AMANDA MORRIS UMBERTO NAPOLETANO JESSE ROBINSON DR. AUDREY SHOR DR. NIKETA PATEL Alternative Splicing of the PKCδ Gene.

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Presentation transcript:

AMANDA MORRIS UMBERTO NAPOLETANO JESSE ROBINSON DR. AUDREY SHOR DR. NIKETA PATEL Alternative Splicing of the PKCδ Gene

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

History of PKC First discovered in 1977 Activated by DAG and Calcium  Some exceptions 3 classes  Classical  Novel  Atypical

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

PKCδ

Opposing Functions Alternative splicing Addition of 31 nucleotides between exons 10 and 11 Interruption of hinge region  Cleavage necessary for activation

Retinoic Acid and SC35 RA promotes alternative splicing  SC35  Includes 93 nucleotides from intron  PKCδVIII is created

Model

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

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