NDLI: Cigarette smoking, body mass index, gastro-esophageal reflux disease, and non-steroidal anti-inflammatory drug use and risk of subtypes of esophageal and gastric cancers by P53 overexpression

Content Provider	Springer Nature Link
Author	Figueroa, Jonine D. Terry, Mary Beth Gammon, Marilie D. Vaughan, Thomas L. Risch, Harvey A. Zhang, Fang Fang Kleiner, David E. Bennett, William P. Howe, Christine L. Dubrow, Robert Mayne, Susan T. Fraumeni, Joseph F. Chow, Wong Ho
Copyright Year	2008
Abstract	A number of risk factors for esophageal and gastric cancers have emerged, yet little is known whether risk factors map to molecular tumor markers such as overexpression of the tumor suppressor TP53. Using a US multicenter, population-based case–control study (170 cases of esophageal adenocarcinomas, 147 gastric cardia adenocarcinomas, 220 non-cardia gastric adenocarcinomas, and 112 esophageal squamous cell carcinomas), we examined whether the risk associated with cigarette smoking, body mass index (BMI), gastroesophageal reflux disease (GERD), and non-steroidal anti-inflammatory drug (NSAID) use varied by P53 overexpression. We defined P53 overexpression through immunohistochemistry of paraffin-embedded tumor tissues, using cutpoints based on percent of cells positive. Polytomous logistic regression was used to assess differences between each case group (defined by tumor subtype and P53 expression) and the control group by risk factors. The proportion of cases overexpressing P53 by tumor subtype was 72% for esophageal adenocarcinoma, 69% for gastric cardia adenocarcinoma, 52% for non-cardia gastric adenocarcinoma, and 67% for esophageal squamous cell carcinoma. For most tumor subtypes, we found little difference in risk factors by tumor P53 overexpression. For non-cardia gastric cancer however, an association with cigarette smoking was suggested for tumors that do not overexpress P53, whereas larger BMI was related to adenocarcinomas that overexpress P53 versus no overexpression. Overall, this study did not find a clear relationship between P53 protein overexpression and the known risk factors for subtypes of esophageal and gastric cancers. Further research on these tumors is needed to identify molecular markers associated with variations in the risk factor profiles.
Starting Page	361
Ending Page	368
Page Count	8
File Format	PDF
ISSN	09575243
Journal	Cancer Causes & Control
Volume Number	20
Issue Number	3
e-ISSN	15737225
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-11-07
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	P53 Esophageal cancer Body mass index Tobacco NSAIDs GERD Hematology Epidemiology Public Health/Gesundheitswesen Oncology Biomedicine general Cancer Research
Content Type	Text
Resource Type	Article
Subject	Cancer Research Oncology

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