Abstract:
BACKGROUND:Worldwide studies on lung adenocarcinoma have demonstrated a genetic divergence of the epidermal growth factor receptor (EGFR) pathway according to ethnicity, such as higher frequency of activated EGFR mutations among East Asian patients. However, such information is still lacking in some developing countries. METHODS:We investigated the frequency of EGFR mutations among Bangladeshi patients with adenocarcinoma of the lung. Fine-needle aspiration tissue samples were collected from 61 Bangladeshi patients. Polymerase chain reaction-single-strand conformation polymorphism was performed on extracted DNA for mutational analysis of EGFR exons 19 and 21. RESULTS:EGFR mutations were found in 14 of 61 (23.0 %) Bangladeshi patients. There was no significant difference in EGFR mutation rate with regard to patient's age, sex, smoking history, clinical stage of lung cancer, subtypes of adenocarcinoma, and tumor differentiation. CONCLUSION:The present study revealed that the EGFR mutation rate in Bangladeshi patients with adenocarcinoma of the lung was higher than in African-American, Arabian, and white Caucasian patients, and was lower than in East Asia.
journal_name
Int J Clin Oncoljournal_title
International journal of clinical oncologyauthors
Rahman S,Kondo N,Yoneda K,Takuwa T,Hashimoto M,Orui H,Okumura Y,Tanaka F,Kumamoto K,Mostafa MG,Chowdhury GM,Haque A,Hasegawa Sdoi
10.1007/s10147-012-0515-4subject
Has Abstractpub_date
2014-02-01 00:00:00pages
45-9issue
1eissn
1341-9625issn
1437-7772journal_volume
19pub_type
杂志文章abstract:BACKGROUND:One reason for the low cancer screening rate in Japan is that people are not concerned about cancer if they do not have symptoms. METHODS:The authors retrospectively analyzed 18,405 cancer patients using hospital-based cancer registry data collected between 2007 and 2013 at the 13 hospitals of Shimane Prefe...
journal_title:International journal of clinical oncology
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