Jamie Rosen, Angelo Landriscina, Allison Kutner, Brandon L

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Presentation transcript:

Silver Sulfadiazine Retards Wound Healing in Mice via Alterations in Cytokine Expression  Jamie Rosen, Angelo Landriscina, Allison Kutner, Brandon L. Adler, Aimee E. Krausz, Joshua D. Nosanchuk, Adam J. Friedman  Journal of Investigative Dermatology  Volume 135, Issue 5, Pages 1459-1462 (May 2015) DOI: 10.1038/jid.2015.21 Copyright © 2015 The Society for Investigative Dermatology, Inc Terms and Conditions

Figure 1 Silver sulfadiazine delays wound closure. (a) Wounds of BALB/c mice untreated (upper panel) or treated with silver sulfadiazine (SSD; lower panel) on days 0, 7, and 13. Bar=5 mm. These experiments were performed three times with similar results. (b) Wound size analysis of BALB/c mice skin lesions. Time points are the averages of the results for 56 and 46 treated measurements for untreated controls and SSD, respectively, and error bars denote SEMs. *P<0.05 in comparing the SSD-treated to -untreated groups. (c) Histological analysis of untreated and SSD-treated BALB/c mice at day 7 and 15. Hematoxylin & Eosin staining. Scale bars left to right: 1000 μm, 100 μm. Blue staining indicated collagen utilizing Trichome. Scale bar=100 μm. Journal of Investigative Dermatology 2015 135, 1459-1462DOI: (10.1038/jid.2015.21) Copyright © 2015 The Society for Investigative Dermatology, Inc Terms and Conditions

Figure 2 Silver sulfadiazine alters the immunologic milieu in burn wounds. (a) Histological analysis of untreated and silver sulfadiazine (SSD)-treated wounded BALB/c mice at day 7. Representative myeloperoxidase (MPO)—(left) and IBA-1—(right) immunostained sections of the burn lesions are shown. The brown staining indicates cellular infiltration into the wound bed. Scale bars=1000 and 100 μm(left to right). (b) First row: Number of neutrophils and macrophages per field in wounded skin tissue of untreated and SSD mice. Data are given as the average number of neutrophils and macrophages in 15 different fields for 20 different wounds, and error bars denote SEMs. *P<0.0001 in comparing the SSD-treated group with the untreated groups. Second row: Quantification of signals from wounds (n=10 per group) on days 3 and 7. The blots were scanned and signal intensity was measured. IL-1a, IL-1ra, MIP-1a, and MIP-2. (Notably, as antibodies specific for each individual cytokine are used in this cytokine array, absolute levels for different cytokines cannot be compared.) Error bars denote SEMs. *P<0.0001 in comparing the SSD-treated group with the untreated groups. Journal of Investigative Dermatology 2015 135, 1459-1462DOI: (10.1038/jid.2015.21) Copyright © 2015 The Society for Investigative Dermatology, Inc Terms and Conditions