In vivo (Athens, Greece) · 2022
Investigation of the Mechanism of Impaired Skin Barrier Function in Dogs With Malignant Tumors.
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Geum Migyeong, Kim Ha-Jung
Аннотация
BACKGROUND/AIM: No study has investigated skin barrier dysfunction with systemic diseases in veterinary medicine. We investigated the mechanism of disturbed skin barrier function in dogs with internal diseases.
MATERIALS AND METHODS: Healthy controls and dogs with systemic diseases were enrolled in three different disease groups: malignant tumor, hyperadrenocorticism and kidney disease. Transepidermal water loss (TEWL), serum levels of five selective pro-inflammatory cytokines and claudin-1, and complete blood count were measured.
RESULTS: TEWL was significantly increased in the malignant tumor group while serum claudin-1 concentrations were significantly lower compared to controls. Tumor necrosis factor-α was also significantly increased in the cancer group. In addition, the malignant tumor group showed significantly higher monocyte chemotactic protein-1 after chemotherapy, but lower interleukin-6 levels, compared to dogs with no chemotherapy.
CONCLUSION: Skin barrier function was decreased in dogs with malignant tumors compared to dogs with other systemic diseases by oxidative stress and a reduction in tight junction proteins.
MATERIALS AND METHODS: Healthy controls and dogs with systemic diseases were enrolled in three different disease groups: malignant tumor, hyperadrenocorticism and kidney disease. Transepidermal water loss (TEWL), serum levels of five selective pro-inflammatory cytokines and claudin-1, and complete blood count were measured.
RESULTS: TEWL was significantly increased in the malignant tumor group while serum claudin-1 concentrations were significantly lower compared to controls. Tumor necrosis factor-α was also significantly increased in the cancer group. In addition, the malignant tumor group showed significantly higher monocyte chemotactic protein-1 after chemotherapy, but lower interleukin-6 levels, compared to dogs with no chemotherapy.
CONCLUSION: Skin barrier function was decreased in dogs with malignant tumors compared to dogs with other systemic diseases by oxidative stress and a reduction in tight junction proteins.