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Differential expression of chaperonin containing T-complex polypeptide (CCT) subunits during fetal and adult skin wound healing

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Cell Stress and Chaperones Aims and scope

Abstract

Integumentary wound healing in early fetal life is regenerative and proceeds without scar formation. Expressomic analysis of this phenomenon by differential display has previously determined that the eta subunit of the cytosolic chaperonin containing T-complex polypeptide (CCT) is downregulated in the healing fetal wound milieu. We now report that no other CCT subunit shares this distinct pattern of gene regulation as determined by limiting dilution reverse transcriptase polymerase chain reaction (RT-PCR); all seven of the remaining CCT subunits demonstrate no change in messenger RNA (mRNA) expression in healing fetal wounds compared to unwounded control tissue. The alpha subunit, however, did evidence reduced message levels in healing adult wound tissue. We herein report on the cloning and sequence of the complementary DNA (cDNA) for rabbit CCT-alpha and confirm its wound specific decrease in adult tissues through quantitative real-time RT-PCR assay. We also confirm that quantitative evaluation of CCT-alpha and CCT-zeta mRNA expression shows no change in healing fetal wounds.

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Acknowledgment

This study was supported by the Allegheny Singer Research Institute, Allegheny General Hospital, and Pittsburgh Tissue Engineering Institute (PTEI). This work was funded from the grants awarded to S.K. (K08 DE014780), J.C.P. (DC 05659), and G.D.E. (DC 04173). We extend our thanks to Ms. Mary O’Toole for her assistance in preparing this manuscript.

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Authors and Affiliations

  1. Center for Genomic Sciences, Allegheny-Singer Research Institute, Allegheny General Hospital, Pittsburgh, PA, 15212, USA

    Latha Satish, Adam Abdulally, Duane Oswald, Sandra Johnson, Fen Ze Hu, J. Christopher Post, Garth D. Ehrlich & Sandeep Kathju

  2. Wound Healing Program, Center for Genomic Sciences, Allegheny–Singer Research Institute, 320 East North Avenue, Pittsburgh, PA, 15212–4772, USA

    Sandeep Kathju

Authors
  1. Latha Satish
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  2. Adam Abdulally
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  3. Duane Oswald
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  4. Sandra Johnson
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  5. Fen Ze Hu
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  6. J. Christopher Post
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  7. Garth D. Ehrlich
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  8. Sandeep Kathju
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Correspondence to Sandeep Kathju.

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Satish, L., Abdulally, A., Oswald, D. et al. Differential expression of chaperonin containing T-complex polypeptide (CCT) subunits during fetal and adult skin wound healing. Cell Stress and Chaperones 13, 527–533 (2008). https://doi.org/10.1007/s12192-008-0040-6

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  • DOI: https://doi.org/10.1007/s12192-008-0040-6

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