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Expression of pro-inflammatory genes in lesions, spleens and blood neutrophils after burn injuries in mice treated with silver sulfodiazine.

ABSTRACT: OBJECTIVES:It is now supposed that cytokines released during the burn injuries have a great impact on the immunological and pathological responses after the burn. The main objective of this study was to investigate the expression of some pro-inflammatory genes in the wound, spleen and blood neutrophils during the healing process of burn wounds in a murine model. MATERIALS AND METHODS:The expression of ten pro-inflammatory genes were examined in wounds, spleens and blood neutrophils of mice with burn injuries treated with either silver sulfodiazine or phosphate-buffered saline (PBS) using RT-PCR at the end of the first and second weeks after injuries. RESULTS:None of the pro-inflammatory genes were expressed in the skin, spleen and blood neutrophils of healthy mice. In the group control, IL-12P35, IL-12P40, CCR5, IL-1? and IFN-? were expressed in the spleen and blood neutrophils in the first week. Instead, CCL5, CCR5, IL-1? and IFN-? were expressed in the wound, but in the second week, the expression of the genes became similar. In the test group, in the first week, TNF-?, IL-12P35, IL-12P40 and IL-1? were expressed in the lesions, CCL4, IL-1?, IL-12P35, IL-12P40, CCR5 and IFN-? were expressed in the spleen and no pro-inflammatory gene expression was detected in blood neutrophils. CONCLUSION:IL-1? and IFN-? are expressed in wound, spleen and neutrophils of untreated mice, but not in silver sulfodiazine treated mice. Hence, treatment with silver sulfodiazine suppressed the expression of pro-inflammatory genes in some stages of healing.

SUBMITTER: Akhzari S

PROVIDER: S-EPMC5569587 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature

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Expression of pro-inflammatory genes in lesions, spleens and blood neutrophils after burn injuries in mice treated with silver sulfodiazine.

Akhzari Soheyla S Rezvan Hossein H Zolhavarieh Seyed Masoud SM

Iranian journal of basic medical sciences 20170701 7

<h4>Objectives</h4>It is now supposed that cytokines released during the burn injuries have a great impact on the immunological and pathological responses after the burn. The main objective of this study was to investigate the expression of some pro-inflammatory genes in the wound, spleen and blood neutrophils during the healing process of burn wounds in a murine model.<h4>Materials and methods</h4>The expression of ten pro-inflammatory genes were examined in wounds, spleens and blood neutrophil ...[more]

PMID: 28852441

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Project description:INTRODUCTION:The Emergency Management of Severe Burns (EMSB) referral criteria have been implemented for optimal triaging of burn patients. Admission to a burn centre is indicated for patients with severe burns or with specific characteristics like older age or comorbidities. Patients not meeting these criteria can also be treated in a hospital without burn centre. Limited information is available about the organisation of care and referral of these patients. The aims of this study are to determine the burn injury characteristics, treatment (costs), quality of life and scar quality of burn patients admitted to a hospital without dedicated burn centre. These data will subsequently be compared with data from patients with<10%?total bodysurface area (TBSA) burned who are admitted (or secondarily referred) to a burn centre. If admissions were in agreement with the EMSB, referral criteria will also be determined. METHODS AND ANALYSIS:In this multicentre, prospective, observational study (cohort study), the following two groups of patients will be followed: 1) all patients (no age limit) admitted with burn-related injuries to a hospital without a dedicated burn centre in the Southwest Netherlands or Brabant Trauma Region and 2) all patients (no age limit) with<10%?TBSA burned who are primarily admitted (or secondarily referred) to the burn centre of Maasstad Hospital. Data on the burn injury characteristics (primary outcome), EMSB compliance, treatment, treatment costs and outcome will be collected from the patients' medical files. At 3?weeks and at 3, 6 and 12 months after trauma, patients will be asked to complete the quality of life questionnaire (EuroQoL-5D), and the patient-reported part of the Patient and Observer Scar Assessment Scale (POSAS). At those time visits, the coordinating investigator or research assistant will complete the observer-reported part of the POSAS. ETHICS AND DISSEMINATION:This study has been exempted by the medical research ethics committee Erasmus MC (Rotterdam, The Netherlands). Each participant will provide written consent to participate and remain encoded during the study. The results of the study are planned to be published in an international, peer-reviewed journal. TRIAL REGISTRATION NUMBER:NTR6565.

Dataset Information

Expression of pro-inflammatory genes in lesions, spleens and blood neutrophils after burn injuries in mice treated with silver sulfodiazine.

Publications

Expression of pro-inflammatory genes in lesions, spleens and blood neutrophils after burn injuries in mice treated with silver sulfodiazine.

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