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Importance of early initiation of dietary protein restriction for the prevention of experimental progressive renal disease. 1988

K Motomura, and S Okuda, and T Sanai, and T Ando, and K Onoyama, and M Fujishima
Second Department of Internal Medicine, Faculty of Medicine, Kyushu University, Fukuoka, Japan.

The effect of dietary protein restriction on the progress of renal dysfunction was investigated in rats with adriamycin (ADR)-induced progressive glomerular disease. Dietary protein was reduced from 20% (normal diet) to 5% (low protein) immediately after (ADR-0w), 8 weeks (ADR-8w) or 16 weeks (ADR-16w) after the repeated injection of ADR. In the unrestricted (ADR-UR) group rats were fed 20% of protein throughout the 24-week experiment. Massive urinary protein developed immediately after ADR injection and significantly decreased by reducing dietary protein in all the groups (ADR-0w, ADR-8w, ADR-16w). However, plasma protein and serum albumin were low irrespective of the improvement of urinary protein. BUN and serum creatinine were unchanged in ADR-0w and ADR-8w groups, while they were increased in ADR-16w and ADR-UR groups. Glomerular sclerosis and tubular atrophy were much less severe in ADR-0w and ADR-8w than in ADR-16w and ADR-UR groups. The results indicate that dietary protein restriction checks the further progress of renal dysfunction. The importance of the time when protein intake should be reduced is discussed.

UI MeSH Term Description Entries
D008297 Male Males
D011507 Proteinuria The presence of proteins in the urine, an indicator of KIDNEY DISEASES. Proteinurias
D011917 Rats, Inbred Lew An inbred strain of rat that is used in BIOMEDICAL RESEARCH. Rats, Inbred Lewis,Rats, Lew,Inbred Lew Rat,Inbred Lew Rats,Inbred Lewis Rats,Lew Rat,Lew Rat, Inbred,Lew Rats,Lew Rats, Inbred,Lewis Rats, Inbred,Rat, Inbred Lew,Rat, Lew
D001806 Blood Urea Nitrogen The urea concentration of the blood stated in terms of nitrogen content. Serum (plasma) urea nitrogen is approximately 12% higher than blood urea nitrogen concentration because of the greater protein content of red blood cells. Increases in blood or serum urea nitrogen are referred to as azotemia and may have prerenal, renal, or postrenal causes. (From Saunders Dictionary & Encyclopedia of Laboratory Medicine and Technology, 1984) BUN,Nitrogen, Blood Urea,Urea Nitrogen, Blood
D002784 Cholesterol The principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils. Epicholesterol
D003404 Creatinine Creatinine Sulfate Salt,Krebiozen,Salt, Creatinine Sulfate,Sulfate Salt, Creatinine
D004044 Dietary Proteins Proteins obtained from foods. They are the main source of the ESSENTIAL AMINO ACIDS. Proteins, Dietary,Dietary Protein,Protein, Dietary
D004317 Doxorubicin Antineoplastic antibiotic obtained from Streptomyces peucetius. It is a hydroxy derivative of DAUNORUBICIN. Adriamycin,Adriablastin,Adriablastine,Adriblastin,Adriblastina,Adriblastine,Adrimedac,DOXO-cell,Doxolem,Doxorubicin Hexal,Doxorubicin Hydrochloride,Doxorubicin NC,Doxorubicina Ferrer Farm,Doxorubicina Funk,Doxorubicina Tedec,Doxorubicine Baxter,Doxotec,Farmiblastina,Myocet,Onkodox,Ribodoxo,Rubex,Urokit Doxo-cell,DOXO cell,Hydrochloride, Doxorubicin,Urokit Doxo cell
D005921 Glomerulonephritis Inflammation of the renal glomeruli (KIDNEY GLOMERULUS) that can be classified by the type of glomerular injuries including antibody deposition, complement activation, cellular proliferation, and glomerulosclerosis. These structural and functional abnormalities usually lead to HEMATURIA; PROTEINURIA; HYPERTENSION; and RENAL INSUFFICIENCY. Bright Disease,Kidney Scarring,Glomerulonephritides,Scarring, Kidney
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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