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Preventive effect of a pectic polysaccharide of the common cranberry Vaccinium oxycoccos L. on acetic acid-induced colitis in mice

AIM: To study isolation and chemical characterization of pectin derived from the common cranberry Vaccin/um oxycoccos L. (oxycoccusan OP) and the testing of its preventive effect on experimental colitis. METHODS: Mice were administrated orally with OP two days prior to a rectal injection of 5% aceti...

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Published in:World journal of gastroenterology : WJG 2006-11, Vol.12 (41), p.6646-6651
Main Authors: Popov, Sergey V, Markov, Pavel A, Nikitina, Ida-R, Petrishev, Sergey, Smirnov, Vasily, Ovodov, Yury S
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description AIM: To study isolation and chemical characterization of pectin derived from the common cranberry Vaccin/um oxycoccos L. (oxycoccusan OP) and the testing of its preventive effect on experimental colitis. METHODS: Mice were administrated orally with OP two days prior to a rectal injection of 5% acetic acid and examined for colonic damage 24 h later. Colonic inflammation was characterized by macroscopical injury and enhanced levels of myeloperoxidase activity measured spectrophotometrically with o-phenylene diamine as the substrate. The mucus contents of the colon were determined by the Alcian blue dye binding method. Vascular permeability was estimated using 4% Evans blue passage after i.p. injection of 0.05 mol/L acetic acid. RESULTS: In the mice treated with OP, colonic macroscopic scores (1.1 ± 0.4 vs 2.7, P 〈 0.01) and the total square area of damage (10 ± 2 vs 21 ± 7, P 〈 0.01) were significantly reduced when compared with the vehicle-treated colitis group. OP was shown to decrease the tissue myeloperoxidase activity in colons (42 ± 11 vs 112 ± 40, P 〈 0.01) and enhance the amount of mucus of colitis mice (0.9 ± 0.1 vs 0.4 ± 0.1, P 〈 0.01). The level of colonic malondialdehyde was noted to decrease in OP-pretreated mice (3.6 ± 0.7 vs 5.1 ± 0.8, P 〈 0.01). OP was found to decrease the inflammatory status of mice as was determined by reduction of vascular permeability (161 ± 34 vs 241 ± 21, P 〈 0.01). Adhesion of peritoneal neutrophils and macrophages was also shown to decrease after administration of OP (141 ± 50 vs 235 ± 37, P 〈 0.05). CONCLUSION: Thus, a preventive effect of pectin from the common cranberry, namely oxycoccusan OP, on acetic acid-induced colitis in mice was detected. A reduction of neutrophil infiltration and antioxidant action may be implicated in the protective effect of oxycoccusan.
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(oxycoccusan OP) and the testing of its preventive effect on experimental colitis. METHODS: Mice were administrated orally with OP two days prior to a rectal injection of 5% acetic acid and examined for colonic damage 24 h later. Colonic inflammation was characterized by macroscopical injury and enhanced levels of myeloperoxidase activity measured spectrophotometrically with o-phenylene diamine as the substrate. The mucus contents of the colon were determined by the Alcian blue dye binding method. Vascular permeability was estimated using 4% Evans blue passage after i.p. injection of 0.05 mol/L acetic acid. RESULTS: In the mice treated with OP, colonic macroscopic scores (1.1 ± 0.4 vs 2.7, P 〈 0.01) and the total square area of damage (10 ± 2 vs 21 ± 7, P 〈 0.01) were significantly reduced when compared with the vehicle-treated colitis group. OP was shown to decrease the tissue myeloperoxidase activity in colons (42 ± 11 vs 112 ± 40, P 〈 0.01) and enhance the amount of mucus of colitis mice (0.9 ± 0.1 vs 0.4 ± 0.1, P 〈 0.01). The level of colonic malondialdehyde was noted to decrease in OP-pretreated mice (3.6 ± 0.7 vs 5.1 ± 0.8, P 〈 0.01). OP was found to decrease the inflammatory status of mice as was determined by reduction of vascular permeability (161 ± 34 vs 241 ± 21, P 〈 0.01). Adhesion of peritoneal neutrophils and macrophages was also shown to decrease after administration of OP (141 ± 50 vs 235 ± 37, P 〈 0.05). CONCLUSION: Thus, a preventive effect of pectin from the common cranberry, namely oxycoccusan OP, on acetic acid-induced colitis in mice was detected. A reduction of neutrophil infiltration and antioxidant action may be implicated in the protective effect of oxycoccusan.