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KMID : 1237720210540040448
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Anatomy & Cell Biology
2021 Volume.54 No. 4 p.448 ~ p.464
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Role of nuclear factor-kappa B in bleomycin induced pulmonary fibrosis and the probable alleviating role of ginsenoside: histological, immunohistochemical, and biochemical study
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El-Bassouny Dalia Refaat
Omar Nesreen Mostafa
Khalaf Hanaa Attia
Al-Salam Reem Ahmad Abd
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Abstract
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Bleomycin (BLM) is one of anti-cancerous drugs. One of its limitation is the development of pulmonary fibrosis during therapy So, we proposed to examine the outcome of BLM take on the light and electron microscopic design of rat lung. Along with, assessment the probable protecting role of ginsenoside on BLM induced pulmonary changes. In this study, thirty adult male albino rats were comprised and were classified to four clusters; Negative & positive control group, BLM treated group and BLM& ginsenoside treated group. The lung was treated for histological and immunohistochemical (anti-p65) studies. Light microscopic examination of H&E stained sections of BLM treated group showed huge distortion of the lung building. Mallory trichrome stain of this group showed evident deposition of collagen fibers in the markedly thickened interalveolar septa and around intrapulmonary bronchi, bronchioles and blood vessels. Moreover, strong positive staining for nuclear factor (NF)-κB in the wall of bronchiole as well as the thickened interalveolar septa were observed. Ultrastructural inspection of lung of this group revealed muddled lung planning. Marked improvement of the lung structure and marked reduction in NF-κB immunoexpression was appeared in BLM and ginsenoside treated group. So, we concluded that co-administration of ginsenoside with BLM significantly enhanced the histological and morphometric image of the lung.
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KEYWORD
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Bleomycin, Ginsenosides, Pulmonary fibrosis, Nuclear factor-kappa B
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