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Exosomes

Exosomes are small membrane vesicles of endocytic origin secreted by most cell types in vitro. Cells continuously secrete a large number of microvesicles, exosomes and small molecules into the extracellular space. Exosomes have been shown to contain mRNA and miRNA and they are able to mediate communication between cells, by transport of RNA and proteins which can be functionalized in the recipient cell. The ability to transport bioactive cargoes, gives exosomes innate therapeutic potential as a natural drug carrier. Efficient techniques for loading drugs into exosomes to utilize the natural carrier capabilities of these vesicles remains to be elucidated.

Applications of Exosomes

The presence exosomes in blood, saliva, and urine paves the way for the possible application of exosomes as a diagnostic marker for diseases. Many diseases are difficult to detect by the methods and equipment available today and there is a growing demand for development of new non‐invasive methods to detect diseases in early stages. The use of exosomes as markers of disease is being investigated to cement their potential as a non-invasive diagnostic tool for early detection of many diseases, in particular cancers. This, however, relies on thorough characterisation of exosomes in both healthy and diseased states

An important factor to understanding the roles of exosomes is knowledge of their biodistribution. Currently, the number of publications describing the biodistribution of exosomes is limited. The main reason being the lack of a robust fluorescent label that can be visualised in vivo. Mapping the specific cell type derived exosomes can increase our knowledge on the roles of exosomes in the organism, as well as help to identify natural targeting systems.

Isolation, Characterisation and Fluorescent Labelling

The most common isolation protocol uses a differential centrifugation to fractionate cells, microvesicles, and exosomes, which are pelleted by ultracentrifugation. After vesicles are secreted from cells into the extracellular environment, it difficult to separate the different subpopulations of vesicles to obtain a pure sample. We have developed methods to optimise isolation and thorough characterisation procedures to obtain pure and well-characterised exosomes. Furthermore, we have developed a simple method for labelling of exosomes with a robust fluorescent label that can be visualised in vivo, allowing investigation of the biodistribution of different cell derived exosomes.

Collaborators:

