'Tumor viruses' diaporamas de présentation

Genetics of Viruses and Bacteria

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Lecture 3 virology

Lecture 3 virology. Carcinogenesis. Carcinogenesis.

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Chapter 16- Cancer

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Human oncogenic viruses

Human oncogenic viruses. Nearly 20% of all cancers worldwide are attributed to viruses. Oncogenic viruses are viruses that produce tumors in their hosts (natural or experimental) and induce malignant transformation of cell cultures . Tumor viruses: the DNA tumor viruses and

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Chapter 20 - Genetics of cancer : Cell cycle and cancer Two-hit mutation model

Chapter 20 - Genetics of cancer : Cell cycle and cancer Two-hit mutation model Oncogenes and RNA/DNA tumor viruses Tumor suppressor genes Mutator genes Carcinogens: chemicals and radiation. Some basic terminology :

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The Discovery of Oncogenes

The Discovery of Oncogenes. ??????????. The discovery of Reverse transcriptase Experiment about the discover of src Src gene &something about human oncogene. The discovery of reverse transcript. History. In 1911 Peyton Rous a paper less than one page in length chicken sarcoma

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The Discovery of Oncogenes

The Discovery of Oncogenes. LinZhu 1040800040. Three stages of the discovery. In 1911, found the virus. (Peyton Rous) In 1970, Over turned Central Dogma. ( David Baltimore & Temin & Satoshi Mizutani ) In 1970s, isolate the gene. (Harold Varmus,J.Michael Bishop,Dominique Stehelin).

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4. ?????????????????????????? (Tumor Viruses). ????????????. ?????? ??????????????? ???????????????????????? ???????????? ??????????????????????????? ???????????. Content. 4.1 Tumor Viruses. 4.2 How Tumor Viruses Cause Cancer. 4.1 Tumor Viruses.

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Tumor viruses

Tumor viruses. Tumor viruses. Viruses can cause bening or malignant tumors in many species of animals A few viruses are associated with human tumors. Malignant transformation of cells. Altered morphology Altered growth control Altered cellular properties Altered biochemical properties

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Tumor viruses

Tumor viruses. Tumor viruses. Viruses can cause beningn or malignant tumors in many species of animals A few viruses are associated with human tumors. Malignant transformation of cells. Altered morphology Altered growth control Altered cellular properties Altered biochemical properties

412 views • 9 slides