Wednesday, March 4, 2020

SHORT NOTES ON ONCOGENIC VIRUS

Oncogenic viruses
Oncoviruses  are viruses that produce tumors when they infect humans.
The more common oncogenic viruses are following
Human  papillomavirus  (HPV). Human papillomavirus causes common warts but also is believed to cause cervical cancer.
Epstein-Barr virus (EBV). Epstein-Barr virus causes Burkitt’s lymphoma, which is a tumor of the jaw. It is seen mainly in African children and causes a tumor in the nasopharyngeal (nasopharyngeal carcinoma).
Herpes simplex virus 2 (HSV-2). Herpes  simplex  virus  2  causes genital herpes, cervical cancer (cervical carcinoma), and oral lesions.
Human T-cell leukemia virus 1 (HTLV-1). Human T-cell leukemia virus 1 causes acute T-cell lymphocytic leukemia, which is a cancer that affects Tcell– forming tissues.
Human T-cell leukemia virus 2 (HTLV-2). Human T-cell leukemia virus 2 causes atypical hairy cell leukemia.

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