Proteomics

Dataset Information

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CRISPR/dCAS9 genomic engineering for boosting the therapeutic potential of Extracellular Vesicles


ABSTRACT: This study aimed to enhance the therapeutic effect of MSC-derived extracellular vesicles (EVs) by overexpressing the TSG-6 gene using CRISPR activation and evaluate the biological activity of these modified EVs on human intervertebral disc (IVD) cells in vitro. n immortalized human MSC line was transduced with a CRISPR activation system targeting TSG-6. MSC-EVs were collected via ultracentrifugation, and their particle size/number was analyzed. Gene and protein expression were assessed to evaluate transduction efficiency. EV proteomics was analyzed by mass spectrometry. Human IVD cells were isolated from patients undergoing spinal surgery, pre-stimulated with IL-1β, and treated with MSC-EVs.

INSTRUMENT(S):

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Stem Cell, Cell Culture

SUBMITTER: Iker Martinez Zalbidea  

LAB HEAD: Karin Wuertz-Kozak

PROVIDER: PXD060381 | Pride | 2025-05-07

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
MartinezNTA24060.raw Raw
MartinezNTB24060.raw Raw
MartinezNTC24060.raw Raw
MartinezTSA24060.raw Raw
MartinezTSB24060.raw Raw
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Publications

CRISPR-dCas9 Activation of TSG-6 in MSCs Modulates the Cargo of MSC-Derived Extracellular Vesicles and Attenuates Inflammatory Responses in Human Intervertebral Disc Cells In Vitro.

Martinez-Zalbidea Iker I   Wagner Gabbie G   Bergendahl Nea N   Mesfin Addisu A   Puvanesarajah Varun V   Hitzl Wolfgang W   Schulze Stefan S   Wuertz-Kozak Karin K  

Cellular and molecular bioengineering 20250205 1


<h4>Purpose</h4>The purpose of this study was to boost the therapeutic effect of mesenchymal stem cell (MSC)-derived extracellular vesicles (EVs) by overexpressing the gene TSG-6 through CRISPR activation, and assess the biological activity of EVs from these modified MSCs <i>in vitro</i> on human intervertebral disc (IVD) cells.<h4>Methods</h4>An immortalized human MSC line was transduced with a CRISPR activation lentivirus system targeting TSG-6. MSC-EVs were harvested by ultracentrifugation an  ...[more]

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