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Comparison of intracytoplasmic A particles and intracisternal A particles

✍ Scribed by Nelson A. Wivel; Gilbert H. Smith; Harvey L. Ozer

Book ID
102868526
Publisher
John Wiley and Sons
Year
1975
Tongue
French
Weight
908 KB
Volume
16
Category
Article
ISSN
0020-7136

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✦ Synopsis

Abstract

Intracytoplasmic A particles and intracisternal A particles are associated with mouse tumors of various types, and both can coexist in the cytoplasm of the same cell. The designation of both as A particles is based on the recognition that they share morphological similarities. A comparison of purified isolates of these two particles reveals that the structural protein profiles are different, but that there is some antigenic crossreaction as demonstrated by immunodiffusion and complement fixation. This result does not appear to involve the major structural protein of intracisternal A particles, but may reflect the presence of common antigenic determinants located on minor proteins.

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