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Differential Intern...
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Hansen, Finja C.Lund University,Lunds universitet,Dermatologi och venereologi, Lund,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Dermatology and Venereology (Lund),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine,Division of Dermatology and Venereology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden
(författare)
Differential Internalization of Thrombin-Derived Host Defense Peptides into Monocytes and Macrophages
- Artikel/kapitelEngelska2022
Förlag, utgivningsår, omfång ...
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2021-12-22
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S. Karger AG,2022
Nummerbeteckningar
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LIBRIS-ID:oai:lup.lub.lu.se:49dd4bc1-7b6e-414d-b0fc-b693c0f16776
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https://lup.lub.lu.se/record/49dd4bc1-7b6e-414d-b0fc-b693c0f16776URI
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https://doi.org/10.1159/000520831DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-190980URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
Anmärkningar
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Proteolytic cleavage of thrombin generates C-terminal host defense peptides exerting multiple immunomodulatory effects in response to bacterial stimuli. Previously, we reported that thrombin-derived C-terminal peptides (TCPs) are internalized in monocytes and macrophages in a time- and temperature-dependent manner. In this study, we investigated which endocytosis pathways are responsible for the internalization of TCPs. Using confocal microscopy and flow cytometry, we show that both clathrin-dependent and clathrin-independent pathways are involved in the internalization of the prototypic TCP GKY25 in RAW264.7 and human monocyte-derived M1 macrophages, whereas the uptake of GKY25 in monocytic THP-1 cells is mainly dynamin-dependent. Internalized GKY25 was transported to endosomes and finally lysosomes, where it remained detectable for up to 10 h. Comparison of GKY25 uptake with that of the natural occurring TCPs HVF18 and FYT21 indicates that the pathway of TCP endocytosis is not only cell type-dependent but also depends on the length and composition of the peptide as well as the presence of LPS and bacteria. Finally, using neutron reflectometry, we show that the observed differences between HVF18 and the other 2 TCPs may be explained partially by differences in membrane insertion. Taken together, we show that TCPs are differentially internalized into monocytes and macrophages.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Nadeem, AftabUmeå universitet,Umeå University,Lund University,Lunds universitet,Avdelningen för mikrobiologi, immunologi och glykobiologi - MIG,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Microbiology, Immunology and Glycobiology - MIG,Department of Laboratory Medicine,Faculty of Medicine,Institutionen för molekylärbiologi (Medicinska fakulteten),Department of Microbiology, Immunology and Glycobiology (MIG), Institute of Laboratory Medicine, Lund University, Lund, Sweden(Swepub:umu)afna0003
(författare)
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Browning, Kathryn L.LEO Foundation Center for Cutaneous Drug Delivery, Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark
(författare)
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Campana, MarioISIS Neutron and Muon Source, Rutherford Appleton Laboratory, Harwell, United Kingdom
(författare)
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Schmidtchen, ArturLund University,Lunds universitet,Dermatologi och venereologi, Lund,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Schmidtchen lab,Forskargrupper vid Lunds universitet,Dermatology and Venereology (Lund),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine,Schmidtchen Lab,Lund University Research Groups,Division of Dermatology and Venereology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden; Dermatology, Skåne University Hospital, Lund, Sweden; Copenhagen Wound Healing Center, Bispebjerg Hospital, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark,University of Copenhagen(Swepub:lu)derm-asc
(författare)
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Van Der Plas, Mariena J.A.Lund University,Lunds universitet,Dermatologi och venereologi, Lund,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Schmidtchen lab,Forskargrupper vid Lunds universitet,Dermatology and Venereology (Lund),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine,Schmidtchen Lab,Lund University Research Groups,Division of Dermatology and Venereology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden; LEO Foundation Center for Cutaneous Drug Delivery, Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark(Swepub:lu)med-mja
(författare)
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Dermatologi och venereologi, LundSektion III
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Innate Immunity: S. Karger AG14:5, s. 418-4321662-811X1662-8128
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