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Alternative Splicing of the PKC δ Gene

Alternative Splicing of the PKC δ Gene. Amanda Morris Umberto napoletano Jesse robinson Dr. Audrey shor Dr. niketa patel. Objective of Project.

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Alternative Splicing of the PKC δ Gene

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  1. Alternative Splicing of the PKCδ Gene Amanda Morris Umberto napoletano Jesse robinson Dr. Audrey shor Dr. niketapatel

  2. Objective of Project To increase understanding of the structure and functions of PKCδ through the use of structural alignment, protein modeling and gene mapping.

  3. History of PKC http://www.studyblue.com/notes/note/n/pharmacology-test-2/deck/45321 • First discovered in 1977 • Activated by DAG and Calcium • Some exceptions • 3 classes • Classical • Novel • Atypical

  4. PKCδ • Novel PKC • Calcium independent • 11 isoforms • PKCδI and VIII are human variants • Opposing functions • PKCδI: Apoptosis • PKCδVIII: Pro-survival

  5. PKCδ http://atlasgeneticsoncology.org/Genes/PRKCDID42901ch3p21.html

  6. Opposing Functions • Alternative splicing • Addition of 31 nucleotides between exons 10 and 11 • Interruption of hinge region • Cleavage necessary for activation http://www.jbc.org/content/285/34/25987

  7. Retinoic Acid and SC35 • RA promotes alternative splicing • SC35 • Includes 93 nucleotides from intron • PKCδVIII is created http://www.jbc.org/content/285/34/25987

  8. Model

  9. Objective of Instructional Materials To improve the understanding of how alternative splicing and post-translational modifications can alter the function of PKCδ isoforms.

  10. Gene Map • Obtained mRNA sequence from NCBI • Additional nucleotides from NCBI • Protein sequence “hidden” across 3 reading frames • Each frame was aligned (RNA,1,2,3) • Instructional guidelines • Protein Sequence • mRNA sequence • Differing functions

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