</description><identifier>ISSN: 1007-9327</identifier><identifier>EISSN: 2219-2840</identifier><identifier>DOI: 10.3748/wjg.v12.i41.6646</identifier><identifier>PMID: 17075978</identifier><language>eng</language><publisher>United States: Department of Molecular Immunology and Biotechnology, Institute of Physiology, Komi Science Centre, The Urals Branch of the Russian Academy of Sciences, 50 Pervomaiskaya str., Syktyvkar 167982, Russia</publisher><subject>Acetic Acid ; Animals ; Antioxidants - metabolism ; Basic Research ; Cell Adhesion - drug effects ; Colitis - chemically induced ; Colitis - pathology ; Colitis - prevention &amp; control ; Colon - metabolism ; Colon - pathology ; Disease Models, Animal ; Intestinal Mucosa - pathology ; Male ; Malondialdehyde - metabolism ; Mice ; Mice, Inbred A ; Neutrophils - pathology ; Pectins - pharmacology ; Pectins - therapeutic use ; Peroxidase - metabolism ; Phytotherapy ; Plant Preparations - pharmacology ; Plant Preparations - therapeutic use ; Vaccinium - chemistry ; 果胶多糖</subject><ispartof>World journal of gastroenterology : WJG, 2006-11, Vol.12 (41), p.6646-6651</ispartof><rights>Copyright © Wanfang Data Co. Ltd. All Rights Reserved.</rights><rights>2006 Baishideng Publishing Group Co., Limited. All rights reserved. 2006</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c338t-3305be0d043699a8aed3acab8352b45c075dac289437325f784aa57c8c6092873</citedby><cites>FETCH-LOGICAL-c338t-3305be0d043699a8aed3acab8352b45c075dac289437325f784aa57c8c6092873</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/84123X/84123X.jpg</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4125670/pdf/$$EPDF$$P50$$Gpubmedcentral$$H</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4125670/$$EHTML$$P50$$Gpubmedcentral$$H</linktohtml><link.rule.ids>230,315,733,786,790,891,27957,27958,53827,53829</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17075978$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Popov, Sergey V</creatorcontrib><creatorcontrib>Markov, Pavel A</creatorcontrib><creatorcontrib>Nikitina, Ida-R</creatorcontrib><creatorcontrib>Petrishev, Sergey</creatorcontrib><creatorcontrib>Smirnov, Vasily</creatorcontrib><creatorcontrib>Ovodov, Yury S</creatorcontrib><title>Preventive effect of a pectic polysaccharide of the common cranberry Vaccinium oxycoccos L. on acetic acid-induced colitis in mice</title><title>World journal of gastroenterology : WJG</title><addtitle>World Journal of Gastroenterology</addtitle><description>AIM: To study isolation and chemical characterization of pectin derived from the common cranberry Vaccin/um oxycoccos L. (oxycoccusan OP) and the testing of its preventive effect on experimental colitis. METHODS: Mice were administrated orally with OP two days prior to a rectal injection of 5% acetic acid and examined for colonic damage 24 h later. Colonic inflammation was characterized by macroscopical injury and enhanced levels of myeloperoxidase activity measured spectrophotometrically with o-phenylene diamine as the substrate. The mucus contents of the colon were determined by the Alcian blue dye binding method. Vascular permeability was estimated using 4% Evans blue passage after i.p. injection of 0.05 mol/L acetic acid. RESULTS: In the mice treated with OP, colonic macroscopic scores (1.1 ± 0.4 vs 2.7, P 〈 0.01) and the total square area of damage (10 ± 2 vs 21 ± 7, P 〈 0.01) were significantly reduced when compared with the vehicle-treated colitis group. OP was shown to decrease the tissue myeloperoxidase activity in colons (42 ± 11 vs 112 ± 40, P 〈 0.01) and enhance the amount of mucus of colitis mice (0.9 ± 0.1 vs 0.4 ± 0.1, P 〈 0.01). The level of colonic malondialdehyde was noted to decrease in OP-pretreated mice (3.6 ± 0.7 vs 5.1 ± 0.8, P 〈 0.01). OP was found to decrease the inflammatory status of mice as was determined by reduction of vascular permeability (161 ± 34 vs 241 ± 21, P 〈 0.01). Adhesion of peritoneal neutrophils and macrophages was also shown to decrease after administration of OP (141 ± 50 vs 235 ± 37, P 〈 0.05). CONCLUSION: Thus, a preventive effect of pectin from the common cranberry, namely oxycoccusan OP, on acetic acid-induced colitis in mice was detected. 