Viropexis and Phagocytosis of Type B (Mouse Mammary Tumor) Virus Particles in vivo
1973 ◽
Vol 31
◽
pp. 580-581
Electron microscope examination of spleen tumors of RIII/Dm female mice with reticulum cell sarcoma revealed the presence of extracellular and budding type C, type B, and intracytoplasmic type A virus particles. Penetration of type B particles into cytoplasm of tumor cells has been observed. It consisted of inclusion of the particles into pinocytotic vesicles and of the release of the nucleoids into the cytoplasmic matrix. They were frequently seen penetrating into tumor cells producing type C or intracytoplasmic type A particles at the same time (Figs. 1 and 2). A similar penetration of other viruses into cells in vitro has been described as viropexis.
1971 ◽
Vol 29
◽
pp. 378-379
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