Abstract
The response of rat liver lysosomes to starvation and administration of lysosomotropic agentsviz. Triton WR-1339 and [131I]-human serum albumin, was assessed in terms of their distribution pattern after isopycnic sucrose density gradient centrifugation. Starvation induced changes in lysosomes appeared to be similar to that produced by the detergent uptake. Both the treatments caused a distinct decline in the equilibration densities of the organelles. On the other hand, injected labelled protein failed to comigrate with the lysosomal markers in starved as well as Triton treated rats and conspicuously remained in a region of high specific gravity in the gradient. These findings indicate retarded fusion between secondary lysosomes and [131I]-human serum albumin containing phagosomes in the livers of rats subjected to starvation or detergent treatment
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Abbreviations
- [131I]-HSA:
-
[131I]-Human serum albumin
- NAG:
-
N-acetyl -β-glucosaminidase
- AS:
-
arylsulphatase
- EDTA:
-
ethylene diamine tetraacetic acid
- ML:
-
mitochondria lysosome rich
- L1 :
-
low density lysosome
- L2 :
-
high density lysosome
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Harikumar, P., Ninjoor, V. Influence of starvation, Triton WR-1339 and [131I]-human serum albumin on rat liver lysosomes. J. Biosci. 10, 49–55 (1986). https://doi.org/10.1007/BF02702839
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DOI: https://doi.org/10.1007/BF02702839