Cell type specificity of lung cancer associated with arsenic ingestion

How-Ran Guo, Nai San Wang, Howard Hu, Richard R. Monson

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Arsenic is a well-documented human carcinogen. Previous studies on urinary bladder and skin cancers have shown that arsenic can cause specific cell types of malignancy. To evaluate whether this is also true for lung cancers, we conducted a study on 243 townships in Taiwan. We identified patients through the National Cancer Registry Program and compared the proportion of each major cell type between an endemic area of arsenic intoxication with exposures through drinking water, which includes 5 of the townships and the other 238 townships. To control for gender and age, we analyzed data on men and women separately and divided patients into four age groups. A total of 37,290 lung cancer patients, including 26,850 men and 10,440 women, was diagnosed between January 1, 1980 and December 31, 1999 in study townships. Patients from the endemic area had higher proportions of squamous cell and small cell carcinomas, but a lower proportion of adenocarcinomas. These findings were similar across all age groups in both genders, although the lack of data on smoking is a limitation of our study. The results suggested that the carcinogenicity of arsenic on lungs is also cell type-specific: squamous cell and small cell carcinomas appeared to be related to arsenic ingestion, but not adenocarcinoma. Whereas data in the literature are limited, the association between adenocarcinoma and arsenic exposures through inhalation appeared to be stronger than that of squamous cell carcinoma. Therefore, we speculate that arsenic may give rise to different mechanisms in the development of lung cancers through different exposure routes.

Original languageEnglish
Pages (from-to)638-643
Number of pages6
JournalCancer Epidemiology Biomarkers and Prevention
Volume13
Issue number4
Publication statusPublished - 2004 Apr 1

Fingerprint

Arsenic
Lung Neoplasms
Eating
Adenocarcinoma
Small Cell Carcinoma
Age Groups
Epithelial Cells
Inhalation Exposure
Skin Neoplasms
Taiwan
Urinary Bladder Neoplasms
Drinking Water
Carcinogens
Registries
Squamous Cell Carcinoma
Neoplasms
Smoking
Lung

All Science Journal Classification (ASJC) codes

  • Epidemiology
  • Oncology

Cite this

Guo, How-Ran ; Wang, Nai San ; Hu, Howard ; Monson, Richard R. / Cell type specificity of lung cancer associated with arsenic ingestion. In: Cancer Epidemiology Biomarkers and Prevention. 2004 ; Vol. 13, No. 4. pp. 638-643.
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Cell type specificity of lung cancer associated with arsenic ingestion. / Guo, How-Ran; Wang, Nai San; Hu, Howard; Monson, Richard R.

In: Cancer Epidemiology Biomarkers and Prevention, Vol. 13, No. 4, 01.04.2004, p. 638-643.

Research output: Contribution to journalArticle

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