Sarcoma

Definitely. :) One example of this is the rous sarcoma virus (RSV), which picked up a copy of the src gene. The discovery of this was a major milestone in our understanding of cancer, because the virus uses the (now mutated) gene to cause tumours. ...

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... originating in the epithelium, or can it also come from endothelium, or basically any tissue that derives from the embryonic ectoderm? Same with sarcoma: any type of tumour that has the origin in the mesoderm? (e.g. A tumor of the blood cell lineage, bone marrow, are also considered sarcoma? ...

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Some oncogen RNA Viruses both as multiplyies and as causes proliferation in cells.For example ; Rous Sarcoma Virus creates "focuses" which is composed by prolifered cells. Every focus states an infected virus.With this process , orijinal virus suspension's infected ...

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... mutations. With conditions such as AIDS there are no CD4+ T cells to help the immune system, and malignancies occur more easily. Kaposi's sarcoma is a typical example of a malignancy where a virus has turned the cell into a cancer cell, and the immune system cannot eradicate it anymore. ...

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... how history of this medical hypothesis was fraught with controversy: the accidental ingestion of the inhalant amyl nitrate could cause kaposi's sarcoma and pneumonia, but this was not explored as a disease source in the initial patients - instead, a theory was developed of the first retrovirus ...

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