Edible algae mushrooms in liquid culture and its isolated fractions protect mice against allergic asthma
Background Ecklonia cava is an edible marine brown alga harvested from the ocean that is widely consumed in Asian countries as a health-promoting medicinal food The objective of the present study is to evaluate the anti-asthma mechanism of a new functional food produced by bioprocessing edible algae...
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description | Background Ecklonia cava is an edible marine brown alga harvested from the ocean that is widely consumed in Asian countries as a health-promoting medicinal food The objective of the present study is to evaluate the anti-asthma mechanism of a new functional food produced by bioprocessing edible algae Ecklonia cava and shiitake Lentinula edodes mushroom mycelia and isolated fractions. Methods We used as series of methods, including high performance liquid chromatography, gas chromatography, cell assays, and an in vivo mouse assay to evaluate the asthma-inhibitory effect of Ecklonia cava bioprocessed (fermented) with Lentinula edodes shiitake mushroom mycelium and its isolated fractions in mast cells and in orally fed mice. Results The treatments inhibited the degranulation of RBL-2H3 cells and immunoglobulin E (IgE) production, suggesting anti-asthma effects in vitro. The in vitro anti-asthma effects in cells were confirmed in mice following the induction of asthma by alumina and chicken egg ovalbumin (OVA). Oral administration of the bioprocessed Ecklonia cava and purified fractions suppressed the induction of asthma and was accompanied by the inhibition of inflammation- and immune-related substances, including eotaxin; thymic stromal lymphopoietin (TSLP); OVA-specific IgE; leukotriene C.sub.4 (LTC4); prostaglandin D2 (PGD.sub.2); and vascular cell adhesion molecule-1 (VCAM-1) in bronchoalveolar lavage fluid (BALF) and other fluids and organs. Th2 cytokines were reduced and Th1 cytokines were restored in serum, suggesting the asthma-induced inhibitory effect is regulated by the balance of the Th1/Th2 immune response. Serum levels of IL-10, a regulatory T cell (Treg) cytokine, were increased, further favoring reduced inflammation. Histology of lung tissues revealed that the treatment also reversed the thickening of the airway wall and the contraction and infiltration of bronchial and blood vessels and perialveolar inflammatory cells. The bioprocessed Ecklonia cava/mushroom mycelia new functional food showed the highest inhibition as compared with commercial algae and the fractions isolated from the bioprocessed product. Conclusions The in vitro cell and in vivo mouse assays demonstrate the potential value of the new bioprocessed formulation as an anti-inflammatory and anti-allergic combination of natural compounds against allergic asthma and might also ameliorate allergic manifestations of foods, drugs, and viral infections. Keywords: Edible algae, Ecklonia |
doi_str_mv | 10.1186/s12906-022-03705-y |
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Methods We used as series of methods, including high performance liquid chromatography, gas chromatography, cell assays, and an in vivo mouse assay to evaluate the asthma-inhibitory effect of Ecklonia cava bioprocessed (fermented) with Lentinula edodes shiitake mushroom mycelium and its isolated fractions in mast cells and in orally fed mice. Results The treatments inhibited the degranulation of RBL-2H3 cells and immunoglobulin E (IgE) production, suggesting anti-asthma effects in vitro. The in vitro anti-asthma effects in cells were confirmed in mice following the induction of asthma by alumina and chicken egg ovalbumin (OVA). Oral administration of the bioprocessed Ecklonia cava and purified fractions suppressed the induction of asthma and was accompanied by the inhibition of inflammation- and immune-related substances, including eotaxin; thymic stromal lymphopoietin (TSLP); OVA-specific IgE; leukotriene C.sub.4 (LTC4); prostaglandin D2 (PGD.sub.2); and vascular cell adhesion molecule-1 (VCAM-1) in bronchoalveolar lavage fluid (BALF) and other fluids and organs. Th2 cytokines were reduced and Th1 cytokines were restored in serum, suggesting the asthma-induced inhibitory effect is regulated by the balance of the Th1/Th2 immune response. Serum levels of IL-10, a regulatory T cell (Treg) cytokine, were increased, further favoring reduced inflammation. Histology of lung tissues revealed that the treatment also reversed the thickening of the airway wall and the contraction and infiltration of bronchial and blood vessels and perialveolar inflammatory cells. The bioprocessed Ecklonia cava/mushroom mycelia new functional food showed the highest inhibition as compared with commercial algae and the fractions isolated from the bioprocessed product. Conclusions The in vitro cell and in vivo mouse assays demonstrate the potential value of the new bioprocessed formulation as an anti-inflammatory and anti-allergic combination of natural compounds against allergic asthma and might also