Faculty Research 1980 - 1989

Title

Immunohistochemical localization of the epidermal growth factor receptor in normal human tissues.

Document Type

Article

Publication Date

1986

Keywords

Cell-Division, Epithelium: cy, me, Female, Fetus: me, Fluorescent-Antibody-Technique, Histocytochemistry, Human, Male, Receptors-Epidermal-Growth-Factor-Urogastrone: an, SUPPORT-U-S-GOVT-P-H-S

JAX Source

Lab Invest 1986 Nov;55(5):588-92

Grant

CA18470, CA10815, CA23097

Abstract

A monoclonal antibody recognizing an epitope of the external domain of the human epidermal growth factor (EGF) receptor was used to localize this protein in selected normal human tissues. Two patterns of reactivity were recognized: strong linear or granular cell surface staining, and granular cytoplasmic staining. In one tissue, the endometrium, a change in the reaction pattern associated with changes in hormonal stimulation was observed. In some tissues such as epididymis and skin, the antibody showed surface reactivity with cells considered to represent part of the proliferating cell compartment, whereas in liver, pancreas, and prostate, all cells were reactive with the antibody, though the predominant reactivity was localized in the cytoplasm. The differential distribution of the epidermal growth factor receptor to specific cell types and cellular compartments may signify adaptations that permit growth factor responsiveness in a milieu of available ligand.

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