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The level of anti-(GalNAc beta) and anti-para-Forssman disaccharide igg antibodies in patients with gastrointestinal cancer: relation to survival

The level of anti-(GalNAc beta) and anti-para-Forssman disaccharide igg antibodies in patients with gastrointestinal cancer: relation to survival

Serum anti-(GalNAc beta) and anti-para-Forssman disaccharide (PFdi, GalNAc beta1 - 3GalNAc beta) IgG levels were earlier found to be related to histological grading and progression of gastrointestinal cancer. Aim - to study the relation of serum antibodies level to survival in patients with gastroin...

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Main Authors: Smorodin, E.P., Kurtenkov, O.A., Sergeyev, B.L.
Format: Article
Language:English
Published: Інститут експериментальної патології, онкології і радіобіології ім. Р.Є. Кавецького НАН України 2013
Series:Experimental Oncology
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Original contributions
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/145210
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spelling irk-123456789-1452102019-01-20T01:23:12Z The level of anti-(GalNAc beta) and anti-para-Forssman disaccharide igg antibodies in patients with gastrointestinal cancer: relation to survival Smorodin, E.P. Kurtenkov, O.A. Sergeyev, B.L. Original contributions Serum anti-(GalNAc beta) and anti-para-Forssman disaccharide (PFdi, GalNAc beta1 - 3GalNAc beta) IgG levels were earlier found to be related to histological grading and progression of gastrointestinal cancer. Aim - to study the relation of serum antibodies level to survival in patients with gastrointestinal cancer. Methods: The level of anti-GalNAc beta, and PFdi IgG was analysed in the serum of patients with gastric (n = 78) and colorectal (n = 48) cancers in the long-term follow-up using ELISA with polyacrylamide glycoconjugates. Survival rate and hazard ratio (HR) were assessed by the Kaplan - Meier method and Cox univariate analysis in different pathomorphological groups. Better survival was observed in patients with an increased preoperative level of GalNAc beta antibodies. These were the gastrointestinal group in stages II, III or tumors T2 - 4 (n = 90 - 104, P = 0,007, HR = 0,48 - 0,49, 95 % CI 0,27 - 0,83, and the group with gastric cancer in stages I, II (n = 49, P = 0,051, HR = 0,39, 95 % CI 0,14 - 1,04). The survival time was significantly longer in the gastrointestinal group in patients whose GalNAc beta antibodies level rose in dynamics (stage III or N1 - 2: P = 0,031 - 0,039, HR = 0,29 - 0,31, 95 % CI 0,09 - 1,00). No significant difference in survival of patients was observed in the evaluation of PFdi antibodies. We suggest that the level of antibodies and its change reflect the enteric microbiota colonization, which may influence cancer progression via different interrelations between microbiota, the tumor and immune system. Key Words: gastrointestinal cancer, survival, GalNAc beta and para-Forssman disaccharide antibodies, enteric bacteria. 2013 Article The level of anti-(GalNAc beta) and anti-para-Forssman disaccharide igg antibodies in patients with gastrointestinal cancer: relation to survival / E.P. Smorodin, O.A. Kurtenkov, B.L. Sergeyev // Experimental Oncology. — 2013. — Т. 35, № 2. — С. 89-92. — Бібліогр.: 22 назв. — англ. 1812-9269 http://dspace.nbuv.gov.ua/handle/123456789/145210 en Experimental Oncology Інститут експериментальної патології, онкології і радіобіології ім. Р.Є. Кавецького НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
topic Original contributions
Original contributions
spellingShingle Original contributions
Original contributions
Smorodin, E.P.
Kurtenkov, O.A.
Sergeyev, B.L.
The level of anti-(GalNAc beta) and anti-para-Forssman disaccharide igg antibodies in patients with gastrointestinal cancer: relation to survival
Experimental Oncology
description Serum anti-(GalNAc beta) and anti-para-Forssman disaccharide (PFdi, GalNAc beta1 - 3GalNAc beta) IgG levels were earlier found to be related to histological grading and progression of gastrointestinal cancer. Aim - to study the relation of serum antibodies level to survival in patients with gastrointestinal cancer. Methods: The level of anti-GalNAc beta, and PFdi IgG was analysed in the serum of patients with gastric (n = 78) and colorectal (n = 48) cancers in the long-term follow-up using ELISA with polyacrylamide glycoconjugates. Survival rate and hazard ratio (HR) were assessed by the Kaplan - Meier method and Cox univariate analysis in different pathomorphological groups. Better survival was observed in patients with an increased preoperative level of GalNAc beta antibodies. These were the gastrointestinal group in stages II, III or tumors T2 - 4 (n = 90 - 104, P = 0,007, HR = 0,48 - 0,49, 95 % CI 0,27 - 0,83, and the group with gastric cancer in stages I, II (n = 49, P = 0,051, HR = 0,39, 95 % CI 0,14 - 1,04). The survival time was significantly longer in the gastrointestinal group in patients whose GalNAc beta antibodies level rose in dynamics (stage III or N1 - 2: P = 0,031 - 0,039, HR = 0,29 - 0,31, 95 % CI 0,09 - 1,00). No significant difference in survival of patients was observed in the evaluation of PFdi antibodies. We suggest that the level of antibodies and its change reflect the enteric microbiota colonization, which may influence cancer progression via different interrelations between microbiota, the tumor and immune system. Key Words: gastrointestinal cancer, survival, GalNAc beta and para-Forssman disaccharide antibodies, enteric bacteria.
format Article
author Smorodin, E.P.
Kurtenkov, O.A.
Sergeyev, B.L.
author_facet Smorodin, E.P.
Kurtenkov, O.A.
Sergeyev, B.L.
author_sort Smorodin, E.P.
title The level of anti-(GalNAc beta) and anti-para-Forssman disaccharide igg antibodies in patients with gastrointestinal cancer: relation to survival
title_short The level of anti-(GalNAc beta) and anti-para-Forssman disaccharide igg antibodies in patients with gastrointestinal cancer: relation to survival
title_full The level of anti-(GalNAc beta) and anti-para-Forssman disaccharide igg antibodies in patients with gastrointestinal cancer: relation to survival
title_fullStr The level of anti-(GalNAc beta) and anti-para-Forssman disaccharide igg antibodies in patients with gastrointestinal cancer: relation to survival
title_full_unstemmed The level of anti-(GalNAc beta) and anti-para-Forssman disaccharide igg antibodies in patients with gastrointestinal cancer: relation to survival
title_sort level of anti-(galnac beta) and anti-para-forssman disaccharide igg antibodies in patients with gastrointestinal cancer: relation to survival
publisher Інститут експериментальної патології, онкології і радіобіології ім. Р.Є. Кавецького НАН України
publishDate 2013
topic_facet Original contributions
url http://dspace.nbuv.gov.ua/handle/123456789/145210
citation_txt The level of anti-(GalNAc beta) and anti-para-Forssman disaccharide igg antibodies in patients with gastrointestinal cancer: relation to survival / E.P. Smorodin, O.A. Kurtenkov, B.L. Sergeyev // Experimental Oncology. — 2013. — Т. 35, № 2. — С. 89-92. — Бібліогр.: 22 назв. — англ.
series Experimental Oncology
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first_indexed 2023-05-20T17:21:31Z
last_indexed 2023-05-20T17:21:31Z
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