ameliorate allergic manifestations of foods, drugs, and viral infections. Keywords: Edible algae, Ecklonia cava, Shiitake mushrooms, Bioprocessed food, mast cells, Mice, Gas chromatography, Bioassays, Dietary interventions, Immunoglobulins, cytokines, Bronchoalveolar lavage fluid, Lungs, Histology, Anti-asthma effect</description><identifier>ISSN: 2662-7671</identifier><identifier>EISSN: 2662-7671</identifier><identifier>DOI: 10.1186/s12906-022-03705-y</identifier><language>eng</language><publisher>BioMed Central Ltd</publisher><subject>Albumin ; Aluminum compounds ; Asthma ; Functional foods ; High performance liquid chromatography ; Immunoglobulin E ; T cells</subject><ispartof>BMC complementary medicine and therapies, 2022-09, Vol.22 (1)</ispartof><rights>COPYRIGHT 2022 BioMed Central Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,864,27924,27925</link.rule.ids></links><search><creatorcontrib>Lee, Kyung Hee</creatorcontrib><creatorcontrib>Jang, Yeo Jin</creatorcontrib><creatorcontrib>Hwang, Woon Sang</creatorcontrib><creatorcontrib>Kwon, Ki Sun</creatorcontrib><creatorcontrib>Lee, Wha Young</creatorcontrib><creatorcontrib>Kim, Jeanman</creatorcontrib><creatorcontrib>Kim, Sung Phil</creatorcontrib><creatorcontrib>Friedman, Mendel</creatorcontrib><title>Edible algae mushrooms in liquid culture and its isolated fractions protect mice against allergic asthma</title><title>BMC complementary medicine and therapies</title><description>Background Ecklonia cava is an edible marine brown alga harvested from the ocean that is widely consumed in Asian countries as a health-promoting medicinal food The objective of the present study is to evaluate the anti-asthma mechanism of a new functional food produced by bioprocessing edible algae Ecklonia cava and shiitake Lentinula edodes mushroom mycelia and isolated fractions. Methods We used as series of methods, including high performance liquid chromatography, gas chromatography, cell assays, and an in vivo mouse assay to evaluate the asthma-inhibitory effect of Ecklonia cava bioprocessed (fermented) with Lentinula edodes shiitake mushroom mycelium and its isolated fractions in mast cells and in orally fed mice. Results The treatments inhibited the degranulation of RBL-2H3 cells and immunoglobulin E (IgE) production, suggesting anti-asthma effects in vitro. The in vitro anti-asthma effects in cells were confirmed in mice following the induction of asthma by alumina and chicken egg ovalbumin (OVA). Oral administration of the bioprocessed Ecklonia cava and purified fractions suppressed the induction of asthma and was accompanied by the inhibition of inflammation- and immune-related substances, including eotaxin; thymic stromal lymphopoietin (TSLP); OVA-specific IgE; leukotriene C.sub.4 (LTC4); prostaglandin D2 (PGD.sub.2); and vascular cell adhesion molecule-1 (VCAM-1) in bronchoalveolar lavage fluid (BALF) and other fluids and organs. Th2 cytokines were reduced and Th1 cytokines were restored in serum, suggesting the asthma-induced inhibitory effect is regulated by the balance of the Th1/Th2 immune response. Serum levels of IL-10, a regulatory T cell (Treg) cytokine, were increased, further favoring reduced inflammation. Histology of lung tissues revealed that the treatment also reversed the thickening of the airway wall and the contraction and infiltration of bronchial and blood vessels and perialveolar inflammatory cells. The bioprocessed Ecklonia cava/mushroom mycelia new functional food showed the highest inhibition as compared with commercial algae and the fractions isolated from the bioprocessed product. Conclusions The in vitro cell and in vivo mouse assays demonstrate the potential value of the new bioprocessed formulation as an anti-inflammatory and anti-allergic combination of natural compounds against allergic asthma and might also ameliorate allergic manifestations of foods, drugs, and viral infections. Keywords: Edible algae, Ecklonia cava, Shiitake mushrooms, Bioprocessed food, mast cells, Mice, Gas chromatography, Bioassays, Dietary interventions, Immunoglobulins, cytokines, Bronchoalveolar lavage fluid, Lungs, Histology, Anti-asthma effect</description><subject>Albumin</subject><subject>Aluminum compounds</subject><subject>Asthma</subject><subject>Functional foods</subject><subject>High performance liquid chromatography</subject><subject>Immunoglobulin E</subject><subject>T cells</subject><issn>2662-7671</issn><issn>2662-7671</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNptj0tLAzEUhYMoWLR_wFXAdWpek0yWpdQHFNx0X_KcRjITnWQW_nsDuuhC7uJezv3u4R4AHgjeENKLp0KowgJhShFmEnfo-wqsqBAUSSHJ9cV8C9alfGCMKSNMsm4FznsXTfJQp0F7OC7lPOc8FhgnmOLXEh20S6rL3IjJwVjbpuSkq3cwzNrWmKcCP-dcva1wjLZxg45Tqc0x-XmIFupSz6O-BzdBp-LXf_0OHJ_3x90rOry_vO22BzQIqZA22lgqJO_6wJUTxKmgQoctNtx0QpvApCKit8Ib7hznGjPOvLItTC9Zz-7A46_toJM_xSnk2t4cY7GnrSQ9FgwT1ajNP1Qr51uGPPkQm35x8AOTuGsA</recordid><startdate>20220917</startdate><enddate>20220917</enddate><creator>Lee, Kyung Hee</creator><creator>Jang, Yeo Jin</creator><creator>Hwang, Woon Sang</creator><creator>Kwon, Ki