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HspAdhesion

Role of cell membrane associated Hsp70 in cancer cell adhesion and metastasis

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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 HspAdhesion project word cloud

Explore the words cloud of the HspAdhesion project. It provides you a very rough idea of what is the project "HspAdhesion" about.

differential    unfolded    protection    folding    force    function    simultaneous    cellular    aggregation    highlight    forces    tissue    invasive    arrangement    outer    interface    positive    extracellular    frequently    single    stress    progression    additional    afm    proteins    quantify    implicated    atomic    molecule    host    microscopy    harmful    conferring    molecules    nascent    medical    decreased    cell    technique    adhesion    biochemistry    assist    exhibits    substrates    surface    family    metastasis    protein    tumors    spectroscopy    recognition    indicate    anchoring    heat    clinical    tissues    distant    copes    variety    significance    shock    mimicking    transport    drastically    upregulated    matrix    imaging    hsp70    context    negative    mediator    found    spread    biophysics    denatured    hsp    employ    chances    prevent    stresses    elucidate    cells    patients    specialized    resolution    localization    nanometer    normal    topography    inducible    question    membrane    survival    interaction    interdisciplinary    tumor    cancer   

Project "HspAdhesion" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITAT LINZ 

Organization address
address: ALTENBERGER STRASSE 69
city: LINZ
postcode: 4040
website: www.jku.at

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Austria [AT]
 Project website http://www.jku.at/biophysics/content/e54900/e275954
 Total cost 166˙156 €
 EC max contribution 166˙156 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2015
 Duration (year-month-day) from 2015-05-01   to  2017-04-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITAT LINZ AT (LINZ) coordinator 166˙156.00

Map

 Project objective

We propose an interdisciplinary project at the interface of biophysics, biochemistry, and medical research. Our objective is to investigate the specific role of cell membrane associated heat shock protein 70 (Hsp70) in the context of invasive cancer. In particular we address the question how cell membrane localization of Hsp70 affects differential adhesion of cancer cells and the formation of metastasis. In general, heat shock proteins (HSP) assist in folding of nascent proteins, prevent protein aggregation, and assist transport of proteins. Upon a variety of stresses HSP production is rapidly upregulated. Hsp70 is the major stress-inducible member of the HSP70 family. In normal cells it copes with harmful unfolded and denatured protein conferring protection to the cell. Tumor cells frequently present Hsp70 on their outer surface where it exhibits additional activities. For a number of different tumors a high level of membrane Hsp70 has been found to indicate drastically decreased survival chances in patients. Moreover it has been implicated in formation of metastasis where it might support spread and anchoring into distant tissues. These findings highlight the clinical significance of cell membrane associated Hsp70 and the need for a better understanding of its role in differential cell adhesion and progression of cancer. We will employ atomic force microscopy (AFM) in order to elucidate the function of membrane Hsp70 as a possible adhesion molecule or mediator of cellular adhesion. (1) Using single-cell force spectroscopy we will characterize and quantify adhesion forces of Hsp70 positive and negative cells to different substrates mimicking their interaction with extracellular matrix and host tissue. (2) With the help of a specialized AFM technique that enables topography imaging with a simultaneous recognition of specific surface molecules we will determine the localization and arrangement of Hsp70 molecules on the cell surface with nanometer resolution.

 Publications

year authors and title journal last update
List of publications.
2018 Constanze Lamprecht, Mathias Gehrmann, Josef Madl, Winfried Römer, Gabriele Multhoff, Andreas Ebner
Molecular AFM imaging of Hsp70-1A association with dipalmitoyl phosphatidylserine reveals membrane blebbing in the presence of cholesterol
published pages: , ISSN: 1355-8145, DOI: 10.1007/s12192-018-0879-0
Cell Stress and Chaperones 2019-07-23
2017 Michael Leitner Alexandra Poturnayova Constanze Lamprecht Sabine Weich Maja SnejdarkovaIvana Karpisova Tibor Hianik Andreas Ebner
Characterization of the specific interaction between the DNA aptamer sgc8c and protein tyrosine kinase-7 receptors at the surface of T-cells by biosensing AFM
published pages: , ISSN: 1618-2642, DOI: 10.1007/s00216-017-0238-5
Analytical and Bioanalytical Chemistry 2019-07-23
2017 Constanze Lamprecht, Jürgen Strasser, Lilia A. Chtcheglova, Melanie Köhler, Sandra Posch, Yoo Jin Oh, Rong Zhu, Andreas Ebner, Peter Hinterdorfer
Biomedical Sensing with the Atomic Force Microscope
published pages: 135-173, ISSN: , DOI: 10.1007/978-3-319-51433-8_4
Nanotribology and Nanomechanics 2019-07-23

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The information about "HSPADHESION" are provided by the European Opendata Portal: CORDIS opendata.

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