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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Werner, Sabine Huber, Marcel Rodewald, Hans-Reimer Antsiferova, Maria Martin, Caroline Förster, Anja Feyerabend, Thorsten B. Hohl, Daniel Hartmann, Karin |
| Description | Author Affiliation: Antsiferova M ( Department of Biology, Institute of Molecular Health Sciences, Swiss Federal Institute of Technology Zurich, 8093 Zürich, Switzerland) |
| Abstract | The growth and differentiation factor activin A is a key regulator of tissue repair, inflammation, fibrosis, and tumorigenesis. However, the cellular targets, which mediate the different activin functions, are still largely unknown. In this study, we show that activin increases the number of mature mast cells in mouse skin in vivo. To determine the relevance of this finding for wound healing and skin carcinogenesis, we mated activin transgenic mice with CreMaster mice, which are characterized by Cre recombinase-mediated mast cell eradication. Using single- and double-mutant mice, we show that loss of mast cells neither affected the stimulatory effect of overexpressed activin on granulation tissue formation and reepithelialization of skin wounds nor its protumorigenic activity in a model of chemically induced skin carcinogenesis. Furthermore, mast cell deficiency did not alter wounding-induced inflammation and new tissue formation or chemically induced angiogenesis and tumorigenesis in mice with normal activin levels. These findings reveal that mast cells are not major targets of activin during wound healing and skin cancer development and also argue against nonredundant functions of mast cells in wound healing and skin carcinogenesis in general. |
| ISSN | 00221767 |
| e-ISSN | 15506606 |
| Journal | The Journal of Immunology |
| Issue Number | 12 |
| Volume Number | 191 |
| Language | English |
| Publisher | The American Association of Immunologists |
| Publisher Date | 2013-12-15 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Activins Pharmacology Carcinoma, Squamous Cell Pathology Mast Cells Physiology Papilloma Skin Neoplasms Wound Healing Drug Effects 9,10-dimethyl-1,2-benzanthracene Administration & Dosage Deficiency Animals Carcinogens Blood Supply Chemically Induced Chemotaxis Injections, Intralesional Mice Mice, Inbred C57bl Mice, Knockout Mice, Transgenic Neovascularization, Pathologic Neutrophil Infiltration Proto-oncogene Proteins C-kit Recombinant Proteins Skin Injuries Tetradecanoylphorbol Acetate Research Support, Non-u.s. Gov't Discipline Immunology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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