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Pectin; Colitis; Anti-inflammatory; Mice</notes><notes>Correspondence to: Dr. Sergey V Popov, Institute of Physiology, Komi Science Centre, the Urals Branch of the Russian Academy of Sciences, 50 Pervomaiskaya str., Syktyvkar 167982, Russia. popov@physiol.komisc.ru</notes><notes>Telephone: +7-8212-241001 Fax: +7-8212-241001</notes><notes>Supported by the Program of Presidium of the Russian Acad. Sci. «Molecular and cellular biology», by the Russian Fund for Basic Research, No. 06-04-48079 and by the Program for Leading Scientific Schools, No. 5796.2006.4</notes><abstract>AIM: To study isolation and chemical characterization of pectin derived from the common cranberry Vaccin/um oxycoccos L. (oxycoccusan OP) and the testing of its preventive effect on experimental colitis. METHODS: Mice were administrated orally with OP two days prior to a rectal injection of 5% acetic acid and examined for colonic damage 24 h later. Colonic inflammation was characterized by macroscopical injury and enhanced levels of myeloperoxidase activity measured spectrophotometrically with o-phenylene diamine as the substrate. The mucus contents of the colon were determined by the Alcian blue dye binding method. Vascular permeability was estimated using 4% Evans blue passage after i.p. injection of 0.05 mol/L acetic acid. RESULTS: In the mice treated with OP, colonic macroscopic scores (1.1 ± 0.4 vs 2.7, P 〈 0.01) and the total square area of damage (10 ± 2 vs 21 ± 7, P 〈 0.01) were significantly reduced when compared with the vehicle-treated colitis group. OP was shown to decrease the tissue myeloperoxidase activity in colons (42 ± 11 vs 112 ± 40, P 〈 0.01) and enhance the amount of mucus of colitis mice (0.9 ± 0.1 vs 0.4 ± 0.1, P 〈 0.01). The level of colonic malondialdehyde was noted to decrease in OP-pretreated mice (3.6 ± 0.7 vs 5.1 ± 0.8, P 〈 0.01). OP was found to decrease the inflammatory status of mice as was determined by reduction of vascular permeability (161 ± 34 vs 241 ± 21, P 〈 0.01). Adhesion of peritoneal neutrophils and macrophages was also shown to decrease after administration of OP (141 ± 50 vs 235 ± 37, P 〈 0.05). CONCLUSION: Thus, a preventive effect of pectin from the common cranberry, namely oxycoccusan OP, on acetic acid-induced colitis in mice was detected. A reduction of neutrophil infiltration and antioxidant action may be implicated in the protective effect of oxycoccusan.</abstract><cop>United States</cop><pub>Department of Molecular Immunology and Biotechnology, Institute of Physiology, Komi Science Centre, The Urals Branch of the Russian Academy of Sciences, 50 Pervomaiskaya str., Syktyvkar 167982, Russia</pub><pmid>17075978</pmid><doi>10.3748/wjg.v12.i41.6646</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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subjects Acetic Acid
Animals
Antioxidants - metabolism
Basic Research
Cell Adhesion - drug effects
Colitis - chemically induced
Colitis - pathology
Colitis - prevention & control
Colon - metabolism
Colon - pathology
Disease Models, Animal
Intestinal Mucosa - pathology
Male
Malondialdehyde - metabolism
Mice
Mice, Inbred A
Neutrophils - pathology
Pectins - pharmacology
Pectins - therapeutic use
Peroxidase - metabolism
Phytotherapy
Plant Preparations - pharmacology
Plant Preparations - therapeutic use
Vaccinium - chemistry
果胶多糖
title Preventive effect of a pectic polysaccharide of the common cranberry Vaccinium oxycoccos L. on acetic acid-induced colitis in mice
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