Sun</creator><creator>Lee, Wha Young</creator><creator>Kim, Jeanman</creator><creator>Kim, Sung Phil</creator><creator>Friedman, Mendel</creator><general>BioMed Central Ltd</general><scope/></search><sort><creationdate>20220917</creationdate><title>Edible algae mushrooms in liquid culture and its isolated fractions protect mice against allergic asthma</title><author>Lee, Kyung Hee ; Jang, Yeo Jin ; Hwang, Woon Sang ; Kwon, Ki Sun ; Lee, Wha Young ; Kim, Jeanman ; Kim, Sung Phil ; Friedman, Mendel</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g679-ababc267458f49d61d9f9f50c0b4b56abf379168c6eb4dd44a0343e9c73587383</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Albumin</topic><topic>Aluminum compounds</topic><topic>Asthma</topic><topic>Functional foods</topic><topic>High performance liquid chromatography</topic><topic>Immunoglobulin E</topic><topic>T cells</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Kyung Hee</creatorcontrib><creatorcontrib>Jang, Yeo Jin</creatorcontrib><creatorcontrib>Hwang, Woon Sang</creatorcontrib><creatorcontrib>Kwon, Ki Sun</creatorcontrib><creatorcontrib>Lee, Wha Young</creatorcontrib><creatorcontrib>Kim, Jeanman</creatorcontrib><creatorcontrib>Kim, Sung Phil</creatorcontrib><creatorcontrib>Friedman, Mendel</creatorcontrib><jtitle>BMC complementary medicine and therapies</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, Kyung Hee</au><au>Jang, Yeo Jin</au><au>Hwang, Woon Sang</au><au>Kwon, Ki Sun</au><au>Lee, Wha Young</au><au>Kim, Jeanman</au><au>Kim, Sung Phil</au><au>Friedman, Mendel</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Edible algae mushrooms in liquid culture and its isolated fractions protect mice against allergic asthma</atitle><jtitle>BMC complementary medicine and therapies</jtitle><date>2022-09-17</date><risdate>2022</risdate><volume>22</volume><issue>1</issue><issn>2662-7671</issn><eissn>2662-7671</eissn><abstract>Background Ecklonia cava is an edible marine brown alga harvested from the ocean that is widely consumed in Asian countries as a health-promoting medicinal food The objective of the present study is to evaluate the anti-asthma mechanism of a new functional food produced by bioprocessing edible algae Ecklonia cava and shiitake Lentinula edodes mushroom mycelia and isolated fractions. Methods We used as series of methods, including high performance liquid chromatography, gas chromatography, cell assays, and an in vivo mouse assay to evaluate the asthma-inhibitory effect of Ecklonia cava bioprocessed (fermented) with Lentinula edodes shiitake mushroom mycelium and its isolated fractions in mast cells and in orally fed mice. Results The treatments inhibited the degranulation of RBL-2H3 cells and immunoglobulin E (IgE) production, suggesting anti-asthma effects in vitro. The in vitro anti-asthma effects in cells were confirmed in mice following the induction of asthma by alumina and chicken egg ovalbumin (OVA). Oral administration of the bioprocessed Ecklonia cava and purified fractions suppressed the induction of asthma and was accompanied by the inhibition of inflammation- and immune-related substances, including eotaxin; thymic stromal lymphopoietin (TSLP); OVA-specific IgE; leukotriene C.sub.4 (LTC4); prostaglandin D2 (PGD.sub.2); and vascular cell adhesion molecule-1 (VCAM-1) in bronchoalveolar lavage fluid (BALF) and other fluids and organs. Th2 cytokines were reduced and Th1 cytokines were restored in serum, suggesting the asthma-induced inhibitory effect is regulated by the balance of the Th1/Th2 immune response. Serum levels of IL-10, a regulatory T cell (Treg) cytokine, were increased, further favoring reduced inflammation. Histology of lung tissues revealed that the treatment also reversed the thickening of the airway wall and the contraction and infiltration of bronchial and blood vessels and perialveolar inflammatory cells. The bioprocessed Ecklonia cava/mushroom mycelia new functional food showed the highest inhibition as compared with commercial algae and the fractions isolated from the bioprocessed product. Conclusions The in vitro cell and in vivo mouse assays demonstrate the potential value of the new bioprocessed formulation as an anti-inflammatory and anti-allergic combination of natural compounds against allergic asthma and might also ameliorate allergic manifestations of foods, drugs, and viral infections. Keywords: Edible algae, Ecklonia cava, Shiitake mushrooms, Bioprocessed food, mast cells, Mice, Gas chromatography, Bioassays, Dietary interventions, Immunoglobulins, cytokines, Bronchoalveolar lavage fluid, Lungs, Histology, Anti-asthma effect</abstract><pub>BioMed Central Ltd</pub><doi>10.1186/s12906-022-03705-y</doi></addata></record> |
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subjects | Albumin Aluminum compounds Asthma Functional foods High performance liquid chromatography Immunoglobulin E T cells |
title | Edible algae mushrooms in liquid culture and its isolated fractions protect mice against allergic asthma |
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