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KMID : 1377020230200030329
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Tissue Engineering and Regenerative Medicine
2023 Volume.20 No. 3 p.329 ~ p.339
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Remodeling and Restraining Lung Tissue Damage Through the Regulation of Respiratory Immune Responses
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Pyung Young-Jin
Park Da-Jeong
Kim Cheol-Gyun
Yun Cheol-Heui
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Abstract
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Tissue damage caused by various stimuli under certain conditions, such as biological and environmental cues, can actively induce systemic and/or local immune responses. Therefore, understanding the immunological perspective would be critical to not only regulating homeostasis of organs and tissues but also to restrict and remodel their damage. Lungs serve as one of the key immunological organs, and thus, in the present article, we focus on the innate and adaptive immune systems involved in remodeling and engineering lung tissue. Innate immune cells are known to react immediately to damage. Macrophages, one of the most widely studied types of innate immune cells, are known to be involved in tissue damage and remodeling, while type 2 innate lymphoid cells (ILC2s) have recently been revealed as an important cell type responsible for tissue remodeling. On the other hand, adaptive immune cells are also involved in damage control. In particular, resident memory T cells in the lung prevent prolonged disease that causes tissue damage. In this review, we first outlined the structure of the respiratory system with biological and environmental cues and the innate/adaptive immune responses in the lung. It is our hope that understanding an immunological perspective for tissue remodeling and damage control in the lung will be beneficial for stakeholders in this area.
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KEYWORD
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Adaptive immunity, Innate immunity, Innate lymphoid cell, Macrophages, Protective immune response, Respiratory system, T cell, Tissue damage, Tissue remodeling
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