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Oncology

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Question
Answer
Typically induces cell transformation   Proto-oncoogene  
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The development of cancer cells.Cancer cells commonly inactivate inhibitor growth signals, evade apoptosis, have a limitless replicative potential, invade tissue, a sustained mutagenesis and undergo angiogenesis   Oncogenesis  
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Growth factors/receptors, Signal Transduction pathways, Transcription factors, Cell cyle control proteins, DNA repair enzymes, Apoptosis Proteins   Examples of oncogenes  
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Point mutation, Chromosomal translocation, Multiple copies of DNA, Frame shift mutation   Mechanisms in which proto-ocogenes become oncogenes  
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Regulates the G1 phase of the cell cycle   Cyclin D  
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Cyclin D binds to   CDK 4/6  
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Inhibitors of the cell cycle. Help to control the progession through the cell cycle   Cylin Dependent Inhibitors (CDI)  
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The formation of cyclin D/CDK 4/6 complex is inhibited by   p15, p16, p18, p19  
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Most cyclin/cdk complexes are inhibited by   p21  
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p21 is activated by   p53  
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This monitors DNA damage and activates p21 to inhibit cell division   p53  
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A monomeric G protein and a proto-oncogene   Ras  
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An example of a tumor suppressor   Retinoblastoma (Rb)  
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DNA repair is initiated by   p53  
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Tumor suppressor genes become oncogenic by   Deletions, Point mutations, DNA methylation  
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A loss-of-function mutation is an example of   tumor suppressors  
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A gain-of-function mutation is an example of   proto-oncogenes  
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Ras directly activates   Raf  
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MEK directly activates   MAPK  
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MAPK activates   Fos (a transcription factor)  
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Ras induces cell proliferation   True  
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Hedgehog is a proto-oncogene   True  
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The EGF receptor is an example of a proto-oncogene   True  
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The mitochondrial pathway and the membrane receptor pathway are two type of mechanisms that induce   Apoptosis  
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Activation of caspase-8 induces apoptosis   True  
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Activation of the ... receptor activate apoptosis through the activation of caspase-8   Death  
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The activation of the ... pathway is elicited through the activation of Apaf-1, Cyt c, ATP, and pro-caspase-9   Mitochondrial  
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Bcl-2 is an   Anti-apoptotic protein  
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Bax is a   Pro-apoptotic protein  
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The idea that more than one mutation is required for a normal cell to become a tumor   Multiple Hit Hypothesis  
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Benzopyrene (cigarettes), Aflatoxin B, Reactive oxygen species, DNA crosslinking agents, and Alkylating agents are chemicals that can cause   DNA damage  
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The inability to repair thymine dimers which are caused by UV irradiation   Xeroderma pigmentosum  
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Multiple TTAGGG repeats found at the ends of chromosomes   Telomeres  
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The enzyme responsible for creating telomeres and is often inactivated in adult cells but activated during oncogenesis   Telomerase  
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Defined as a limited capacity to divide before cells enter a non-proliferate state   Senescence  
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Caused by a translocation of the myc gene from chromosome 8 to 14   Burkitt Lymphoma  
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Caused by a translocation between chromosomes 9 and 22   Chronic Myelogenous Leukemia  
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Created by: mhaynes
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