Differences of immunophenotypic markers and signaling molecules between adenocarcinomas of gastric cardia and distal stomach

Summary During the past decades, the subsites of gastric carcinoma underwent significant changes. The incidence of the adenocarcinoma at distal stomach has been decreased, whereas cardiac adenocarcinoma remained increasing in many countries. The aim of this study was to investigate the differences b...

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Veröffentlicht in:Human pathology 2011-04, Vol.42 (4), p.594-601
Hauptverfasser: Xue, Liying, MD, Zhang, Xianghong, MD, Li, Yuehong, MD, Yang, Haiyan, MS, Li, Xuemin, BS, Mi, Jianmin, BS, Wang, Hengshu, BS, Wang, Junling, BS, Yan, Xia, BS
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container_end_page 601
container_issue 4
container_start_page 594
container_title Human pathology
container_volume 42
creator Xue, Liying, MD
Zhang, Xianghong, MD
Li, Yuehong, MD
Yang, Haiyan, MS
Li, Xuemin, BS
Mi, Jianmin, BS
Wang, Hengshu, BS
Wang, Junling, BS
Yan, Xia, BS
description Summary During the past decades, the subsites of gastric carcinoma underwent significant changes. The incidence of the adenocarcinoma at distal stomach has been decreased, whereas cardiac adenocarcinoma remained increasing in many countries. The aim of this study was to investigate the differences between gastric cardiac and distal adenocarcinomas. We detected expressions of cytokeratins (cytokeratins 7, 14, 19, and 20) and mucins (mucins 1, 2, and 5AC) by immunohistochemistry and signaling molecules (p38, mitogen-activated protein kinase-interacting kinase 1 (MNK1), extracellular signal-regulated kinase, Jun N-terminal kinase, and phosphoinositide 3 kinase) by reverse transcription–polymerase chain reaction in both groups. The incidence of mucin 2 expression was lower in total (50.0%) and advanced-stage cases (52.0%) with cardiac adenocarcinomas than those in distal cases with total (70.2%) and advanced stage (71.4%), respectively. However, the staining for cytokeratin 14 was also significantly higher in total or advanced-stage tumors from the cardia. Our data showed no significant difference of cytokeratin 7/cytokeratin 20 pattern between 2 groups, but cytokeratin 20 expression was significantly higher in advanced-stage carcinomas of the cardia (58.7%) than in distal ones with advanced stage (38.3%). A multivariate analysis demonstrated different relationships between immunophenotypic markers and pathologic parameters in adenocarcinomas of the cardia and distal stomach. Moreover, significantly lower expressions of MNK1 and p38 in cardiac tumors were also detected. In summary, we found significant differences in patterns of immunophenotypic markers and expressions of signaling molecules between the 2 groups. It is indicated that adenocarcinoma of the cardia was different in histotype and histologic origin from distal adenocarcinoma. The cardiac adenocarcinoma might be a special subtype or an independent entity of gastric carcinoma in China.
doi_str_mv 10.1016/j.humpath.2010.06.015
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The incidence of the adenocarcinoma at distal stomach has been decreased, whereas cardiac adenocarcinoma remained increasing in many countries. The aim of this study was to investigate the differences between gastric cardiac and distal adenocarcinomas. We detected expressions of cytokeratins (cytokeratins 7, 14, 19, and 20) and mucins (mucins 1, 2, and 5AC) by immunohistochemistry and signaling molecules (p38, mitogen-activated protein kinase-interacting kinase 1 (MNK1), extracellular signal-regulated kinase, Jun N-terminal kinase, and phosphoinositide 3 kinase) by reverse transcription–polymerase chain reaction in both groups. The incidence of mucin 2 expression was lower in total (50.0%) and advanced-stage cases (52.0%) with cardiac adenocarcinomas than those in distal cases with total (70.2%) and advanced stage (71.4%), respectively. However, the staining for cytokeratin 14 was also significantly higher in total or advanced-stage tumors from the cardia. Our data showed no significant difference of cytokeratin 7/cytokeratin 20 pattern between 2 groups, but cytokeratin 20 expression was significantly higher in advanced-stage carcinomas of the cardia (58.7%) than in distal ones with advanced stage (38.3%). A multivariate analysis demonstrated different relationships between immunophenotypic markers and pathologic parameters in adenocarcinomas of the cardia and distal stomach. Moreover, significantly lower expressions of MNK1 and p38 in cardiac tumors were also detected. In summary, we found significant differences in patterns of immunophenotypic markers and expressions of signaling molecules between the 2 groups. It is indicated that adenocarcinoma of the cardia was different in histotype and histologic origin from distal adenocarcinoma. 