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Anti-inflammatory properties of the medicinal mushroom Cordyceps militaris might be related to its linear (1?3)-?-D-glucan.

ABSTRACT: The Ascomycete Cordyceps militaris, an entomopathogenic fungus, is one of the most important traditional Chinese medicines. Studies related to its pharmacological properties suggest that this mushroom can exert interesting biological activities. Aqueous (CW and HW) and alkaline (K5) extracts containing polysaccharides were prepared from this mushroom, and a ?-D-glucan was purified. This polymer was analysed by GC-MS and NMR spectrometry, showing a linear chain composed of ?-D-Glcp (1?3)-linked. The six main signals in the 13C-NMR spectrum were assigned by comparison to reported data. The aqueous (CW, HW) extracts stimulated the expression of IL-1?, TNF-?, and COX-2 by THP-1 macrophages, while the alkaline (K5) extract did not show any effect. However, when the extracts were added to the cells in the presence of LPS, K5 showed the highest inhibition of the pro-inflammatory genes expression. This inhibitory effect was also observed for the purified ?-(1?3)-D-glucan, that seems to be the most potent anti-inflammatory compound present in the polysaccharide extracts of C. militaris. In vivo, ?-(1?3)-D-glucan also inhibited significantly the inflammatory phase of formalin-induced nociceptive response, and, in addition, it reduced the migration of total leukocytes but not the neutrophils induced by LPS. In conclusion, this study clearly demonstrates the anti-inflammatory effect of ?-(1?3)-D-glucan.

SUBMITTER: Smiderle FR

PROVIDER: S-EPMC4201515 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Anti-inflammatory properties of the medicinal mushroom Cordyceps militaris might be related to its linear (1→3)-β-D-glucan.

Smiderle Fhernanda R FR Baggio Cristiane H CH Borato Débora G DG Santana-Filho Arquimedes P AP Sassaki Guilherme L GL Iacomini Marcello M Van Griensven Leo J L D LJ

PloS one 20141017 10

The Ascomycete Cordyceps militaris, an entomopathogenic fungus, is one of the most important traditional Chinese medicines. Studies related to its pharmacological properties suggest that this mushroom can exert interesting biological activities. Aqueous (CW and HW) and alkaline (K5) extracts containing polysaccharides were prepared from this mushroom, and a β-D-glucan was purified. This polymer was analysed by GC-MS and NMR spectrometry, showing a linear chain composed of β-D-Glcp (1→3)-linked. ...[more]

PMID: 25330371

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Project description:Context. Pleurotus ostreatus (P.o) is a culinary mushroom which is commonly called as "oyster mushroom" belonging to the Basidiomycetous fungi of the order Agaricales and family Pleurotaceae. Objectives:The present study investigates the anti-inflammatory potential of P.o) is a culinary mushroom which is commonly called as "oyster mushroom" belonging to the Basidiomycetous fungi of the order Agaricales and family Pleurotaceae. Materials and Methods. Anti-inflammatory activity was evaluated using suspensions of freeze-dried and powdered (SFDP) P.o) is a culinary mushroom which is commonly called as "oyster mushroom" belonging to the Basidiomycetous fungi of the order Agaricales and family Pleurotaceae. P.o) is a culinary mushroom which is commonly called as "oyster mushroom" belonging to the Basidiomycetous fungi of the order Agaricales and family Pleurotaceae. P.o) is a culinary mushroom which is commonly called as "oyster mushroom" belonging to the Basidiomycetous fungi of the order Agaricales and family Pleurotaceae. in vivo and in vitro assays. Results:At doses of 500-1000?mg/kg, the SFDP of P.o) is a culinary mushroom which is commonly called as "oyster mushroom" belonging to the Basidiomycetous fungi of the order Agaricales and family Pleurotaceae. P.o) is a culinary mushroom which is commonly called as "oyster mushroom" belonging to the Basidiomycetous fungi of the order Agaricales and family Pleurotaceae. P.o) is a culinary mushroom which is commonly called as "oyster mushroom" belonging to the Basidiomycetous fungi of the order Agaricales and family Pleurotaceae. P.o) is a culinary mushroom which is commonly called as "oyster mushroom" belonging to the Basidiomycetous fungi of the order Agaricales and family Pleurotaceae. in vitro assays. P < 0.05). Dose-dependent inhibition of NO production was seen with in vitro assays. P.o) is a culinary mushroom which is commonly called as "oyster mushroom" belonging to the Basidiomycetous fungi of the order Agaricales and family Pleurotaceae. r?=?0.95; P < 0.05). Dose-dependent inhibition of NO production was seen with Discussion and Conclusion. The promising activity of culinary mushroom P.o against inflammation suggests its potential application as a functional food during inflammatory conditions.P.o) is a culinary mushroom which is commonly called as "oyster mushroom" belonging to the Basidiomycetous fungi of the order Agaricales and family Pleurotaceae.

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Anti-inflammatory properties of the medicinal mushroom Cordyceps militaris might be related to its linear (1?3)-?-D-glucan.

Publications

Anti-inflammatory properties of the medicinal mushroom Cordyceps militaris might be related to its linear (1→3)-β-D-glucan.

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