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Mast Cell Tryptase ...
Mast Cell Tryptase Promotes Airway Remodeling by Inducing Anti-Apoptotic and Cell Growth Properties in Human Alveolar and Bronchial Epithelial Cells
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- Berlin, Frida (författare)
- Lund University,Lunds universitet,Respiratorisk cellbiologi,Forskargrupper vid Lunds universitet,Respiratory Cell Biology,Lund University Research Groups
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- Mogren, Sofia (författare)
- Lund University,Lunds universitet,Respiratorisk cellbiologi,Forskargrupper vid Lunds universitet,Respiratory Cell Biology,Lund University Research Groups
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- Ly, Camilla (författare)
- Lund University
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- Ramu, Sangeetha (författare)
- Lund University,Lunds universitet,Respiratorisk immunofarmakologi,Forskargrupper vid Lunds universitet,Respiratory Immunopharmacology,Lund University Research Groups
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- Hvidtfeldt, Morten (författare)
- Bispebjerg Hospital
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- Uller, Lena (författare)
- Lund University,Lunds universitet,Institutionen för experimentell medicinsk vetenskap,Medicinska fakulteten,Respiratorisk immunofarmakologi,Forskargrupper vid Lunds universitet,Department of Experimental Medical Science,Faculty of Medicine,Respiratory Immunopharmacology,Lund University Research Groups
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- Porsbjerg, Celeste (författare)
- Bispebjerg Hospital
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- Andersson, Cecilia K. (författare)
- Lund University,Lunds universitet,Respiratorisk cellbiologi,Forskargrupper vid Lunds universitet,Respiratory Cell Biology,Lund University Research Groups
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(creator_code:org_t)
- 2023
- 2023
- Engelska.
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Ingår i: Cells. - 2073-4409. ; 12:10
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- Bronchial and alveolar remodeling and impaired epithelial function are characteristics of chronic respiratory diseases. In these patients, an increased number of mast cells (MCs) positive for serine proteases, tryptase and chymase, infiltrate the epithelium and alveolar parenchyma. However, little is known regarding the implication of intraepithelial MCs on the local environment, such as epithelial cell function and properties. In this study, we investigated whether MC tryptase is involved in bronchial and alveolar remodeling and the mechanisms of regulation during inflammation. Using novel holographic live cell imaging, we found that MC tryptase enhanced human bronchial and alveolar epithelial cell growth and shortened the cell division intervals. The elevated cell growth induced by tryptase remained in a pro-inflammatory state. Tryptase also increased the expression of the anti-apoptotic protein BIRC3, as well as growth factor release in epithelial cells. Thus, our data imply that the intraepithelial and alveolar MC release of tryptase may play a critical role in disturbing bronchial epithelial and alveolar homeostasis by altering cell growth–death regulation.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
Nyckelord
- airway remodeling
- alveolar epithelium
- anti-apoptosis
- bronchial epithelium
- cell growth
- growth factors
- mast cell
- PAR-2
- proteases
- tryptase
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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