Toenail zinc level and gastric cancer risk in Cali, Colombia.

Toenail zinc level and gastric cancer risk in Cali, Colombia. Research Abstract Details 

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Toenail zinc level and gastric cancer risk in Cali, Colombia. Abstract Text:

Francia Ivonne Campos,Chihaya Koriyama,Suminori Akiba,Gabriel Carrasquilla,Mauricio Serra,Edwin Carrascal,Megumi Yamamoto,Atsuhiro Nakano,

PURPOSE: To examine the associations between gastric cancer (GC) risk and the zinc levels in toenail clippings, we conducted a hospital-based case-control study during the period from 2000 to 2002 in Cali, Colombia. METHODS: Toenail clippings and information on lifestyles including dietary habits were obtained from 156 GC patients newly diagnosed in three hospitals in Cali and 287 controls selected from non-cancer patients who were hospitalized in the same hospitals as GC patients. Zinc concentrations in toenail clippings were examined using inductively coupled plasma mass spectrometry. RESULTS: An inverse association was observed between toenail zinc level and GC risk (P for trend = 0.039). When we examined this association separately for current and former smokers and non-smokers, only current-smokers showed a significant inverse association (P for trend = 0.035). Histology specific analysis revealed that this inverse association was stronger when we limited GC cases with intestinal-type and their matched controls (P for trend < 0.001). This association was also observed in the carcinomas located in the upper two-thirds of the stomach (P for trend = 0.004) but not in carcinomas in the lower-third of the stomach (P for trend = 0.727). CONCLUSIONS: There was an inverse association between toenail zinc level and GC risk. However, the association was limited to smokers, intestinal-type GC, and tumors in the upper two-thirds of the stomach. Further studies seem warranted to confirm our findings.

Toenail zinc level and gastric cancer risk in Cali, Colombia. Publishing Authors By Initials

FI Campos,C Koriyama,S Akiba,G Carrasquilla,M Serra,E Carrascal,M Yamamoto,A Nakano,

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Toenail zinc level and gastric cancer risk in Cali, Colombia. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of cancer research and clinical oncology

VOLUME: 134

Page Numbers: 169-78

Journal Abbreviation: J. Cancer Res. Clin. Oncol.

ISSN: 0171-5216

DAY: 10

MONTH: 07

YEAR: 2007

Toenail zinc level and gastric cancer risk in Cali, Colombia. Information

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LANGUAGE: eng

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AFFILIATION: Department of Epidemiology and Preventive Medicine, Kagoshima University, Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima , 890-8544, Japan, fiy@m.kufm.kagoshima-u.ac.jp.

Country: Germany

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MEDLINETA: J Cancer Res Clin Oncol

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