Receptors for epidermal growth factor and steroid hormones in primary colorectal tumors | Zendy

Scambia Giovanni | Zendy; Panici Pierluigi Benedetti | Zendy; Bellantone Rocco | Zendy; Doglietto Giovanni Battista | Zendy; Sofo Luigi | Zendy; Ferrandina Gabriella | Zendy; Ratto Carlo | Zendy; Bossola Maurizio | Zendy; Crucitti Francesco | Zendy; Spagnolo Lucia Cristina | Zendy; Mancuso Salvatore | Zendy

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Receptors for epidermal growth factor and steroid hormones in primary colorectal tumors

Author(s) -

Scambia Giovanni,

Panici Pierluigi Benedetti,

Bellantone Rocco,

Doglietto Giovanni Battista,

Sofo Luigi,

Ferrandina Gabriella,

Ratto Carlo,

Bossola Maurizio,

Crucitti Francesco,

Spagnolo Lucia Cristina,

Mancuso Salvatore

Publication year - 1991

Publication title -

journal of surgical oncology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.201

H-Index - 111

eISSN - 1096-9098

pISSN - 0022-4790

DOI - 10.1002/jso.2930480309

Subject(s) - colorectal cancer , grading (engineering) , epidermal growth factor , epidermal growth factor receptor , medicine , estrogen , receptor , hormone , pathological , estrogen receptor , steroid hormone , pathology , primary tumor , steroid , endocrinology , cancer research , biology , cancer , metastasis , breast cancer , ecology

The presence of epidermal growth factor, estrogen, and progesterone receptors (EGFR, ER, and PR) was investigated by a competitive binding assay in 43 colorectal adenocarcinomas and 32 normal colorectal mucosa specimens. EGFR were expressed in most of the tumor specimens analyzed at levels comparable with normal mucosa. There was no correlation between EGFR and tumor localization, tumor size, tumor stage, and grading. Among tumor specimens, 13.9% and 6.9% expressed very low but detectable ER and PR levels, respectively. No statistically significant difference was found between steroid hormone receptor levels in the tumor and normal mucosa specimens, and neither was there any correlation of ER and PR with the pathological findings. Our results suggest that the EGFR system may play a role in regulating the growth of colorectal tissues. Further studies should demonstrate whether, despite the lack of correlation with histopathological parameters, EGFR expression may have a biological significance in human colorectal cancer.

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