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A transmissible cancer is a cancer cell or cluster of cancer cells that can be transferred between individuals without the involvement of an infectious agent, such as an oncovirus. [ 1 ] [ 2 ] The evolution of transmissible cancer has occurred naturally in other animal species, but human cancer transmission is rare. [ 2 ]
Sarcoptes is a genus of skin parasites, and part of the larger family of mites collectively known as "scab mites". They are also related to the scab mite Psoroptes, also a mite that infests the skin of domestic animals. Sarcoptic mange affects domestic animals and similar infestations in domestic fowls cause the disease known as "scaly leg".
The hypothesis that SV40 might cause cancer in humans was a particularly controversial area of research, fuelled by the historical contamination of some batches of polio vaccine with SV40 in the 1950s and 1960s. [4] "Persuasive evidence now indicates that SV40 is causing infections in humans today and represents an emerging pathogen."
Carcinogenic parasites are parasitic organisms that depend on other organisms (called hosts) for their survival, and cause cancer in such hosts.Three species of flukes are medically-proven carcinogenic parasites, namely the urinary blood fluke (Schistosoma haematobium), the Southeast Asian liver fluke (Opisthorchis viverrini) and the Chinese liver fluke (Clonorchis sinensis).
A canine transmissible venereal tumor (CTVT), also known as a transmissible venereal tumor (TVT), canine transmissible venereal sarcoma (CTVS), sticker tumor and infectious sarcoma, is a histiocytic tumor of the external genitalia of the dog and other canines, and is transmitted from animal to animal during mating. It is one of only three known ...
Devil facial tumour disease causes tumours to form in and around the mouth. Devil facial tumour disease ( DFTD ) is an aggressive non-viral clonally transmissible cancer which affects Tasmanian devils , a marsupial native to the Australian island of Tasmania .
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Most human cases have been reported in Thailand, although cases have been reported elsewhere. In humans, the four forms of the disease are: subcutaneous, disseminated, ocular, and vascular. [15] The ocular form of the disease is the only one known to infect otherwise healthy humans, and has been associated with contact lens use while swimming ...