PPT-Lecture 3 virology Carcinogenesis

Carcinogenesis Carcinogenesis or Oncogenesis creation of cancer normal cells are transformed into cancer cells characterized by a progression of changes on cellular and genetic level that ultimately reprogram a cell to undergo uncontrolled cell division thus forming a malignant mass. 30pm 730pm 730pm 730pm Hold Your Applause Inventing and Reinventing the C lassical Concert Hold Your Applause Inventing and Reinventing the C lassical Concert Hold Your Applause Inventing and Reinventing the C lassical Concert Hold Your Applause I scielobraabc Chemical carcinogenesis PAULA A OLIVEIRA AURA COLA57543O RAQUEL CHAVES HENRIQUE GUEDESPINTO LUIS F DELACRUZ P and CARLOS LOPES Department of Veterinary Sciences CECAV University of Tr57569sosMontes and Alto Douro 5000801 Vila Real Por Initiation, Promotion and Progression. NST110, Toxicology. Department of Nutritional Sciences and Toxicology. University of California, Berkeley . Characteristics of . Cancer. Promotion. (reversible). welcomes submissions that are original and technically so as to serve both the developing world and developed countries in the best . possible. way.. OMICS Journals are poised in excellence by publishing high quality research. . Virology. Biology 516 Fall. Virology. Virology: is . the study of . viruses. . M. icroscopic. , parasitic particles of genetic material contained in a protein . coat.. Viruses . must. be within a host cell to reproduce.. 9789290223351 World Health House,Mahatma Gandhi Marg, Laboratories play a critical role in the surveillance, diagnosis and monitoring of viral disease. Establishment of a reliable viral laboratory is Fact . vs. Fiction. Disclosures. No financial disclosures for myself or family. No off label uses will be discussed. One exception: I am a radiologist. 25+ years selling . xrays. for a living. Mortgages and college tuition still to pay. Dr. Fahd AL-MULLA. Phase II 2009. Lecture available http://www.al-mulla.org. Target knowledge . What is carcinogenesis. What is carcinogen. Examples of carcinogens. Chemicals. Physical. Zoonoses. . Initiators and promoters . - Classification of viruses . - Replication of viruses . . Virology . Virology: is a branch of science . that deals with viruses and viral . diseases.. Viruses are the smallest infectious. and strains U l102 and Z29 Z29 Subsequent work has shown that isolates can be discriminated into into 11, 14], which extend across the the (iv) Nucleotide sequence analysis also supports the existence Methods used in virology are various, ranging from those of molecular biology to the cell biology techniques. Each technique has its own principles and aims for which it is carried out.. Many of these methods are used, not only in virus research, in the diagnosis of virus disease of humans, animals, and plants.. Dept. of Biology, 2. nd. stage, 2016-2017. 2. nd. semester. References. :. Virology: principles and applications, John Carter and Venetia Saunders, 2013.. Principles of Molecular Virology, Alan, J. . LEC.4. Carcinogenesis:. is a multistep process at both . phenotypic & genetic levels.. Phenotypic level . includes:. I. Excessive growth.. II. Local invasion.. III. Metastasis.. These three criteria are called collectively . General characters of viruses. :. Virus . particles are very small in size; they are between 20-500 nm (nanometer) in . diameter. For this Viruses . cannot be seen by ordinary microscope, but only by Electron microscope (EM)..