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Wang H, Gao L, Zhao C, Fang F, Liu J, Wang Z, Zhong Y, Wang X. The role of PI3K/Akt signaling pathway in chronic kidney disease. Int Urol Nephrol 2024:10.1007/s11255-024-03989-8. [PMID: 38498274 DOI: 10.1007/s11255-024-03989-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 02/12/2024] [Indexed: 03/20/2024]
Abstract
Chronic kidney disease (CKD), including chronic glomerulonephritis, IgA nephropathy and diabetic nephropathy, are common chronic diseases characterized by structural damage and functional decline of the kidneys. The current treatment of CKD is symptom relief. Several studies have reported that the phosphatidylinositol 3 kinases (PI3K)/protein kinase B (Akt) signaling pathway is a pathway closely related to the pathological process of CKD. It can ameliorate kidney damage by inhibiting this signal pathway which is involved with inflammation, oxidative stress, cell apoptosis, epithelial mesenchymal transformation (EMT) and autophagy. This review highlights the role of activating or inhibiting the PI3K/Akt signaling pathway in CKD-induced inflammatory response, apoptosis, autophagy and EMT. We also summarize the latest evidence on treating CKD by targeting the PI3K/Akt pathway, discuss the shortcomings and deficiencies of PI3K/Akt research in the field of CKD, and identify potential challenges in developing these clinical therapeutic CKD strategies, and provide appropriate solutions.
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Affiliation(s)
- Hongshuang Wang
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, 050091, China
| | - Lanjun Gao
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, 050091, China
| | - Chenchen Zhao
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, 050091, China
| | - Fang Fang
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, 050091, China
| | - Jiazhi Liu
- Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, 050091, China
| | - Zheng Wang
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns Research, Shijiazhuang, 050091, China
- Institute of Integrative Medicine, College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, 050200, China
| | - Yan Zhong
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns Research, Shijiazhuang, 050091, China.
- Institute of Integrative Medicine, College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, 050200, China.
| | - Xiangting Wang
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns Research, Shijiazhuang, 050091, China.
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Cong P, Tong C, Liu Y, Shi L, Shi X, Zhao Y, Xiao K, Jin H, Liu Y, Hou M. CD28 Deficiency Ameliorates Thoracic Blast Exposure-Induced Oxidative Stress and Apoptosis in the Brain through the PI3K/Nrf2/Keap1 Signaling Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:8460290. [PMID: 31885821 PMCID: PMC6915017 DOI: 10.1155/2019/8460290] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 09/25/2019] [Accepted: 10/24/2019] [Indexed: 12/22/2022]
Abstract
Blast exposure is a worldwide public health concern, but most related research has been focused on direct injury. Thoracic blast exposure-induced neurotrauma is a type of indirect injuries where research is lacking. As CD28 stimulates T cell activation and survival and contributes to inflammation initiation, it may play a role in thoracic blast exposure-induced neurotrauma. However, it has not been investigated. To explore the effects of CD28 on thoracic blast exposure-induced brain injury and its potential molecular mechanisms, a mouse model of thoracic blast exposure-induced brain injury was established. Fifty C57BL/6 wild-type (WT) and fifty CD28 knockout (CD28-/-) mice were randomly divided into five groups (one control group and four model groups), with ten mice (from each of the two models) for each group. Lung and brain tissue and serum samples were collected at 12 h, 24 h, 48 h, and 1 week after thoracic blast exposure. Histopathological changes were detected by hematoxylin-eosin staining. The expressions of inflammatory-related factors were detected by ELISA. Oxidative stress in the brain tissue was evaluated by determining the generation of reactive oxygen species (ROS) and the expressions of thioredoxin (TRX), malondialdehyde (MDA), SOD-1, and SOD-2. Apoptosis in the brain tissue was evaluated by TUNEL staining and the levels of Bax, Bcl-xL, Bad, Cytochrome C, and caspase-3. In addition, proteins of related pathways were also studied by western blotting and immunofluorescence. We found that CD28 deficiency significantly reduced thoracic blast exposure-induced histopathological changes and decreased the levels of inflammatory-related factors, including IL-1β, TNF-α, and S100β. In the brain tissue, CD28 deficiency also significantly attenuated thoracic blast exposure-induced generation of ROS and expressions of MDA, TRX, SOD-1, and SOD-2; lowered the number of apoptotic cells and the expression of Bax, cleaved caspase-3, Cytochrome C, and Bad; and maintained Bcl-xL expression. Additionally, CD28 deficiency significantly ameliorated thoracic blast exposure-induced increases of p-PI3K and Keap1 and the decrease of Nrf2 expression in the brain. Our results indicate that CD28 deficiency has a protective effect on thoracic blast exposure-induced brain injury that might be associated with the PI3K/Nrf2/Keap1 signaling pathway.
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Affiliation(s)
- Peifang Cong
- 1College of Medicine and Biological Information Engineering, Northeastern University, No. 195, Chuangxin Road, Hunnan District, Shenyang l10016, China
- 2Emergency Medicine Department of General Hospital of Northern theater command, Laboratory of Rescue Center of Severe Wound and Trauma PLA, No. 83, Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Changci Tong
- 2Emergency Medicine Department of General Hospital of Northern theater command, Laboratory of Rescue Center of Severe Wound and Trauma PLA, No. 83, Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Ying Liu
- 2Emergency Medicine Department of General Hospital of Northern theater command, Laboratory of Rescue Center of Severe Wound and Trauma PLA, No. 83, Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Lin Shi
- 2Emergency Medicine Department of General Hospital of Northern theater command, Laboratory of Rescue Center of Severe Wound and Trauma PLA, No. 83, Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Xiuyun Shi
- 2Emergency Medicine Department of General Hospital of Northern theater command, Laboratory of Rescue Center of Severe Wound and Trauma PLA, No. 83, Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Yan Zhao
- 3Institute of Metal Research, Chinese Academy of Sciences, No. 72, Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Keshen Xiao
- 3Institute of Metal Research, Chinese Academy of Sciences, No. 72, Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Hongxu Jin
- 2Emergency Medicine Department of General Hospital of Northern theater command, Laboratory of Rescue Center of Severe Wound and Trauma PLA, No. 83, Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Yunen Liu
- 2Emergency Medicine Department of General Hospital of Northern theater command, Laboratory of Rescue Center of Severe Wound and Trauma PLA, No. 83, Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Mingxiao Hou
- 1College of Medicine and Biological Information Engineering, Northeastern University, No. 195, Chuangxin Road, Hunnan District, Shenyang l10016, China
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