{"id":6888,"date":"2019-05-11T10:56:00","date_gmt":"2019-05-11T10:56:00","guid":{"rendered":"https:\/\/www.adacyte.com\/?post_type=scientific-corner&p=6888"},"modified":"2024-05-02T11:01:52","modified_gmt":"2024-05-02T09:01:52","slug":"tu1846-higher-tnf%ce%b1-and-mip-1%ce%b2-expression-in-pretreatment-colonic-mucosa-have-potential-to-predict-of-achieving-mucosal-healing-by-granulocyte-and-monocyte-adsor","status":"publish","type":"scientific-corner","link":"https:\/\/www.adacyte.com\/fr\/professional\/scientific-corner\/tu1846-higher-tnf%ce%b1-and-mip-1%ce%b2-expression-in-pretreatment-colonic-mucosa-have-potential-to-predict-of-achieving-mucosal-healing-by-granulocyte-and-monocyte-adsor\/","title":{"rendered":"Tu1846 Higher TNF\u03b1 and Mip-1\u03b2 Expression in Pretreatment Colonic Mucosa Have Potential to Predict of Achieving Mucosal Healing by\u00a0Granulocyte\u00a0and\u00a0Monocyte\u00a0Adsorptive\u00a0Apheresis\u00a0Therapy in Ulcerative Colitis Patients"},"content":{"rendered":"
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Chie Kurihara, Toshihide Ohmori, Hirotaka Furuhashi, Kenichi Inaba, Nao Sugihara, Yoshinori Hanawa, Gastroenterology 2019 156 (6) Suppl. S-1146 <\/p>\n<\/div>\n\n

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Background: <\/strong>Granulocyte and monocyte adsorptive apheresis (GMA) is non-pharmacological therapy which selective depletion of activated granulocytes and monocytes\/macrophages from peripheral blood. GMA is effective and safe as induction therapy in ulcerative colitis (UC) of moderate to severe patients, and commonly used in Asia and north Europe. However, therapeutic mechanism of GMA, especially its effect on mucosal healing, has not been well characterized. Since moderate to severe patients with UC sometimes become fulminant, it is important to select an appropriate induction therapy. GMA treatment efficacy is reported about 60% patients respond, whereas, there is not useful parameter that predicts GMA therapeutic efficacy before treatment. In this study, we attempted to identify predictive factors of clinical response to GMA treatment in UC patients. Methods:<\/strong> Thirty-two active UC patients (Mayo score ^ 5 and Mayo endoscopic score ^ 2) and 10 non-IBD control subjects were enrolled in this study. All UC patients received 10 or 11 times of GMA, and colonoscopies were applied before the first GMA and after the last GMA. Control subjects underwent colonoscopies for screening of colon cancer. Assessment of disease activity and colonic mucosal healing were determined based on Mayo score. Inflammation-related molecules mRNA expressions were determined by quantitative RT-PCR using biopsy specimen of colonic mucosa. ROC curves analysis was used to assess sensitivity and specificity in prediction of GMA therapeutic efficacy. Results:<\/strong> GMA treatment efficacy is 11 patients (34.4%) achieved clinical remission, 17 patients (53.1%) were response and 4 patients (12.5%) were non-response. Mucosal healing was observed in 18 patients (56.3%) and it was not observed in 14 patients (43.7%). Baseline characteristics were not significantly different according to GMA efficacy. Before the first GMA session, the clinical remission group showed significantly higher expressions of TNF\u03b1, MAdCAM-1 and MIP-1\u03b2 mRNA than those of the non-response group (P <0.05). Patients in the response group who highly expressed these mRNA achieved mucosal healing. In the mucosal healing group, the mRNA levels of TNF\u03b1, IL-1\u03b2, IL-8, MIP-1\u03b2, TGF\u03b2 and IL-10 were significantly higher than those in the non-mucosal healing group (P <0.05). TNF\u03b1 and MIP-1\u03b2 had 0.83 and 0.79 of area under the curve with 83.3% and 66.7% sensitivity, 71.4% and 100% specificity, 78.9% and 100%positive predictive value, and 76.9% and 70.0% negative predictive value, respectively, for prediction of mucosal healing. Conclusion:<\/strong> Mucosal expression of TNF\u03b1 and MIP-1\u03b2 mRNA before treatment in the remission group and the mucosal healing group was significantly higher than non-responder to GMA treatment. We propose that measuring of these molecules’ expression is useful to expect GMA therapeutic efficacy in patients with UC.<\/p>\n<\/div>\n\n

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https:\/\/www.gastrojournal.org\/action\/doSearch?text1=granulocyte+and+monocyte+apheresis+&field1=AllField&AfterYear=2018&BeforeYear=2021&pageSize=50&startPage=&SeriesKey=ygast<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Chie Kurihara, Toshihide Ohmori, Hirotaka Furuhashi, Kenichi Inaba, Nao Sugihara, Yoshinori Hanawa, Gastroenterology 2019 156 (6) Suppl. S-1146 Background: Granulocyte and monocyte adsorptive apheresis (GMA) is non-pharmacological therapy which selective depletion of activated granulocytes and monocytes\/macrophages from peripheral blood. GMA is effective and safe as induction therapy in ulcerative colitis (UC) of moderate to severe […]<\/p>\n","protected":false},"template":"","scientific_tags":[391,424,181,312,535,536,308,224,183,306],"class_list":["post-6888","scientific-corner","type-scientific-corner","status-publish","hentry","scientific_tags-colon","scientific_tags-gma","scientific_tags-gmas-responders","scientific_tags-immunology","scientific_tags-mip-1b","scientific_tags-mucosa","scientific_tags-mucosal-healing","scientific_tags-predictors-of-response","scientific_tags-tnf-","scientific_tags-ulcerative-colitis"],"acf":{"sc_authors":"https:\/\/www.gastrojournal.org<\/a>"},"yoast_head":"\nTu1846 Higher TNF\u03b1 and Mip-1\u03b2 Expression in Pretreatment Colonic Mucosa Have Potential to Predict of Achieving Mucosal Healing by\u00a0Granulocyte\u00a0and\u00a0Monocyte\u00a0Adsorptive\u00a0Apheresis\u00a0Therapy in Ulcerative Colitis Patients - Adacyte<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.adacyte.com\/professional\/scientific-corner\/tu1846-higher-tnf\u03b1-and-mip-1\u03b2-expression-in-pretreatment-colonic-mucosa-have-potential-to-predict-of-achieving-mucosal-healing-by-granulocyte-and-monocyte-adsor\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tu1846 Higher TNF\u03b1 and Mip-1\u03b2 Expression in Pretreatment Colonic Mucosa Have Potential to Predict of Achieving Mucosal Healing by\u00a0Granulocyte\u00a0and\u00a0Monocyte\u00a0Adsorptive\u00a0Apheresis\u00a0Therapy in Ulcerative Colitis Patients - Adacyte\" \/>\n<meta property=\"og:description\" content=\"Chie Kurihara, Toshihide Ohmori, Hirotaka Furuhashi, Kenichi Inaba, Nao Sugihara, Yoshinori Hanawa, Gastroenterology 2019 156 (6) Suppl. S-1146 Background: Granulocyte and monocyte adsorptive apheresis (GMA) is non-pharmacological therapy which selective depletion of activated granulocytes and monocytes\/macrophages from peripheral blood. 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