Identification of mRNAs encoding two different soluble forms of the human interferon α-receptor

Carolina Abramovich, Edward Ratovitski, Erik Lundgren, Michel Revel

Research output: Contribution to journalArticle

Abstract

Transcripts of the human IFN α-receptor (IFNAR) gene, lacking the transmembrane (TM) domain were found in human myeloma U266S cells, in addition to the transmembranal IFNAR cDNA. Two different cDNAs encoding such soluble IFNAR forms were identified. Form 1 has a deletion causing a frameshift toward the end of the extracellular (EC) domain predicting a tail of 7 amino acids. Form 2 has two in-frame deletions and conserves most of the intracytoplasmatic domain of IFNAR. The transcripts for the two soluble forms are still found in U266r cells which have lost the transmembranal IFNAR transcript. Human cells seem to have independent mechanisms to synthesize soluble IFN receptors, which may act as competitors outside the cells or carry IFN-mediated functions inside the cell.

Original languageEnglish (US)
Pages (from-to)295-300
Number of pages6
JournalFEBS Letters
Volume338
Issue number3
DOIs
StatePublished - Feb 7 1994
Externally publishedYes

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Interferon Receptors
Complementary DNA
Messenger RNA
Genes
Cells
Amino Acids
Tail

Keywords

  • Alternative splicing
  • Interferon receptor
  • Myeloma cell
  • Soluble receptor

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

Identification of mRNAs encoding two different soluble forms of the human interferon α-receptor. / Abramovich, Carolina; Ratovitski, Edward; Lundgren, Erik; Revel, Michel.

In: FEBS Letters, Vol. 338, No. 3, 07.02.1994, p. 295-300.

Research output: Contribution to journalArticle

Abramovich, Carolina ; Ratovitski, Edward ; Lundgren, Erik ; Revel, Michel. / Identification of mRNAs encoding two different soluble forms of the human interferon α-receptor. In: FEBS Letters. 1994 ; Vol. 338, No. 3. pp. 295-300.
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