Chronic treatment with epidermal growth factor stimulates growth of the urinary tract in the rat
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Chronic treatment with epidermal growth factor stimulates growth of the urinary tract in the rat. / Vinter-Jensen, Lars; Smerup, Morten Holdgaard; Jørgensen, P E; Juhl, C O; Orntoft, T; Poulsen, Steen Seier; Nexø, Ebba.
In: Urological Research, Vol. 24, No. 1, 1996, p. 15-21.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Chronic treatment with epidermal growth factor stimulates growth of the urinary tract in the rat
AU - Vinter-Jensen, Lars
AU - Smerup, Morten Holdgaard
AU - Jørgensen, P E
AU - Juhl, C O
AU - Orntoft, T
AU - Poulsen, Steen Seier
AU - Nexø, Ebba
PY - 1996
Y1 - 1996
N2 - Twenty-four male Wistar rats, 8 weeks old, were allocated into three groups and treated with human recombinant epidermal growth factor (EGF) administered subcutaneously in doses of 0, 30, and 150 micrograms/kg per day for 4 weeks. Blood sampling was done every 2nd week and urine sampling was done for 2 consecutive days every week. The most striking finding was that the ureters were dose dependently enlarged, due to growth of all layers of the ureteric wall. The urothelium of the bladder showed considerable hyperplasticity with a widening of the basal proliferative compartment and a normal differentiation pattern as observed by the expression of carbohydrate epitopes, characterized with lectinohistochemistry. Blood examination revealed a decrease in blood haemoglobin concentration and a slight increase in serum creatinine concentration in the high-dose group. There were no effects of EGF on the urinary excretion of electrolytes, proteins, and endogenous EGF.
AB - Twenty-four male Wistar rats, 8 weeks old, were allocated into three groups and treated with human recombinant epidermal growth factor (EGF) administered subcutaneously in doses of 0, 30, and 150 micrograms/kg per day for 4 weeks. Blood sampling was done every 2nd week and urine sampling was done for 2 consecutive days every week. The most striking finding was that the ureters were dose dependently enlarged, due to growth of all layers of the ureteric wall. The urothelium of the bladder showed considerable hyperplasticity with a widening of the basal proliferative compartment and a normal differentiation pattern as observed by the expression of carbohydrate epitopes, characterized with lectinohistochemistry. Blood examination revealed a decrease in blood haemoglobin concentration and a slight increase in serum creatinine concentration in the high-dose group. There were no effects of EGF on the urinary excretion of electrolytes, proteins, and endogenous EGF.
KW - Animals
KW - Creatinine
KW - Dose-Response Relationship, Drug
KW - Epidermal Growth Factor
KW - Hemoglobins
KW - Humans
KW - Lectins
KW - Male
KW - Osmolar Concentration
KW - Rats
KW - Rats, Wistar
KW - Recombinant Proteins
KW - Time Factors
KW - Urinary Tract
M3 - Journal article
C2 - 8966836
VL - 24
SP - 15
EP - 21
JO - Urolithiasis
JF - Urolithiasis
SN - 2194-7228
IS - 1
ER -
ID: 47486931