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Extracellular vesicle bioactivity and potential clinical utility is determined by mesenchymal stromal cell clonal subtype (2024)
Working Paper
Ioannou, S., G Kay, A., P Stone, A., Rand, E., Elberfeld, S., Bolton, W., …Genever, P. Extracellular vesicle bioactivity and potential clinical utility is determined by mesenchymal stromal cell clonal subtype

Mesenchymal stromal cells (MSCs) are a promising source of therapeutic extracellular vesicles (EVs), however it is not clear how heterogeneity within a non-clonal MSC population will affect the collective EV pool. Here we used immortalised clonal MSC... Read More about Extracellular vesicle bioactivity and potential clinical utility is determined by mesenchymal stromal cell clonal subtype.

Minimal information for studies of extracellular vesicles (MISEV2023): From basic to advanced approaches (2024)
Journal Article
Kehoe, O., Welsh, J. A., Goberdhan, D. C., O'Driscoll, L., Buzas, E. I., Blenkiron, C., …Witwer, K. W. (2024). Minimal information for studies of extracellular vesicles (MISEV2023): From basic to advanced approaches. Journal of Extracellular Vesicles, 13(2), Article e12404. https://doi.org/10.1002/jev2.12404

Extracellular vesicles (EVs), through their complex cargo, can reflect the state of their cell of origin and change the functions and phenotypes of other cells. These features indicate strong biomarker and therapeutic potential and have
generated b... Read More about Minimal information for studies of extracellular vesicles (MISEV2023): From basic to advanced approaches.

ST2-Conditioned Medium Fosters Dorsal Horn Cell Excitability and Synaptic Transmission in Cultured Mouse Spinal Cord. (2023)
Journal Article
Juárez, E. H., Wood, C. R., Davies, R., Kehoe, O., Johnson, W. E., Merighi, A., & Ferrini, F. (2023). ST2-Conditioned Medium Fosters Dorsal Horn Cell Excitability and Synaptic Transmission in Cultured Mouse Spinal Cord. Stem Cell Reviews and Reports, 19, 2918-2928. https://doi.org/10.1007/s12015-023-10618-x

Conditioned medium obtained from bone marrow-derived stem cells has been proposed as a novel cell-free therapy in spinal cord injury and neuropathic pain, yet the direct effect on spinal neuron function has never been investigated. Here, we adopted s... Read More about ST2-Conditioned Medium Fosters Dorsal Horn Cell Excitability and Synaptic Transmission in Cultured Mouse Spinal Cord..

Extracellular vesicles derived from umbilical cord mesenchymal stromal cells show enhanced anti-inflammatory properties via upregulation of miRNAs after pro-inflammatory priming (2023)
Journal Article
Hyland, M., Mennan, C., Davies, R., Wilson, E., Tonge, D. P., Clayton, A., & Kehoe, O. (2023). Extracellular vesicles derived from umbilical cord mesenchymal stromal cells show enhanced anti-inflammatory properties via upregulation of miRNAs after pro-inflammatory priming. Stem Cell Reviews and Reports, 19, 2391–2406. https://doi.org/10.1007/s12015-023-10586-2

Autoimmune conditions, such as rheumatoid arthritis, are characterised by a loss of immune tolerance, whereby the immune cells attack self-antigens causing pain and inflammation. These conditions can be brought into remission using pharmaceutical tre... Read More about Extracellular vesicles derived from umbilical cord mesenchymal stromal cells show enhanced anti-inflammatory properties via upregulation of miRNAs after pro-inflammatory priming.

Extracellular Vesicle Depletion Protocols of Foetal Bovine Serum Influence Umbilical Cord Mesenchymal Stromal Cell Phenotype, Immunomodulation, and Particle Release (2023)
Journal Article
Davies, R., Allen, S., Mennan, C., Platt, M., Wright, K., & Kehoe, O. (2023). Extracellular Vesicle Depletion Protocols of Foetal Bovine Serum Influence Umbilical Cord Mesenchymal Stromal Cell Phenotype, Immunomodulation, and Particle Release. International Journal of Molecular Sciences, 24(11), 9242. https://doi.org/10.3390/ijms24119242

The immunomodulatory properties of MSCs can be recreated using their extracellular vesicles (EVs). Yet, the true capabilities of the MSC EVs cannot be distinguished from contaminating bovine EVs and protein derived from supplemental foetal bovine ser... Read More about Extracellular Vesicle Depletion Protocols of Foetal Bovine Serum Influence Umbilical Cord Mesenchymal Stromal Cell Phenotype, Immunomodulation, and Particle Release.

Psoriatic arthritis: review of potential biomarkers predicting response to TNF inhibitors (2022)
Journal Article
Makos, A., Kuiper, J., Kehoe, O., & Amarasena, R. (2022). Psoriatic arthritis: review of potential biomarkers predicting response to TNF inhibitors. Inflammopharmacology, 77-87. https://doi.org/10.1007/s10787-022-01092-x

Psoriatic arthritis (PsA) is a chronic and painful inflammatory immune-mediated disease. It affects up to 40% of people with psoriasis and it is associated with several comorbidities such as obesity, diabetes, metabolic syndrome and hypertension. PsA... Read More about Psoriatic arthritis: review of potential biomarkers predicting response to TNF inhibitors.

THERAPEUTIC EFFECTS OF HYPOXIC AND PRO-INFLAMMATORY PRIMING OF MESENCHYMAL STEM CELL-DERIVED EXTRACELLULAR VESICLES IN INFLAMMATORY ARTHRITIS (2021)
Journal Article
Kay, A. G., Treadwell, K., Roach, P., Morgan, R., Lodge, R., Hyland, M., …Kehoe, O. (in press). THERAPEUTIC EFFECTS OF HYPOXIC AND PRO-INFLAMMATORY PRIMING OF MESENCHYMAL STEM CELL-DERIVED EXTRACELLULAR VESICLES IN INFLAMMATORY ARTHRITIS. International Journal of Molecular Sciences, 23(1), Article 126. https://doi.org/10.3390/ijms23010126

<jats:title>Abstract</jats:title><jats:p>Novel biological therapies have revolutionised the management of Rheumatoid Arthritis (RA) but no cure currently exists. Mesenchymal stem cells (MSCs) immunomodulate inflammatory responses through paracrine si... Read More about THERAPEUTIC EFFECTS OF HYPOXIC AND PRO-INFLAMMATORY PRIMING OF MESENCHYMAL STEM CELL-DERIVED EXTRACELLULAR VESICLES IN INFLAMMATORY ARTHRITIS.

Therapeutic Effects of Hypoxic and Pro-Inflammatory Priming of Mesenchymal Stem Cell-Derived Extracellular Vesicles in Inflammatory Arthritis (2021)
Journal Article
Kay, A. G., Roach, P., Morgan, R., Lodge, R., Hyland, M., Piccinini, A. M., …Treadwell, K. (2021). Therapeutic Effects of Hypoxic and Pro-Inflammatory Priming of Mesenchymal Stem Cell-Derived Extracellular Vesicles in Inflammatory Arthritis. International Journal of Molecular Sciences, 23(1), 126 - 126. https://doi.org/10.3390/ijms23010126

<jats:p>Mesenchymal stem cells (MSCs) immunomodulate inflammatory responses through paracrine signalling, including via secretion of extracellular vesicles (EVs) in the cell secretome. We evaluated the therapeutic potential of MSCs-derived small EVs... Read More about Therapeutic Effects of Hypoxic and Pro-Inflammatory Priming of Mesenchymal Stem Cell-Derived Extracellular Vesicles in Inflammatory Arthritis.