Epidermal growth factor in the rat lung
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Epidermal growth factor in the rat lung. / Raaberg, Lasse; Poulsen, Steen Seier; Nexø, Ebba.
I: Histochemistry, Bind 95, Nr. 5, 1991, s. 471-5.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Epidermal growth factor in the rat lung
AU - Raaberg, Lasse
AU - Poulsen, Steen Seier
AU - Nexø, Ebba
PY - 1991
Y1 - 1991
N2 - Epidermal Growth Factor (EGF) in pharmacological doses is able to induce precoccious lung maturation in rabbits and sheeps. As EGF is probably acting in a para- or autocrine way, we have searched for EGF in the lungs. We report EGF immunoreactivity to be present in the type II pneumocytes of the rat from a couple of days prior to birth and throughout life. Further, we report EGF immunoreactivity to be present in cells in the bronchi and the bronchioles from day 20-21 of gestation and throughout life. G-200 gelchromatography of lung extracts indicates that the EGF-reactive material is a high molecular weight form of EGF. Since previous studies have shown that EGF in pharmacological doses is able to promote lung maturation, our results may imply a physiological role for EGF in the lungs.
AB - Epidermal Growth Factor (EGF) in pharmacological doses is able to induce precoccious lung maturation in rabbits and sheeps. As EGF is probably acting in a para- or autocrine way, we have searched for EGF in the lungs. We report EGF immunoreactivity to be present in the type II pneumocytes of the rat from a couple of days prior to birth and throughout life. Further, we report EGF immunoreactivity to be present in cells in the bronchi and the bronchioles from day 20-21 of gestation and throughout life. G-200 gelchromatography of lung extracts indicates that the EGF-reactive material is a high molecular weight form of EGF. Since previous studies have shown that EGF in pharmacological doses is able to promote lung maturation, our results may imply a physiological role for EGF in the lungs.
KW - Animals
KW - Animals, Newborn
KW - Bronchi
KW - Epidermal Growth Factor
KW - Epithelium
KW - Fetus
KW - Gestational Age
KW - Immunoenzyme Techniques
KW - Lung
KW - Molecular Weight
KW - Pulmonary Alveoli
KW - Rats
KW - Rats, Inbred Strains
M3 - Journal article
C2 - 1869448
VL - 95
SP - 471
EP - 475
JO - Histochemistry
JF - Histochemistry
SN - 0301-5564
IS - 5
ER -
ID: 301144