Antiviral activity of acidic polysaccharides from Coccomyxa gloeobotrydiformi, a green alga, against an in vitro human influenza A virus infection.
Identifieur interne : 000915 ( Main/Exploration ); précédent : 000914; suivant : 000916Antiviral activity of acidic polysaccharides from Coccomyxa gloeobotrydiformi, a green alga, against an in vitro human influenza A virus infection.
Auteurs : Takayuki Komatsu [Japon] ; Nobuo Kido ; Tsuyoshi Sugiyama ; Takashi YokochiSource :
- Immunopharmacology and immunotoxicology [ 1532-2513 ] ; 2013.
Descripteurs français
- KwdFr :
- Animaux, Antiviraux (), Antiviraux (pharmacologie), Cellules cultivées, Cellules rénales canines Madin-Darby, Chiens, Chlorophyta (), Extraits de plantes (), Extraits de plantes (pharmacologie), Grippe humaine (traitement médicamenteux), Grippe humaine (virologie), Humains, Hémagglutination (), Hémolyse (), Interactions hôte-pathogène (), Polyosides (), Polyosides (pharmacologie), Poulets, Réplication virale (), Virus de la grippe A (), Érythrocytes ().
- MESH :
- pharmacologie : Antiviraux, Extraits de plantes, Polyosides.
- traitement médicamenteux : Grippe humaine.
- virologie : Grippe humaine.
- Animaux, Antiviraux, Cellules cultivées, Cellules rénales canines Madin-Darby, Chiens, Chlorophyta, Extraits de plantes, Humains, Hémagglutination, Hémolyse, Interactions hôte-pathogène, Polyosides, Poulets, Réplication virale, Virus de la grippe A, Érythrocytes.
English descriptors
- KwdEn :
- Animals, Antiviral Agents (chemistry), Antiviral Agents (pharmacology), Cells, Cultured, Chickens, Chlorophyta (chemistry), Dogs, Erythrocytes (drug effects), Hemagglutination (drug effects), Hemolysis (drug effects), Host-Pathogen Interactions (drug effects), Humans, Influenza A virus (drug effects), Influenza, Human (drug therapy), Influenza, Human (virology), Madin Darby Canine Kidney Cells, Plant Extracts (chemistry), Plant Extracts (pharmacology), Polysaccharides (chemistry), Polysaccharides (pharmacology), Virus Replication (drug effects).
- MESH :
- chemical , chemistry : Antiviral Agents, Plant Extracts, Polysaccharides.
- chemical , pharmacology : Antiviral Agents, Plant Extracts, Polysaccharides.
- chemistry : Chlorophyta.
- drug effects : Erythrocytes, Hemagglutination, Hemolysis, Host-Pathogen Interactions, Influenza A virus, Virus Replication.
- drug therapy : Influenza, Human.
- virology : Influenza, Human.
- Animals, Cells, Cultured, Chickens, Dogs, Humans, Madin Darby Canine Kidney Cells.
Abstract
The extracts prepared from green algae are reported to possess a variety of biological activities including antioxidant, antitumor and antiviral activities. The acidic polysaccharide fraction from a green alga Coccomyxa gloeobotrydiformi (CmAPS) was isolated and the antiviral action on an in vitro infection of influenza A virus was examined. CmAPS inhibited the growth and yield of all influenza A virus strains tested, such as A/H1N1, A/H2N2, A/H3N2 and A/H1N1 pandemic strains. The 50% inhibitory concentration of CmAPS on the infection of human influenza A virus strains ranged from 26 to 70 µg/mL and the antiviral activity of CmAPS against influenza A/USSR90/77 (H1N1) was the strongest. The antiviral activity of CmAPS was not due to the cytotoxicity against host cells. The antiviral activity of CmAPS required its presence in the inoculation of virus onto MDCK cells. Pretreatment and post-treatment with CmAPS was ineffective for the antiviral activity. CmAPS inhibited influenza A virus-induced erythrocyte hemagglutination and hemolysis. Taken together, CmAPS was suggested to exhibit the anti-influenza virus activity through preventing the interaction of virus and host cells. The detailed antiviral activity of CmAPS is discussed.
DOI: 10.3109/08923973.2012.710636
PubMed: 22856509
Affiliations:
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The acidic polysaccharide fraction from a green alga Coccomyxa gloeobotrydiformi (CmAPS) was isolated and the antiviral action on an in vitro infection of influenza A virus was examined. CmAPS inhibited the growth and yield of all influenza A virus strains tested, such as A/H1N1, A/H2N2, A/H3N2 and A/H1N1 pandemic strains. The 50% inhibitory concentration of CmAPS on the infection of human influenza A virus strains ranged from 26 to 70 µg/mL and the antiviral activity of CmAPS against influenza A/USSR90/77 (H1N1) was the strongest. The antiviral activity of CmAPS was not due to the cytotoxicity against host cells. The antiviral activity of CmAPS required its presence in the inoculation of virus onto MDCK cells. Pretreatment and post-treatment with CmAPS was ineffective for the antiviral activity. CmAPS inhibited influenza A virus-induced erythrocyte hemagglutination and hemolysis. Taken together, CmAPS was suggested to exhibit the anti-influenza virus activity through preventing the interaction of virus and host cells. The detailed antiviral activity of CmAPS is discussed.</div></front></TEI><affiliations><list><country><li>Japon</li></country></list><tree><noCountry><name sortKey="Kido, Nobuo" sort="Kido, Nobuo" uniqKey="Kido N" first="Nobuo" last="Kido">Nobuo Kido</name><name sortKey="Sugiyama, Tsuyoshi" sort="Sugiyama, Tsuyoshi" uniqKey="Sugiyama T" first="Tsuyoshi" last="Sugiyama">Tsuyoshi Sugiyama</name><name sortKey="Yokochi, Takashi" sort="Yokochi, Takashi" uniqKey="Yokochi T" first="Takashi" last="Yokochi">Takashi Yokochi</name></noCountry><country name="Japon"><noRegion><name sortKey="Komatsu, Takayuki" sort="Komatsu, Takayuki" uniqKey="Komatsu T" first="Takayuki" last="Komatsu">Takayuki Komatsu</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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