Expression Rates of Sex Hormone Receptors with Their Clinical Correlates in Gastric Cancer Patients and Normal Controls.

IF 4 3区 医学 Q1 ANDROLOGY
Yonghoon Choi, Nayoung Kim, Ji Hyun Park, Chin-Hee Song, Hyeon Jeong Oh
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引用次数: 0

Abstract

Purpose: Sex hormones affect development and prognosis of gastric cancer (GC). This study aimed to compare the sex hormone receptor expression between control and GC, and to evaluate its correlation with patient characteristics.

Materials and methods: 110 patients (74 with GC, 36 controls) underwent immunohistochemistry (IHC) and reverse transcription-polymerase chain reaction (RT-PCR) for estrogen receptors (ERs) α and β and androgen receptor (AR). The effect of ERs and AR on the clinicopathological and tumor characteristics were analyzed.

Results: The positive rate of ERα, ERβ, and AR in GC tissue was 64.9%, 78.4%, and 60.8% by IHC and 41.4%, 27.6%, and 48.3% in RT-PCR respectively. In control, the positive rate of those was 16.7%, 80.6%, and 38.9% by IHC and 22.2%, 58.3%, and 19.4% in RT-PCR respectively. The IHC and RT-PCR results showed concordance with each other, and ERα and AR expressions were positively correlated with cancer, while ERβ showed the opposite pattern. ERα expression was correlated with Helicobacter pylori negativity (p<0.001), diffuse or mixed-type histology (p=0.014), and undifferentiated histology (p<0.001), and AR expression was related to H. pylori negativity (p<0.001), cardiac cancer (p=0.040), and undifferentiated histology (p<0.001). The higher expression rate of ERα in males and that of AR in females seemed to be related with cancer, showing sex differences.

Conclusions: The expression rates of ERα, ERβ, and AR were different depending on sex, histologic type and H. pylori infection status, which may explain sex-based differences in GC.

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来源期刊
World Journal of Mens Health
World Journal of Mens Health Medicine-Psychiatry and Mental Health
CiteScore
7.60
自引率
2.10%
发文量
92
审稿时长
6 weeks
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