Blar i forfatter "Eksteen, Jacobus Johannes"

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    • Oncolysis with DTT-205 and DTT-304 generates immunological memory in cured animals 

      Zhou, Heng; Mondragón, Laura; Xie, Wei; Mauseth, Brynjar; Leduc, Marion; Sauvat, Allan; Gomes-da-Silva, Lígia C.; Forveille, Sabrina; Iribarren, Kristina; Souquere, Sylvie; Bezu, Lucillia; Liu, Peng; Zhao, Liwei; Zitvogel, Laurence; Sveinbjørnsson, Baldur; Eksteen, Jacobus Johannes; Rekdal, Øystein; Kepp, Oliver; Kroemer, Guido (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-10-23)
      Abstract Oncolytic peptides and peptidomimetics are being optimized for the treatment of cancer by selecting agents with high cytotoxic potential to kill a maximum of tumor cells as well as the capacity to trigger anticancer immune responses and hence to achieve long-term effects beyond therapeutic discontinuation. Here, we report on the characterization of two novel oncolytic peptides, DTT-205 ...

    • Selective intracellular delivery of thiolated cargo to tumor and neovasculature cells using histidine-rich peptides as vectors 

      Eksteen, Jacobus Johannes; Ausbacher, Dominik; Vasskog, Terje; Rekdal, Øystein; Svendsen, John Sigurd Mjøen (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-03-06)
      Short histidine-rich peptides could serve as novel activatable vectors for delivering cytotoxic payloads to tumor and neovasculature cells. This explorative study reports preliminary results showing that zinc ions, which are found in elevated levels at neovasculature sites, can trigger the intracellular delivery of a short antimicrobial peptide when conjugated to a histidine-rich peptide through a ...

    • Structure-activity relationships of the antimicrobial peptide arasin 1 - and mode of action studies of the N terminal, proline-rich region 

      Paulsen, Victoria; Blencke, Hans-Matti; Benincasa, Monica; Haug, Tor; Eksteen, Jacobus Johannes; Styrvold, Olaf B.; Scocchi, Marco; Stensvåg, Klara (Journal article; Tidsskriftartikkel; Peer reviewed, 2012)
      Arasin 1 is a 37 amino acid long proline-rich antimicrobial peptide isolated from the spider crab, Hyas araneus. In this work the active region of arasin 1 was identified through structure-activity studies using different peptide fragments derived from the arasin 1 sequence. The pharmacophore was found to be located in the proline/arginine-rich NH2 terminus of the peptide and the fragment arasin ...

    • Tumor lysis with LTX-401 creates anticancer immunity 

      Xie, Wei; Mondragon, Laura; Mauseth, Brynjar; Wang, Yan; Pol, Jonathan; Levesque, Sarah; Zhou, Heng; Yamazaki, Takahiro; Eksteen, Jacobus Johannes; Zitvogel, Laurence; Sveinbjørnsson, Baldur; Rekdal, Øystein; Kepp, Oliver; Kroemer, Guido (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-04-13)
      Local immunotherapies such as the intratumoral injection of oncolytic compounds aim at reinstating and enhancing systemic anticancer immune responses. LTX-315 is a first-in-class, clinically evaluated oncolytic peptide-based local immunotherapy that meets these criteria. Here, we show that LTX-401, yet another oncolytic compound designed for local immunotherapy, depicts a similar safety profile and ...