Department of Medicine, National Jewish Health, Denver, CO 80206, USA.
Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA.
Life Sci. 2024 Sep 1;352:122874. doi: 10.1016/j.lfs.2024.122874. Epub 2024 Jun 26.
Chronic obstructive pulmonary disease (COPD) is the third leading cause of mortality globally and the risk of developing lung cancer is six times greater in individuals with COPD who smoke compared to those who do not smoke. Matrix metalloproteinases (MMPs) play a crucial role in the pathophysiology of respiratory diseases by promoting inflammation and tissue degradation. Furthermore, MMPs are involved in key processes like epithelial-to-mesenchymal transition (EMT), metastasis, and invasion in lung cancer. While EMT has traditionally been associated with the progression of lung cancer, recent research highlights its active involvement in individuals with COPD. Current evidence underscores its role in orchestrating airway remodeling, fostering airway fibrosis, and contributing to the potential for malignant transformation in the complex pathophysiology of COPD. The precise regulatory roles of diverse MMPs in steering EMT during COPD progression needs to be elucidated. Additionally, the less-understood aspect involves how these MMPs bi-directionally activate or regulate various EMT-associated signaling cascades during COPD progression. This review article explores recent advancements in understanding MMPs' role in EMT during COPD progression and various pharmacological approaches to target MMPs. It also delves into the limitations of current MMP inhibitors and explores novel, advanced strategies for inhibiting MMPs, potentially offering new avenues for treating respiratory diseases.
慢性阻塞性肺疾病(COPD)是全球第三大致死原因,与不吸烟的 COPD 患者相比,吸烟的 COPD 患者患肺癌的风险高 6 倍。基质金属蛋白酶(MMPs)通过促进炎症和组织降解,在呼吸疾病的病理生理学中发挥关键作用。此外,MMPs 还参与肺癌中关键过程,如上皮-间充质转化(EMT)、转移和侵袭。虽然 EMT 传统上与肺癌的进展有关,但最近的研究强调了其在 COPD 患者中的积极参与。目前的证据强调了其在协调气道重塑、促进气道纤维化以及在 COPD 复杂病理生理学中促进恶性转化方面的作用。需要阐明不同 MMPs 在 COPD 进展过程中指导 EMT 的精确调节作用。此外,一个不太为人知的方面涉及这些 MMPs 在 COPD 进展过程中如何双向激活或调节各种 EMT 相关信号级联。本文综述了 MMPs 在 COPD 进展过程中 EMT 作用的最新研究进展以及针对 MMPs 的各种药理学方法,并探讨了目前 MMP 抑制剂的局限性,以及抑制 MMPs 的新的、先进的策略,为治疗呼吸系统疾病提供了新的途径。
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