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Brain clathrin: immunofluorescent patterns in cultured cells and tissues.

Authors
  • W S Bloom
  • K L Fields
  • S H Yen
  • K Haver
  • W Schook
  • S Puszkin
Publication Date
Sep 01, 1980
Source
PMC
Keywords
Disciplines
  • Biology
License
Unknown

Abstract

High-purity bovine brain clathrin elicited antibodies, which were separated by affinity chromatography on clathrin conjugated with CNBr-activated Sepharose 4B. Indirect immunofluorescent labeling on cultured rat fibroblasts showed the characteristic dotted fluorescence throughout the entire cytoplasm and concentrated patches of fluorescence in areas where the Golgi apparatus and GERL (Golgi apparatus-endoplasmic reticulum-lysosome complex) exist next to the nucleus. Cerebellar tissue sections exhibited profuse immunofluorescence in the granular layer; dissociated cultures of neonatal rat cerebellar cells showed intense fluorescence in the cytoplasm and processes of granule cell neurons. The data suggest that clathrin is an abundant protein distinctly localized in the cytoplasm of cells and clearly correlated in its distribution and arrangement with actin stress fibers.

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