Identification of the interaction between the human recombinant histamine releasing factor/translationally controlled tumor protein and elongation factor-1 delta (also known as eElongation factor-1B beta)

Jacqueline M. Langdon, Becky Marie Vonakis, Susan M MacDonald

Research output: Contribution to journalArticle

Abstract

The human recombinant histamine releasing factor (HrHRF), also known as translationally controlled tumor protein (TCTP), p23 and fortilin, has been described to have both extra- and intracellular functions. To elucidate an extra- or intracellular role for HrHRF, we used the yeast two-hybrid system with HrHRF as the bait and a Jurkat T cell library. We isolated a partial cDNA clone of the human elongation factor-1 delta (EF-1δ) encoding for amino acids 12 to 281. This interaction was confirmed by co-immunoprecipitation experiments. Previously, both HrHRF and EF-1δ have been isolated and identified in association with malignancy in numerous studies. EF-1δ is part of the EF-1 complex responsible for kinetic proofreading in protein synthesis. Additionally, DNA microarray data classifies TCTP (HrHRF) as co-regulated with ribosomal proteins and recent structural analysis of TCTP (HrHRF) relates it to a guanine nucleotide-free chaperone. Our findings of an interaction between HrHRF and EF-1δ taken with some of the recently published information concerning the TCTP (HrHRF) mentioned above suggest a possible intracellular role for TCTP/HrHRF.

Original languageEnglish (US)
Pages (from-to)232-236
Number of pages5
JournalBiochimica et Biophysica Acta - Molecular Basis of Disease
Volume1688
Issue number3
DOIs
StatePublished - Apr 5 2004

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Peptide Elongation Factor 1
translationally-controlled 1 tumor protein
Two-Hybrid System Techniques
Jurkat Cells
Guanine Nucleotides
Ribosomal Proteins
Oligonucleotide Array Sequence Analysis
Immunoprecipitation

Keywords

  • eElongation factor-1B beta
  • Elongation factor-1 delta
  • Human recombinant histamine releasing factor
  • Translationally controlled tumor protein
  • Yeast two-hybrid system

ASJC Scopus subject areas

  • Molecular Biology
  • Molecular Medicine
  • Biophysics

Cite this

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title = "Identification of the interaction between the human recombinant histamine releasing factor/translationally controlled tumor protein and elongation factor-1 delta (also known as eElongation factor-1B beta)",
abstract = "The human recombinant histamine releasing factor (HrHRF), also known as translationally controlled tumor protein (TCTP), p23 and fortilin, has been described to have both extra- and intracellular functions. To elucidate an extra- or intracellular role for HrHRF, we used the yeast two-hybrid system with HrHRF as the bait and a Jurkat T cell library. We isolated a partial cDNA clone of the human elongation factor-1 delta (EF-1δ) encoding for amino acids 12 to 281. This interaction was confirmed by co-immunoprecipitation experiments. Previously, both HrHRF and EF-1δ have been isolated and identified in association with malignancy in numerous studies. EF-1δ is part of the EF-1 complex responsible for kinetic proofreading in protein synthesis. Additionally, DNA microarray data classifies TCTP (HrHRF) as co-regulated with ribosomal proteins and recent structural analysis of TCTP (HrHRF) relates it to a guanine nucleotide-free chaperone. Our findings of an interaction between HrHRF and EF-1δ taken with some of the recently published information concerning the TCTP (HrHRF) mentioned above suggest a possible intracellular role for TCTP/HrHRF.",
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