.88-89
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    • 2000
  • Chitosan is derived from chitin by deacetylation in the presence of alkali, which is a copolymer consisting of $\beta$-(1longrightarrow4)-2-acetamido-D-glucose and $\beta$-(1longrightarrow4)-2-amino-D-glucose units with the latter usually exceeding 80% (Arvanitoyannis et al., 1998). Chitosan has been developed as new physiological material since it possesses antibacterial activity, hypocholesterolemic activity and antihypertensive action. However, even though chitosan has very strong functional properties in many areas, its high molecular weight and high viscosity may restrict the use in vivo. In addition, there is little doubt that such properties will influence absorption in the human intestine. Recently, studies on chitosan have attracted interest for converted chitosan to oligosaccharide, because the oligosaccharide possesses not only water-soluble property but also versatile functional properties such as antitumor activity, immune-enhancing effects, enhancement of protective effects against infection with some pathogens in mice, antifungal activity, calcium absorption accelerating effect (Jeon et al., 1999) and antimicrobial activity. There is, however, little information on the toxicity of chitosan oligosaccharide. (omitted)

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