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Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques ; Phenotypic markers ; Polymerase chain reaction ; Pyloric Antrum - metabolism ; Pyloric Antrum - pathology ; Reverse Transcriptase Polymerase Chain Reaction ; Signal Transduction - physiology ; Signaling molecules ; Stomach Neoplasms - epidemiology ; Stomach Neoplasms - metabolism ; Stomach Neoplasms - pathology ; Studies</subject><ispartof>Human pathology, 2011-04, Vol.42 (4), p.594-601</ispartof><rights>Elsevier Inc.</rights><rights>2011 Elsevier Inc.</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2011 Elsevier Inc. 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The incidence of the adenocarcinoma at distal stomach has been decreased, whereas cardiac adenocarcinoma remained increasing in many countries. The aim of this study was to investigate the differences between gastric cardiac and distal adenocarcinomas. We detected expressions of cytokeratins (cytokeratins 7, 14, 19, and 20) and mucins (mucins 1, 2, and 5AC) by immunohistochemistry and signaling molecules (p38, mitogen-activated protein kinase-interacting kinase 1 (MNK1), extracellular signal-regulated kinase, Jun N-terminal kinase, and phosphoinositide 3 kinase) by reverse transcription–polymerase chain reaction in both groups. The incidence of mucin 2 expression was lower in total (50.0%) and advanced-stage cases (52.0%) with cardiac adenocarcinomas than those in distal cases with total (70.2%) and advanced stage (71.4%), respectively. However, the staining for cytokeratin 14 was also significantly higher in total or advanced-stage tumors from the cardia. 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The incidence of the adenocarcinoma at distal stomach has been decreased, whereas cardiac adenocarcinoma remained increasing in many countries. The aim of this study was to investigate the differences between gastric cardiac and distal adenocarcinomas. We detected expressions of cytokeratins (cytokeratins 7, 14, 19, and 20) and mucins (mucins 1, 2, and 5AC) by immunohistochemistry and signaling molecules (p38, mitogen-activated protein kinase-interacting kinase 1 (MNK1), extracellular signal-regulated kinase, Jun N-terminal kinase, and phosphoinositide 3 kinase) by reverse transcription–polymerase chain reaction in both groups. The incidence of mucin 2 expression was lower in total (50.0%) and advanced-stage cases (52.0%) with cardiac adenocarcinomas than those in distal cases with total (70.2%) and advanced stage (71.4%), respectively. However, the staining for cytokeratin 14 was also significantly higher in total or advanced-stage tumors from the cardia. Our data showed no significant difference of cytokeratin 7/cytokeratin 20 pattern between 2 groups, but cytokeratin 20 expression was significantly higher in advanced-stage carcinomas of the cardia (58.7%) than in distal ones with advanced stage (38.3%). A multivariate analysis demonstrated different relationships between immunophenotypic markers and pathologic parameters in adenocarcinomas of the cardia and distal stomach. Moreover, significantly lower expressions of MNK1 and p38 in cardiac tumors were also detected. In summary, we found significant differences in patterns of immunophenotypic markers and expressions of signaling molecules between the 2 groups. It is indicated that adenocarcinoma of the cardia was different in histotype and histologic origin from distal adenocarcinoma. The cardiac adenocarcinoma might be a special subtype or an independent entity of gastric carcinoma in China.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>21146193</pmid><doi>10.1016/j.humpath.2010.06.015</doi><tpages>8</tpages></addata></record>
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subjects Adenocarcinoma - epidemiology
Adenocarcinoma - metabolism
Adenocarcinoma - pathology
Adenocarcinoma of distal stomach
Adenocarcinoma of gastric cardia
Biological and medical sciences
Biomarkers, Tumor - analysis
Biomarkers, Tumor - metabolism
Cancer
Cardia - metabolism
Cardia - pathology
Humans
Immunohistochemistry
Investigative techniques, diagnostic techniques (general aspects)
Keratin-20 - biosynthesis
Keratin-7 - biosynthesis
Kinases
Medical sciences
Molecular weight
Mucins - biosynthesis
Neoplasm Staging
Pathology
Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques
Phenotypic markers
Polymerase chain reaction
Pyloric Antrum - metabolism
Pyloric Antrum - pathology
Reverse Transcriptase Polymerase Chain Reaction
Signal Transduction - physiology
Signaling molecules
Stomach Neoplasms - epidemiology
Stomach Neoplasms - metabolism
Stomach Neoplasms - pathology
Studies
title Differences of immunophenotypic markers and signaling molecules between adenocarcinomas of gastric cardia and distal stomach
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