Department of Clinical Medicine, Aarhus University Hospital, Denmark

Dan Peer, Department of Cell Research & Immunology, Tel Aviv University, Israel

Moein Moghimi, school of Medicine, Pharmacy and Health, Durham University, UK

Recent Publications

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Bari, EJ, Hansen, S, Sandin, P, Ernstsson, O, Geale, K, Bossios, A, Lehtimäki, L, Janson, C, Ulrik, C, Kankaanranta, H, Aarli, BB, Von Bülow, A, Viinanen, A, Sverrild, A, Lúdvíksdóttir, D, Backman, H, Schmid, JM, Karjalainen, J, Bjermer, L, Kilpeläinen, M, Hilberg, O, Kauppi, P, Lehmann, S, Sandström, T, Skjold, T, Björnsdóttir, US, Yasinska, V, Backer, V, Altraja, A & Porsbjerg, C 2026, 'Identifying an At-Risk Asthma Phenotype: Allergy and Recurrent Infections Predict Severe Disease', Clinical and Experimental Allergy. https://doi.org/10.1111/cea.70230
Bossen, C, Kusk, K & Pedersen, AM 2026, ”I didn’t become a physician to be a glorified secretary”: Controversies in clinical AI implementation and scaling. in IT Gulbrandsen, TE Jensen, SN Just, C Lioma, HF Ratner, A Rehn & L Seabrooke (eds), Controversies of AI Society: Book of abstracts. 1 edn, Aalborg University Open Publishing, pp. 29-30, Controversies of AI Society Conference, Copenhagen, Denmark, 09/04/2026. https://doi.org/10.54337/aau.add.scai.boa
Falkenberg, R 2026, Gospel of Thomas Unnumbered: Reading the Coptic Version as a Continuous Text. in H Lundhaug, RB Sarrazin, S Cook, LL Toft & F Graz (eds), Coptic Apocrypha: New Frontiers - New Perspectives. Mohr Siebeck, Göttingen, Parabiblica: Editiones et Studia.
De Chiara, I, Feola, A, Della Gala, M, Marasco, R, Nielsen, MS, Porcellini, A, Grieco, M, Gentile, MT & Muscariello, L 2026, 'In vitro antitumor activity of Lactococcus lactis cell-free supernatant on human glioblastoma cell lines', Food Research International, vol. 223, no. Part 1, 117840. https://doi.org/10.1016/j.foodres.2025.117840
Olsen, TV 2026, 'Ikkeideal teori og kravet om effektive remedier', Politica - Tidsskrift for politisk videnskab, vol. 58, no. 1-2, pp. 164-182.
Pade, M 2026, Imitatio, style and intertextuality in Quattrocento humanist translation. in -. Ciceronianus. Scrittori latini per l'Europa.
Madsen, PB 2026, Immaterialret: Markedsret del 3. 9 edn, Djøf Forlag, København.
Nijveldt, R, Maeng, M, Beijnink, CWH, Piek, JJ, Al-Lamee, RK, Raposo, L, Baptista, SB, Escaned, J, Davies, J, Klem, I, Yosofi, B, van Geuns, R-JM, Frederiksen, CA, Jakobsen, L, El Barzouhi, A, van der Heijden, DJ, Ilhan, M, Rasoul, S, Brinckman, S, Saraber, C, Jones, DA, Petersen, SE, Podlesnikar, T, Bunc, M, Beijk, MAM, Piers, LH, van Rees, JB, Seligman, H, Cole, G, Iglesias, JF, Degrauwe, S, van 't Hof, AWJ, Lipsic, E, Pundziute-do Prado, G, Chattranukulchai, P, Rodríguez-Palomares, JF, Rigger, J, Meuwissen, M, Kleijn, L, Pereira, B, Monti, L, van der Schaaf, RJ, Sanchis, J, Belli, G, Tijssen, JGP, Thim, T, van Royen, N & iMODERN Investigators 2026, 'Immediate or Deferred Nonculprit-Lesion PCI in Myocardial Infarction', The New England Journal of Medicine, vol. 394, no. 10, pp. 958-968. https://doi.org/10.1056/NEJMoa2512918
Torrance, I 2026, Immigration, Classical Antiquity, and Diversity: Envoi. in Irish Migrations and Classical Antiquity. Bloomsbury Academic, London, pp. 326-330.
