Unaltered anionic sites of glomerular basement membrane in aminonucleoside nephrosis
Journal Article
·
· Kidney Int.; (United States)
Quantitative electron microscopic autoradiography was employed to determine the changes in the binding of /sup 125/I-cationic ferritin (CFI, pI approximately 7.2 to 7.4) to the anionic sites of the glomerular basement membrane (GBM) of rats following the induction of nephrosis. Animals were rendered nephrotic by a single intravenous injection of puromycin aminonucleoside (PAN) and sacrificed 0, 7, 14, and 21 days after its administration. CFI (10 mg/mCi/100 g body weight) was given intravenously. The kidneys were subsequently fixed by perfusion and processed for electron microscopic autoradiography. The mean grain densities over the GBMs on 0, 7, 14, and 21 days of PAN nephrosis were 1.50 +/- 0.04, 1.49 +/- 0.05, 1.50 +/- 0.05, and 1.51 +/- 0.04, respectively. These results indicate that there are no significant alterations in the anionic sites rich in heparan sulfate proteoglycan during the entire course of PAN nephrosis.
- Research Organization:
- Northwestern Univ. Medical School, Chicago, IL
- OSTI ID:
- 6136142
- Journal Information:
- Kidney Int.; (United States), Journal Name: Kidney Int.; (United States) Vol. 25:4; ISSN KDYIA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550901* -- Pathology-- Tracer Techniques
59 BASIC BIOLOGICAL SCIENCES
ANIMALS
ANTI-INFECTIVE AGENTS
ANTIBIOTICS
ANTINEOPLASTIC DRUGS
AUTORADIOGRAPHY
BETA DECAY RADIOISOTOPES
BODY
CELL CONSTITUENTS
CELL MEMBRANES
CHEMICAL BONDS
DAYS LIVING RADIOISOTOPES
DISEASES
DRUGS
ELECTRON CAPTURE RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
IODINE 125
IODINE ISOTOPES
ISOTOPE APPLICATIONS
ISOTOPES
KIDNEYS
LABELLED COMPOUNDS
MAMMALS
MEMBRANES
NEPHRITIS
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PATHOGENESIS
PUROMYCIN
RADIOISOTOPES
RATS
RODENTS
TRACER TECHNIQUES
UROGENITAL SYSTEM DISEASES
VERTEBRATES
59 BASIC BIOLOGICAL SCIENCES
ANIMALS
ANTI-INFECTIVE AGENTS
ANTIBIOTICS
ANTINEOPLASTIC DRUGS
AUTORADIOGRAPHY
BETA DECAY RADIOISOTOPES
BODY
CELL CONSTITUENTS
CELL MEMBRANES
CHEMICAL BONDS
DAYS LIVING RADIOISOTOPES
DISEASES
DRUGS
ELECTRON CAPTURE RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
IODINE 125
IODINE ISOTOPES
ISOTOPE APPLICATIONS
ISOTOPES
KIDNEYS
LABELLED COMPOUNDS
MAMMALS
MEMBRANES
NEPHRITIS
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PATHOGENESIS
PUROMYCIN
RADIOISOTOPES
RATS
RODENTS
TRACER TECHNIQUES
UROGENITAL SYSTEM DISEASES
VERTEBRATES