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Separation of induction and expression of tight junction formation mediated by proteinases

  • Ahuva Talmon
  • , Esther Cohen
  • , Adelbert Bacher
  • , Yehuda Ben-shaul*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

The formation of tight junctions can be induced in the human adenocarcinoma cell line HT 29 by treatment with trypsin at 37°C. In contrast, after treatment of the cells with trypsin at low temperature (3°C), no tight junctions were observed. However, abundant formation of tight junctions occurred when cells were treated with trypsin at 3°C, washed with soybean trypsin inhibitor, and subsequently incubated at 37°C. Thus, this protocoi allows for the first time the temporal separation of the induction and assembly of tight junctions.

Original languageEnglish
Pages (from-to)505-507
Number of pages3
JournalBBA - Biomembranes
Volume769
Issue number2
DOIs
StatePublished - 25 Jan 1984

Funding

Funders
Verband der Chemischen Industrie
Deutsche Forschungsgemeinschaft

    Keywords

    • (Human adenocarcinoma)
    • Cell-cell interaction
    • Proteinase
    • Tight junction

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