Chan, WK, Jabbari Shiadeh, SM, Lenzig, J, Svedin, P, Rasmusson, S, Vigne, O, Veit, V, Chumak, T, Ardalan, M & Mallard, C 2026, 'Immune Synaptopathy and Sex Differences in Recognition Memory from Neonatal Staphylococcus epidermidis Infection', Developmental Neuroscience, pp. 1-25. https://doi.org/10.1159/000548381
Rezahosseini, O, Jensen, JUS, Rahimi, HK, Jensen, NE, Jørgensen, CS, Fischer, TK, Ostrowski, SR, Lundgren, J, Ostergaard, L, Harboe, ZB & ENFORCE Study Group 2026, 'Immunogenicity and Safety of the COVID-19 Messenger RNA Vaccine Coadministered With Influenza and 23-valent Pneumococcal Polysaccharide Vaccines', Clinical Infectious Diseases, vol. 82, no. 2, pp. e343-e351. https://doi.org/10.1093/cid/ciaf455
King, HAD, Angelovich, TA, Moso, MA, Pascoe, RD, Churchill, MJ & Lewin, SR 2026, 'Immunotherapy and impact on tissue reservoirs', Current Opinion in HIV and AIDS, vol. 21, no. 1, pp. 31-39. https://doi.org/10.1097/COH.0000000000000996
Daston, L, Pape Møller, J (Translator) & Ploug, IK (Translator) 2026, Imod naturen. translated by Jeppe Pape Møller, Ida Katinka Ploug, Forlaget Slagmark.
Cappelli, F, Fontana, M, Garcia-Pavia, P, Judge, DP, Obici, L, Masri, A, Vogtländer, K, Ciaccia, A, Zazula, A, Tamby, J-F, Castaño, A, Fox, JC, Poulsen, SH, Damy, T, Januzzi, JL & Gillmore, JD 2026, 'Impact of acoramidis on clinical stability in transthyretin amyloid cardiomyopathy: Observations from ATTRibute-CM', European Journal of Heart Failure. https://doi.org/10.1093/ejhf/xuag048
Fonseca, AS, Liisberg, JB, Nøjgaard, JK, Pleva, F, Jensen, SB, Agathokleous, S, Moreno, T, Kedwell-Simmering, K, Casado, C, Encinas, JÁ, Lehmann, M & Jensen, KA 2026, 'Impact of air purifiers on occupational particle exposure in an enclosed bus workshop', Building and Environment, vol. 287, 113823. https://doi.org/10.1016/j.buildenv.2025.113823
Mogensen, H, Louro, J, Maltesen, T, Kenborg, L, Hasle, H, Holmqvist, AS, Heinävaara, S, Feychting, M, Frederiksen, LE & Erdmann, F 2026, 'Impact of disease burden and educational attainment on health-related unemployment among childhood cancer survivors: A mediation analysis within the Nordic SALiCCS research programme', EJC Paediatric Oncology, vol. 7, 100490. https://doi.org/10.1016/j.ejcped.2026.100490
Krasniqi, L, Terkelsen, CJ, Nissen, H, Freeman, P, Frederiksen, CA, Vase, H, Hejlesen, K, Fur, CB, Thim, T, Eftekhari, A, Uttenthal, F, Ellert, J, Borg Mogensen, NS, Haujir, A, Christiansen, EH & Dahl, JS 2026, 'Impact of Flow-status on Effective Orifice Area in Transcatheter Heart Valves: a COMPARE-TAVI 1 Substudy', Journal of the American Society of Echocardiography, vol. 39, no. 1, pp. 80-88. https://doi.org/10.1016/j.echo.2025.09.017
Molina-Vila, MA, Tsourti, Z, Vervita, K, Bertran-Alamillo, J, García-Peláez, B, Kerr, KM, Bubendorf, L, Madsen, LB, Biernat, W, Stenzinger, A, Haberecker, M, Blackhall, F, Pokharel, S, Jordana-Ariza, N, Vives-Usano, M, Vagenknecht, P, Dafni, U, Kammler, R, Finn, SP, Peters, S, Stahel, RA & Rosell, R 2026, 'Impact of TP53, KEAP1 and STK11 mutations in localized-stage NSCLC: A European thoracic oncology platform lungscape project', European Journal of Cancer. https://doi.org/10.1016/j.ejca.2026.116583
Dehn, P, Rasmussen, A, Seibæk, L, Sekse, RJT, Thimm, AM & Olesen, ML 2026, 'Impact of Lymphedema on Women's Lives After Gynaecological Cancer: An Integrative Review', Scandinavian Journal of Caring Sciences, vol. 40, no. 1, e70189. https://doi.org/10.1111/scs.70189
