Abstract
Epidermal growth factor (EGF) is a peptide which stimulates cell mitotic activity and differentiation, has a cytoprotective effect on the gastroduodenal mucosa, and inhibits gastric acid secretion. The immunohistochemical localization of EGF in the Brunner's glands and the submandibular glands is well documented. The localization of EGF in other tissues is still unclarified. In the present study, the immunohistochemical localization of EGF in tissues from rat, man and a 20 week human fetus were investigated. In man and rat, immunoreaction was found in the submandibular glands, the serous glands of the nasal cavity, Brunner's glands of the duodenum, the Paneth cells of the small intestine, and the tubular cells of the kidney. In the fetus EGF was found in the kidney and in the intestinal Paneth cells. Antisera raised against rat submandibular EGF did not recognize EGF in human tissues, whereas antisera against human urinary EGF worked in rat as well as man. EGF was found only in cells with an exocrine function.
MeSH Terms
Animals
Brunner Glands/analysis
Epidermal Growth Factor/analysis
Female
Fetus
Humans
Immunoenzyme Techniques
Intestine, Small/analysis
Kidney/analysis
Male
Nasal Mucosa/analysis
Rats
Rats, Inbred Strains
Submandibular Gland/analysis
Tissue Distribution
Chemicals
Epidermal Growth Factor
Authors & Affiliations
5 authors, click to expand affiliations / ORCID
Poulsen S S
Nexø E
Olsen P S
Hess J
Kirkegaard P
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