Luef, BM, Stentebjerg, LL, Tanvig, MH, Aalders, J, Möller, S, Ovesen, PG, Christesen, HT, McIntyre, HD, Catalano, PM, Jørgensen, JS, Overgaard, M, Jensen, DM & Vinter, CA 2026, 'Impact of maternal fasting blood glucose in pregnancy on body composition, anthropometric, and metabolic outcomes in newborns and 3-Year-Old offspring: results from the lifestyle in pregnancy and offspring study', BMC Pregnancy and Childbirth, vol. 26, no. 1, 193. https://doi.org/10.1186/s12884-026-08692-3
Mahajan, S, Tyagi, A, Boral, P, Mehala, R, Rellegadla, S, Prajapat, G, Roy, P, Gogoi, S & Agrawal, A 2026, 'Impact of multifunctional biopolymer-silica nanocomposites on viscosity, wettability and reservoir microbiome for enhanced oil recovery', Chemical Engineering Science, vol. 320, no. Part A, 122427. https://doi.org/10.1016/j.ces.2025.122427
Henningsen, JB, Søndergaard, MM, Jørgensen, SH, Søby, JH, Bøttcher, M, Rasmussen, LD, Christiansen, EH, Holck, EN, Jensen, LO, Bouchelouche, K, Pedersen, CT, Kragholm, KH & Eftekhari, A 2026, 'Impact of myocardial perfusion abnormalities on clinical outcomes in patients treated with percutaneous coronary intervention for chronic total occlusions', European Heart Journal. Imaging Methods and Practice, vol. 4, no. 1, qyaf137. https://doi.org/10.1093/ehjimp/qyaf137
Opoku, SY, Barnes, VR, Plauborg, F, Padi, FK, Amisah, S, Dompreh, D, Afele, JT, Anokye, J, Asante, R, Ansah, EG, Osei, MH, Agbenyega, O, Jorgensen, U, Pedersen, SM & Berg, TR 2026, 'Impact of overhead shade intensity and cocoa variety on the micro-climate and productivity of cocoa farms in two ecological zones of Ghana', Ecological Frontiers. https://doi.org/10.1016/j.ecofro.2026.02.015
Frederiksen, KS, Brummer, JE, Karriker-Jaffe, K & Chartier, KG 2026, Impact of parental substance use problems on children's risk of becoming NEET. in Supporting Families Affected by Alcohol, Substance use, and Gambling: A Global Approach. Cambridge Scholars Publishing, Newcastle Upon Tyne, UK.
do Canto, LM, Jacobsen, CM, Nissen, PH, Højbjerg, JA, Madsen, JS, Hansen, TF & Andersen, RF 2026, 'Impact of pneumatic tube system transport and blood collection tubes on cell-free DNA analysis of plasma samples', Clinical Chemistry and Laboratory Medicine, vol. 64, no. 2, pp. 332-342. https://doi.org/10.1515/cclm-2025-0367
Hjulmand, J, Pries-Heje, M, Lenz, IT, Carter-Storch, R, Rahman, NSK, Gill, S, Bruun, NE, Povlsen, JA, Christiansen, U, Helweg-Larsen, J, Elming, H, Fosbøl, E, Tønder, N, Moser, C, Iversen, K, Ihlemann, N & Bundgaard, H 2026, 'Impact of Residual Vegetations After Treatment of Left-Sided Infective Endocarditis: A Substudy of the POET Trial', JACC: Cardiovascular Imaging. https://doi.org/10.1016/j.jcmg.2026.01.002
Hada, M, Mizukami, T, Ikeda, K, Munhoz, D, Brouwers, S, Sonck, J, Matsuo, H, Shinke, T, Ando, H, Ko, B, Biscaglia, S, Rivero, F, Engstrøm, T, Arslani, K, Leone, AM, Galante, D, van Nunen, LX, Fearon, WF, Christiansen, EH, Fournier, S, Desta, L, Yong, A, Adjedj, J, Escaned, J, Nakayama, M, Eftekhari, A, Zimmermann, FM, Sakai, K, Storozhenko, T, da Costa, BR, Campo, G, Berry, C, Collison, D, Johnson, T, Amano, T, Perera, D, Jeremias, A, Ali, Z, De Bruyne, B, Barbato, P, Corradetti, S, Stalikas, N, Kechichian, A, Bouisset, F, Kakuta, T, Johnson, NP & Collet, C 2026, 'Impact of Sex on Residual Angina After Percutaneous Coronary Interventions', Catheterization and Cardiovascular Interventions, vol. 107, no. 4, pp. 987-996. https://doi.org/10.1002/ccd.70419